Cancelでも更新するように

ダイアログのデザインを修正, ディレクトリピッカー実装, フォルダの移動に対応

.idea/deploymentTargetSelector.xml

@@ -4,10 +4,10 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2023-12-18T03:36:14.973846Z">
+        <DropdownSelection timestamp="2024-01-20T07:15:21.179573376Z">
           <Target type="DEFAULT_BOOT">
             <handle>
-              <DeviceId pluginId="PhysicalDevice" identifier="serial=ZY22H7V3G7" />
+              <DeviceId pluginId="LocalEmulator" identifier="path=/home/rca/.android/avd/Pixel_3a_API_34_extension_level_7_x86_64.avd" />
             </handle>
           </Target>
         </DropdownSelection>

.idea/gradle.xml

@@ -4,6 +4,7 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="jbr-17" />
         <option name="modules">
@@ -30,6 +31,7 @@
             <option value="$PROJECT_DIR$/source" />
             <option value="$PROJECT_DIR$/utils" />
             <option value="$PROJECT_DIR$/vcs" />
+            <option value="$PROJECT_DIR$/viewer2" />
           </set>
         </option>
         <option name="resolveExternalAnnotations" value="false" />

.idea/misc.xml

@@ -1,7 +1,6 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

README.md

@@ -1,8 +1,10 @@
 # Lacerta
-WIP
+学習に便利な機能とGit-like VCSを持ったドキュメントスキャナ (Work In Progress)
+(グループワーク)
+
 ## モジュール設計
+![Untitled Diagram(2)(1) drawio(1)](https://github.com/lacerta-doc/Lacerta/assets/66072112/f9b9c40f-bed0-4ade-95c1-50e28df68f35)
 
-![Untitled Diagram(2)](https://github.com/lacerta-doc/Lacerta/assets/66072112/9daabaca-5cdc-49f8-ac66-196c588a47c9)
 
 ## メモ
 - アイコン: Google Material Icons https://fonts.google.com/icons (Weight:300, Grade:0, Optical size: 24px)
@@ -11,45 +13,28 @@ WIP
 ### モジュール一覧
 - `component` : コンポーネント
   - `common` : 共通コンポーネント
-    - UIの中で共通で使う要素(メニューアイテムとか)
-  - `scanner` : スキャナー
-    - スキャナーの実装
+  - `scanner` : スキャナー 
   - `viewer` : ビューワー
-    - ドキュメントビューワーの実装
-- `data` : データ
-  - UIからデータを取得/保存するためのラッパーモジュール
-  - `Document` : ドキュメント関係
-    - WIP(JavaDocを参照してください, 余裕があったら追記します)
+- `data` : UIからデータを取得/保存するためのラッパーモジュール
 - `feature` : 機能モジュール(ナビゲーションからみた機能で分割)
   - `common`: 共通機能
-    - 設定画面とか、どこからでも呼ばれうる画面
   - `debug`: デバッグメニュー
   - `home`: ホーム画面
   - `library`: ライブラリ画面
-  - `scan`: スキャン画面
+  - `scan`: スキャン画面 (廃止予定)
   - `search`: 検索画面
-- `model` : モデル
-  - データモデルをまとめたモジュール (WIP)
-  - `document` : ドキュメント
-  - `meta` : メタデータ
-- `processor` : プロセッサ
-  - いくつかの処理をまとめたモジュール
-    - `DocumentProcessor` : ドキュメント処理（ドキュメントにページを追加したり更新したり） 
-- `shared` : 
-  - 共有リソース
-- `source` : ソース
-  - (バックエンドが使うのでとりあえず後回し、フロントから直接操作することは絶対にありません)
-- `utils` : ユーティリティ
-  - ちょっとしたユーティリティをまとめたモジュール
-  - `LacertaLogger` : ロガー
-  - `XmlMetaParser` : XMLメタデータパーサー(フロントから直接操作することは絶対にありません)
-
+- `model` : データモデルをまとめたモジュール
+- `processor` : プロセッサ（例: `DocumentProcessor` : ドキュメント処理（ドキュメントにページを追加したり更新したり）)
+- `shared`: 共有リソース
+  - `ui`: UI要素(Theme, Drawable, Colorなど)
+- `source` : ソース(DB/FileManagerなど)
+- `utils` : ユーティリティ(ちょっとしたユーティリティをまとめたモジュール)
 
 ## コーディング規則/推奨(WIP)
-### 規則
 - `// TODO`コメントには任意のsuffixを付ける
   - 全員が同じ`// TODO:`を使っていると検索がむずかしくなるため
   - (例: `// TODO-rca:`)
-### 推奨
-- マジックナンバーは控える(必要な場合もあるので)
-
+ 
+## Thanks for
+- [SDA-SE/document-scanner-android](https://github.com/SDA-SE/document-scanner-android)
+- 

app/build.gradle

@@ -78,4 +78,10 @@ dependencies {
 
     implementation project(':data')
     implementation project(':shared:ui')
+
+    implementation project(':model')
+
+    implementation project(':utils')
+
+    implementation project(':component:scanner')
 }

app/src/main/AndroidManifest.xml

@@ -17,7 +17,7 @@
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@mipmap/ic_launcher_temp_round"
         android:name=".LacertaApplication"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"

app/src/main/java/one/nem/lacerta/LacertaApplication.java

@@ -6,6 +6,7 @@ import android.util.Log;
 import com.google.android.material.color.DynamicColors;
 
 import dagger.hilt.android.HiltAndroidApp;
+import one.nem.lacerta.utils.FeatureSwitch;
 
 @HiltAndroidApp
 public class LacertaApplication extends Application {
@@ -15,7 +16,11 @@ public class LacertaApplication extends Application {
 
         if (DynamicColors.isDynamicColorAvailable()) {
             Log.d("DynamicColors", "DynamicColors is available. Applying to activities...");
-            DynamicColors.applyToActivitiesIfAvailable(this);
+            if (FeatureSwitch.Meta.disableDynamicColor) {
+                Log.d("DynamicColors", "DynamicColors is disabled by FeatureSwitch.");
+            } else {
+                DynamicColors.applyToActivitiesIfAvailable(this);
+            }
         } else {
             Log.d("DynamicColors", "DynamicColors is not available.");
         }

app/src/main/java/one/nem/lacerta/MainActivity.java

@@ -1,40 +1,64 @@
 package one.nem.lacerta;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
 import androidx.core.content.ContextCompat;
+import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
 import androidx.navigation.NavController;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.navigation.ui.NavigationUI;
 
+import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
 import android.widget.Toast;
 
+import one.nem.lacerta.component.scanner.ScannerManagerActivity;
+import one.nem.lacerta.model.FragmentNavigation;
+import one.nem.lacerta.model.pref.FeatureSwitchOverride;
+import one.nem.lacerta.utils.FeatureSwitch;
+
+import com.google.android.material.appbar.AppBarLayout;
 import com.google.android.material.bottomnavigation.BottomNavigationView;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
 
-
+import java.io.NotActiveException;
 
 import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.utils.repository.SharedPrefUtils;
+
 import javax.inject.Inject;
 
 @AndroidEntryPoint
-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends AppCompatActivity implements FragmentNavigation {
+
+    @Inject
+    SharedPrefUtils sharedPrefUtils;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
+        BottomNavigationView bottomNavigationView = findViewById(R.id.bottom_nav);
+
+        // Initialize app
+        if (sharedPrefUtils.getIsFirstLaunch()) initializeApp();
+
         // Init navigation
         try {
             FragmentManager supportFragmentManager = getSupportFragmentManager();
             NavHostFragment navHostFragment = (NavHostFragment) supportFragmentManager.findFragmentById(R.id.nav_host_fragment);
             assert navHostFragment != null;
             NavController navController = navHostFragment.getNavController();
-            BottomNavigationView bottomNavigationView = findViewById(R.id.bottom_nav);
             NavigationUI.setupWithNavController(bottomNavigationView, navController);
         }
         catch (Exception e) {
@@ -44,10 +68,117 @@ public class MainActivity extends AppCompatActivity {
             finish(); // Exit app
         }
 
+        // Apply feature switch
+        applyFeatureSwitch(bottomNavigationView, FeatureSwitchOverride.ENABLE_SEARCH, FeatureSwitch.FeatureMaster.enableSearch, one.nem.lacerta.feature.search.R.id.feature_search_navigation);
+        applyFeatureSwitch(bottomNavigationView, FeatureSwitchOverride.ENABLE_DEBUG_MENU, FeatureSwitch.FeatureMaster.enableDebugMenu, one.nem.lacerta.feature.debug.R.id.feature_debug_navigation);
+
+
         // Set navigation bar color
         getWindow().setNavigationBarColor(ContextCompat.getColor(this, one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
 
         // Set status bar color
         getWindow().setStatusBarColor(ContextCompat.getColor(this, one.nem.lacerta.shared.ui.R.color.colorSurface));
+
+        // Fab
+        findViewById(R.id.scanFab).setOnClickListener(v -> {
+            Toast.makeText(this, "Scan", Toast.LENGTH_SHORT).show();
+            Intent intent = new Intent(this.getApplicationContext(), ScannerManagerActivity.class);
+            startActivity(intent);
+        });
+
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == 1) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                Toast.makeText(this, "Permission granted", Toast.LENGTH_SHORT).show();
+            } else {
+                Toast.makeText(this, "Permission denied", Toast.LENGTH_SHORT).show();
+                Toast.makeText(this, "カメラの権限は必須です.", Toast.LENGTH_LONG).show();
+                finish(); // Exit app
+            }
+        }
+    }
+
+    private void initializeApp() {
+        Log.d("Init", "Initializing app");
+        // Set feature switch override to default value
+        sharedPrefUtils.setFeatureSwitchOverride(FeatureSwitchOverride.ENABLE_SEARCH, FeatureSwitch.FeatureMaster.enableSearch);
+        sharedPrefUtils.setFeatureSwitchOverride(FeatureSwitchOverride.ENABLE_DEBUG_MENU, FeatureSwitch.FeatureMaster.enableDebugMenu);
+
+        // Set isFirstLaunch to false
+        sharedPrefUtils.setIsFirstLaunch(false);
+    }
+
+    private void applyFeatureSwitch(BottomNavigationView bottomNavigationView, FeatureSwitchOverride featureSwitchOverride, boolean defaultValue, int menuId) {
+        boolean isEnabled = FeatureSwitch.Meta.canOverrideSwitch ? sharedPrefUtils.getFeatureSwitchOverride(featureSwitchOverride) : defaultValue;
+        if (!isEnabled) bottomNavigationView.getMenu().removeItem(menuId);
+    }
+
+    @Override
+    public void navigateToFragment(Fragment fragment) {
+        getSupportFragmentManager().beginTransaction()
+                .replace(R.id.nav_host_fragment, fragment)
+                .addToBackStack(null)
+                .commit();
+    }
+
+    @Override
+    public void navigateToFragment(Fragment fragment, boolean addToBackStack) {
+        if (addToBackStack) {
+            getSupportFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, fragment)
+                    .addToBackStack(null)
+                    .commit();
+        } else {
+            getSupportFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, fragment)
+                    .commit();
+        }
+    }
+
+    @Override
+    public void navigateToFragment(Fragment fragment, boolean addToBackStack, boolean clearBackStack) {
+        if (clearBackStack) {
+            getSupportFragmentManager().popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
+        }
+        if (addToBackStack) {
+            getSupportFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, fragment)
+                    .addToBackStack(null)
+                    .commit();
+        } else {
+            getSupportFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, fragment)
+                    .commit();
+        }
+    }
+
+    public void navigateToFragmentAlternate(Fragment fragment, boolean addToBackStack) {
+        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+
+        // get the current fragment
+        Fragment currentFragment = getSupportFragmentManager().getPrimaryNavigationFragment();
+
+        // hide the current fragment
+        if (currentFragment != null) {
+            transaction.hide(currentFragment);
+        }
+
+        // Add the new fragment
+        transaction.add(R.id.nav_host_fragment, fragment);
+
+        // Add the transaction to the back stack if needed
+        if (addToBackStack) {
+            transaction.addToBackStack(null);
+        }
+
+        // Commit the transaction
+        transaction.commit();
+
+        // Update the primary navigation fragment
+        getSupportFragmentManager().beginTransaction().setPrimaryNavigationFragment(fragment).commit();
     }
 }

app/src/main/res/drawable/ic_launcher_temp_foreground.xml

@@ -0,0 +1,15 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#5F4769">
+  <group android:scaleX="0.377"
+      android:scaleY="0.377"
+      android:translateX="7.476"
+      android:translateY="7.476">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M7,3H4v3H2V1h5V3zM22,6V1h-5v2h3v3H22zM7,21H4v-3H2v5h5V21zM20,18v3h-3v2h5v-5H20zM19,18c0,1.1 -0.9,2 -2,2H7c-1.1,0 -2,-0.9 -2,-2V6c0,-1.1 0.9,-2 2,-2h10c1.1,0 2,0.9 2,2V18zM15,8H9v2h6V8zM15,11H9v2h6V11zM15,14H9v2h6V14z"/>
+  </group>
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -18,7 +18,7 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:navGraph="@navigation/main_nav"
-        tools:layout="@layout/fragment_debug_menu_container" />
+        tools:layout="@layout/fragment_home_top" />
 
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/bottom_nav"
@@ -32,6 +32,19 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:menu="@menu/bottom_nav_menu"/>
+        app:menu="@menu/bottom_nav_menu" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/scanFab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="32dp"
+        android:clickable="true"
+        app:layout_constraintBottom_toTopOf="@+id/bottom_nav"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:srcCompat="@drawable/ic_baseline_add_24" />
+
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/bottom_nav_menu.xml

@@ -19,7 +19,7 @@
     <item
         android:id="@id/feature_debug_navigation"
         android:icon="@drawable/developer_mode_24px"
-        android:title="@string/debug_menu_title"/>
+        android:title="@string/debug_menu_title" />
 
     <item
         android:id="@id/feature_setting_navigation"

app/src/main/res/mipmap-anydpi-v26/ic_launcher_temp.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_temp_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_temp_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_temp_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_temp_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_temp_foreground"/>
+</adaptive-icon>

app/src/main/res/navigation/main_nav.xml

@@ -2,7 +2,7 @@
 <navigation xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/app_main_nav"
-    app:startDestination="@id/feature_debug_navigation">
+    app:startDestination="@id/feature_home_navigation">
 
     <include app:graph="@navigation/feature_debug_navigation" />
 

app/src/main/res/values/ic_launcher_temp_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_temp_background">#A386EB</color>
+</resources>

component/common/build.gradle

@@ -1,10 +1,11 @@
 plugins {
     alias(libs.plugins.com.android.library)
+    id 'com.google.dagger.hilt.android'
 }
 
 android {
     namespace 'one.nem.lacerta.component.common'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26
@@ -33,5 +34,12 @@ dependencies {
     androidTestImplementation libs.androidx.test.ext.junit
     androidTestImplementation libs.androidx.test.espresso.core
 
+    // Hilt (DI)
+    implementation libs.com.google.dagger.hilt.android
+    annotationProcessor libs.com.google.dagger.hilt.compiler
+
     implementation project(':shared:ui')
+    implementation project(':utils')
+    implementation project(':model')
+    implementation project(':data')
 }

component/common/src/main/java/one/nem/lacerta/component/common/LacertaCreateTagDialog.java

@@ -0,0 +1,87 @@
+package one.nem.lacerta.component.common;
+
+import android.app.Dialog;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.EditText;
+
+import androidx.fragment.app.DialogFragment;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+public class LacertaCreateTagDialog extends DialogFragment {
+
+    private String title;
+
+    private String message;
+
+    private String positiveButtonText;
+
+    private String negativeButtonText;
+
+    private LacertaCreateTagDialogListener listener;
+
+    // Setter
+
+    public LacertaCreateTagDialog setListener(LacertaCreateTagDialogListener listener) {
+        this.listener = listener;
+        return this;
+    }
+
+    public LacertaCreateTagDialog setTitle(String title) {
+        this.title = title;
+        return this;
+    }
+
+    public LacertaCreateTagDialog setMessage(String message) {
+        this.message = message;
+        return this;
+    }
+
+    public LacertaCreateTagDialog setPositiveButtonText(String positiveButtonText) {
+        this.positiveButtonText = positiveButtonText;
+        return this;
+    }
+
+    public LacertaCreateTagDialog setNegativeButtonText(String negativeButtonText) {
+        this.negativeButtonText = negativeButtonText;
+        return this;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity());
+        LayoutInflater inflater = requireActivity().getLayoutInflater();
+        View view = inflater.inflate(R.layout.lacerta_dialog_create_tag, null);
+
+        // TextEdit
+        EditText tag_name_edit_text = view.findViewById(R.id.tag_name_edit_text);
+        com.google.android.material.textfield.TextInputLayout tag_name_text_input_layout = view.findViewById(R.id.tag_name_text_input_layout);
+        tag_name_text_input_layout.setHint("タグの名前");
+        EditText tag_color_edit_text = view.findViewById(R.id.tag_color_edit_text);
+        com.google.android.material.textfield.TextInputLayout tag_color_text_input_layout = view.findViewById(R.id.tag_color_text_input_layout);
+        tag_color_text_input_layout.setHint("タグの色(カラーコード)");
+
+        builder.setTitle(this.title == null ? "Create new tag" : this.title);
+
+        // Button
+        builder.setPositiveButton(positiveButtonText == null ? "OK" : positiveButtonText, (dialog, which) -> {
+            String tag_name = tag_name_edit_text.getText().toString();
+            String tag_color = tag_color_edit_text.getText().toString();
+            if (listener != null) {
+                listener.onPositiveClick(tag_name, tag_color);
+            }
+        });
+        builder.setNegativeButton(negativeButtonText == null ? "Cancel" : negativeButtonText, (dialog, which) -> {
+            if (listener != null) {
+                listener.onNegativeClick();
+            }
+        });
+
+        builder.setView(view);
+        return builder.create();
+    }
+
+
+}

component/common/src/main/java/one/nem/lacerta/component/common/LacertaCreateTagDialogListener.java

@@ -0,0 +1,8 @@
+package one.nem.lacerta.component.common;
+
+public interface LacertaCreateTagDialogListener {
+
+    void onPositiveClick(String tag_name, String tag_color);
+
+    void onNegativeClick();
+}

component/common/src/main/java/one/nem/lacerta/component/common/LacertaSelectDirDialog.java

@@ -0,0 +1,163 @@
+package one.nem.lacerta.component.common;
+
+import android.app.Dialog;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.fragment.app.DialogFragment;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.model.ListItemType;
+import one.nem.lacerta.utils.LacertaLogger;
+
+@AndroidEntryPoint
+public class LacertaSelectDirDialog extends DialogFragment {
+
+    @Inject
+    LacertaLibrary lacertaLibrary;
+
+    @Inject
+    LacertaLogger logger;
+
+    private LacertaSelectDirDialogListener listener;
+
+    private String title;
+
+    private String message;
+
+    private String positiveButtonText;
+
+    private String negativeButtonText;
+
+    private SelectDirDialogItemAdapter adapter;
+
+    private RecyclerView recyclerView;
+
+    private TextView current_dir_text_view;
+
+    // Setter
+
+    public LacertaSelectDirDialog setListener(LacertaSelectDirDialogListener listener) {
+        this.listener = listener;
+        return this;
+    }
+
+    public LacertaSelectDirDialog setTitle(String title) {
+        this.title = title;
+        return this;
+    }
+
+    public LacertaSelectDirDialog setMessage(String message) {
+        this.message = message;
+        return this;
+    }
+
+    public LacertaSelectDirDialog setPositiveButtonText(String positiveButtonText) {
+        this.positiveButtonText = positiveButtonText;
+        return this;
+    }
+
+    public LacertaSelectDirDialog setNegativeButtonText(String negativeButtonText) {
+        this.negativeButtonText = negativeButtonText;
+        return this;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+
+        super.onCreateDialog(savedInstanceState);
+
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity());
+        LayoutInflater inflater = requireActivity().getLayoutInflater();
+        View view = inflater.inflate(R.layout.lacerta_dialog_select_dir, null);
+
+        // 高さを画面の60%にする
+        int height = (int) (getResources().getDisplayMetrics().heightPixels * 0.6);
+        view.setMinimumHeight(height);
+
+        this.recyclerView = view.findViewById(R.id.select_dir_recycler_view);
+        this.current_dir_text_view = view.findViewById(R.id.current_dir_text_view);
+
+        this.adapter = new SelectDirDialogItemAdapter(new LacertaSelectDirDialogInternalEventListener() {
+            @Override
+            public void onDirSelected(String name, String itemId) {
+                showRecyclerViewItem(itemId);
+            }
+
+            @Override
+            public void onBackSelected(String parentId) {
+                showRecyclerViewItem(parentId);
+            }
+        });
+
+        this.recyclerView.setAdapter(this.adapter);
+        builder.setView(view);
+
+        showRecyclerViewItem(null); // get root folder
+
+        builder.setTitle(this.title == null ? "Select a directory" : this.title);
+        builder.setMessage(this.message == null ? "Select a directory" : this.message);
+        builder.setPositiveButton(this.positiveButtonText == null ? "OK" : this.positiveButtonText, (dialog, which) -> {
+            if (listener != null) {
+                listener.onDirSelected(
+                        adapter.getCurrentPageTitle() == null ? null : adapter.getCurrentPageTitle(),
+                        adapter.getCurrentId() == null ? null : adapter.getCurrentId());
+            }
+        });
+        builder.setNegativeButton(this.negativeButtonText == null ? "Cancel" : this.negativeButtonText, (dialog, which) -> {
+            if (listener != null) {
+                listener.onCanceled();
+            }
+        });
+        return builder.create();
+    }
+
+    private void showRecyclerViewItem(String targetDirId) {
+        lacertaLibrary.getPublicPath(targetDirId, ListItemType.ITEM_TYPE_FOLDER).thenAccept(publicPath -> {
+            getActivity().runOnUiThread(() -> {
+                if (publicPath != null) {
+                    current_dir_text_view.setText("/" + publicPath.getStringPath()); // TODO-rca: PublicPathの実装を修正する
+                } else {
+                    current_dir_text_view.setText("/");
+                }
+            });
+        });
+        lacertaLibrary.getFolderList(targetDirId).thenAccept(libraryItemPage -> {
+            getActivity().runOnUiThread(() -> {
+                int currentCount = adapter.getItemCount();
+                String currentDirId = adapter.getCurrentId();
+                if (currentDirId == null) {
+                    // Rootが関わる推移 (Rootからの推移)
+                    adapter.setListItems(libraryItemPage);
+                    adapter.notifyItemRangeRemoved(0, currentCount);
+                    adapter.notifyItemRangeInserted(0, libraryItemPage.getListItems().size());
+                } else if (libraryItemPage.getPageId() == null) {
+                    // Rootが関わる推移 (Rootへの推移)
+                    adapter.setListItems(libraryItemPage);
+                    adapter.notifyItemRangeRemoved(0, currentCount);
+                    adapter.notifyItemRangeInserted(0, libraryItemPage.getListItems().size());
+                } else if (libraryItemPage.getPageId() != null) {
+                    // Rootが関わらない推移
+                    adapter.setListItems(libraryItemPage);
+                    adapter.notifyItemRangeRemoved(1, currentCount);
+                    adapter.notifyItemRangeInserted(1, libraryItemPage.getListItems().size());
+                } else {
+                    // その他の遷移(安全側に倒すため全アイテム更新)
+                    logger.warn("LacertaSelectDirDialog", "Unknown transition.");
+                    logger.warn("LacertaSelectDirDialog", "currentDirId: " + currentDirId + ", libraryItemPage.getPageId(): " + libraryItemPage.getPageId());
+                    adapter.setListItems(libraryItemPage);
+                    adapter.notifyItemRangeRemoved(0, currentCount);
+                    adapter.notifyItemRangeInserted(0, libraryItemPage.getListItems().size());
+                }
+            });
+        });
+    }
+}

component/common/src/main/java/one/nem/lacerta/component/common/LacertaSelectDirDialogInternalEventListener.java

@@ -0,0 +1,6 @@
+package one.nem.lacerta.component.common;
+
+public interface LacertaSelectDirDialogInternalEventListener {
+    void onDirSelected(String name, String itemId);
+    void onBackSelected(String parentId);
+}

component/common/src/main/java/one/nem/lacerta/component/common/LacertaSelectDirDialogListener.java

@@ -0,0 +1,7 @@
+package one.nem.lacerta.component.common;
+
+public interface LacertaSelectDirDialogListener {
+
+    void onDirSelected(String name, String itemId);
+    void onCanceled();
+}

component/common/src/main/java/one/nem/lacerta/component/common/SelectDirDialogItemAdapter.java

@@ -0,0 +1,100 @@
+package one.nem.lacerta.component.common;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.ListItem;
+import one.nem.lacerta.model.ListItemType;
+
+public class SelectDirDialogItemAdapter extends RecyclerView.Adapter<SelectDirDialogItemAdapter.SelectDirDialogItemViewHolder> {
+
+
+    private LibraryItemPage libraryItemPage;
+    LacertaSelectDirDialogInternalEventListener listener;
+
+    public SelectDirDialogItemAdapter(LacertaSelectDirDialogInternalEventListener listener) {
+        this.listener = listener;
+    }
+
+    public void setListItems(LibraryItemPage libraryItemPage) {
+        this.libraryItemPage = libraryItemPage;
+        if (this.libraryItemPage.getPageId() != null) { // ルートディレクトリの場合は戻るボタンを表示しない
+            this.libraryItemPage.getListItems().add(0, new ListItem("戻る", " ", ListItemType.ITEM_TYPE_ACTION_BACK, null));
+        }
+    }
+
+    @NonNull
+    @Override
+    public SelectDirDialogItemViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(one.nem.lacerta.shared.ui.R.layout.common_list_item, parent, false);
+        return new SelectDirDialogItemViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(SelectDirDialogItemViewHolder holder, int position) {
+        ListItem listItem = libraryItemPage.getListItems().get(position);
+        holder.title.setText(listItem.getTitle());
+        holder.description.setText(listItem.getDescription());
+        holder.icon.setImageResource(listItem.getItemType().getIconId());
+        if(listItem.getItemType() == ListItemType.ITEM_TYPE_ACTION_BACK) {
+            holder.itemView.setOnClickListener(v -> listener.onBackSelected(this.libraryItemPage.getParentId()));
+        } else {
+            holder.itemView.setOnClickListener(v -> listener.onDirSelected(listItem.getTitle(), listItem.getItemId()));
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return this.libraryItemPage == null ? 0 : this.libraryItemPage.getListItems().size();
+    }
+
+    public String getCurrentId() {
+        if (this.libraryItemPage == null) {
+            return null;
+        } else {
+            if (this.libraryItemPage.getPageId() == null) {
+                return null;
+            } else {
+                return this.libraryItemPage.getPageId();
+            }
+        }
+    }
+
+    public String getCurrentPageTitle() {
+        if (this.libraryItemPage == null) {
+            return null;
+        } else {
+            if (this.libraryItemPage.getPageId() == null) {
+                return null;
+            } else {
+                return this.libraryItemPage.getPageTitle();
+            }
+        }
+    }
+
+    public static class SelectDirDialogItemViewHolder extends RecyclerView.ViewHolder {
+
+        TextView title;
+        TextView description;
+
+        ImageView icon;
+
+
+        public SelectDirDialogItemViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            title = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.item_title);
+            description = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.item_description);
+            icon = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.item_icon);
+            description.setVisibility(View.GONE); // 暫定
+
+        }
+    }
+}

component/common/src/main/res/layout/lacerta_dialog_create_tag.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/tag_name_text_input_layout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="8dp"
+        android:paddingHorizontal="16dp"
+        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/tag_name_edit_text"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/tag_color_text_input_layout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="8dp"
+        android:paddingHorizontal="16dp"
+        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+        <!-- todo: add color picker -->
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/tag_color_edit_text"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+</LinearLayout>

component/common/src/main/res/layout/lacerta_dialog_select_dir.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.google.android.material.textview.MaterialTextView
+        android:id="@+id/current_dir_text_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="32dp" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/select_dir_recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
+
+</LinearLayout>

component/scanner/build.gradle

@@ -5,7 +5,7 @@ plugins {
 
 android {
     namespace 'one.nem.lacerta.component.scanner'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26

component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerManagerActivity.java

@@ -1,18 +1,20 @@
 package one.nem.lacerta.component.scanner;
 
+import android.Manifest;
+import android.app.ProgressDialog;
+import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
-import android.graphics.drawable.BitmapDrawable;
 import android.os.Bundle;
-import android.util.Log;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.Toast;
 
 import androidx.activity.EdgeToEdge;
-import androidx.annotation.AnimatorRes;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
@@ -22,15 +24,16 @@ import com.websitebeaver.documentscanner.DocumentScanner;
 
 import java.util.ArrayList;
 import java.util.Objects;
+import java.util.concurrent.CompletableFuture;
 
 import javax.inject.Inject;
 
 import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.data.Document;
 import one.nem.lacerta.model.document.DocumentDetail;
 import one.nem.lacerta.model.document.DocumentMeta;
 import one.nem.lacerta.processor.factory.DocumentProcessorFactory;
 import one.nem.lacerta.utils.LacertaLogger;
-import one.nem.lacerta.data.Document;
 import one.nem.lacerta.vcs.factory.LacertaVcsFactory;
 
 @AndroidEntryPoint
@@ -93,6 +96,14 @@ public class ScannerManagerActivity extends AppCompatActivity {
             return insets;
         });
 
+
+
+        if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
+                != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, 1); // TODO-rca: リクエストコードを定数にする
+        }
+
+
         MaterialToolbar toolbar = findViewById(R.id.top_toolbar);
         setSupportActionBar(toolbar);
         Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
@@ -117,11 +128,12 @@ public class ScannerManagerActivity extends AppCompatActivity {
             Toast.makeText(this, "保存処理", Toast.LENGTH_SHORT).show();
             saveNewDocument();
             return true;
-        } else if (item.getItemId() == R.id.action_insert_exist) {
-            // 既存ドキュメントに挿入
-            Toast.makeText(this, "挿入処理", Toast.LENGTH_SHORT).show();
-            insertToExistDocument();
-            return true;
+//        }
+//        else if (item.getItemId() == R.id.action_insert_exist) {
+//            // 既存ドキュメントに挿入
+//            Toast.makeText(this, "Work in progress", Toast.LENGTH_SHORT).show();
+//            insertToExistDocument();
+//            return true;
         } else if (item.getItemId() == android.R.id.home) {
             finish();
             return true;
@@ -137,7 +149,6 @@ public class ScannerManagerActivity extends AppCompatActivity {
             if (this.croppedImages.isEmpty()) {
                 logger.debug(TAG, "this.resultImages is empty");
                 logger.e_code("7cb0584e-74ef-48ec-848a-c4d14e75e15a");
-                // TODO-rca: なんかする
             } else {
                 logger.debug(TAG, "this.resultImages is not empty");
                 updateResultView(this.croppedImages);
@@ -152,21 +163,35 @@ public class ScannerManagerActivity extends AppCompatActivity {
 
     private void saveNewDocument() {
         logger.debug(TAG, "saveNewDocument");
+        // Deprecatedだが、中断機能が存在しないので操作をブロックする目的で(意図的に)使用
+        ProgressDialog dialog = new ProgressDialog(this);
+        dialog.setMessage("保存中..."); // TODO-rca: テキストをリソースに移動
+        dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
+        dialog.setCancelable(false);
+        dialog.show();
         DocumentMeta documentMeta = new DocumentMeta("Untitled"); // TODO-rca: デフォルトタイトルを指定できるようにする
-        DocumentDetail documentDetail = document.createDocument(documentMeta);
-        Bitmap[] bitmaps = new Bitmap[this.croppedImages.size()];
-        this.croppedImages.toArray(bitmaps);
-        try {
-            documentProcessorFactory.create(documentDetail).addNewPagesToLast(bitmaps);
-            Toast.makeText(this, "Saved.", Toast.LENGTH_SHORT).show();
-            lacertaVcsFactory.create(documentDetail.getMeta().getId()).generateRevisionAtCurrent("Initial commit");
-            lacertaVcsFactory.create(documentDetail.getMeta().getId()).printLog(); // Debug
-            lacertaVcsFactory.create(documentDetail.getMeta().getId()).printRev(); // Debug
+        document.createDocument(documentMeta).thenAccept((documentDetail) -> {
+            Bitmap[] bitmaps = new Bitmap[croppedImages.size()];
+            croppedImages.toArray(bitmaps);
+            logger.debug(TAG, "bitmaps.length: " + bitmaps.length);
+            addPagesToDocumentDetail(documentDetail, bitmaps).join();
+            document.updateDocument(documentDetail).join();
+            dialog.dismiss();
             finish();
-        } catch (Exception e) {
-            logger.error(TAG, "Error: " + e.getMessage());
-            logger.e_code("9dff2a28-20e8-4ccd-9d04-f0c7646faa6a");
-        }
+        });
+
+    }
+
+    private CompletableFuture<Void> addPagesToDocumentDetail(DocumentDetail documentDetail, Bitmap[] bitmaps) {
+        return CompletableFuture.runAsync(() -> {
+            try {
+                document.updateDocument(documentProcessorFactory.create(documentDetail).addNewPagesToLast(bitmaps).getDocumentDetail()).join();
+                lacertaVcsFactory.create(documentDetail.getMeta().getId()).generateRevisionAtCurrent("Initial commit");
+            } catch (Exception e) {
+                logger.error(TAG, "Error: " + e.getMessage());
+                logger.e_code("9dff2a28-20e8-4ccd-9d04-f0c7646faa6a");
+            }
+        });
     }
 
     private void insertToExistDocument() {

component/scanner/src/main/res/menu/scanner_result_toolbar.xml

@@ -6,9 +6,9 @@
         android:icon="@drawable/save_24px"
         android:title="Save"
         app:showAsAction="ifRoom"/>
-    <item
-        android:id="@+id/action_insert_exist"
-        android:icon="@drawable/ic_baseline_add_24"
-        android:title="Save"
-        app:showAsAction="ifRoom"/>
+<!--    <item-->
+<!--        android:id="@+id/action_insert_exist"-->
+<!--        android:icon="@drawable/description_24px"-->
+<!--        android:title="Insert"-->
+<!--        app:showAsAction="ifRoom"/>-->
 </menu>

component/viewer/build.gradle

@@ -1,10 +1,11 @@
 plugins {
     alias(libs.plugins.com.android.library)
+    id 'com.google.dagger.hilt.android'
 }
 
 android {
     namespace 'one.nem.lacerta.component.viewer'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26
@@ -29,7 +30,32 @@ dependencies {
 
     implementation libs.androidx.appcompat
     implementation libs.com.google.android.material
+    implementation libs.androidx.activity
+    implementation libs.androidx.constraintlayout
     testImplementation libs.junit
     androidTestImplementation libs.androidx.test.ext.junit
     androidTestImplementation libs.androidx.test.espresso.core
+
+    // Navigation
+    implementation libs.navigation.fragment
+    implementation libs.navigation.ui
+    implementation libs.navigation.dynamic.features.fragment
+
+    // DI
+    implementation libs.com.google.dagger.hilt.android
+    annotationProcessor libs.com.google.dagger.hilt.compiler
+
+    // shared
+    implementation project(':shared:ui')
+
+    implementation project(':utils')
+
+    implementation project(':data')
+
+    implementation project(':model')
+
+    implementation project(':vcs')
+
+    implementation project(':component:common')
+
 }

component/viewer/src/main/AndroidManifest.xml

@@ -1,4 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <application>
+        <activity
+            android:name=".ViewerMainActivity"
+            android:exported="false" />
+    </application>
+
 </manifest>

component/viewer/src/main/java/one/nem/lacerta/component/viewer/BookMark/BookMarkFragment.java

@@ -0,0 +1,73 @@
+package one.nem.lacerta.component.viewer.BookMark;
+
+import android.os.Bundle;
+import android.view.GestureDetector;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import androidx.fragment.app.Fragment;
+
+import java.util.UUID;
+
+import javax.inject.Inject;
+
+import one.nem.lacerta.component.viewer.R;
+
+// BookMarkFragment.java
+public class BookMarkFragment extends Fragment {
+
+    @Inject
+    BookmarkRepository bookmarkRepository;
+
+    private GestureDetector gestureDetector;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_bookmark, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        gestureDetector = new GestureDetector(getContext(), new GestureDetector.SimpleOnGestureListener() {
+            @Override
+            public boolean onDoubleTap(MotionEvent e) {
+                // ダブルタップが検出された時の処理
+                handleDoubleTap();
+                return true;
+            }
+        });
+
+        // ブックマークボタンがダブルタップされた時の処理
+        view.setOnTouchListener(new View.OnTouchListener() {
+            @Override
+            public boolean onTouch(View v, MotionEvent event) {
+                return gestureDetector.onTouchEvent(event);
+            }
+        });
+    }
+
+    private void handleDoubleTap() {
+        // ダブルタップが検出された時の処理
+        // ブックマークを作成
+        String pageId = "current_page_id";
+        String title = "current_page_title";
+
+        Bookmark bookmark = new Bookmark(
+                UUID.randomUUID().toString(),
+                title,
+                pageId,
+                System.currentTimeMillis()
+        );
+
+        // ブックマークを保存
+        bookmarkRepository.addBookmark(bookmark);
+
+        // ユーザーに成功メッセージを表示
+        Toast.makeText(getContext(), "ダブルタップでブックマークが追加されました", Toast.LENGTH_SHORT).show();
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/BookMark/BookMarkListFragment.java

@@ -0,0 +1,48 @@
+package one.nem.lacerta.component.viewer.BookMark;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+import javax.inject.Inject;
+
+import one.nem.lacerta.component.viewer.R;
+
+// BookMarkListFragment.java
+public class BookMarkListFragment extends Fragment {
+    @Inject
+    BookmarkRepository bookmarkRepository;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_bookmark_list, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        // ブックマーク一覧を取得
+        List<Bookmark> bookmarks = bookmarkRepository.getAllBookmarks();
+
+        // ブックマーク一覧を表示するRecyclerViewのセットアップ
+        RecyclerView recyclerView = view.findViewById(R.id.recycler_view);
+        BookmarkAdapter adapter = new BookmarkAdapter(bookmarks, new OnBookmarkClickListener() {
+            @Override
+            public void onBookmarkClick(Bookmark selectedBookmark) {
+                // ブックマークが選択された時の処理
+                // 例: ブックマークに関連するページを表示する
+            }
+        });
+
+        recyclerView.setLayoutManager(new LinearLayoutManager(requireContext()));
+        recyclerView.setAdapter(adapter);
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/BookMark/Bookmark.java

@@ -0,0 +1,56 @@
+package one.nem.lacerta.component.viewer.BookMark;
+
+// Bookmark.java
+public class Bookmark {
+    private String id; // ブックマークの一意の識別子
+    private String title;
+    private String pageId; // ブックマークが参照するページの識別子
+    private long timestamp; // ブックマークが作成された時刻
+
+    public Bookmark(String id, String title, String pageId, long timestamp) {
+        this.id = id;
+        this.title = title;
+        this.pageId = pageId;
+        this.timestamp = timestamp;
+    }
+
+    public Bookmark() {
+        // Empty constructor
+    }
+
+    // Getter
+
+    public String getId() {
+        return id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getPageId() {
+        return pageId;
+    }
+
+    public long getTimestamp() {
+        return timestamp;
+    }
+
+    // Setter
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public void setPageId(String pageId) {
+        this.pageId = pageId;
+    }
+
+    public void setTimestamp(long timestamp) {
+        this.timestamp = timestamp;
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/BookMark/BookmarkAdapter.java

@@ -0,0 +1,61 @@
+package one.nem.lacerta.component.viewer.BookMark;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+import one.nem.lacerta.component.viewer.R;
+
+
+public class BookmarkAdapter extends RecyclerView.Adapter<BookmarkAdapter.BookmarkViewHolder> {
+
+    private List<Bookmark> bookmarks;
+    private OnBookmarkClickListener listener;
+
+    public BookmarkAdapter(List<Bookmark> bookmarks, OnBookmarkClickListener listener) {
+        this.bookmarks = bookmarks;
+        this.listener = listener;
+    }
+
+    @NonNull
+    @Override
+    public BookmarkViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.fragment_bookmark, parent, false);
+        return new BookmarkViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull BookmarkViewHolder holder, int position) {
+        final Bookmark bookmark = bookmarks.get(position);
+
+        holder.titleTextView.setText(bookmark.getTitle());
+
+        holder.itemView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                // ブックマークがクリックされたときの処理
+                listener.onBookmarkClick(bookmark);
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return bookmarks.size();
+    }
+
+    static class BookmarkViewHolder extends RecyclerView.ViewHolder {
+        TextView titleTextView;
+
+        public BookmarkViewHolder(@NonNull View itemView) {
+            super(itemView);
+            titleTextView = itemView.findViewById(R.id.titleTextView);
+        }
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/BookMark/BookmarkRepository.java

@@ -0,0 +1,21 @@
+package one.nem.lacerta.component.viewer.BookMark;
+
+// BookmarkRepository.java
+import java.util.ArrayList;
+import java.util.List;
+
+public class BookmarkRepository {
+    private List<Bookmark> bookmarks = new ArrayList<>();
+
+    public List<Bookmark> getAllBookmarks() {
+        return bookmarks;
+    }
+
+    public void addBookmark(Bookmark bookmark) {
+        bookmarks.add(bookmark);
+    }
+
+    public void removeBookmark(Bookmark bookmark) {
+        bookmarks.remove(bookmark);
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/BookMark/OnBookmarkClickListener.java

@@ -0,0 +1,10 @@
+package one.nem.lacerta.component.viewer.BookMark;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+// OnBookmarkClickListener.java
+public interface OnBookmarkClickListener {
+    void onBookmarkClick(Bookmark selectedBookmark);
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/ItemClickListener.java

@@ -0,0 +1,5 @@
+package one.nem.lacerta.component.viewer;
+
+public interface ItemClickListener {
+    void onItemClick(String fileName); // DEBUG
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/RevAdapter.java

@@ -0,0 +1,93 @@
+package one.nem.lacerta.component.viewer;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.text.SimpleDateFormat;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+
+import one.nem.lacerta.component.viewer.model.RevSelectListener;
+import one.nem.lacerta.model.VcsRevModel;
+import one.nem.lacerta.utils.FeatureSwitch;
+
+public class RevAdapter extends RecyclerView.Adapter<RevAdapter.RevViewHolder>{
+
+    private ArrayList<VcsRevModel> revModels;
+
+    private RevSelectListener revSelectListener;
+
+    public RevAdapter(ArrayList<VcsRevModel> revModels) {
+        this.revModels = revModels;
+    }
+
+    public RevAdapter(RevSelectListener revSelectListener) {
+        this.revSelectListener = revSelectListener;
+    }
+
+    public void setRevModels(ArrayList<VcsRevModel> revModels) {
+        this.revModels = revModels;
+    }
+
+
+    @NonNull
+    @Override
+    public RevAdapter.RevViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.viewer_rev_list_item, parent, false);
+        return new RevAdapter.RevViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RevAdapter.RevViewHolder holder, int position) {
+        VcsRevModel revModel = revModels.get(position);
+        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
+        holder.title.setText(revModel.getCommitMessage());
+        if (FeatureSwitch.Vcs.disableBranchDisplay) {
+//            holder.detail.setText(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(revModel.getCreatedAt().toInstant()));
+            holder.detail.setText(simpleDateFormat.format(revModel.getCreatedAt()));
+        } else {
+            //        holder.detail.setText(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(revModel.getCreatedAt().toInstant()) + " " + revModel.getBranchName());
+            holder.detail.setText(simpleDateFormat.format(revModel.getCreatedAt())+ " " + revModel.getBranchName());
+        }
+        holder.revId.setText("RevID: " + revModel.getId());
+
+        holder.itemView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                revSelectListener.onRevSelect(revModel.getId());
+            }
+        });
+
+    }
+
+    @Override
+    public int getItemCount() {
+        if (revModels == null) {
+            return 0;
+        } else {
+            return revModels.size();
+        }
+    }
+
+    class RevViewHolder extends RecyclerView.ViewHolder {
+
+        TextView title;
+
+        TextView detail;
+
+        TextView revId;
+
+        public RevViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            title = itemView.findViewById(R.id.rev_item_title);
+            detail = itemView.findViewById(R.id.rev_item_detail);
+            revId = itemView.findViewById(R.id.rev_item_id);
+        }
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerBodyAdapter.java

@@ -0,0 +1,66 @@
+package one.nem.lacerta.component.viewer;
+
+import android.graphics.Bitmap;
+import android.media.Image;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+
+import one.nem.lacerta.model.document.page.Page;
+
+public class ViewerBodyAdapter extends RecyclerView.Adapter<ViewerBodyAdapter.ViewHolder>{
+
+    ArrayList<Page> pages;
+
+    ItemClickListener listener;
+
+    public ViewerBodyAdapter(ArrayList<Page> pages, ItemClickListener listener){
+        this.pages = pages;
+        this.listener = listener;
+    }
+
+    public ViewerBodyAdapter(ItemClickListener listener){
+        this.pages = new ArrayList<>();
+        this.listener = listener;
+    }
+
+    public void setPages(ArrayList<Page> pages){
+        this.pages = pages;
+    }
+
+    @NonNull
+    @Override
+    public ViewerBodyAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = View.inflate(parent.getContext(), R.layout.viewer_body_list_item, null);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewerBodyAdapter.ViewHolder holder, int position) {
+        Bitmap bitmap = pages.get(position).getBitmap();
+        holder.image.setImageBitmap(bitmap);
+        holder.itemView.setOnClickListener(v -> {
+
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return pages.size();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder{
+
+        ImageView image;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            image = itemView.findViewById(R.id.imageView);
+        }
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerListFragment.java

@@ -0,0 +1,239 @@
+package one.nem.lacerta.component.viewer;
+
+import android.os.Bundle;
+
+import androidx.appcompat.widget.Toolbar;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+import java.util.ArrayList;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.component.common.LacertaSelectDirDialog;
+import one.nem.lacerta.component.common.LacertaSelectDirDialogListener;
+import one.nem.lacerta.data.Document;
+import one.nem.lacerta.model.document.page.Page;
+import one.nem.lacerta.utils.FeatureSwitch;
+import one.nem.lacerta.utils.LacertaLogger;
+import one.nem.lacerta.vcs.LacertaVcs;
+import one.nem.lacerta.vcs.factory.LacertaVcsFactory;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link ViewerListFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class ViewerListFragment extends Fragment {
+
+    @Inject
+    Document document;
+
+    @Inject
+    LacertaLogger logger;
+
+    @Inject
+    LacertaVcsFactory lacertaVcsFactory;
+
+    private static final String TAG = "ComponentViewerTopFragment";
+
+    private String documentId;
+    private String documentName;
+    private String revisionId;
+
+    public ViewerListFragment() {
+        // Required empty public constructor
+    }
+
+    public static ViewerListFragment newInstance(String documentId, String documentName) {
+        ViewerListFragment fragment = new ViewerListFragment();
+        Bundle args = new Bundle();
+        args.putString("documentId", documentId);
+        args.putString("documentName", documentName);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    public static ViewerListFragment newInstance(String documentId, String documentName, String revisionId) {
+        ViewerListFragment fragment = new ViewerListFragment();
+        Bundle args = new Bundle();
+        args.putString("documentId", documentId);
+        args.putString("documentName", documentName);
+        args.putString("revisionId", revisionId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            documentId = getArguments().getString("documentId");
+            documentName = getArguments().getString("documentName");
+            revisionId = getArguments().getString("revisionId");
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_component_viewer_top, container, false);
+
+        // Toolbar
+        Toolbar toolbar = view.findViewById(R.id.toolbar);
+        toolbarSetup(toolbar, true, this.documentName == null ? "Document" : this.documentName);
+
+        RecyclerView recyclerView = view.findViewById(R.id.body_recycler_view);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+        ViewerBodyAdapter viewerBodyAdapter = new ViewerBodyAdapter(fileName -> {
+            Toast.makeText(getContext(), fileName, Toast.LENGTH_SHORT).show();
+        });
+        recyclerView.setAdapter(viewerBodyAdapter);
+
+        if (revisionId == null) {
+            logger.debug(TAG, "revisionId is empty, loading latest revision");
+            if (FeatureSwitch.Viewer.showProgressBarWhenLoading) view.findViewById(R.id.loading_progress_bar).setVisibility(View.VISIBLE);
+            document.getDocument(documentId).thenAccept(documentDetail -> {
+                ArrayList<Page> pages = documentDetail.getPages();
+                logger.debug(TAG, "pages.size(): " + pages.size());
+                viewerBodyAdapter.setPages(pages);
+                getActivity().runOnUiThread(() -> {
+                    viewerBodyAdapter.notifyItemRangeChanged(0, pages.size());
+                    if (FeatureSwitch.Viewer.showProgressBarWhenLoading) view.findViewById(R.id.loading_progress_bar).setVisibility(View.GONE);
+                });
+            });
+        } else {
+            logger.debug(TAG, "revisionId: " + revisionId);
+            if (FeatureSwitch.Viewer.showProgressBarWhenLoading) view.findViewById(R.id.loading_progress_bar).setVisibility(View.VISIBLE);
+            LacertaVcs lacertaVcs = lacertaVcsFactory.create(documentId);
+            lacertaVcs.getDocumentPagePathListRev(revisionId).thenAccept(documentPathList -> {
+                logger.debug(TAG, "documentPathList.size(): " + documentPathList.size());
+                document.getDocumentPageListByFileNameList(documentId, documentPathList).thenAccept(pages -> {
+                    logger.debug(TAG, "pages.size(): " + pages.size());
+                    viewerBodyAdapter.setPages(pages);
+                    getActivity().runOnUiThread(() -> {
+                        viewerBodyAdapter.notifyItemRangeChanged(0, pages.size());
+                        if (FeatureSwitch.Viewer.showProgressBarWhenLoading) view.findViewById(R.id.loading_progress_bar).setVisibility(View.GONE);
+                    });
+                });
+            });
+        }
+
+        return view;
+    }
+
+    /**
+     * ToolbarをInitする
+     *
+     * @param toolbar Toolbar
+     * @param showBackButton 戻るボタンを表示するか
+     * @param title タイトル
+     */
+    private void toolbarSetup(Toolbar toolbar, boolean showBackButton, String title) {
+        getActivity().runOnUiThread(() -> {
+            if (showBackButton) {
+                toolbar.setNavigationIcon(one.nem.lacerta.shared.ui.R.drawable.arrow_back_24px);
+                toolbar.setNavigationOnClickListener(v -> {
+                    // Stop Activity
+                    getActivity().finish();
+                });
+            } else {
+                toolbar.setNavigationIcon(null);
+            }
+            toolbar.setTitle(title);
+            toolbar.inflateMenu(R.menu.viewer_menu);
+            toolbar.setOnMenuItemClickListener(item -> {
+                if (item.getItemId() == R.id.action_open_vcs_rev_list) {
+                    // Open vcs rev list
+                    getParentFragmentManager().beginTransaction()
+                            .replace(R.id.nav_host_fragment, ViewerVcsRevListFragment.newInstance(documentId, documentName))
+                            .commit();
+                    return true;
+                } else if (item.getItemId() == R.id.action_rename) {
+
+                    MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireContext());
+                    builder.setTitle("ファイル名の変更");
+
+                    View view = LayoutInflater.from(requireContext()).inflate(one.nem.lacerta.shared.ui.R.layout.lacerta_dialog_edit_text_layout, null);
+                    final com.google.android.material.textfield.TextInputEditText input = view.findViewById(one.nem.lacerta.shared.ui.R.id.custom_edit_text);
+                    final com.google.android.material.textfield.TextInputLayout inputLayout = view.findViewById(one.nem.lacerta.shared.ui.R.id.custom_text_input_layout);
+                    inputLayout.setHint("ファイル名");
+
+                    builder.setView(view);
+
+                    builder.setPositiveButton("変更", (dialog, which) -> {
+                        document.renameDocument(documentId, input.getText().toString()).thenAccept(aVoid -> {
+                            getActivity().runOnUiThread(() -> {
+                                toolbar.setTitle(input.getText().toString());
+                                documentName = input.getText().toString();
+                            });
+                        });
+                    });
+                    builder.setNegativeButton("キャンセル", (dialog, which) -> {
+                        dialog.cancel();
+                    });
+
+                    builder.show();
+                    return true;
+                } else if (item.getItemId() == R.id.action_delete) {
+                    // TODO-rca: デザインをMaterial Design 3に合わせたカスタムダイアログにする
+                    MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireContext());
+                    builder.setTitle("ファイルの削除");
+                    builder.setMessage("ファイルを削除しますか？");
+                    builder.setPositiveButton("削除", (dialog, which) -> {
+                        document.deleteDocument(documentId).thenAccept(aVoid -> {
+                            getActivity().runOnUiThread(() -> {
+                                // Stop Activity
+                                getActivity().finish();
+                            });
+                        });
+                    });
+                    builder.setNegativeButton("キャンセル", (dialog, which) -> {
+                        dialog.cancel();
+                    });
+                    builder.show();
+                    return true;
+                } else if (item.getItemId() == R.id.action_move) {
+//                    Toast.makeText(getContext(), "Work in progress", Toast.LENGTH_SHORT).show();
+                    LacertaSelectDirDialog lacertaSelectDirDialog = new LacertaSelectDirDialog();
+                    lacertaSelectDirDialog.setListener(new LacertaSelectDirDialogListener() {
+                        @Override
+                        public void onDirSelected(String name, String itemId) {
+                            logger.debug(TAG, "Selected dir: " + name + ", " + itemId);
+                            document.moveDocument(documentId, itemId).thenAccept(aVoid -> {
+                                getActivity().runOnUiThread(() -> {
+                                    // Stop Activity
+                                    getActivity().finish(); // TODO-rca: ファイル移動後に終了するべきかは検討
+                                });
+                            });
+                        }
+
+                        @Override
+                        public void onCanceled() {
+                            logger.debug(TAG, "Canceled");
+                        }
+                    });
+                    lacertaSelectDirDialog.setTitle("ファイルの移動")
+                                    .setMessage("ファイルを移動するフォルダを選択してください。")
+                                    .setPositiveButtonText("移動")
+                                    .setNegativeButtonText("キャンセル");
+                    lacertaSelectDirDialog.show(getParentFragmentManager(), "select_dir_dialog");
+                    return true;
+                } else {
+                    return false;
+                }
+            });
+        });
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerMainActivity.java

@@ -0,0 +1,61 @@
+package one.nem.lacerta.component.viewer;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.utils.LacertaLogger;
+
+@AndroidEntryPoint
+public class ViewerMainActivity extends AppCompatActivity {
+
+    @Inject
+    LacertaLogger logger;
+
+    @Inject
+    public ViewerMainActivity() {
+    }
+
+    // Variables
+    private static final String TAG = "ViewerMainActivity";
+    String documentId;
+    String documentName;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_viewer_main);
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+
+        Intent intent = getIntent();
+        try {
+            documentId = intent.getStringExtra("documentId");
+            documentName = intent.getStringExtra("documentName");
+        }
+        catch (Exception e) {
+            logger.error(TAG, "Failed to get documentId from intent");
+            logger.error(TAG, "Searchable Error code: " + "f64c21a2-391f-4c40-92f6-183da459de21");
+            Toast.makeText(this, "Failed to get documentId from intent", Toast.LENGTH_LONG).show();
+            finish();
+        }
+
+        // Navigation
+        getSupportFragmentManager().beginTransaction()
+                .replace(R.id.nav_host_fragment, ViewerListFragment.newInstance(documentId, documentName))
+                .commit();
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerVcsRevListFragment.java

@@ -0,0 +1,102 @@
+package one.nem.lacerta.component.viewer;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.utils.LacertaLogger;
+import one.nem.lacerta.vcs.LacertaVcs;
+import one.nem.lacerta.vcs.factory.LacertaVcsFactory;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link ViewerVcsRevListFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class ViewerVcsRevListFragment extends Fragment {
+
+    @Inject
+    LacertaVcsFactory lacertaVcsFactory;
+
+    @Inject
+    LacertaLogger logger;
+
+    LacertaVcs lacertaVcs;
+
+    private String documentId;
+    private String documentName;
+
+    public ViewerVcsRevListFragment() {
+        // Required empty public constructor
+    }
+
+    public static ViewerVcsRevListFragment newInstance(String documentId, String documentName) {
+        ViewerVcsRevListFragment fragment = new ViewerVcsRevListFragment();
+        Bundle args = new Bundle();
+        args.putString("documentId", documentId);
+        args.putString("documentName", documentName);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_viewer_vcs_rev_list, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        // Init arg
+        if (getArguments() != null) {
+            this.documentId = getArguments().getString("documentId");
+            logger.debug("ViewerVcsRevListFragment", "documentId: " + this.documentId);
+        }
+
+        // Init vcs
+        lacertaVcs = lacertaVcsFactory.create(this.documentId);
+
+        // Init view
+        RecyclerView recyclerView = view.findViewById(R.id.rev_list);
+
+        // Init adapter
+        RevAdapter revAdapter = new RevAdapter(revisionId -> {
+            logger.debug("ViewerVcsRevListFragment", "Selected revisionId: " + revisionId);
+            getParentFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, ViewerListFragment.newInstance(this.documentId, this.documentName, revisionId))
+                    .commit();
+        });
+
+        // Set adapter
+        recyclerView.setAdapter(revAdapter);
+
+        // Set layout manager
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        lacertaVcs.getRevisionHistory().thenAccept(revModels -> {
+            logger.debug("ViewerVcsRevListFragment", "revModels.size(): " + revModels.size());
+            getActivity().runOnUiThread(() -> {
+                revAdapter.setRevModels(revModels);
+                revAdapter.notifyDataSetChanged();
+            });
+        });
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/model/RevSelectListener.java

@@ -0,0 +1,5 @@
+package one.nem.lacerta.component.viewer.model;
+
+public interface RevSelectListener {
+    void onRevSelect(String revisionId);
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/model/ViewerBodyListItem.java

@@ -0,0 +1,20 @@
+package one.nem.lacerta.component.viewer.model;
+
+import android.graphics.Bitmap;
+
+public class ViewerBodyListItem {
+
+    Bitmap image;
+
+    public ViewerBodyListItem(Bitmap image) {
+        this.image = image;
+    }
+
+    public Bitmap getImage() {
+        return image;
+    }
+
+    public void setImage(Bitmap image) {
+        this.image = image;
+    }
+}

component/viewer/src/main/res/layout/activity_viewer_main.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ViewerMainActivity">
+
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/nav_host_fragment"
+        android:name="one.nem.lacerta.component.viewer.ViewerListFragment"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

component/viewer/src/main/res/layout/fragment_bookmark.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+</androidx.constraintlayout.widget.ConstraintLayout>

component/viewer/src/main/res/layout/fragment_bookmark_list.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/colorSurface">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    <!-- item_bookmark.xml -->
+    <TextView
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/titleTextView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="16dp"/>
+
+</FrameLayout>

component/viewer/src/main/res/layout/fragment_component_viewer_top.xml

@@ -0,0 +1,61 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/colorSurface">
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="Title" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+
+            <ProgressBar
+                android:id="@+id/loading_progress_bar"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_gravity="center"
+                android:indeterminate="true"
+                android:background="@color/colorSurface"
+                android:visibility="gone" />
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/body_recycler_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_margin="16dp"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+
+</FrameLayout>

component/viewer/src/main/res/layout/fragment_viewer_vcs_rev_list.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ViewerVcsRevListFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rev_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</FrameLayout>

component/viewer/src/main/res/layout/viewer_body_list_item.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:elevation="8dp"
+        android:adjustViewBounds="true"
+        android:layout_marginBottom="16dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:srcCompat="@tools:sample/backgrounds/scenic" />
+</androidx.constraintlayout.widget.ConstraintLayout>

component/viewer/src/main/res/layout/viewer_rev_list_item.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingHorizontal="24dp"
+    android:paddingVertical="16dp">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/item_text_container"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <TextView
+            android:id="@+id/rev_item_title"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:textSize="16sp"
+            android:layout_marginEnd="8dp"
+            android:text="Placeholder Title"
+            android:textColor="@color/colorOnSurface"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/rev_item_detail"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:textSize="14sp"
+            android:text="2023/01/01 00:00:00 - hogehoge"
+            android:textColor="@color/colorOnSurfaceSecondary"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/rev_item_title" />
+
+        <TextView
+            android:id="@+id/rev_item_id"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:textSize="12sp"
+            android:text="dd76a029-51f1-40f7-b316-a0c74bbfebb1(Example)"
+            android:textColor="@color/colorOnSurfaceSecondary"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/rev_item_detail" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>

component/viewer/src/main/res/menu/viewer_menu.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/action_open_vcs_rev_list"
+        android:title="Open VCS Rev List" />
+
+    <item
+        android:id="@+id/action_rename"
+        android:title="リネーム" />
+
+    <item
+        android:id="@+id/action_delete"
+        android:title="削除" />
+
+    <item
+        android:id="@+id/action_move"
+        android:title="移動" />
+
+</menu>

component/viewer/src/main/res/navigation/component_viewer_navigation.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/component_viewer_navigation"
+    app:startDestination="@id/viewerListFragment">
+
+    <fragment
+        android:id="@+id/viewerListFragment"
+        android:name="one.nem.lacerta.component.viewer.ViewerListFragment"
+        android:label="ComponentViewerTopFragment" >
+        <action
+            android:id="@+id/action_componentViewerTopFragment_to_viewerVcsRevListFragment"
+            app:destination="@id/viewerVcsRevListFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/viewerVcsRevListFragment"
+        android:name="one.nem.lacerta.component.viewer.ViewerVcsRevListFragment"
+        android:label="fragment_viewer_vcs_rev_list"
+        tools:layout="@layout/fragment_viewer_vcs_rev_list" />
+</navigation>

component/viewer/src/main/res/values/strings.xml

@@ -0,0 +1,4 @@
+<resources>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+</resources>

data/src/main/java/one/nem/lacerta/data/Document.java

@@ -2,9 +2,11 @@ package one.nem.lacerta.data;
 
 import java.lang.reflect.Array;
 import java.util.ArrayList;
+import java.util.concurrent.CompletableFuture;
 
 import one.nem.lacerta.model.document.DocumentMeta;
 import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.model.document.page.Page;
 import one.nem.lacerta.model.document.path.DocumentPath;
 import one.nem.lacerta.model.document.tag.DocumentTag;
 
@@ -13,13 +15,19 @@ import one.nem.lacerta.model.document.tag.DocumentTag;
  */
 public interface Document {
 
-    DocumentDetail createDocument(DocumentMeta meta);
+    CompletableFuture<DocumentDetail> createDocument(DocumentMeta meta);
 
-    DocumentDetail createDocument();
+    CompletableFuture<DocumentDetail> createDocument();
 
-    void deleteDocument(String documentId);
+    CompletableFuture<Void> renameDocument(String documentId, String name);
 
-    void updateDocument(DocumentMeta meta, DocumentDetail detail);
+    CompletableFuture<Void> deleteDocument(String documentId);
 
-    DocumentDetail getDocument(String documentId);
+    CompletableFuture<Void> moveDocument(String documentId, String parentId);
+
+    CompletableFuture<Void> updateDocument(DocumentDetail detail);
+
+    CompletableFuture<DocumentDetail> getDocument(String documentId);
+
+    CompletableFuture<ArrayList<Page>> getDocumentPageListByFileNameList(String documentId, ArrayList<String> fileNameList);
 }

data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java

@@ -1,25 +1,46 @@
 package one.nem.lacerta.data;
 
 import java.util.ArrayList;
+import java.util.concurrent.CompletableFuture;
 
 import one.nem.lacerta.model.ListItem;
 import one.nem.lacerta.model.ListItemType;
 
 import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.PublicPath;
 import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.model.document.tag.DocumentTag;
 
 public interface LacertaLibrary {
 
     // Get History
-    ArrayList<ListItem> getRecentDocument(int limit);
-    ArrayList<ListItem> getRecentDocument(int limit, int offset);
+    CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit);
+    CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit, int offset);
 
-    // Get Library page
-    LibraryItemPage getLibraryPage(int limit);
-    LibraryItemPage getLibraryPage(int limit, int offset);
-    LibraryItemPage getLibraryPage(String pageId, int limit);
-    LibraryItemPage getLibraryPage(String pageId, int limit, int offset);
+    // Get Library Page
+    CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit);
+    CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit, int offset);
 
-    // GetDocument
-    DocumentDetail getDocumentDetailById(String id); // TODO-rca: Documentに統合する
+    // Get Folder List
+    CompletableFuture<LibraryItemPage> getFolderList(String parentId);
+
+    // Create Folder
+    CompletableFuture<String> createFolder(String parentId, String name);
+
+    // Get Public Path
+    CompletableFuture<PublicPath> getPublicPath(String itemId, ListItemType itemType);
+
+
+    // Tag
+    CompletableFuture<ArrayList<DocumentTag>> getTagList();
+
+    CompletableFuture<Void> createTag(DocumentTag tag);
+
+    CompletableFuture<Void> updateTag(DocumentTag tag);
+
+    CompletableFuture<Void> deleteTag(String tagId);
+
+    CompletableFuture<Void> addTagToDocument(String documentId, String tagId);
+
+    CompletableFuture<Void> removeTagFromDocument(String documentId, String tagId);
 }

data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java

@@ -1,8 +1,12 @@
 package one.nem.lacerta.data.impl;
 
+import androidx.room.Update;
+
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 
 // Hilt
 import javax.inject.Inject;
@@ -16,13 +20,20 @@ import one.nem.lacerta.model.document.DocumentMeta;
 import one.nem.lacerta.model.document.DocumentDetail;
 
 // Lacerta/source
+import one.nem.lacerta.model.document.internal.XmlMetaModel;
+import one.nem.lacerta.model.document.internal.XmlMetaPageModel;
+import one.nem.lacerta.model.document.page.Page;
 import one.nem.lacerta.source.database.LacertaDatabase;
 import one.nem.lacerta.source.database.entity.DocumentEntity;
 
 // Lacerta/utils
+import one.nem.lacerta.source.file.FileManager;
+import one.nem.lacerta.source.file.factory.FileManagerFactory;
 import one.nem.lacerta.utils.LacertaLogger;
 
 // Lacerta/vcs
+import one.nem.lacerta.utils.XmlMetaParser;
+import one.nem.lacerta.utils.repository.DeviceInfoUtils;
 import one.nem.lacerta.vcs.LacertaVcs;
 import one.nem.lacerta.vcs.factory.LacertaVcsFactory;
 
@@ -40,6 +51,14 @@ public class DocumentImpl implements Document {
     @Inject
     LacertaVcsFactory vcsFactory;
 
+    @Inject
+    FileManagerFactory fileManagerFactory;
+
+    @Inject
+    DeviceInfoUtils deviceInfoUtils;
+
+    @Inject
+    XmlMetaParser xmlMetaParser;
 
     @Inject
     public DocumentImpl() {
@@ -49,59 +68,209 @@ public class DocumentImpl implements Document {
 
 
     @Override
-    public DocumentDetail createDocument(DocumentMeta meta) {
-        DocumentDetail detail = new DocumentDetail();
-        detail.setMeta(meta);
-        detail.setPages(new ArrayList<>());
+    public CompletableFuture<DocumentDetail> createDocument(DocumentMeta meta) {
+        return CompletableFuture.supplyAsync(() -> {
+            DocumentDetail detail = new DocumentDetail();
+            detail.setMeta(meta);
+            detail.setPages(new ArrayList<>());
+            // Create DocumentEntity
+            DocumentEntity documentEntity = new DocumentEntity();
+            documentEntity.id = meta.getId();
+            documentEntity.title = meta.getTitle();
+            documentEntity.author = meta.getAuthor();
+            documentEntity.updatedAt = meta.getUpdatedAt();
+            documentEntity.createdAt = meta.getCreatedAt();
+            documentEntity.parentId = meta.getParentId();
 
-        // TODO-rca: UIスレッドから追い出す
+            database.documentDao().insert(documentEntity);
 
-        // Create DocumentEntity
-        DocumentEntity documentEntity = new DocumentEntity();
-        documentEntity.id = meta.getId();
-        documentEntity.title = meta.getTitle();
-        documentEntity.author = meta.getAuthor();
-        documentEntity.defaultBranch = meta.getDefaultBranch();
-        documentEntity.updatedAt = meta.getUpdatedAt();
-        documentEntity.createdAt = meta.getCreatedAt();
-        documentEntity.publicPath = meta.getPath().getStringPath();
-        documentEntity.tagIds = meta.getTagIds();
+            // Vcs
+            LacertaVcs vcs = vcsFactory.create(meta.getId());
+            vcs.createDocument(meta.getId());
 
-        database.documentDao().insert(documentEntity);
+            // XmlMeta
+            updateXmlMeta(detail).join();
 
-        // Vcs
-        LacertaVcs vcs = vcsFactory.create(meta.getId());
-        vcs.createDocument(meta.getId());
-
-        return detail;
+            return detail;
+        });
     }
 
     @Override
-    public DocumentDetail createDocument() {
+    public CompletableFuture<DocumentDetail> createDocument() {
         DocumentMeta meta = new DocumentMeta();
         meta.setId(UUID.randomUUID().toString());
         meta.setTitle("New Document");
         meta.setAuthor("author");
-        meta.setDefaultBranch("master");
         meta.setUpdatedAt(new Date());
         meta.setCreatedAt(new Date());
-        meta.setPath(new PublicPath().getRoot()); // TODO-rca: 2回インスタンスを生成していて無駄なのでなんとかする
-        meta.setTags(new ArrayList<>());
+        meta.setParentId(null);
         return createDocument(meta);
     }
 
     @Override
-    public void deleteDocument(String documentId) {
-
+    public CompletableFuture<Void> deleteDocument(String documentId) {
+        return CompletableFuture.supplyAsync(() -> {
+            DocumentEntity documentEntity = database.documentDao().findById(documentId);
+            if (documentEntity == null) {
+                throw new IllegalArgumentException("documentId is not found");
+            }
+            database.documentDao().delete(documentEntity);
+            return null;
+        });
     }
 
     @Override
-    public void updateDocument(DocumentMeta meta, DocumentDetail detail) {
-
+    public CompletableFuture<Void> moveDocument(String documentId, String parentId) {
+        return CompletableFuture.supplyAsync(() -> {
+            DocumentEntity documentEntity = database.documentDao().findById(documentId);
+            if (documentEntity == null) {
+                throw new IllegalArgumentException("documentId is not found");
+            }
+            documentEntity.parentId = parentId;
+            database.documentDao().update(documentEntity);
+            return null;
+        });
     }
 
     @Override
-    public DocumentDetail getDocument(String documentId) {
-        return null;
+    public CompletableFuture<Void> updateDocument(DocumentDetail detail) {
+        return CompletableFuture.supplyAsync(() -> {
+            updateXmlMeta(detail).join();
+            return null;
+        });
+    }
+
+    @Override
+    public CompletableFuture<Void> renameDocument(String documentId, String name) {
+        return CompletableFuture.supplyAsync(() -> {
+            DocumentEntity documentEntity = database.documentDao().findById(documentId);
+            if (documentEntity == null) {
+                throw new IllegalArgumentException("documentId is not found");
+            }
+            documentEntity.title = name;
+            database.documentDao().update(documentEntity);
+            return null;
+        });
+    }
+
+    @Override
+    public CompletableFuture<DocumentDetail> getDocument(String documentId) {
+        return CompletableFuture.supplyAsync(() -> {
+            DocumentEntity documentEntity = database.documentDao().findById(documentId);
+            if (documentEntity == null) {
+                throw new IllegalArgumentException("documentId is not found");
+            }
+            DocumentMeta meta = new DocumentMeta();
+            meta.setId(documentEntity.id);
+            meta.setTitle(documentEntity.title);
+            meta.setAuthor(documentEntity.author);
+            meta.setUpdatedAt(documentEntity.updatedAt);
+            meta.setCreatedAt(documentEntity.createdAt);
+            meta.setParentId(documentEntity.parentId);
+
+            DocumentDetail detail = new DocumentDetail();
+
+            getPagesByXmlMeta(documentId).thenCompose(xmlMetaPageModels -> getPagesByXmlMetaPageModel(documentId, xmlMetaPageModels)).thenAccept(pages -> {
+                logger.debug(TAG, "pages: " + pages.size());
+                detail.setMeta(meta);
+                detail.setPages(pages);
+            }).join();
+
+            return detail;
+        });
+    }
+
+    @Override
+    public CompletableFuture<ArrayList<Page>> getDocumentPageListByFileNameList(String documentId, ArrayList<String> fileNameList) {
+        return CompletableFuture.supplyAsync(() -> {
+            ArrayList<Page> pages = new ArrayList<>();
+            FileManager fileManager;
+            try {
+                fileManager = fileManagerFactory.create(deviceInfoUtils.getExternalStorageDirectory()).resolve(documentId).resolve("raw");
+            } catch (IOException e) {
+                logger.error(TAG, "FileManager resolve error");
+                logger.trace(TAG, e.getMessage());
+                logger.e_code("1210ae5b-dd2f-42ef-bc15-40b9a9bbdb16");
+                return null;
+            }
+
+            fileNameList.forEach(fileName -> {
+                try {
+                    pages.add(new Page(fileName, fileManager.loadBitmap(fileName)));
+                } catch (IOException e) {
+                    logger.error(TAG, "Bitmap decode error");
+                    logger.trace(TAG, e.getMessage());
+                    logger.e_code("6f9ba0dc-ac63-401c-8f50-a2bd9ff5cb91");
+                }
+            });
+
+            return pages;
+        });
+    }
+
+    private CompletableFuture<ArrayList<XmlMetaPageModel>> getPagesByXmlMeta(String documentId) {
+        return CompletableFuture.supplyAsync(() -> {
+            FileManager fileManager = fileManagerFactory.create(deviceInfoUtils.getExternalStorageDirectory());
+            try {
+                ArrayList<XmlMetaPageModel> xmlMetaPageModels = xmlMetaParser.deserialize(fileManager.resolve(documentId).loadXml("meta.xml")).getPages();
+                // Debug
+                logger.debug(TAG, "xmlMetaPageModels: " + xmlMetaPageModels.size());
+                for (XmlMetaPageModel xmlMetaPageModel : xmlMetaPageModels) {
+                    logger.debug(TAG, "\txmlMetaPageModel: " + xmlMetaPageModel.getFilename());
+                }
+                return xmlMetaPageModels;
+            } catch (IOException e) {
+                logger.error(TAG, "DocumentMeta parse error");
+                logger.trace(TAG, e.getMessage());
+                logger.e_code("db18c04a-1625-4871-9e4e-918d805568ac");
+            }
+            return null;
+        });
+    }
+
+    private CompletableFuture<ArrayList<Page>> getPagesByXmlMetaPageModel(String documentId, ArrayList<XmlMetaPageModel> xmlMetaPageModels) {
+        return CompletableFuture.supplyAsync(() -> {
+            ArrayList<Page> pages = new ArrayList<>();
+            FileManager fileManager;
+            try {
+                fileManager = fileManagerFactory.create(deviceInfoUtils.getExternalStorageDirectory()).resolve(documentId);
+            } catch (IOException e) {
+                logger.error(TAG, "FileManager resolve error");
+                logger.trace(TAG, e.getMessage());
+                logger.e_code("2235e8ee-4177-46f8-af6b-084381b202e6");
+                return null;
+            }
+            for (XmlMetaPageModel xmlMetaPageModel : xmlMetaPageModels) {
+                try {
+                    pages.add(new Page(xmlMetaPageModel.getFilename(), fileManager.resolve("raw").loadBitmap(xmlMetaPageModel.getFilename())));
+                } catch (IOException e) {
+                    logger.error(TAG, "Bitmap decode error");
+                    logger.trace(TAG, e.getMessage());
+                    logger.e_code("3bba8c8f-90fb-4a24-a726-7ea201929f8b");
+                    return null;
+                }
+            }
+            return pages;
+        });
+    }
+
+    private CompletableFuture<Void> updateXmlMeta(DocumentDetail documentDetail) {
+        return CompletableFuture.supplyAsync(() -> {
+            // TODO-rca: リビジョンIDを検証する, 挿入する
+            FileManager fileManager = fileManagerFactory.create(deviceInfoUtils.getExternalStorageDirectory());
+            ArrayList<XmlMetaPageModel> xmlMetaPageModels = new ArrayList<>();
+            for (Page page : documentDetail.getPages()) {
+                xmlMetaPageModels.add(new XmlMetaPageModel(page.getFileName()));
+            }
+            try {
+                fileManager.createDirectoryIfNotExist(documentDetail.getMeta().getId()).resolve(documentDetail.getMeta().getId())
+                        .createFileIfNotExist("meta.xml").resolve("meta.xml").saveXml(xmlMetaParser.serialize(new XmlMetaModel("revisionId_PLACEHOLDER", xmlMetaPageModels)));
+            } catch (IOException e) {
+                logger.error(TAG, "DocumentMeta serialize error");
+                logger.trace(TAG, e.getMessage());
+                logger.e_code("e3b4d0c9-5b7e-4b7e-9e9a-5b8b8b8b8b8b");
+            }
+            return null;
+        });
     }
 }

data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java

@@ -1,8 +1,17 @@
 package one.nem.lacerta.data.impl;
 
+import android.nfc.Tag;
+
 import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 
 import javax.inject.Inject;
 
@@ -10,63 +19,308 @@ import one.nem.lacerta.data.LacertaLibrary;
 import one.nem.lacerta.model.LibraryItemPage;
 import one.nem.lacerta.model.ListItem;
 import one.nem.lacerta.model.ListItemType;
+import one.nem.lacerta.model.PublicPath;
 import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.model.document.tag.DocumentTag;
 import one.nem.lacerta.source.database.LacertaDatabase;
 import one.nem.lacerta.source.database.common.DateTypeConverter;
 import one.nem.lacerta.source.database.entity.DocumentEntity;
+import one.nem.lacerta.source.database.entity.FolderEntity;
+import one.nem.lacerta.source.database.entity.TagEntity;
+import one.nem.lacerta.source.database.entity.ToxiDocumentTagEntity;
+import one.nem.lacerta.utils.FeatureSwitch;
 import one.nem.lacerta.utils.LacertaLogger;
 
 public class LacertaLibraryImpl implements LacertaLibrary {
 
-    @Inject
     LacertaLogger logger;
-
-    @Inject
     LacertaDatabase database;
 
-    @Override
-    public ArrayList<ListItem> getRecentDocument(int limit) {
-        List<DocumentEntity> documentEntities = database.documentDao().getRecentDocument(limit);
-
-        ArrayList<ListItem> listItems = new ArrayList<>();
-        for (DocumentEntity documentEntity : documentEntities) {
-            ListItem listItem = new ListItem();
-            listItem.setItemType(ListItemType.ITEM_TYPE_DOCUMENT);
-            listItem.setTitle(documentEntity.title);
-            listItem.setDescription(DateFormat.getDateInstance().format(documentEntity.updatedAt));
-            listItem.setItemId(documentEntity.id);
-            listItems.add(listItem);
-        }
-        return listItems;
+    @Inject
+    public LacertaLibraryImpl(LacertaLogger logger, LacertaDatabase database) {
+        this.logger = logger;
+        this.database = database;
     }
 
     @Override
-    public ArrayList<ListItem> getRecentDocument(int limit, int offset) {
+    public CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit) {
+        return CompletableFuture.supplyAsync(() -> {
+            List<DocumentEntity> documentEntities = database.documentDao().getRecentDocument(limit);
+
+            ArrayList<ListItem> listItems = new ArrayList<>();
+            for (DocumentEntity documentEntity : documentEntities) {
+                ListItem listItem = new ListItem();
+                listItem.setItemType(ListItemType.ITEM_TYPE_DOCUMENT);
+                listItem.setTitle(documentEntity.title);
+                listItem.setDescription(DateFormat.getDateInstance().format(documentEntity.updatedAt));
+                listItem.setItemId(documentEntity.id);
+                listItems.add(listItem);
+            }
+
+            return listItems;
+        });
+    }
+
+    @Override
+    public CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit, int offset) {
         return null; // TODO-rca: Implement
     }
 
     @Override
-    public LibraryItemPage getLibraryPage(int limit) {
-        return null;
+    public CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit) {
+        return CompletableFuture.supplyAsync(() -> {
+            LibraryItemPage libraryItemPage = new LibraryItemPage();
+
+            List<FolderEntity> folderEntities;
+            List<DocumentEntity> documentEntities;
+
+            if (pageId == null) { // When root folder
+                libraryItemPage.setPageTitle("ライブラリ");
+                libraryItemPage.setPageId(null);
+                libraryItemPage.setParentId(null);
+
+                folderEntities = database.folderDao().findRootFolders();
+                documentEntities = database.documentDao().findRootDocuments();
+            } else {
+                FolderEntity folderEntity = database.folderDao().findById(pageId);
+                if (folderEntity == null) {
+                    logger.warn("LacertaLibraryImpl", pageId + " is not found.");
+                    return null;
+                }
+                libraryItemPage.setPageTitle(folderEntity.name);
+                libraryItemPage.setPageId(folderEntity.id);
+                libraryItemPage.setParentId(folderEntity.parentId);
+
+                folderEntities = database.folderDao().findByParentId(pageId);
+                documentEntities = database.documentDao().findByParentId(pageId);
+            }
+
+            ArrayList<ListItem> listItems = new ArrayList<>();
+            for (FolderEntity childFolderEntity : folderEntities) {
+                logger.debug("LacertaLibraryImpl", "childFolderEntity.name: " + childFolderEntity.name);
+                ListItem listItem = new ListItem();
+                listItem.setItemType(ListItemType.ITEM_TYPE_FOLDER);
+                listItem.setTitle(childFolderEntity.name);
+                listItem.setDescription("フォルダ"); // TODO-rca: ハードコーディングやめる
+                listItem.setItemId(childFolderEntity.id);
+                listItems.add(listItem);
+            }
+
+            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:");
+
+            for (DocumentEntity documentEntity : documentEntities) {
+                logger.debug("LacertaLibraryImpl", "documentEntity.title: " + documentEntity.title);
+                ListItem listItem = new ListItem();
+                listItem.setItemType(ListItemType.ITEM_TYPE_DOCUMENT);
+                listItem.setTitle(documentEntity.title);
+                listItem.setDescription(simpleDateFormat.format(documentEntity.updatedAt));
+                listItem.setItemId(documentEntity.id);
+                listItems.add(listItem);
+            }
+
+            libraryItemPage.setListItems(listItems);
+
+            logger.debug("LacertaLibraryImpl", "libraryItemPage.getListItems().size(): " + libraryItemPage.getListItems().size());
+
+            return libraryItemPage;
+        });
     }
 
     @Override
-    public LibraryItemPage getLibraryPage(int limit, int offset) {
-        return null;
+    public CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit, int offset) {
+        return CompletableFuture.supplyAsync(() -> {
+            return null;
+        });
     }
 
     @Override
-    public LibraryItemPage getLibraryPage(String pageId, int limit) {
-        return null;
+    public CompletableFuture<LibraryItemPage> getFolderList(String targetDirId) {
+        return CompletableFuture.supplyAsync(() -> {
+            LibraryItemPage libraryItemPage = new LibraryItemPage();
+
+            List<FolderEntity> folderEntities;
+            if (targetDirId == null) { // When root folder
+                folderEntities = database.folderDao().findRootFolders();
+                libraryItemPage.setParentId(null);
+                libraryItemPage.setPageId(null);
+                libraryItemPage.setPageTitle("ライブラリ");
+            } else {
+                folderEntities = database.folderDao().findByParentId(targetDirId);
+                FolderEntity folderEntity = database.folderDao().findById(targetDirId);
+                if (folderEntity == null) {
+                    logger.warn("LacertaLibraryImpl", targetDirId + " is not found.");
+                    return null;
+                }
+                libraryItemPage.setParentId(folderEntity.parentId);
+                libraryItemPage.setPageId(folderEntity.id);
+                libraryItemPage.setPageTitle(folderEntity.name);
+            }
+
+            ArrayList<ListItem> listItems = new ArrayList<>();
+            for (FolderEntity childFolderEntity : folderEntities) {
+                logger.debug("LacertaLibraryImpl", "childFolderEntity.name: " + childFolderEntity.name);
+                ListItem listItem = new ListItem();
+                listItem.setItemType(ListItemType.ITEM_TYPE_FOLDER);
+                listItem.setTitle(childFolderEntity.name);
+                listItem.setDescription("フォルダ"); // TODO-rca: ハードコーディングやめる
+                listItem.setItemId(childFolderEntity.id);
+                listItems.add(listItem);
+            }
+
+
+            libraryItemPage.setListItems(listItems);
+
+            return libraryItemPage;
+        });
     }
 
     @Override
-    public LibraryItemPage getLibraryPage(String pageId, int limit, int offset) {
-        return null;
+    public CompletableFuture<String> createFolder(String parentId, String name) {
+        return CompletableFuture.supplyAsync(() -> {
+            FolderEntity folderEntity = new FolderEntity();
+            folderEntity.id = UUID.randomUUID().toString();
+            folderEntity.name = name;
+            folderEntity.parentId = parentId;
+            database.folderDao().insert(folderEntity);
+            return folderEntity.id;
+        });
     }
 
     @Override
-    public DocumentDetail getDocumentDetailById(String id) {
-        return null;
+    public CompletableFuture<PublicPath> getPublicPath(String itemId, ListItemType itemType) {
+        return CompletableFuture.supplyAsync(() -> {
+            if (itemType == ListItemType.ITEM_TYPE_DOCUMENT) {
+                DocumentEntity documentEntity = database.documentDao().findById(itemId);
+                if (documentEntity == null) {
+                    logger.warn("LacertaLibraryImpl", itemId + " is not found.");
+                    return null;
+                }
+                PublicPath publicPath = recursiveResolve(documentEntity.parentId);
+                publicPath.resolve(documentEntity.title);
+                return publicPath;
+            } else if (itemType == ListItemType.ITEM_TYPE_FOLDER) {
+                FolderEntity folderEntity = database.folderDao().findById(itemId);
+                if (folderEntity == null) {
+                    return null;
+                }
+                return recursiveResolve(folderEntity.id);
+            } else {
+                logger.warn("LacertaLibraryImpl", "Unknown ListItemType: " + itemType);
+                return null;
+            }
+        });
+    }
+
+    // Converter
+    private DocumentTag convertTagEntityToDocumentTag(TagEntity tagEntity) {
+        DocumentTag documentTag = new DocumentTag();
+        documentTag.setId(tagEntity.id);
+        documentTag.setName(tagEntity.tagName);
+        documentTag.setColor(tagEntity.color);
+        return documentTag;
+    }
+
+    private TagEntity convertDocumentTagToTagEntity(DocumentTag documentTag) {
+        TagEntity tagEntity = new TagEntity();
+        tagEntity.id = documentTag.getId();
+        tagEntity.tagName = documentTag.getName();
+        tagEntity.color = documentTag.getColor();
+        return tagEntity;
+    }
+
+    @Override
+    public CompletableFuture<ArrayList<DocumentTag>> getTagList() {
+        return CompletableFuture.supplyAsync(() -> {
+            List<TagEntity> tagEntities = database.tagDao().findAll();
+            logger.debug("LacertaLibraryImpl", "Database Query: Get TagEntity List (Size: " + tagEntities.size() + ")");
+            ArrayList<DocumentTag> documentTags = new ArrayList<>();
+            for (TagEntity tagEntity : tagEntities) {
+                documentTags.add(convertTagEntityToDocumentTag(tagEntity));
+            }
+            return documentTags;
+        });
+    }
+
+    @Override
+    public CompletableFuture<Void> createTag(DocumentTag tag) {
+        return CompletableFuture.supplyAsync(() -> {
+            TagEntity tagEntity = convertDocumentTagToTagEntity(tag);
+            if (Objects.isNull(tagEntity.id) || tagEntity.id.isEmpty()) {
+                tagEntity.id = UUID.randomUUID().toString();
+            }
+            database.tagDao().insert(tagEntity);
+            logger.debug("LacertaLibraryImpl", "Database Query: Inserted TagEntity (" + tag.getId() + ")");
+            return null;
+        });
+    }
+
+    @Override
+    public CompletableFuture<Void> updateTag(DocumentTag tag) {
+        return CompletableFuture.supplyAsync(() -> {
+            TagEntity tagEntity = convertDocumentTagToTagEntity(tag);
+            database.tagDao().update(tagEntity);
+            logger.debug("LacertaLibraryImpl", "Database Query: Updated TagEntity (" + tag.getId() + ")");
+            return null;
+        });
+    }
+
+    @Override
+    public CompletableFuture<Void> deleteTag(String tagId) {
+        return CompletableFuture.supplyAsync(() -> {
+            database.tagDao().deleteById(tagId);
+            logger.debug("LacertaLibraryImpl", "Database Query: Deleted TagEntity (" + tagId + ")");
+            return null;
+        });
+    }
+
+    @Override
+    public CompletableFuture<Void> addTagToDocument(String documentId, String tagId) {
+        return CompletableFuture.supplyAsync(() -> {
+            ToxiDocumentTagEntity toxiDocumentTagEntity = new ToxiDocumentTagEntity();
+            toxiDocumentTagEntity.documentId = documentId;
+            toxiDocumentTagEntity.tagId = tagId;
+            database.toxiDocumentTagDao().insert(toxiDocumentTagEntity);
+            logger.debug("LacertaLibraryImpl", "Database Query: Inserted ToxiDocumentTagEntity");
+            return null;
+        });
+    }
+
+    @Override
+    public CompletableFuture<Void> removeTagFromDocument(String documentId, String tagId) {
+        return CompletableFuture.supplyAsync(() -> {
+            database.toxiDocumentTagDao().deleteByDocumentIdAndTagId(documentId, tagId);
+            logger.debug("LacertaLibraryImpl", "Database Query: Deleted ToxiDocumentTagEntity");
+            return null;
+        });
+    }
+
+    /**
+     * 再帰的にパスを解決する
+     *
+     * @param folderId
+     * @return
+     */
+    private PublicPath recursiveResolve(String folderId) {
+        String current = folderId;
+        boolean continueFlag = true;
+        ArrayList<String> folderNames = new ArrayList<>();
+        while (continueFlag) {
+            FolderEntity folderEntity = database.folderDao().findById(current);
+            if (folderEntity == null) { // 存在しないフォルダIDが指定された場合
+                continueFlag = false;
+            } else {
+                folderNames.add(folderEntity.name);
+                current = folderEntity.parentId;
+                if (current == null) { // ルートフォルダに到達した場合
+                    continueFlag = false;
+                }
+            }
+        }
+
+        // フォルダ名を逆順にしてListに変換
+        Collections.reverse(folderNames);
+        List<String> folderNamesReversed = new ArrayList<>(folderNames);
+
+        return new PublicPath(folderNamesReversed);
     }
 }

data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryStubImpl.java

@@ -1,219 +1,219 @@
-package one.nem.lacerta.data.impl;
-
-import one.nem.lacerta.data.LacertaLibrary;
-import one.nem.lacerta.model.LibraryItemPage;
-import one.nem.lacerta.model.ListItem;
-import one.nem.lacerta.model.ListItemType;
-import one.nem.lacerta.model.document.DocumentDetail;
-
-import one.nem.lacerta.model.document.DocumentMeta;
-import one.nem.lacerta.model.document.path.DocumentPath;
-import one.nem.lacerta.utils.LacertaLogger;
-
-import com.github.javafaker.DateAndTime;
-import com.github.javafaker.Faker;
-
-import java.text.DateFormat;
-import java.util.ArrayList;
-import java.util.Objects;
-import java.util.UUID;
-
-import javax.inject.Inject;
-
-/**
- * LacertaLibraryのスタブ実装
- */
-public class LacertaLibraryStubImpl implements LacertaLibrary {
-
-    LacertaLogger logger;
-
-    Faker faker;
-
-    @Inject
-    public LacertaLibraryStubImpl(LacertaLogger logger) {
-        faker = new Faker(); // Init Faker
-        this.logger = logger;
-        logger.debug("LibraryStub", "Initialized");
-    }
-
-    // Internal Methods
-
-    // Generate Stub Data
-    private LibraryItemPage generateStubLibraryItemPage(int limit, String pageId) {
-        logger.debug("LibraryStub", "generateStubLibraryItemPage");
-        ArrayList<ListItem> listItems = new ArrayList<>();
-        int itemTotal = faker.number().numberBetween(1, limit); // 実際に返却するアイテム数を決定
-        int folderTotal;
-        // フォルダ数の抽選
-        if (itemTotal > 4) {
-            folderTotal = faker.number().numberBetween(1, itemTotal - 2);
-        }
-        else {
-            if (itemTotal > 2) {
-                folderTotal = 1;
-            }
-            else { // ドキュメント数がゼロにならないように
-                folderTotal = 0;
-            }
-        }
-        int documentTotal = itemTotal - folderTotal; // ドキュメント数を決定
-        logger.debug("LibraryStub", "itemTotal: " + itemTotal);
-        logger.debug("LibraryStub", "folderTotal: " + folderTotal);
-        logger.debug("LibraryStub", "documentTotal: " + documentTotal);
-
-        // フォルダを生成
-        for (int i = 0; i < folderTotal; i++) {
-            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_FOLDER));
-        }
-        // ドキュメントを生成
-        for (int i = 0; i < documentTotal; i++) {
-            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_DOCUMENT));
-        }
-
-        LibraryItemPage libraryItemPage = new LibraryItemPage();
-        libraryItemPage.setListItems(listItems);
-        if (pageId == null) {
-            libraryItemPage.setPageId(UUID.randomUUID().toString());
-        } else {
-            libraryItemPage.setPageId(pageId);
-        }
-        libraryItemPage.setPageTitle("FakePage" + faker.number().digits(3));
-
-        return libraryItemPage;
-    }
-
-    private ListItem generateStubListItem(ListItemType itemType) {
-        if (itemType == ListItemType.ITEM_TYPE_FOLDER) {
-            ListItem listItem = new ListItem();
-            listItem.setTitle("FakeFolder" + faker.number().digits(3));
-            listItem.setDescription("Updated at " + DateFormat.getDateTimeInstance().format(faker.date().birthday()));
-            listItem.setItemType(ListItemType.ITEM_TYPE_FOLDER);
-            listItem.setItemId(UUID.randomUUID().toString());
-            return listItem;
-        } else if (itemType == ListItemType.ITEM_TYPE_DOCUMENT) {
-            ListItem listItem = new ListItem();
-            listItem.setTitle("FakeDocument" + faker.book().title());
-            listItem.setDescription("Updated at " + DateFormat.getDateTimeInstance().format(faker.date().birthday()));
-            listItem.setItemType(ListItemType.ITEM_TYPE_DOCUMENT);
-            listItem.setItemId(UUID.randomUUID().toString());
-            return listItem;
-        } else {
-            return null;
-        }
-    }
-
-    private LibraryItemPage getRecentDocumentPage(int limit) {
-        int itemTotal = faker.number().numberBetween(1, limit);
-        ArrayList<ListItem> listItems = new ArrayList<>();
-        for (int i = 0; i < itemTotal; i++) {
-            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_DOCUMENT));
-        }
-        // DescriptionからDateを抽出して新しい順にソート
-        listItems.sort((a, b) -> {
-            String aDate = a.getDescription().substring(11);
-            String bDate = b.getDescription().substring(11);
-            return bDate.compareTo(aDate);
-        });
-        LibraryItemPage libraryItemPage = new LibraryItemPage();
-        libraryItemPage.setListItems(listItems);
-        libraryItemPage.setPageId(UUID.randomUUID().toString());
-        libraryItemPage.setPageTitle("RecentDocument");
-        return libraryItemPage;
-    }
-
-    private DocumentDetail generateStubDocumentDetail(String id) throws IllegalArgumentException {
-
-        if (Objects.isNull(id)) {
-            throw new IllegalArgumentException("id is null");
-        }
-
-        DocumentMeta documentMeta = new DocumentMeta();
-        documentMeta.setId(id);
-        documentMeta.setTitle("FakeDocument" + faker.book().title());
-        documentMeta.setCreatedAt(faker.date().birthday());
-        documentMeta.setUpdatedAt(faker.date().birthday()); // TODO-rca: 更新日のほうが古くなることがあるのでなんとかする？
-        ArrayList<String> tagIds = new ArrayList<>();
-
-        DocumentDetail documentDetail = new DocumentDetail();
-        documentDetail.setMeta(documentMeta);
-//        documentDetail.setPath(null); // TODO-rca: なんとかする
-//        documentDetail.setAuthor(faker.name().fullName());
-//        documentDetail.setRepository(null); // TODO-rca: なんとかする
-        return documentDetail;
-    }
-
-    /**
-     * 履歴ページを取得する
-     * @param limit 取得するアイテム数
-     * @return ページオブジェクト
-     */
-    @Override
-    public ArrayList<ListItem> getRecentDocument(int limit) {
-        return getRecentDocumentPage(limit).getListItems();
-    }
-
-    /**
-     * 履歴ページを取得する
-     * @param limit 取得するアイテム数
-     * @param offset 取得するアイテムのオフセット
-     * @return ページオブジェクト
-     */
-    @Override
-    public ArrayList<ListItem> getRecentDocument(int limit, int offset) {
-        return getRecentDocumentPage(limit).getListItems();
-    }
-
-    /**
-     * ライブラリページを取得する
-     * @param limit 取得するアイテム数
-     * @return ページオブジェクト
-     */
-    @Override
-    public LibraryItemPage getLibraryPage(int limit) {
-        return generateStubLibraryItemPage(limit, null);
-    }
-
-    /**
-     * ライブラリページを取得する
-     * @param limit 取得するアイテム数
-     * @param offset 取得するアイテムのオフセット
-     * @return ページオブジェクト
-     */
-    @Override
-    public LibraryItemPage getLibraryPage(int limit, int offset) {
-        return generateStubLibraryItemPage(limit, null);
-    }
-
-    /**
-     * ライブラリページを取得する
-     * @param pageId ページID
-     * @param limit 取得するアイテム数
-     * @return ページオブジェクト
-     */
-    @Override
-    public LibraryItemPage getLibraryPage(String pageId, int limit) {
-        return generateStubLibraryItemPage(limit, pageId);
-    }
-
-    /**
-     * ライブラリページを取得する
-     * @param pageId ページID
-     * @param limit 取得するアイテム数
-     * @param offset 取得するアイテムのオフセット
-     * @return ページオブジェクト
-     */
-    @Override
-    public LibraryItemPage getLibraryPage(String pageId, int limit, int offset) {
-        return generateStubLibraryItemPage(limit, pageId);
-    }
-
-    /**
-     * ドキュメント詳細を取得する
-     * @param id ドキュメントID
-     * @return ドキュメント詳細オブジェクト
-     */
-    @Override
-    public DocumentDetail getDocumentDetailById(String id) throws IllegalArgumentException {
-        return generateStubDocumentDetail(id);
-    }
-}
+//package one.nem.lacerta.data.impl;
+//
+//import one.nem.lacerta.data.LacertaLibrary;
+//import one.nem.lacerta.model.LibraryItemPage;
+//import one.nem.lacerta.model.ListItem;
+//import one.nem.lacerta.model.ListItemType;
+//import one.nem.lacerta.model.document.DocumentDetail;
+//
+//import one.nem.lacerta.model.document.DocumentMeta;
+//import one.nem.lacerta.model.document.path.DocumentPath;
+//import one.nem.lacerta.utils.LacertaLogger;
+//
+//import com.github.javafaker.DateAndTime;
+//import com.github.javafaker.Faker;
+//
+//import java.text.DateFormat;
+//import java.util.ArrayList;
+//import java.util.Objects;
+//import java.util.UUID;
+//
+//import javax.inject.Inject;
+//
+///**
+// * LacertaLibraryのスタブ実装
+// */
+//public class LacertaLibraryStubImpl implements LacertaLibrary {
+//
+//    LacertaLogger logger;
+//
+//    Faker faker;
+//
+//    @Inject
+//    public LacertaLibraryStubImpl(LacertaLogger logger) {
+//        faker = new Faker(); // Init Faker
+//        this.logger = logger;
+//        logger.debug("LibraryStub", "Initialized");
+//    }
+//
+//    // Internal Methods
+//
+//    // Generate Stub Data
+//    private LibraryItemPage generateStubLibraryItemPage(int limit, String pageId) {
+//        logger.debug("LibraryStub", "generateStubLibraryItemPage");
+//        ArrayList<ListItem> listItems = new ArrayList<>();
+//        int itemTotal = faker.number().numberBetween(1, limit); // 実際に返却するアイテム数を決定
+//        int folderTotal;
+//        // フォルダ数の抽選
+//        if (itemTotal > 4) {
+//            folderTotal = faker.number().numberBetween(1, itemTotal - 2);
+//        }
+//        else {
+//            if (itemTotal > 2) {
+//                folderTotal = 1;
+//            }
+//            else { // ドキュメント数がゼロにならないように
+//                folderTotal = 0;
+//            }
+//        }
+//        int documentTotal = itemTotal - folderTotal; // ドキュメント数を決定
+//        logger.debug("LibraryStub", "itemTotal: " + itemTotal);
+//        logger.debug("LibraryStub", "folderTotal: " + folderTotal);
+//        logger.debug("LibraryStub", "documentTotal: " + documentTotal);
+//
+//        // フォルダを生成
+//        for (int i = 0; i < folderTotal; i++) {
+//            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_FOLDER));
+//        }
+//        // ドキュメントを生成
+//        for (int i = 0; i < documentTotal; i++) {
+//            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_DOCUMENT));
+//        }
+//
+//        LibraryItemPage libraryItemPage = new LibraryItemPage();
+//        libraryItemPage.setListItems(listItems);
+//        if (pageId == null) {
+//            libraryItemPage.setPageId(UUID.randomUUID().toString());
+//        } else {
+//            libraryItemPage.setPageId(pageId);
+//        }
+//        libraryItemPage.setPageTitle("FakePage" + faker.number().digits(3));
+//
+//        return libraryItemPage;
+//    }
+//
+//    private ListItem generateStubListItem(ListItemType itemType) {
+//        if (itemType == ListItemType.ITEM_TYPE_FOLDER) {
+//            ListItem listItem = new ListItem();
+//            listItem.setTitle("FakeFolder" + faker.number().digits(3));
+//            listItem.setDescription("Updated at " + DateFormat.getDateTimeInstance().format(faker.date().birthday()));
+//            listItem.setItemType(ListItemType.ITEM_TYPE_FOLDER);
+//            listItem.setItemId(UUID.randomUUID().toString());
+//            return listItem;
+//        } else if (itemType == ListItemType.ITEM_TYPE_DOCUMENT) {
+//            ListItem listItem = new ListItem();
+//            listItem.setTitle("FakeDocument" + faker.book().title());
+//            listItem.setDescription("Updated at " + DateFormat.getDateTimeInstance().format(faker.date().birthday()));
+//            listItem.setItemType(ListItemType.ITEM_TYPE_DOCUMENT);
+//            listItem.setItemId(UUID.randomUUID().toString());
+//            return listItem;
+//        } else {
+//            return null;
+//        }
+//    }
+//
+//    private LibraryItemPage getRecentDocumentPage(int limit) {
+//        int itemTotal = faker.number().numberBetween(1, limit);
+//        ArrayList<ListItem> listItems = new ArrayList<>();
+//        for (int i = 0; i < itemTotal; i++) {
+//            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_DOCUMENT));
+//        }
+//        // DescriptionからDateを抽出して新しい順にソート
+//        listItems.sort((a, b) -> {
+//            String aDate = a.getDescription().substring(11);
+//            String bDate = b.getDescription().substring(11);
+//            return bDate.compareTo(aDate);
+//        });
+//        LibraryItemPage libraryItemPage = new LibraryItemPage();
+//        libraryItemPage.setListItems(listItems);
+//        libraryItemPage.setPageId(UUID.randomUUID().toString());
+//        libraryItemPage.setPageTitle("RecentDocument");
+//        return libraryItemPage;
+//    }
+//
+//    private DocumentDetail generateStubDocumentDetail(String id) throws IllegalArgumentException {
+//
+//        if (Objects.isNull(id)) {
+//            throw new IllegalArgumentException("id is null");
+//        }
+//
+//        DocumentMeta documentMeta = new DocumentMeta();
+//        documentMeta.setId(id);
+//        documentMeta.setTitle("FakeDocument" + faker.book().title());
+//        documentMeta.setCreatedAt(faker.date().birthday());
+//        documentMeta.setUpdatedAt(faker.date().birthday()); // TODO-rca: 更新日のほうが古くなることがあるのでなんとかする？
+//        ArrayList<String> tagIds = new ArrayList<>();
+//
+//        DocumentDetail documentDetail = new DocumentDetail();
+//        documentDetail.setMeta(documentMeta);
+////        documentDetail.setPath(null); // TODO-rca: なんとかする
+////        documentDetail.setAuthor(faker.name().fullName());
+////        documentDetail.setRepository(null); // TODO-rca: なんとかする
+//        return documentDetail;
+//    }
+//
+//    /**
+//     * 履歴ページを取得する
+//     * @param limit 取得するアイテム数
+//     * @return ページオブジェクト
+//     */
+//    @Override
+//    public ArrayList<ListItem> getRecentDocument(int limit) {
+//        return getRecentDocumentPage(limit).getListItems();
+//    }
+//
+//    /**
+//     * 履歴ページを取得する
+//     * @param limit 取得するアイテム数
+//     * @param offset 取得するアイテムのオフセット
+//     * @return ページオブジェクト
+//     */
+//    @Override
+//    public ArrayList<ListItem> getRecentDocument(int limit, int offset) {
+//        return getRecentDocumentPage(limit).getListItems();
+//    }
+//
+//    /**
+//     * ライブラリページを取得する
+//     * @param limit 取得するアイテム数
+//     * @return ページオブジェクト
+//     */
+//    @Override
+//    public LibraryItemPage getLibraryPage(int limit) {
+//        return generateStubLibraryItemPage(limit, null);
+//    }
+//
+//    /**
+//     * ライブラリページを取得する
+//     * @param limit 取得するアイテム数
+//     * @param offset 取得するアイテムのオフセット
+//     * @return ページオブジェクト
+//     */
+//    @Override
+//    public LibraryItemPage getLibraryPage(int limit, int offset) {
+//        return generateStubLibraryItemPage(limit, null);
+//    }
+//
+//    /**
+//     * ライブラリページを取得する
+//     * @param pageId ページID
+//     * @param limit 取得するアイテム数
+//     * @return ページオブジェクト
+//     */
+//    @Override
+//    public LibraryItemPage getLibraryPage(String pageId, int limit) {
+//        return generateStubLibraryItemPage(limit, pageId);
+//    }
+//
+//    /**
+//     * ライブラリページを取得する
+//     * @param pageId ページID
+//     * @param limit 取得するアイテム数
+//     * @param offset 取得するアイテムのオフセット
+//     * @return ページオブジェクト
+//     */
+//    @Override
+//    public LibraryItemPage getLibraryPage(String pageId, int limit, int offset) {
+//        return generateStubLibraryItemPage(limit, pageId);
+//    }
+//
+//    /**
+//     * ドキュメント詳細を取得する
+//     * @param id ドキュメントID
+//     * @return ドキュメント詳細オブジェクト
+//     */
+//    @Override
+//    public DocumentDetail getDocumentDetailById(String id) throws IllegalArgumentException {
+//        return generateStubDocumentDetail(id);
+//    }
+//}

data/src/main/java/one/nem/lacerta/data/impl/LacertaSearchStubImpl.java

@@ -30,9 +30,10 @@ public class LacertaSearchStubImpl implements LacertaSearch {
      */
     @Override
     public ArrayList<ListItem> autoSearch(String query, int limit) {
-        logger.debug("SearchStub", "autoSearch");
-        logger.debug("SearchStub", "query: " + query);
-        return library.getLibraryPage(limit).getListItems();
+//        logger.debug("SearchStub", "autoSearch");
+//        logger.debug("SearchStub", "query: " + query);
+//        return library.getLibraryPage(limit).getListItems();
+        return null;
     }
 
     /**
@@ -44,8 +45,9 @@ public class LacertaSearchStubImpl implements LacertaSearch {
      */
     @Override
     public ArrayList<ListItem> autoSearch(String query, int limit, int offset) {
-        logger.debug("SearchStub", "autoSearch");
-        logger.debug("SearchStub", "query: " + query);
-        return library.getLibraryPage(limit, offset).getListItems();
+//        logger.debug("SearchStub", "autoSearch");
+//        logger.debug("SearchStub", "query: " + query);
+//        return library.getLibraryPage(limit, offset).getListItems();
+        return null;
     }
 }

data/src/main/java/one/nem/lacerta/data/module/LacertaLibraryModule.java

@@ -7,7 +7,7 @@ import dagger.hilt.android.components.FragmentComponent;
 import dagger.hilt.migration.DisableInstallInCheck;
 
 import one.nem.lacerta.data.LacertaLibrary;
-import one.nem.lacerta.data.impl.LacertaLibraryStubImpl;
+import one.nem.lacerta.data.impl.LacertaLibraryImpl;
 import one.nem.lacerta.utils.LacertaLogger;
 
 @Module
@@ -16,6 +16,6 @@ import one.nem.lacerta.utils.LacertaLogger;
 abstract public class LacertaLibraryModule {
 
     @Binds
-    public abstract LacertaLibrary bindLacertaLibrary(LacertaLibraryStubImpl impl);
+    public abstract LacertaLibrary bindLacertaLibrary(LacertaLibraryImpl impl);
 
 }

feature/common/build.gradle

@@ -4,7 +4,7 @@ plugins {
 
 android {
     namespace 'one.nem.lacerta.feature.common'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26

feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuLibraryItemListPageFragment.java

@@ -57,7 +57,8 @@ public class DebugMenuLibraryItemListPageFragment extends Fragment {
         // Inflate the layout for this fragment
         View view = inflater.inflate(R.layout.fragment_debug_menu_library_item_list_page, container, false);
 
-        ArrayList<ListItem> listItems = lacertaLibrary.getRecentDocument(10);
+//        ArrayList<ListItem> listItems = lacertaLibrary.getRecentDocument(10);
+        ArrayList<ListItem> listItems = new ArrayList<>();
         for (ListItem listItem : listItems) {
             System.out.println(listItem.getTitle());
         }

feature/home/build.gradle

@@ -5,7 +5,7 @@ plugins {
 
 android {
     namespace 'one.nem.lacerta.feature.home'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26
@@ -57,4 +57,6 @@ dependencies {
     implementation "androidx.recyclerview:recyclerview:1.3.2"
 
     implementation project(':component:common')
+
+    implementation project(':component:viewer')
 }

feature/home/src/main/java/one/nem/lacerta/feature/home/DocumentSelectListener.java

@@ -0,0 +1,5 @@
+package one.nem.lacerta.feature.home;
+
+public interface DocumentSelectListener {
+    void onDocumentSelect(String documentId, String documentName);
+}

feature/home/src/main/java/one/nem/lacerta/feature/home/HomeTopFragment.java

@@ -1,37 +1,27 @@
 package one.nem.lacerta.feature.home;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
-
-import androidx.appcompat.app.ActionBarDrawerToggle;
-import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
 import androidx.core.content.ContextCompat;
-import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.Fragment;
+import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
-import com.google.android.material.appbar.CollapsingToolbarLayout;
-
-import java.util.ArrayList;
-import java.util.List;
 
 import javax.inject.Inject;
 
 import dagger.hilt.android.AndroidEntryPoint;
-import one.nem.lacerta.data.Document;
+import one.nem.lacerta.component.viewer.ViewerMainActivity;
 import one.nem.lacerta.data.LacertaLibrary;
-import one.nem.lacerta.model.ListItem;
-import one.nem.lacerta.model.document.DocumentMeta;
-
+import one.nem.lacerta.utils.FeatureSwitch;
 
 
 /**
@@ -45,6 +35,8 @@ public class HomeTopFragment extends Fragment {
     @Inject
     LacertaLibrary lacertaLibrary;
 
+    private ListItemAdapter listItemAdapter;
+
     public HomeTopFragment() {
         // Required empty public constructor
     }
@@ -67,18 +59,17 @@ public class HomeTopFragment extends Fragment {
         // Inflate the layout for this fragment
         View view = inflater.inflate(R.layout.fragment_home_top, container, false);
 
-        ArrayList<ListItem> recentDocument = lacertaLibrary.getRecentDocument(10);
-
-        Log.d("docs", Integer.toString(recentDocument.size()));
-
-        RecyclerView recyclerView = view.findViewById(R.id.home_item_recycler_view);
-
-        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
-
-        ListItemAdapter listItemAdapter = new ListItemAdapter(recentDocument);
-
-        recyclerView.setAdapter(listItemAdapter);
-
+        // Set status bar color
+        AppBarLayout appBarLayout = view.findViewById(R.id.app_bar_layout);
+        appBarLayout.addOnOffsetChangedListener((appBarLayout1, verticalOffset) -> {
+            if (Math.abs(verticalOffset) == appBarLayout1.getTotalScrollRange()) {
+                // Collapsed
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
+            } else if (verticalOffset == 0) {
+                // Expanded
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
+            }
+        });
         return view;
     }
 
@@ -86,31 +77,73 @@ public class HomeTopFragment extends Fragment {
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
 
-        CollapsingToolbarLayout collapsingToolbarLayout = view.findViewById(R.id.collapsing_toolbar);
-        Toolbar toolbar = view.findViewById(R.id.toolbar);
+        RecyclerView recyclerView = view.findViewById(R.id.home_item_recycler_view);
 
-        // Set the Toolbar
-        ((AppCompatActivity)getActivity()).setSupportActionBar(toolbar);
+        Toolbar toolbar = view.findViewById(R.id.home_toolbar);
+        toolbarSetup(toolbar, false, "ホーム");
 
-        // Set the title of the CollapsingToolbarLayout
-        collapsingToolbarLayout.setTitle("Lacerta");
-
-        AppBarLayout appBarLayout = view.findViewById(R.id.app_bar_layout);
-        appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
+        this.listItemAdapter = new ListItemAdapter(new DocumentSelectListener() {
             @Override
-            public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
-                if (Math.abs(verticalOffset) == appBarLayout.getTotalScrollRange()) {
-                    // Collapsed
-                    getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getActivity(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
-                } else if (verticalOffset == 0) {
-                    // Expanded
-                    getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getActivity(), one.nem.lacerta.shared.ui.R.color.colorSurface));
-                } else {
-                    // Somewhere in between
-                    // Here you can add a color transition if you want
-                }
+            public void onDocumentSelect(String documentId, String documentName) {
+                Intent intent = new Intent(getContext(), ViewerMainActivity.class);
+                Log.d("HomeTopFragment", "onDocumentSelect: " + documentId + " " + documentName);
+                intent.putExtra("documentId", documentId);
+                intent.putExtra("documentName", documentName);
+                startActivity(intent);
             }
         });
+        recyclerView.setAdapter(listItemAdapter);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        updateList();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        updateList();
+    }
+
+    private void updateList() {
+        lacertaLibrary.getRecentDocument(10).thenAccept(listItems -> {
+            if (listItems == null) {
+                return;
+            }
+            this.listItemAdapter.setListItems(listItems);
+            getActivity().runOnUiThread(() -> {
+                Log.d("HomeTopFragment", "onViewCreated: " + listItems.size());
+                if (FeatureSwitch.RecyclerView.useSimpleNotifyMethod) {
+                    this.listItemAdapter.notifyDataSetChanged();
+                } else {
+                    // IndexOutOfBoundsExceptionを吐くことがあったので いったん
+                    this.listItemAdapter.notifyItemRangeInserted(0, listItems.size() - 1);
+                }
+            });
+        });
+    }
+
+    /**
+     * ToolbarをInitする
+     *
+     * @param toolbar Toolbar
+     * @param showBackButton 戻るボタンを表示するか
+     * @param title タイトル
+     */
+    private void toolbarSetup(Toolbar toolbar, boolean showBackButton, String title) {
+        getActivity().runOnUiThread(() -> {
+            if (showBackButton) {
+                toolbar.setNavigationIcon(one.nem.lacerta.shared.ui.R.drawable.arrow_back_24px);
+                toolbar.setNavigationOnClickListener(v -> {
+                    //this.libraryItemPage = lacertaLibrary.getLibraryPage(this.libraryItemPage.getParentId(), 10).join();
+                    // Back
+                    Navigation.findNavController(requireView()).popBackStack();
+                });
+            } else {
+                toolbar.setNavigationIcon(null);
+            }
+            toolbar.setTitle(title);
+        });
     }
 }
 

feature/home/src/main/java/one/nem/lacerta/feature/home/ListItemAdapter.java

@@ -1,5 +1,6 @@
 package one.nem.lacerta.feature.home;
 
+import android.content.Intent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -11,13 +12,21 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import java.util.ArrayList;
 
+import one.nem.lacerta.component.viewer.ViewerMainActivity;
 import one.nem.lacerta.model.ListItem;
 
 public class ListItemAdapter extends RecyclerView.Adapter<ListItemAdapter.ListItemViewHolder>{
 
     ArrayList<ListItem> listItems;
 
-    public ListItemAdapter(ArrayList<ListItem> listItems){
+    DocumentSelectListener listener;
+
+    public ListItemAdapter(DocumentSelectListener listener){
+        this.listItems = new ArrayList<>();
+        this.listener = listener;
+    }
+
+    public void setListItems(ArrayList<ListItem> listItems) {
         this.listItems = listItems;
     }
 
@@ -35,11 +44,19 @@ public class ListItemAdapter extends RecyclerView.Adapter<ListItemAdapter.ListIt
         holder.icon.setColorFilter(one.nem.lacerta.shared.ui.R.color.colorOnSurface);
         holder.title.setText(listItem.getTitle());
         holder.description.setText(listItem.getDescription());
+
+        holder.itemView.setOnClickListener( v -> {
+            listener.onDocumentSelect(listItem.getItemId(), listItem.getTitle());
+        });
     }
 
     @Override
     public int getItemCount() {
-        return listItems.size();
+        if (listItems == null) {
+            return 0;
+        } else {
+            return listItems.size();
+        }
     }
 
     public static class ListItemViewHolder extends RecyclerView.ViewHolder{

feature/home/src/main/res/layout/fragment_home_top.xml

@@ -29,7 +29,7 @@
                 app:layout_scrollFlags="scroll|exitUntilCollapsed">
 
                 <androidx.appcompat.widget.Toolbar
-                    android:id="@+id/toolbar"
+                    android:id="@+id/home_toolbar"
                     android:layout_width="match_parent"
                     android:layout_height="?attr/actionBarSize"
                     app:layout_collapseMode="pin"

feature/library/build.gradle

@@ -5,7 +5,7 @@ plugins {
 
 android {
     namespace 'one.nem.lacerta.feature.library'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26
@@ -51,5 +51,9 @@ dependencies {
 
     implementation project(':data')
 
+    implementation project(':utils')
+
+    implementation project(':component:viewer')
+
 
 }

feature/library/src/main/java/one/nem/lacerta/feature/library/DocumentSelectListener.java

@@ -0,0 +1,6 @@
+package one.nem.lacerta.feature.library;
+
+public interface DocumentSelectListener {
+    void onFolderSelected(String folderId, String folderName);
+    void onDocumentSelected(String documentId, String documentName);
+}

feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryArchiveFragment.java

@@ -1,38 +0,0 @@
-package one.nem.lacerta.feature.library;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.View;
-import android.widget.TextView;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-// LibraryArchiveFragment.java
-
-//画面変移用のコード
-//Fragmentへのデータの受け渡し機能
-public class LibraryArchiveFragment extends AppCompatActivity {
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.fragment_library_top);
-
-        // ここに入力された内容を表示する機能
-        TextView textView = findViewById(R.id.document_list);
-
-        textView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                // 文字をタップしたときの処理
-
-                // 移動先のアクティビティを指定
-                Intent intent = new Intent(LibraryArchiveFragment.this, LibraryDocFragment.class);
-
-                // データを付加する
-                intent.putExtra("key_name", "value_data");
-
-                startActivity(intent);
-            }
-        });
-    }
-}

feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryDocFragment.java

@@ -1,5 +1,9 @@
 package one.nem.lacerta.feature.library;
 
+/*
+Currently, this file is not used in the app.
+ */
+
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;

feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryPageFragment.java

@@ -0,0 +1,277 @@
+package one.nem.lacerta.feature.library;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.content.ContextCompat;
+import androidx.fragment.app.Fragment;
+import androidx.navigation.Navigation;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.component.viewer.ViewerMainActivity;
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.utils.FeatureSwitch;
+import one.nem.lacerta.utils.LacertaLogger;
+
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link LibraryPageFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class LibraryPageFragment extends Fragment {
+
+    // Variables
+    // このインスタンスで表示されているページ
+    LibraryItemPage libraryItemPage;
+
+    // Arguments
+    String folderId;
+    String title;
+    String parentId;
+
+
+    @Inject
+    LacertaLibrary lacertaLibrary;
+
+    @Inject
+    LacertaLogger logger;
+
+    ListItemAdapter listItemAdapter;
+
+    public LibraryPageFragment() {
+        // Required empty public constructor
+    }
+
+    public static LibraryPageFragment newInstance(String folderId, String title, String parentId) {
+        LibraryPageFragment fragment = new LibraryPageFragment();
+        Bundle args = new Bundle();
+        args.putString("folderId", folderId);
+        args.putString("title", title);
+        args.putString("publicPath", parentId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    public static LibraryPageFragment newInstance(String folderId) { // Back action
+        LibraryPageFragment fragment = new LibraryPageFragment();
+        Bundle args = new Bundle();
+        args.putString("folderId", folderId);
+        args.putString("title", null);
+        args.putString("publicPath", null);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    public static LibraryPageFragment newInstance() {
+        LibraryPageFragment fragment = new LibraryPageFragment();
+        Bundle args = new Bundle();
+        args.putString("folderId", null);
+        args.putString("title", null);
+        args.putString("publicPath", null);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_library_top, container, false);
+
+        // Set status bar color
+        AppBarLayout appBarLayout = view.findViewById(R.id.app_bar_layout);
+        appBarLayout.addOnOffsetChangedListener((appBarLayout1, verticalOffset) -> {
+            if (Math.abs(verticalOffset) == appBarLayout1.getTotalScrollRange()) {
+                // Collapsed
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
+            } else if (verticalOffset == 0) {
+                // Expanded
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
+            }
+        });
+        return view;
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        if (getArguments() != null) {
+            this.folderId = getArguments().getString("folderId"); // Required
+            if (getArguments().getString("title") == null && getArguments().getString("publicPath") == null) {
+                this.libraryItemPage = new LibraryItemPage();
+            } else {
+                this.title = getArguments().getString("title");
+                this.parentId = getArguments().getString("publicPath");
+            }
+        } else {
+            logger.debug("LibraryTopFragment", "getArguments() is null(maybe root)");
+            this.libraryItemPage = new LibraryItemPage();
+        }
+
+        // Toolbar Setup
+        toolbarSetup(view.findViewById(R.id.library_toolbar), this.folderId != null, this.title != null ? this.title : "ライブラリ");
+
+        // RecyclerView Setup
+
+        RecyclerView recyclerView = view.findViewById(R.id.library_item_recycler_view);
+        this.listItemAdapter = new ListItemAdapter(new DocumentSelectListener() {
+            @Override
+            public void onFolderSelected(String folderId, String folderName) {
+                logger.debug("LibraryTopFragment", "Folder selected! folderId: " + folderId + ", folderName: " + folderName);
+//                // 画面遷移
+//                FragmentNavigation fragmentNavigation = (FragmentNavigation) getActivity();
+//                // folderId: 推移先で表示するフォルダのID, folderName: 推移先で表示するフォルダの名前, parentId: このフラグメントで表示しているフォルダのID(推移先の親)
+//                fragmentNavigation.navigateToFragment(LibraryPageFragment.newInstance(folderId, folderName, libraryItemPage != null ? libraryItemPage.getParentId() : null), false);
+                Bundle bundle = new Bundle();
+                bundle.putString("folderId", folderId);
+                bundle.putString("title", folderName);
+                bundle.putString("publicPath", libraryItemPage != null ? libraryItemPage.getParentId() : null);
+                try {
+                    Navigation.findNavController(requireView()).navigate(R.id.action_feature_library_top_fragment_self, bundle);
+                } catch (IllegalStateException e) {
+                    logger.error("LibraryTopFragment", "IllegalStateException: " + e.getMessage());
+                }
+            }
+
+            @Override
+            public void onDocumentSelected(String documentId, String documentName) {
+                Intent intent = new Intent(getContext(), ViewerMainActivity.class);
+                logger.debug("LibraryTopFragment", "Document selected! documentId: " + documentId + ", documentName: " + documentName);
+                intent.putExtra("documentId", documentId);
+                intent.putExtra("documentName", documentName);
+                startActivity(intent);
+            }
+        });
+
+        recyclerView.setAdapter(listItemAdapter);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        // Get library page and update RecyclerView items
+        lacertaLibrary.getLibraryPage(this.folderId, 10).thenAccept(libraryItemPage -> {
+            this.libraryItemPage = libraryItemPage;
+
+            if (this.parentId == null) {
+                this.parentId = libraryItemPage.getParentId();
+            }
+            if (this.title == null) {
+                this.title = libraryItemPage.getPageTitle();
+                // Toolbar init again
+                toolbarSetup(view.findViewById(R.id.library_toolbar), this.folderId != null, this.title != null ? this.title : "ライブラリ");
+            }
+
+            logger.debug("LibraryTopFragment", "Item selected! Total item page: " + this.libraryItemPage.getListItems().size());
+            if (!FeatureSwitch.RecyclerView.useSimpleNotifyMethod) {
+                getActivity().runOnUiThread(() -> { // TODO-rca: 実行条件を考える？
+                    listItemAdapter.notifyItemRangeRemoved(0, this.libraryItemPage.getListItems().size() - 1);
+                });
+            }
+            listItemAdapter.setLibraryItemPage(this.libraryItemPage);
+            getActivity().runOnUiThread(() -> {
+                if (FeatureSwitch.RecyclerView.useSimpleNotifyMethod) {
+                    listItemAdapter.notifyDataSetChanged();
+                } else {
+                    listItemAdapter.notifyItemRangeInserted(0, this.libraryItemPage.getListItems().size() - 1);
+                }
+            });
+        });
+    }
+
+    /**
+     * Currentにフォルダを作成する
+     */
+    private void createFolder(String pageId) {
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireContext());
+        builder.setTitle("フォルダの作成");
+        builder.setMessage("フォルダ名を入力してください");
+
+        View view = LayoutInflater.from(requireContext()).inflate(one.nem.lacerta.shared.ui.R.layout.lacerta_dialog_edit_text_layout, null);
+        final com.google.android.material.textfield.TextInputEditText input = view.findViewById(one.nem.lacerta.shared.ui.R.id.custom_edit_text);
+        final com.google.android.material.textfield.TextInputLayout inputLayout = view.findViewById(one.nem.lacerta.shared.ui.R.id.custom_text_input_layout);
+        inputLayout.setHint("フォルダ名");
+
+        builder.setView(view);
+
+        builder.setPositiveButton("作成", (dialog, which) -> {
+            lacertaLibrary.createFolder(pageId, input.getText().toString()).thenAccept(folderId -> {
+                // Refresh
+                updateItem(pageId);
+            });
+        });
+        builder.setNegativeButton("キャンセル", (dialog, which) -> {
+            dialog.cancel();
+        });
+
+        builder.show();
+    }
+
+    /**
+     * RecyclerViewのアイテムを更新する
+     */
+    private void updateItem(String pageId) {
+        lacertaLibrary.getLibraryPage(pageId, 10).thenAccept(libraryItemPage -> {
+            this.libraryItemPage = libraryItemPage;
+            logger.debug("LibraryTopFragment", "Item selected! libraryItemPage.getListItems().size(): " + libraryItemPage.getListItems().size());
+            getActivity().runOnUiThread(() -> {
+                listItemAdapter.notifyItemRangeRemoved(0, libraryItemPage.getListItems().size() - 1);
+            });
+            listItemAdapter.setLibraryItemPage(libraryItemPage);
+            getActivity().runOnUiThread(() -> {
+                listItemAdapter.notifyItemRangeInserted(0, libraryItemPage.getListItems().size() - 1);
+            });
+        });
+    }
+
+    /**
+     * ToolbarをInitする
+     *
+     * @param toolbar Toolbar
+     * @param showBackButton 戻るボタンを表示するか
+     * @param title タイトル
+     */
+    private void toolbarSetup(Toolbar toolbar, boolean showBackButton, String title) {
+        getActivity().runOnUiThread(() -> {
+            if (showBackButton) {
+                toolbar.setNavigationIcon(one.nem.lacerta.shared.ui.R.drawable.arrow_back_24px);
+                toolbar.setNavigationOnClickListener(v -> {
+                    //this.libraryItemPage = lacertaLibrary.getLibraryPage(this.libraryItemPage.getParentId(), 10).join();
+                    // Back
+                    Navigation.findNavController(requireView()).popBackStack();
+                });
+            } else {
+                toolbar.setNavigationIcon(null);
+            }
+            toolbar.setTitle(title);
+            toolbar.getMenu().clear();
+            toolbar.inflateMenu(R.menu.dir_menu);
+            toolbar.setOnMenuItemClickListener(item -> {
+                if (item.getItemId() == R.id.menu_item_create_new_folder) {
+                    createFolder(this.folderId);
+                    return true;
+                } else {
+                    return false;
+                }
+            });
+        });
+    }
+}

feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryTopFragment.java

@@ -1,106 +0,0 @@
-package one.nem.lacerta.feature.library;
-
-import android.os.Bundle;
-
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ArrayAdapter;
-import android.widget.ListView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.inject.Inject;
-
-import dagger.hilt.android.AndroidEntryPoint;
-import one.nem.lacerta.data.Document;
-import one.nem.lacerta.model.document.DocumentMeta;
-import one.nem.lacerta.model.document.tag.DocumentTag;
-
-
-
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link LibraryTopFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-@AndroidEntryPoint
-public class LibraryTopFragment extends Fragment {
-
-//    @Inject
-//    Document document;
-
-    // TODO: Rename parameter arguments, choose names that match
-    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-    private static final String ARG_PARAM1 = "param1";
-    private static final String ARG_PARAM2 = "param2";
-
-    // TODO: Rename and change types of parameters
-    private String mParam1;
-    private String mParam2;
-
-    public LibraryTopFragment() {
-        // Required empty public constructor
-    }
-
-    /**
-     * Use this factory method to create a new instance of
-     * this fragment using the provided parameters.
-     *
-     * @param param1 Parameter 1.
-     * @param param2 Parameter 2.
-     * @return A new instance of fragment LibraryTopFragment.
-     */
-    // TODO: Rename and change types and number of parameters
-    public static LibraryTopFragment newInstance(String param1, String param2) {
-        LibraryTopFragment fragment = new LibraryTopFragment();
-        Bundle args = new Bundle();
-        args.putString(ARG_PARAM1, param1);
-        args.putString(ARG_PARAM2, param2);
-        fragment.setArguments(args);
-        return fragment;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
-            mParam2 = getArguments().getString(ARG_PARAM2);
-        }
-    }
-
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        View view = inflater.inflate(R.layout.fragment_library_top, container, false);
-
-        // Use view.findViewById instead of findViewById
-        RecyclerView documentRecyclerView = view.findViewById(R.id.document_list);
-
-        LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
-        documentRecyclerView.setLayoutManager(layoutManager);
-
-        //データを取得
-
-//        List<DocumentMeta>  metas = document.getAllDocumentMetas(100);
-
-//        Toast.makeText(getContext(), "Documents: " + Integer.toString(metas.size()), Toast.LENGTH_LONG).show();
-
-// Create and set the adapter
-//        DocumentAdapter adapter = new DocumentAdapter(metas);
-//        documentRecyclerView.setAdapter(adapter);
-
-// Use a LinearLayoutManager to specify the layout
-        return view;
-    }
-}

feature/library/src/main/java/one/nem/lacerta/feature/library/ListItemAdapter.java

@@ -0,0 +1,75 @@
+package one.nem.lacerta.feature.library;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.ListItem;
+import one.nem.lacerta.model.ListItemType;
+
+public class ListItemAdapter extends RecyclerView.Adapter<ListItemAdapter.ListItemViewHolder>{
+
+    LibraryItemPage libraryItemPage;
+
+    DocumentSelectListener listener;
+
+
+    public ListItemAdapter(DocumentSelectListener listener) {
+        this.listener = listener;
+    }
+
+    public void setLibraryItemPage(LibraryItemPage libraryItemPage) {
+        this.libraryItemPage = libraryItemPage;
+    }
+
+    @NonNull
+    @Override
+    public ListItemViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(one.nem.lacerta.shared.ui.R.layout.common_list_item, parent, false);
+        return new ListItemViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ListItemViewHolder holder, int position) {
+        ListItem listItem = libraryItemPage.getListItems().get(position);
+        holder.icon.setImageResource(listItem.getItemType().getIconId());
+        holder.icon.setColorFilter(one.nem.lacerta.shared.ui.R.color.colorOnSurface);
+        holder.title.setText(listItem.getTitle());
+        holder.description.setText(listItem.getDescription());
+
+        holder.itemView.setOnClickListener( v -> {
+            if (listItem.getItemType() == ListItemType.ITEM_TYPE_DOCUMENT) {
+                listener.onDocumentSelected(listItem.getItemId(), listItem.getTitle());
+            }
+            else if (listItem.getItemType() == ListItemType.ITEM_TYPE_FOLDER) {
+                listener.onFolderSelected(listItem.getItemId(), listItem.getTitle());
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return this.libraryItemPage == null ? 0
+                : this.libraryItemPage.getListItems() == null ? 0 : this.libraryItemPage.getListItems().size();
+    }
+
+    public static class ListItemViewHolder extends RecyclerView.ViewHolder{
+
+        ImageView icon;
+        TextView title;
+        TextView description;
+        public ListItemViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            icon = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.item_icon);
+            title = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.item_title);
+            description = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.item_description);
+        }
+    }
+}

feature/library/src/main/res/layout/fragment_library_top.xml

@@ -1,32 +1,50 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:theme="@style/Theme.Lacerta"
-    tools:context=".LibraryTopFragment">
+    android:background="@color/colorSurface">
 
-    <com.google.android.material.appbar.MaterialToolbar
-        android:id="@+id/tool_bar"
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@color/colorPrimaryContainer"
-        android:minHeight="?attr/actionBarSize"
-        android:theme="?attr/actionBarTheme"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:title="Library"
-        app:titleTextColor="@color/colorOnPrimaryContainer" />
+        android:layout_height="match_parent">
 
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/document_list"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/tool_bar" />
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/library_toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="HOGE" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/library_item_recycler_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+
+</FrameLayout>

feature/library/src/main/res/menu/dir_menu.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/menu_item_create_new_folder"
+        android:icon="@drawable/create_new_folder_24px"
+        android:title="@string/create_new_folder"
+        app:showAsAction="never"/>
+
+</menu>

feature/library/src/main/res/navigation/feature_library_navigation.xml

@@ -6,7 +6,17 @@
     app:startDestination="@id/feature_library_top_fragment">
     <fragment
         android:id="@+id/feature_library_top_fragment"
-        android:name="one.nem.lacerta.feature.library.LibraryTopFragment"
+        android:name="one.nem.lacerta.feature.library.LibraryPageFragment"
         android:label="fragment_library_top"
-        tools:layout="@layout/fragment_library_top" />
+        tools:layout="@layout/fragment_library_top" >
+        <action
+            android:id="@+id/action_feature_library_top_fragment_self"
+            app:destination="@id/feature_library_top_fragment"
+            app:enterAnim="@anim/nav_default_enter_anim"
+            app:exitAnim="@anim/nav_default_exit_anim"
+            app:popEnterAnim="@anim/nav_default_pop_enter_anim"
+            app:popExitAnim="@anim/nav_default_pop_exit_anim"
+            app:popUpTo="@id/feature_library_top_fragment"
+            app:popUpToInclusive="false"/>
+    </fragment>
 </navigation>

feature/library/src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
     <string name="app_name">Library</string>
+    <string name="create_new_folder">新しいフォルダを作成</string>
 </resources>

feature/scan/build.gradle

@@ -4,7 +4,7 @@ plugins {
 
 android {
     namespace 'one.nem.lacerta.feature.scan'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26

feature/search/build.gradle

@@ -4,7 +4,7 @@ plugins {
 
 android {
     namespace 'one.nem.lacerta.feature.search'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26

feature/setting/build.gradle

@@ -1,5 +1,6 @@
 plugins {
     alias(libs.plugins.com.android.library)
+    id 'com.google.dagger.hilt.android'
 }
 
 android {
@@ -45,4 +46,14 @@ dependencies {
     // shared
     implementation project(':shared:ui')
 
+    implementation project(':component:common')
+
+    implementation project(':data')
+
+    implementation project(':model')
+
+    // https://mvnrepository.com/artifact/androidx.preference/preference
+    implementation 'androidx.preference:preference:1.2.1'
+
+
 }

feature/setting/src/main/java/one/nem/lacerta/setting/SettingScanPageFragment.java

@@ -2,8 +2,12 @@ package one.nem.lacerta.setting;
 
 import android.os.Bundle;
 
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.preference.PreferenceFragmentCompat;
 
+import android.preference.PreferenceFragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -18,6 +22,11 @@ public class SettingScanPageFragment extends Fragment {
     public SettingScanPageFragment() {
         // Required empty public constructor
     }
+//
+//    @Override
+//    public void onCreatePreferences(@Nullable Bundle savedInstanceState, @Nullable String rootKey) {
+////        addPreferencesFromResource(R.xml.scan_preferences);
+//    }
 
     public static SettingScanPageFragment newInstance() {
         SettingScanPageFragment fragment = new SettingScanPageFragment();
@@ -27,15 +36,14 @@ public class SettingScanPageFragment extends Fragment {
     }
 
     @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         // Inflate the layout for this fragment
         return inflater.inflate(R.layout.fragment_setting_scan_page, container, false);
     }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+    }
+
 }

feature/setting/src/main/java/one/nem/lacerta/setting/SettingTagManageFragment.java

@@ -0,0 +1,148 @@
+package one.nem.lacerta.setting;
+
+import android.os.Bundle;
+
+import androidx.appcompat.widget.Toolbar;
+import androidx.fragment.app.Fragment;
+import androidx.navigation.Navigation;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.component.common.LacertaCreateTagDialog;
+import one.nem.lacerta.component.common.LacertaCreateTagDialogListener;
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.model.document.tag.DocumentTag;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link SettingTagManageFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class SettingTagManageFragment extends Fragment {
+
+    @Inject
+    LacertaLibrary lacertaLibrary;
+
+    private RecyclerView recyclerView;
+
+    private TagListItemAdapter adapter;
+
+    public SettingTagManageFragment() {
+        // Required empty public constructor
+    }
+
+    public static SettingTagManageFragment newInstance() {
+        SettingTagManageFragment fragment = new SettingTagManageFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_setting_tag_manage, container, false);
+
+        // Toolbar
+        Toolbar toolbar = view.findViewById(R.id.tag_manage_toolbar);
+        toolbarSetup(toolbar, true, "タグ管理");
+
+        return view;
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        this.recyclerView = view.findViewById(R.id.tag_item_recycler_view);
+        this.adapter = new TagListItemAdapter((tagId, tagName, tagColor) -> {
+            Toast.makeText(getContext(), "Tag Clicked", Toast.LENGTH_SHORT).show();
+        });
+
+        recyclerView.setAdapter(adapter);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        updateTagList();
+    }
+
+    /**
+     * タグリストを更新する
+     */
+    private void updateTagList() {
+        lacertaLibrary.getTagList().thenAccept(documentTags -> {
+            int currentTagCount = this.adapter.getItemCount();
+            this.adapter.setDocumentTags(documentTags);
+            if (currentTagCount != this.adapter.getItemCount()) {
+                this.adapter.notifyItemRangeRemoved(0, currentTagCount);
+                this.adapter.notifyItemRangeInserted(0, this.adapter.getItemCount());
+            }
+        });
+    }
+
+    /**
+     * ToolbarをInitする
+     *
+     * @param toolbar Toolbar
+     * @param showBackButton 戻るボタンを表示するか
+     * @param title タイトル
+     */
+    private void toolbarSetup(Toolbar toolbar, boolean showBackButton, String title) {
+        getActivity().runOnUiThread(() -> {
+            if (showBackButton) {
+                toolbar.setNavigationIcon(one.nem.lacerta.shared.ui.R.drawable.arrow_back_24px);
+                toolbar.setNavigationOnClickListener(v -> {
+                    //this.libraryItemPage = lacertaLibrary.getLibraryPage(this.libraryItemPage.getParentId(), 10).join();
+                    // Back
+                    Navigation.findNavController(requireView()).popBackStack();
+                });
+            } else {
+                toolbar.setNavigationIcon(null);
+            }
+            toolbar.setTitle(title);
+            toolbar.getMenu().clear();
+            toolbar.inflateMenu(R.menu.setting_tag_manage_menu);
+            toolbar.setOnMenuItemClickListener(item -> {
+                if (item.getItemId() == R.id.setting_tag_manage_menu_add) {
+                    Toast.makeText(getContext(), "Add Clicked", Toast.LENGTH_SHORT).show();
+                    LacertaCreateTagDialog dialog = new LacertaCreateTagDialog();
+                    dialog.setListener(new LacertaCreateTagDialogListener() {
+                        @Override
+                        public void onPositiveClick(String tagName, String tagColor) {
+                            Toast.makeText(getContext(), "Positive Clicked", Toast.LENGTH_SHORT).show();
+                            DocumentTag newTag = new DocumentTag();
+                            newTag.setName(tagName);
+                            newTag.setColor(tagColor);
+                            lacertaLibrary.createTag(newTag).join();
+                            updateTagList();
+                        }
+
+                        @Override
+                        public void onNegativeClick() {
+                            Toast.makeText(getContext(), "Negative Clicked", Toast.LENGTH_SHORT).show();
+                            updateTagList();
+                        }
+                    });
+                    dialog.show(getParentFragmentManager(), "create_tag_dialog");
+                    return true;
+                } else {
+                    return false;
+                }
+            });
+        });
+    }
+}

feature/setting/src/main/java/one/nem/lacerta/setting/SettingTopFragment.java

@@ -1,15 +1,16 @@
 package one.nem.lacerta.setting;
 
 import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
 
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
+import com.google.android.material.appbar.AppBarLayout;
 
 import java.util.ArrayList;
 
@@ -73,6 +74,15 @@ public class SettingTopFragment extends Fragment {
                 )
         );
 
+        settingListItems.add(
+                new SettingListItem(
+                        "タグ管理", // TODO-rca: リソースに移動
+                        "タグの追加・編集・削除", // TODO-rca: リソースに移動
+                        ContextCompat.getDrawable(getContext(), one.nem.lacerta.shared.ui.R.drawable.sell_24px),
+                        R.id.action_settingTopFragment_to_settingTagManageFragment
+                )
+        );
+
         settingListItems.add(
                 new SettingListItem(
                         getResources().getString(one.nem.lacerta.shared.ui.R.string.setting_top_about_title),
@@ -87,6 +97,17 @@ public class SettingTopFragment extends Fragment {
         recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
         recyclerView.setAdapter(new ListItemAdapter(settingListItems));
 
+        // Set status bar color
+        AppBarLayout appBarLayout = view.findViewById(R.id.app_bar_layout);
+        appBarLayout.addOnOffsetChangedListener((appBarLayout1, verticalOffset) -> {
+            if (Math.abs(verticalOffset) == appBarLayout1.getTotalScrollRange()) {
+                // Collapsed
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
+            } else if (verticalOffset == 0) {
+                // Expanded
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
+            }
+        });
         return view;
     }
 }

feature/setting/src/main/java/one/nem/lacerta/setting/TagListItemAdapter.java

@@ -0,0 +1,69 @@
+package one.nem.lacerta.setting;
+
+import android.graphics.Color;
+import android.media.Image;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+
+import one.nem.lacerta.model.document.tag.DocumentTag;
+
+public class TagListItemAdapter extends RecyclerView.Adapter<TagListItemAdapter.TagListItemViewHolder> {
+
+    ArrayList<DocumentTag> documentTags;
+
+    TagListItemSelectListener listener;
+
+    public TagListItemAdapter(TagListItemSelectListener listener) {
+        this.listener = listener;
+    }
+
+    public void setDocumentTags(ArrayList<DocumentTag> documentTags) {
+        this.documentTags = documentTags;
+    }
+
+    @NonNull
+    @Override
+    public TagListItemViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(one.nem.lacerta.shared.ui.R.layout.tag_list_full_item, parent, false);
+        return new TagListItemViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull TagListItemViewHolder holder, int position) {
+        DocumentTag documentTag = documentTags.get(position);
+
+        holder.tag_name.setText(documentTag.getName());
+        try {
+            holder.tag_icon.setColorFilter(Color.parseColor(documentTag.getColor()));
+        } catch (Exception e) {
+            holder.tag_name.setText("Sorry, Parse Error occurred");
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return documentTags == null ? 0 : documentTags.size();
+    }
+
+    public static class TagListItemViewHolder extends RecyclerView.ViewHolder {
+
+        ImageView tag_icon;
+        TextView tag_name;
+
+        public TagListItemViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            tag_icon = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.tag_icon);
+            tag_name = itemView.findViewById(one.nem.lacerta.shared.ui.R.id.tag_name);
+
+        }
+    }
+}

feature/setting/src/main/java/one/nem/lacerta/setting/TagListItemSelectListener.java

@@ -0,0 +1,6 @@
+package one.nem.lacerta.setting;
+
+public interface TagListItemSelectListener {
+
+    void onTagListItemSelect(String tagId, String tagName, String tagColor);
+}

feature/setting/src/main/res/layout/fragment_setting_about_page.xml

@@ -1,14 +1,79 @@
-<?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".SettingAboutPageFragment">
+    android:background="@color/colorSurface">
 
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="@string/hello_blank_fragment" />
+        android:layout_height="match_parent">
+
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="@string/setting_top_about_title" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" >
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                android:padding="32dp"
+                android:background="@drawable/rounded_secondary_container" >
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Work in Progress..."
+                    android:textSize="24sp"
+                    android:textColor="@color/colorOnSurfaceSecondary"/>
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="実装中..."
+                    android:textSize="16sp"
+                    android:textColor="@color/colorOnSurfaceSecondary"/>
+
+            </LinearLayout>
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 </FrameLayout>

feature/setting/src/main/res/layout/fragment_setting_data_page.xml

@@ -1,14 +1,79 @@
-<?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".SettingDataPageFragment">
+    android:background="@color/colorSurface">
 
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="@string/hello_blank_fragment" />
+        android:layout_height="match_parent">
+
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="@string/setting_top_data_title" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" >
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                android:padding="32dp"
+                android:background="@drawable/rounded_secondary_container" >
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Work in Progress..."
+                    android:textSize="24sp"
+                    android:textColor="@color/colorOnSurfaceSecondary"/>
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="実装中..."
+                    android:textSize="16sp"
+                    android:textColor="@color/colorOnSurfaceSecondary"/>
+
+            </LinearLayout>
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 </FrameLayout>

feature/setting/src/main/res/layout/fragment_setting_display_page.xml

@@ -1,14 +1,79 @@
-<?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".SettingDisplayPageFragment">
+    android:background="@color/colorSurface">
 
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="@string/hello_blank_fragment" />
+        android:layout_height="match_parent">
+
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="@string/setting_top_display_title" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" >
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                android:padding="32dp"
+                android:background="@drawable/rounded_secondary_container" >
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Work in Progress..."
+                    android:textSize="24sp"
+                    android:textColor="@color/colorOnSurfaceSecondary"/>
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="実装中..."
+                    android:textSize="16sp"
+                    android:textColor="@color/colorOnSurfaceSecondary"/>
+
+            </LinearLayout>
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 </FrameLayout>