代替としてStoreで管理するように

fixUI

.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

@@ -4,7 +4,6 @@
   <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">
@@ -23,13 +22,14 @@
             <option value="$PROJECT_DIR$/feature/library" />
             <option value="$PROJECT_DIR$/feature/scan" />
             <option value="$PROJECT_DIR$/feature/search" />
+            <option value="$PROJECT_DIR$/feature/setting" />
             <option value="$PROJECT_DIR$/model" />
             <option value="$PROJECT_DIR$/processor" />
             <option value="$PROJECT_DIR$/shared" />
-            <option value="$PROJECT_DIR$/shared/icon" />
             <option value="$PROJECT_DIR$/shared/ui" />
             <option value="$PROJECT_DIR$/source" />
             <option value="$PROJECT_DIR$/utils" />
+            <option value="$PROJECT_DIR$/vcs" />
           </set>
         </option>
         <option name="resolveExternalAnnotations" value="false" />

.idea/misc.xml

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

PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,18 @@
+# 概要
+<!-- PRの概要 -->
+
+# 関連Issue
+- #000 <!-- 関連するIssueを指定(なければ省略可) -->
+
+# 詳細
+<!-- 詳細 -->
+
+# 影響箇所
+<!-- 予想される影響箇所 -->
+
+# チェック
+<!-- 参考用, 全てにチェックがついている必要があるわけではありません -->
+- [ ] 機能として完成している
+  - [ ] WIP(Work in progress: 作業中)
+- [ ] 正常にビルド/起動ができる
+- [ ] 既存の機能を壊していない

README.md

@@ -7,6 +7,44 @@ WIP
 ## メモ
 - アイコン: Google Material Icons https://fonts.google.com/icons (Weight:300, Grade:0, Optical size: 24px)
 
+## モジュール構成
+### 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
+  - `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)
+- `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
+  - `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)
+
+
 ## 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

app/build.gradle

@@ -59,32 +59,6 @@ dependencies {
     androidTestImplementation libs.androidx.test.ext.junit
     androidTestImplementation libs.androidx.test.espresso.core
 
-    // 内部モジュール
-    // Feature
-    implementation project(':feature:home')
-    implementation project(':feature:search')
-    implementation project(':feature:library')
-    implementation project(':feature:scan')
-    implementation project(':feature:debug')  // デバッグメニュー
-
-//    // Component
-//    implementation project(':component:common')
-//    implementation project(':component:scanner')
-//    implementation project(':component:viewer')
-
-//    // Data
-//    implementation project(':data:repository')
-//
-//    // Source
-//    implementation project(':data:source:database')
-//    implementation project(':data:source:preference')
-//
-    implementation project(':data')
-
-    implementation project(':shared:ui')
-
-    implementation project(':shared:icon')
-
     // Hilt (DI)
     implementation libs.com.google.dagger.hilt.android
     annotationProcessor libs.com.google.dagger.hilt.compiler
@@ -94,4 +68,18 @@ dependencies {
     implementation libs.navigation.ui
     implementation libs.navigation.dynamic.features.fragment
 
+    // Feature
+    implementation project(':feature:home')
+    implementation project(':feature:search')
+    implementation project(':feature:library')
+    implementation project(':feature:scan')
+    implementation project(':feature:debug')  // デバッグメニュー
+    implementation project(':feature:setting')  // 設定画面
+
+    implementation project(':data')
+    implementation project(':shared:ui')
+
+    implementation project(':model')
+
+    implementation project(':utils')
 }

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

@@ -1,6 +1,7 @@
 package one.nem.lacerta;
 
 import android.app.Application;
+import android.util.Log;
 
 import com.google.android.material.color.DynamicColors;
 
@@ -12,7 +13,13 @@ public class LacertaApplication extends Application {
     public void onCreate() {
         super.onCreate();
 
-        // DynamicColorを有効化
-        DynamicColors.applyToActivitiesIfAvailable(this);
+        if (DynamicColors.isDynamicColorAvailable()) {
+            Log.d("DynamicColors", "DynamicColors is available. Applying to activities...");
+            DynamicColors.applyToActivitiesIfAvailable(this);
+        } else {
+            Log.d("DynamicColors", "DynamicColors is not available.");
+        }
+
     }
+
 }

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

@@ -1,40 +1,157 @@
 package one.nem.lacerta;
 
 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.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.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 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);
 
-        // Debug
-        FragmentManager supportFragmentManager = getSupportFragmentManager();
-
-        NavHostFragment navHostFragment = (NavHostFragment) supportFragmentManager.findFragmentById(R.id.nav_host_fragment);
-        NavController navController = navHostFragment.getNavController();
         BottomNavigationView bottomNavigationView = findViewById(R.id.bottom_nav);
 
-        NavigationUI.setupWithNavController(bottomNavigationView, navController);
+        // Initialize app
+        if (sharedPrefUtils.getIsFirstLaunch()) initializeApp();
 
-        Toast.makeText(this, "testMessage", Toast.LENGTH_SHORT).show();
+        // Init navigation
+        try {
+            FragmentManager supportFragmentManager = getSupportFragmentManager();
+            NavHostFragment navHostFragment = (NavHostFragment) supportFragmentManager.findFragmentById(R.id.nav_host_fragment);
+            assert navHostFragment != null;
+            NavController navController = navHostFragment.getNavController();
+            NavigationUI.setupWithNavController(bottomNavigationView, navController);
+        }
+        catch (Exception e) {
+            Log.e("Init", "Failed to init navigation");
+            Log.e("Init", "Searchable Error code: " + "894b5941-3bc0-46fe-b752-0dbc88be29a8");
+            Toast.makeText(this, "Failed to init navigation", Toast.LENGTH_LONG).show();
+            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));
+
+    }
+    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/layout/activity_main.xml

@@ -18,15 +18,20 @@
         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"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:background="@color/colorSecondaryContainer"
+        app:itemIconTint="@color/colorOnSecondaryContainer"
+        app:itemTextColor="@color/colorOnSecondaryContainer"
+        app:itemActiveIndicatorStyle="@style/Lacerta.Custom.Indicator"
+        app:labelVisibilityMode="selected"
         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" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -4,17 +4,26 @@
     <item
         android:id="@id/feature_home_navigation"
         android:icon="@drawable/home_24px"
-        android:title="Home"/>
+        android:title="@string/home_title"/>
+
+    <item
+        android:id="@id/feature_search_navigation"
+        android:icon="@drawable/search_24px"
+        android:title="@string/search_title"/>
 
     <item
         android:id="@id/feature_library_navigation"
         android:icon="@drawable/folder_24px"
-        android:title="Library"/>
+        android:title="@string/library_title"/>
 
     <item
         android:id="@id/feature_debug_navigation"
         android:icon="@drawable/developer_mode_24px"
-        android:title="Debug menu"/>
+        android:title="@string/debug_menu_title" />
 
+    <item
+        android:id="@id/feature_setting_navigation"
+        android:icon="@drawable/settings_24px"
+        android:title="@string/setting_title"/>
 
 </menu>

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" />
 
@@ -10,5 +10,9 @@
 
     <include app:graph="@navigation/feature_home_navigation" />
 
+    <include app:graph="@navigation/feature_search_navigation" />
+
+    <include app:graph="@navigation/feature_setting_navigation" />
+
 
 </navigation>

component/common/build.gradle

@@ -4,7 +4,7 @@ plugins {
 
 android {
     namespace 'one.nem.lacerta.component.common'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26
@@ -32,4 +32,6 @@ dependencies {
     testImplementation libs.junit
     androidTestImplementation libs.androidx.test.ext.junit
     androidTestImplementation libs.androidx.test.espresso.core
+
+    implementation project(':shared:ui')
 }

component/scanner/build.gradle

@@ -5,7 +5,7 @@ plugins {
 
 android {
     namespace 'one.nem.lacerta.component.scanner'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26
@@ -30,6 +30,8 @@ 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
@@ -46,4 +48,8 @@ dependencies {
     implementation project(':processor')
 
     implementation project(':utils')
+
+    implementation project(':vcs')
+
+    implementation project(':data')
 }

component/scanner/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=".ScannerManagerActivity"
+            android:exported="false" />
+    </application>
+
 </manifest>

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

@@ -123,109 +123,110 @@ public class ScannerDataManagerStubFragment extends Fragment {
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
 
-        view.findViewById(R.id.button_call_camera).setOnClickListener(v -> {
-            Log.d("ScannerDataManagerStubFragment", "button_call_camera clicked");
-            Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
-            if (takePictureIntent.resolveActivity(getActivity().getPackageManager()) != null) {
-                File photoFile = null;
-                try {
-                    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US).format(new Date());
-                    String imageFileName = "JPEG_" + timeStamp + "_";
-                    File storageDir = getActivity().getExternalFilesDir(Environment.DIRECTORY_PICTURES);
-                    photoFile = File.createTempFile(imageFileName, ".jpg", storageDir);
-                } catch (IOException ex) {
-                    Log.e("ScannerDataManagerStubFragment", "Error occurred while creating the file", ex);
-                }
-                if (photoFile != null) {
-                    photoURI = FileProvider.getUriForFile(getActivity(), "one.nem.lacerta.provider", photoFile);
-                    takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
-                    cameraLauncher.launch(takePictureIntent);
-                }
-                else {
-                    Log.d("ScannerDataManagerStubFragment", "photoFile is null");
-                }
-            }
-            else {
-                Log.d("ScannerDataManagerStubFragment", "camera not available");
-            }
-            updateResults();
-        });
-
-        view.findViewById(R.id.button_create_documnent).setOnClickListener(v -> {
-            Log.d("ScannerDataManagerStubFragment", "button_create_documnent clicked");
-            Toast.makeText(getActivity(), "button_create_documnent clicked", Toast.LENGTH_LONG).show();
-
-            this.documentDetail = createSampleDocumentDetail();
-
-        });
-
-        view.findViewById(R.id.button_init_document_processor).setOnClickListener(v -> {
-            Log.d("ScannerDataManagerStubFragment", "button_init_document_processor clicked");
-            Toast.makeText(getActivity(), "button_init_document_processor clicked", Toast.LENGTH_LONG).show();
-            // TODO-rca: ここでDocumentProcessorを初期化する
-            if (this.documentDetail == null) {
-                Toast.makeText(getActivity(), "documentDetail is null", Toast.LENGTH_LONG).show();
-                return;
-            }
-            this.documentProcessor = documentProcessorFactory.create(this.documentDetail);
-            Toast.makeText(getActivity(), "documentProcessor created", Toast.LENGTH_LONG).show();
-            try {
-                this.documentProcessor.init();
-            } catch (Exception e) {
-                Toast.makeText(getActivity(), "Error occurred while initializing documentProcessor", Toast.LENGTH_LONG).show();
-                Log.e("ScannerDataManagerStubFragment", "Error occurred while initializing documentProcessor", e);
-            }
-            Toast.makeText(getActivity(), "documentProcessor initialized", Toast.LENGTH_LONG).show();
-        });
-
-        view.findViewById(R.id.button_add_page).setOnClickListener(v -> {
-            Log.d("ScannerDataManagerStubFragment", "button_add_page clicked");
-            Toast.makeText(getActivity(), "button_add_page clicked", Toast.LENGTH_LONG).show();
-            if (this.documentProcessor == null) {
-                Toast.makeText(getActivity(), "documentProcessor is null", Toast.LENGTH_LONG).show();
-                return;
-            }
-            Bitmap[] bitmaps = new Bitmap[results.size()];
-            for (int i = 0; i < results.size(); i++) {
-                bitmaps[i] = results.get(i).getBitmap();
-            }
-
-            try {
-                this.documentProcessor.addNewPagesToLast(bitmaps);
-            } catch (Exception e) {
-                Toast.makeText(getActivity(), "Error occurred while adding pages", Toast.LENGTH_LONG).show();
-                Log.e("ScannerDataManagerStubFragment", "Error occurred while adding pages", e);
-            }
-
-            Toast.makeText(getActivity(), "pages added", Toast.LENGTH_LONG).show();
-
-            try {
-                this.documentProcessor.close();
-            } catch (Exception e) {
-                Toast.makeText(getActivity(), "Error occurred while closing documentProcessor", Toast.LENGTH_LONG).show();
-                Log.e("ScannerDataManagerStubFragment", "Error occurred while closing documentProcessor", e);
-            }
-        });
+//        view.findViewById(R.id.button_call_camera).setOnClickListener(v -> {
+//            Log.d("ScannerDataManagerStubFragment", "button_call_camera clicked");
+//            Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+//            if (takePictureIntent.resolveActivity(getActivity().getPackageManager()) != null) {
+//                File photoFile = null;
+//                try {
+//                    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US).format(new Date());
+//                    String imageFileName = "JPEG_" + timeStamp + "_";
+//                    File storageDir = getActivity().getExternalFilesDir(Environment.DIRECTORY_PICTURES);
+//                    photoFile = File.createTempFile(imageFileName, ".jpg", storageDir);
+//                } catch (IOException ex) {
+//                    Log.e("ScannerDataManagerStubFragment", "Error occurred while creating the file", ex);
+//                }
+//                if (photoFile != null) {
+//                    photoURI = FileProvider.getUriForFile(getActivity(), "one.nem.lacerta.provider", photoFile);
+//                    takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
+//                    cameraLauncher.launch(takePictureIntent);
+//                }
+//                else {
+//                    Log.d("ScannerDataManagerStubFragment", "photoFile is null");
+//                }
+//            }
+//            else {
+//                Log.d("ScannerDataManagerStubFragment", "camera not available");
+//            }
+//            updateResults();
+//        });
+//
+//        view.findViewById(R.id.button_create_documnent).setOnClickListener(v -> {
+//            Log.d("ScannerDataManagerStubFragment", "button_create_documnent clicked");
+//            Toast.makeText(getActivity(), "button_create_documnent clicked", Toast.LENGTH_LONG).show();
+//
+//            this.documentDetail = createSampleDocumentDetail();
+//
+//        });
+//
+//        view.findViewById(R.id.button_init_document_processor).setOnClickListener(v -> {
+//            Log.d("ScannerDataManagerStubFragment", "button_init_document_processor clicked");
+//            Toast.makeText(getActivity(), "button_init_document_processor clicked", Toast.LENGTH_LONG).show();
+//            // TODO-rca: ここでDocumentProcessorを初期化する
+//            if (this.documentDetail == null) {
+//                Toast.makeText(getActivity(), "documentDetail is null", Toast.LENGTH_LONG).show();
+//                return;
+//            }
+//            this.documentProcessor = documentProcessorFactory.create(this.documentDetail);
+//            Toast.makeText(getActivity(), "documentProcessor created", Toast.LENGTH_LONG).show();
+//            try {
+//                this.documentProcessor.init();
+//            } catch (Exception e) {
+//                Toast.makeText(getActivity(), "Error occurred while initializing documentProcessor", Toast.LENGTH_LONG).show();
+//                Log.e("ScannerDataManagerStubFragment", "Error occurred while initializing documentProcessor", e);
+//            }
+//            Toast.makeText(getActivity(), "documentProcessor initialized", Toast.LENGTH_LONG).show();
+//        });
+//
+//        view.findViewById(R.id.button_add_page).setOnClickListener(v -> {
+//            Log.d("ScannerDataManagerStubFragment", "button_add_page clicked");
+//            Toast.makeText(getActivity(), "button_add_page clicked", Toast.LENGTH_LONG).show();
+//            if (this.documentProcessor == null) {
+//                Toast.makeText(getActivity(), "documentProcessor is null", Toast.LENGTH_LONG).show();
+//                return;
+//            }
+//            Bitmap[] bitmaps = new Bitmap[results.size()];
+//            for (int i = 0; i < results.size(); i++) {
+//                bitmaps[i] = results.get(i).getBitmap();
+//            }
+//
+//            try {
+//                this.documentProcessor.addNewPagesToLast(bitmaps);
+//            } catch (Exception e) {
+//                Toast.makeText(getActivity(), "Error occurred while adding pages", Toast.LENGTH_LONG).show();
+//                Log.e("ScannerDataManagerStubFragment", "Error occurred while adding pages", e);
+//            }
+//
+//            Toast.makeText(getActivity(), "pages added", Toast.LENGTH_LONG).show();
+//
+//            try {
+//                this.documentProcessor.close();
+//            } catch (Exception e) {
+//                Toast.makeText(getActivity(), "Error occurred while closing documentProcessor", Toast.LENGTH_LONG).show();
+//                Log.e("ScannerDataManagerStubFragment", "Error occurred while closing documentProcessor", e);
+//            }
+//        });
     }
 
     public DocumentDetail createSampleDocumentDetail() {
-
-        String id = UUID.randomUUID().toString();
-
-        Toast.makeText(getActivity(), "Generated id: " + id, Toast.LENGTH_LONG).show();
-        //logger.debug("CreateSample", "Generated id: " + id);
-
-        DocumentMeta meta = new DocumentMeta(
-                id,
-                "Sample" + DateTimeFormatter.ofPattern("yyyyMMddHHmmss").format(LocalDateTime.now()),
-                new Date(),
-                new Date());
-
-        DocumentPath path = new DocumentPath(
-                deviceInfoUtils.getExternalStorageDirectoryString(),
-                "Sample" + DateTimeFormatter.ofPattern("yyyyMMddHHmmss").format(LocalDateTime.now()));
-
-        return new DocumentDetail(meta, path, "SampleAuthor", "SampleDefaultBranch");
+//
+//        String id = UUID.randomUUID().toString();
+//
+//        Toast.makeText(getActivity(), "Generated id: " + id, Toast.LENGTH_LONG).show();
+//        //logger.debug("CreateSample", "Generated id: " + id);
+//
+//        DocumentMeta meta = new DocumentMeta(
+//                id,
+//                "Sample" + DateTimeFormatter.ofPattern("yyyyMMddHHmmss").format(LocalDateTime.now()),
+//                new Date(),
+//                new Date());
+//
+//        DocumentPath path = new DocumentPath(
+//                deviceInfoUtils.getExternalStorageDirectoryString(),
+//                "Sample" + DateTimeFormatter.ofPattern("yyyyMMddHHmmss").format(LocalDateTime.now()));
+//
+//        return new DocumentDetail(meta, path, "SampleAuthor", "SampleDefaultBranch");
+        return null;
     }
 
     @Override

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

@@ -0,0 +1,220 @@
+package one.nem.lacerta.component.scanner;
+
+import android.app.ProgressDialog;
+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.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.google.android.material.appbar.MaterialToolbar;
+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.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
+public class ScannerManagerActivity extends AppCompatActivity {
+
+    String TAG = "ScannerManagerActivity";
+
+    @Inject
+    LacertaLogger logger;
+
+    @Inject
+    Document document;
+
+    @Inject
+    DocumentProcessorFactory documentProcessorFactory;
+
+    @Inject
+    LacertaVcsFactory lacertaVcsFactory;
+
+    // Variables
+    private ArrayList<Bitmap> croppedImages = new ArrayList<>();
+
+    View view;
+
+    DocumentScanner documentScanner = new DocumentScanner(
+            this,
+            (croppedImageResults) -> {
+                logger.debug(TAG, "croppedImage size: " + croppedImageResults.size());
+                ArrayList<Bitmap> croppedImages = new ArrayList<>();
+                for (String result : croppedImageResults) {
+                    croppedImages.add(BitmapFactory.decodeFile(result));
+                }
+                processResult(croppedImages);
+                return null;
+            },
+            (errorMessage) -> {
+                // an error happened
+                logger.error(TAG, "Error: " + errorMessage);
+                logger.e_code("543a230e-cb9a-47a2-8131-3beecfe1c458");
+                return null;
+            },
+            () -> {
+                // user canceled document scan
+                logger.debug(TAG, "User canceled document scan");
+                return null;
+            },
+            null,
+            null,
+            null
+    );
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_scanner_manager);
+        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;
+        });
+
+        MaterialToolbar toolbar = findViewById(R.id.top_toolbar);
+        setSupportActionBar(toolbar);
+        Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
+
+        documentScanner.startScan();
+        // Init
+
+        this.view = findViewById(R.id.main); // TODO-rca:なんとかする
+
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(android.view.Menu menu) {
+        getMenuInflater().inflate(R.menu.scanner_result_toolbar, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(android.view.MenuItem item) {
+        if (item.getItemId() == R.id.action_save_new) {
+            // 新ドキュメントとして保存
+            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() == android.R.id.home) {
+            finish();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void processResult(ArrayList<Bitmap> resultImages) {
+        logger.debug(TAG, "processResult");
+
+        if (resultImages.isEmpty()) {
+            logger.debug(TAG, "resultImages(arg) is empty");
+            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);
+            }
+        } else {
+            logger.debug(TAG, "resultImages(arg) is not empty");
+            updateResultView(resultImages);
+            this.croppedImages = resultImages;
+        }
+
+    }
+
+    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
+        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();
+        });
+
+    }
+
+    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() {
+        logger.debug(TAG, "insertToExistDocument");
+        // TODO-rca: 実装
+    }
+
+    private void updateResultView(ArrayList<Bitmap> resultImages) {
+        logger.debug(TAG, "updateResultView");
+
+        LinearLayout resultView = findViewById(R.id.result_list_container);
+        ImageView selectedImage = findViewById(R.id.selected_image);
+        resultView.removeAllViews();
+
+        for (Bitmap resultImage : resultImages) {
+            View resultImageView = getLayoutInflater().inflate(R.layout.result_image_container_item, null);
+            ImageView imageView = resultImageView.findViewById(R.id.result_image);
+            imageView.setImageBitmap(resultImage);
+            imageView.setOnClickListener(v -> {
+
+                selectedImage.setImageBitmap(resultImage);
+
+                for (int i = 0; i < resultView.getChildCount(); i++) {
+                    View child = resultView.getChildAt(i).findViewById(R.id.result_image);
+                    child.setSelected(false);
+                }
+
+                v.setSelected(true);
+            });
+
+            resultView.addView(resultImageView);
+        }
+    }
+
+}

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

@@ -0,0 +1,95 @@
+package one.nem.lacerta.component.scanner;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.websitebeaver.documentscanner.DocumentScanner;
+import com.websitebeaver.documentscanner.DocumentScannerActivity;
+
+import java.util.Objects;
+
+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;
+
+
+@AndroidEntryPoint
+public class ScannerManagerFragment extends Fragment {
+
+    String TAG = getClass().getSimpleName();
+
+    @Inject
+    LacertaLogger logger;
+
+    @Inject
+    LacertaVcsFactory vcsFactory;
+
+    private static final boolean DEFAULT_SINGLE_PAGE = false;
+    private boolean singlePage;
+
+    public ScannerManagerFragment() {
+        // Required empty public constructor
+    }
+
+//    public static ScannerManagerFragment newInstance(boolean singlePage) {
+//        ScannerManagerFragment fragment = new ScannerManagerFragment();
+//        Bundle args = new Bundle();
+//        args.putBoolean("singlePage", singlePage);
+//        fragment.setArguments(args);
+//        return fragment;
+//    }
+
+    public static ScannerManagerFragment newInstance() {
+        ScannerManagerFragment fragment = new ScannerManagerFragment();
+        Bundle args = new Bundle();
+        args.putBoolean("singlePage", DEFAULT_SINGLE_PAGE);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            singlePage = getArguments().getBoolean("singlePage", DEFAULT_SINGLE_PAGE);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_scanner_manager, container, false);
+
+//        ViewGroup.LayoutParams layoutParams = new ViewGroup.LayoutParams(
+//                ViewGroup.LayoutParams.MATCH_PARENT,
+//                ViewGroup.LayoutParams.MATCH_PARENT
+//        );
+//        view.setLayoutParams(layoutParams);
+
+        return view;
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        // Init
+        logger.debug(TAG, "called");
+
+        view.findViewById(R.id.button_intent_scanner_manager_activity).setOnClickListener(v -> {
+            // DocumentScannerActivityを起動する
+            Intent intent = new Intent(requireActivity().getApplicationContext(), ScannerManagerActivity.class);
+            startActivity(intent);
+        });
+    }
+}

component/scanner/src/main/res/drawable/result_image_container_item_border.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true">
+        <shape android:shape="rectangle">
+            <solid android:color="#00000000" />
+            <corners android:radius="8dp" />
+            <stroke android:color="#FF0000" android:width="2dp" />
+        </shape>
+    </item>
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="#00000000" />
+            <corners android:radius="8dp" />
+        </shape>
+    </item>
+</selector>

component/scanner/src/main/res/layout/activity_scanner_manager.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:id="@+id/main"
+    android:theme="@style/Theme.Lacerta"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.appbar.MaterialToolbar
+        android:id="@+id/top_toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/colorPrimaryContainer"
+        app:titleTextColor="@color/colorOnPrimaryContainer"
+        app:title="Preview"
+        android:minHeight="?attr/actionBarSize"
+        android:theme="?attr/actionBarTheme"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <ImageView
+        android:id="@+id/selected_image"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_above="@+id/horizontal_scroll"
+        android:scaleType="centerInside"
+        app:layout_constraintBottom_toTopOf="@+id/horizontal_scroll"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/top_toolbar" />
+
+    <HorizontalScrollView
+        android:id="@+id/horizontal_scroll"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:scrollbars="none"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/selected_image">
+
+        <LinearLayout
+            android:id="@+id/result_list_container"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+
+        </LinearLayout>
+
+    </HorizontalScrollView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

component/scanner/src/main/res/layout/fragment_scanner_manager.xml

@@ -0,0 +1,17 @@
+<?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="match_parent"
+    tools:context=".ScannerManagerFragment">
+
+    <Button
+        android:id="@+id/button_intent_scanner_manager_activity"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="Button"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

component/scanner/src/main/res/layout/list_item_scanner_result.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/scanner/src/main/res/layout/result_image_container_item.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+
+    <ImageView
+        android:id="@+id/result_image"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:maxHeight="64dp"
+        android:adjustViewBounds="true"
+        android:background="@drawable/result_image_container_item_border"
+        android:padding="8dp"
+        android:scaleType="centerCrop" />
+
+</FrameLayout>

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

@@ -0,0 +1,14 @@
+<?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/action_save_new"
+        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"/>
+</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 +30,30 @@ 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')
+
 }

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/ComponentViewerTopFragment.java

@@ -0,0 +1,129 @@
+package one.nem.lacerta.component.viewer;
+
+import android.graphics.Bitmap;
+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 java.util.ArrayList;
+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.page.Page;
+import one.nem.lacerta.utils.LacertaLogger;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link ComponentViewerTopFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class ComponentViewerTopFragment extends Fragment {
+
+    @Inject
+    Document document;
+
+    @Inject
+    LacertaLogger logger;
+
+    private static final String TAG = "ComponentViewerTopFragment";
+
+    private String documentId;
+
+    public ComponentViewerTopFragment() {
+        // Required empty public constructor
+    }
+
+    public static ComponentViewerTopFragment newInstance(String documentId) {
+        ComponentViewerTopFragment fragment = new ComponentViewerTopFragment();
+        Bundle args = new Bundle();
+        args.putString("documentId", documentId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            documentId = getArguments().getString("documentId");
+        }
+    }
+
+    @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, "Revision List");
+
+        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);
+
+        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());
+            });
+        });
+
+        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 -> {
+                    //this.libraryItemPage = lacertaLibrary.getLibraryPage(this.libraryItemPage.getParentId(), 10).join();
+                    // Back
+                    Navigation.findNavController(requireView()).popBackStack();
+                });
+            } 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))
+                            .commit();
+                    return true;
+                } else {
+                    return false;
+                }
+            });
+        });
+    }
+}

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 +1,80 @@
+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.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+
+import one.nem.lacerta.model.VcsRevModel;
+import one.nem.lacerta.utils.FeatureSwitch;
+
+public class RevAdapter extends RecyclerView.Adapter<RevAdapter.RevViewHolder>{
+
+    private ArrayList<VcsRevModel> revModels;
+
+    public RevAdapter(ArrayList<VcsRevModel> revModels) {
+        this.revModels = revModels;
+    }
+
+    public RevAdapter() {
+    }
+
+    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);
+        holder.title.setText(revModel.getCommitMessage());
+        if (FeatureSwitch.Vcs.disableBranchDisplay) {
+//            holder.detail.setText(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(revModel.getCreatedAt().toInstant()));
+            holder.detail.setText("DateTimePlaceholder");
+        } else {
+            //        holder.detail.setText(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(revModel.getCreatedAt().toInstant()) + " " + revModel.getBranchName());
+            holder.detail.setText("DateTimePlaceholder" + " " + revModel.getBranchName());
+        }
+        holder.revId.setText("RevID: " + 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/ViewerMainActivity.java

@@ -0,0 +1,66 @@
+package one.nem.lacerta.component.viewer;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+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 androidx.fragment.app.FragmentManager;
+import androidx.navigation.NavController;
+import androidx.navigation.fragment.NavHostFragment;
+import androidx.navigation.ui.NavigationUI;
+
+import com.google.android.material.bottomnavigation.BottomNavigationView;
+
+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;
+
+    @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");
+        }
+        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, ComponentViewerTopFragment.newInstance(documentId))
+                .commit();
+    }
+}

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

@@ -0,0 +1,95 @@
+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;
+
+    public ViewerVcsRevListFragment() {
+        // Required empty public constructor
+    }
+
+    public static ViewerVcsRevListFragment newInstance(String documentId) {
+        ViewerVcsRevListFragment fragment = new ViewerVcsRevListFragment();
+        Bundle args = new Bundle();
+        args.putString("documentId", documentId);
+        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: " + documentId);
+        }
+
+        // Init vcs
+        lacertaVcs = lacertaVcsFactory.create(documentId);
+
+        // Init view
+        RecyclerView recyclerView = view.findViewById(R.id.rev_list);
+
+        // Init adapter
+        RevAdapter revAdapter = new RevAdapter();
+
+        // 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/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.ComponentViewerTopFragment"
+        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_component_viewer_top.xml

@@ -0,0 +1,51 @@
+<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>
+
+        </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 +1,7 @@
+<?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" />
+
+</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/componentViewerTopFragment">
+
+    <fragment
+        android:id="@+id/componentViewerTopFragment"
+        android:name="one.nem.lacerta.component.viewer.ComponentViewerTopFragment"
+        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/build.gradle

@@ -41,6 +41,9 @@ dependencies {
     // JGit
     implementation 'org.eclipse.jgit:org.eclipse.jgit:6.8.0.202311291450-r'
 
+    // Java Faker
+    implementation 'com.github.javafaker:javafaker:1.0.2'
+
     // Room
     implementation libs.androidx.room.runtime
     annotationProcessor libs.androidx.room.compiler
@@ -53,4 +56,6 @@ dependencies {
 
     // データソースモジュール
     implementation project(':source')
+
+    implementation project(':vcs')
 }

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

@@ -2,6 +2,7 @@ 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;
@@ -13,34 +14,13 @@ import one.nem.lacerta.model.document.tag.DocumentTag;
  */
 public interface Document {
 
-    ArrayList<DocumentMeta> getAllDocumentMetas(int limit);
+    CompletableFuture<DocumentDetail> createDocument(DocumentMeta meta);
 
-    ArrayList<DocumentMeta> getAllDocumentMetas(int limit, int offset);
+    CompletableFuture<DocumentDetail> createDocument();
 
-    /**
-     * 更新の新しいドキュメントから順に並べてlimit件取得する
-     * @param limit 取得する上限数
-     */
-    ArrayList<DocumentMeta> getRecentDocumentMetas(int limit);
+    CompletableFuture<Void> deleteDocument(String documentId);
 
-    /**
-     * 更新の新しいドキュメントから順に並べてoffset位置からlimit件取得する
-     * @param limit 取得する上限数
-     * @param offset 取得するオフセット
-     */
-    ArrayList<DocumentMeta> getRecentDocumentMetas(int limit, int offset);
+    CompletableFuture<Void> updateDocument(DocumentDetail detail);
 
-    /**
-     * ドキュメントIDからDocumentDetailを取得する
-     * @param id ドキュメントID
-     */
-    DocumentDetail getDocumentDetail(String id);
-
-    /**
-     * DocumentMetaからDocumentDetailを取得する
-     * @param meta DocumentMeta
-     */
-    DocumentDetail getDocumentDetailByMeta(DocumentMeta meta); // 簡単に使えるように
-
-    DocumentDetail createDocumentByMeta(DocumentMeta meta);
+    CompletableFuture<DocumentDetail> getDocument(String documentId);
 }

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

@@ -1,12 +0,0 @@
-package one.nem.lacerta.data;
-
-import one.nem.lacerta.model.document.DocumentMeta;
-import one.nem.lacerta.model.document.DocumentDetail;
-import one.nem.lacerta.model.document.path.DocumentPath;
-import one.nem.lacerta.model.document.tag.DocumentTag;
-
-public interface DocumentDebug {
-
-    void insertDocument(DocumentMeta meta, DocumentDetail detail);
-
-}

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

@@ -0,0 +1,29 @@
+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;
+
+public interface LacertaLibrary {
+
+    // Get History
+    CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit);
+    CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit, int offset);
+
+    // Get Library Page
+    CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit);
+    CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit, int offset);
+
+    // Create Folder
+    CompletableFuture<String> createFolder(String parentId, String name);
+
+    // Get Public Path
+    CompletableFuture<PublicPath> getPublicPath(String itemId, ListItemType itemType);
+
+}

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

@@ -0,0 +1,13 @@
+package one.nem.lacerta.data;
+
+import java.util.ArrayList;
+
+import one.nem.lacerta.model.ListItem;
+
+public interface LacertaSearch {
+
+    ArrayList<ListItem> autoSearch(String query, int limit);
+
+    ArrayList<ListItem> autoSearch(String query, int limit, int offset);
+
+}

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

@@ -1,47 +0,0 @@
-package one.nem.lacerta.data.impl;
-
-import java.util.List;
-
-import javax.inject.Inject;
-
-import one.nem.lacerta.data.DocumentDebug;
-import one.nem.lacerta.model.document.DocumentDetail;
-import one.nem.lacerta.model.document.DocumentMeta;
-
-import one.nem.lacerta.source.database.entity.DocumentEntity;
-import one.nem.lacerta.source.database.entity.LibraryEntity;
-import one.nem.lacerta.source.database.entity.TagEntity;
-
-import one.nem.lacerta.source.database.LacertaDatabase;
-
-public class DocumentDebugImpl implements DocumentDebug{
-
-    @Inject
-    LacertaDatabase database;
-
-    @Inject
-    public DocumentDebugImpl() {
-    }
-
-
-    public void insertDocument(DocumentMeta meta, DocumentDetail detail) {
-        DocumentEntity documentEntity = new DocumentEntity();
-        LibraryEntity libraryEntity = new LibraryEntity();
-
-        documentEntity.id = meta.getId();
-        documentEntity.title = meta.getTitle();
-        documentEntity.createdAt = meta.getCreatedAt();
-        documentEntity.updatedAt = meta.getUpdatedAt();
-        documentEntity.author = detail.getAuthor();
-        documentEntity.defaultBranch = detail.getDefaultBranch();
-        // ArrayListからListに変換
-        documentEntity.tagIds = meta.getTagIds();
-
-        libraryEntity.id = meta.getId();
-        libraryEntity.path = "Placeholder";
-        libraryEntity.rootPath = "Placeholder";
-
-        database.documentDao().insert(documentEntity);
-        database.libraryDao().insert(libraryEntity);
-    }
-}

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

@@ -1,141 +1,221 @@
 package one.nem.lacerta.data.impl;
 
+import java.io.IOException;
 import java.util.ArrayList;
-import java.util.List;
+import java.util.Date;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 
+// Hilt
 import javax.inject.Inject;
 
+// Lacerta/data
 import one.nem.lacerta.data.Document;
 
+// Lacerta/model
+import one.nem.lacerta.model.PublicPath;
 import one.nem.lacerta.model.document.DocumentMeta;
 import one.nem.lacerta.model.document.DocumentDetail;
 
-import one.nem.lacerta.model.document.path.DocumentPath;
-import one.nem.lacerta.model.document.tag.DocumentTag;
+// 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;
-import one.nem.lacerta.source.database.entity.LibraryEntity;
-import one.nem.lacerta.source.database.entity.TagEntity;
 
-import one.nem.lacerta.source.jgit.JGitRepository;
+// 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;
 
 
-public class DocumentImpl implements Document{
+public class DocumentImpl implements Document {
 
-    private LacertaDatabase database;
+    String TAG = getClass().getSimpleName();
 
     @Inject
-    public DocumentImpl(LacertaDatabase database) {
-        this.database = database;
-    }
+    LacertaLogger logger;
 
     @Inject
-    JGitRepository jGitRepository;
+    LacertaDatabase database;
+
+    @Inject
+    LacertaVcsFactory vcsFactory;
+
+    @Inject
+    FileManagerFactory fileManagerFactory;
 
     @Inject
     DeviceInfoUtils deviceInfoUtils;
 
-    @Override
-    public ArrayList<DocumentMeta> getAllDocumentMetas(int limit) {
-        ArrayList<DocumentMeta> documentMetas = new ArrayList<>();
-        List<DocumentEntity> documentEntities = database.documentDao().getAllWithLimit(limit);
+    @Inject
+    XmlMetaParser xmlMetaParser;
 
-        for (DocumentEntity documentEntity : documentEntities) {
-            // タグ取得
-            // TODO-rca: 切り出すべきかも？
-            List<TagEntity> tagEntities = database.tagDao().findByIds(documentEntity.tagIds);
-            ArrayList<DocumentTag> documentTags = new ArrayList<>();
-            for (TagEntity tagEntity : tagEntities) {
-                documentTags.add(new DocumentTag(tagEntity.id, tagEntity.tagName, tagEntity.color));
+    @Inject
+    public DocumentImpl() {
+        // Init
+//        logger.debug(TAG, "called");
+    }
+
+
+    @Override
+    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.defaultBranch = meta.getDefaultBranch();
+            documentEntity.updatedAt = meta.getUpdatedAt();
+            documentEntity.createdAt = meta.getCreatedAt();
+            documentEntity.parentId = meta.getParentId();
+            documentEntity.tagIds = meta.getTagIds();
+
+            database.documentDao().insert(documentEntity);
+
+            // Vcs
+            LacertaVcs vcs = vcsFactory.create(meta.getId());
+            vcs.createDocument(meta.getId());
+
+            // XmlMeta
+            updateXmlMeta(detail).join();
+
+            return detail;
+        });
+    }
+
+    @Override
+    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.setParentId(null);
+        meta.setTags(new ArrayList<>());
+        return createDocument(meta);
+    }
+
+    @Override
+    public CompletableFuture<Void> deleteDocument(String documentId) {
+        return CompletableFuture.supplyAsync(() -> {
+            return null;
+        });
+    }
+
+    @Override
+    public CompletableFuture<Void> updateDocument(DocumentDetail detail) {
+        return CompletableFuture.supplyAsync(() -> {
+            updateXmlMeta(detail).join();
+            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.setDefaultBranch(documentEntity.defaultBranch);
+            meta.setUpdatedAt(documentEntity.updatedAt);
+            meta.setCreatedAt(documentEntity.createdAt);
+            meta.setParentId(documentEntity.parentId);
+            meta.setTags(new ArrayList<>()); // TODO-rca: タグを取得する
 
-            // 組み立て処理
-            // 可読性が終わるのでコンストラクタはつかわないほうがいいかも？
-            DocumentMeta documentMeta = new DocumentMeta();
-            documentMeta.setId(documentEntity.id);
-            documentMeta.setTitle(documentEntity.title);
-            documentMeta.setCreatedAt(documentEntity.createdAt);
-            documentMeta.setUpdatedAt(documentEntity.updatedAt);
-            documentMeta.setTags(documentTags);
+            DocumentDetail detail = new DocumentDetail();
 
-            documentMetas.add(documentMeta);
-        }
+            getPagesByXmlMeta(documentId).thenCompose(xmlMetaPageModels -> getPagesByXmlMetaPageModel(documentId, xmlMetaPageModels)).thenAccept(pages -> {
+                logger.debug(TAG, "pages: " + pages.size());
+                detail.setMeta(meta);
+                detail.setPages(pages);
+            }).join();
 
-        return documentMetas;
+            return detail;
+        });
     }
 
-    @Override
-    public ArrayList<DocumentMeta> getAllDocumentMetas(int limit, int offset) {
-        return null; // TODO-rca: 実装する
+    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;
+        });
     }
 
-    @Override
-    public ArrayList<DocumentMeta> getRecentDocumentMetas(int limit) {
-//        ArrayList<DocumentMeta> documentMetas = new ArrayList<>();
-//        database.documentDao().
-        // TODO-rca: 履歴取得するDao実装する
-        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;
+        });
     }
 
-    @Override
-    public ArrayList<DocumentMeta> getRecentDocumentMetas(int limit, int offset) {
-        return null;
-    }
-
-    @Override
-    public DocumentDetail getDocumentDetail(String id) {
-        DocumentDetail documentDetail = new DocumentDetail();
-        DocumentEntity documentEntity = database.documentDao().findById(id);
-
-        // タグ取得
-        // TODO-rca: 切り出すべきかも？
-        List<TagEntity> tagEntities = database.tagDao().findByIds(documentEntity.tagIds);
-        ArrayList<DocumentTag> documentTags = new ArrayList<>();
-        for (TagEntity tagEntity : tagEntities) {
-            documentTags.add(new DocumentTag(tagEntity.id, tagEntity.tagName, tagEntity.color));
-        }
-
-        // パス取得
-        // TODO-rca: 切り出すべきかも？
-        LibraryEntity libraryEntity = database.libraryDao().findById(id);
-        DocumentPath documentPath = new DocumentPath(libraryEntity.rootPath, libraryEntity.path);
-
-        // リポジトリ取得
-        documentDetail.setRepository(jGitRepository.getRepository(id)); // TODO-rca: エラーハンドリング
-
-        // 組み立て処理
-        // 可読性が終わるのでコンストラクタはつかわないほうがいいかも？
-        DocumentMeta documentMeta = new DocumentMeta();
-        documentMeta.setId(documentEntity.id);
-        documentMeta.setTitle(documentEntity.title);
-        documentMeta.setCreatedAt(documentEntity.createdAt);
-        documentMeta.setUpdatedAt(documentEntity.updatedAt);
-        documentMeta.setTags(documentTags);
-
-        documentDetail.setMeta(documentMeta);
-        documentDetail.setAuthor(documentEntity.author);
-        documentDetail.setPath(documentPath);
-        documentDetail.setDefaultBranch(documentEntity.defaultBranch);
-
-        return documentDetail;
-    }
-
-    @Override
-    public DocumentDetail getDocumentDetailByMeta(DocumentMeta meta) {
-        return getDocumentDetail(meta.getId()); // TODO-rca: 効率悪いのでMetaはもらった物を使うようにする（処理を切り分ける？）
-    }
-
-    @Override
-    public DocumentDetail createDocumentByMeta(DocumentMeta meta) {
-        DocumentDetail documentDetail = new DocumentDetail();
-
-        documentDetail.setMeta(meta);
-        documentDetail.setAuthor("author"); // TODO-rca: SharedPrefを扱う機能を作ってそこから取得するようにする or Gitの設定を参照するようにする
-        documentDetail.setPath(new DocumentPath(deviceInfoUtils.getExternalStorageDirectoryString(), meta.getId()));
-        documentDetail.setDefaultBranch("master"); // TODO-rca: SharedPrefを扱う機能を作ってそこから取得するようにする？
-
-        return documentDetail;
+    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

@@ -0,0 +1,200 @@
+package one.nem.lacerta.data.impl;
+
+import java.text.DateFormat;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+
+import javax.inject.Inject;
+
+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.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.utils.FeatureSwitch;
+import one.nem.lacerta.utils.LacertaLogger;
+
+public class LacertaLibraryImpl implements LacertaLibrary {
+
+    LacertaLogger logger;
+    LacertaDatabase database;
+
+    @Inject
+    public LacertaLibraryImpl(LacertaLogger logger, LacertaDatabase database) {
+        this.logger = logger;
+        this.database = database;
+    }
+
+    @Override
+    public CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit) {
+        return CompletableFuture.supplyAsync(() -> {
+            // 5秒フリーズさせる
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+
+            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 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);
+            }
+
+            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(DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm").format(documentEntity.updatedAt.toInstant()));
+                listItem.setItemId(documentEntity.id);
+                listItems.add(listItem);
+            }
+
+            libraryItemPage.setListItems(listItems);
+
+            logger.debug("LacertaLibraryImpl", "libraryItemPage.getListItems().size(): " + libraryItemPage.getListItems().size());
+
+            return libraryItemPage;
+        });
+    }
+
+    @Override
+    public CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit, int offset) {
+        return CompletableFuture.supplyAsync(() -> {
+            return null;
+        });
+    }
+
+    @Override
+    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 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;
+            }
+        });
+    }
+
+    /**
+     * 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

@@ -0,0 +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);
+//    }
+//}

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

@@ -0,0 +1,53 @@
+package one.nem.lacerta.data.impl;
+
+import java.util.ArrayList;
+
+import javax.inject.Inject;
+
+import one.nem.lacerta.data.LacertaSearch;
+import one.nem.lacerta.model.ListItem;
+
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.utils.LacertaLogger;
+
+public class LacertaSearchStubImpl implements LacertaSearch {
+
+    private LacertaLibrary library;
+    private LacertaLogger logger;
+
+
+    @Inject
+    public LacertaSearchStubImpl(LacertaLibrary library, LacertaLogger logger) {
+        this.library = library;
+        this.logger = logger;
+    }
+
+    /**
+     * 検索
+     * @param query 検索クエリ
+     * @param limit 最大取得件数
+     * @return 検索結果
+     */
+    @Override
+    public ArrayList<ListItem> autoSearch(String query, int limit) {
+//        logger.debug("SearchStub", "autoSearch");
+//        logger.debug("SearchStub", "query: " + query);
+//        return library.getLibraryPage(limit).getListItems();
+        return null;
+    }
+
+    /**
+     * 検索
+     * @param query 検索クエリ
+     * @param limit 最大取得件数
+     * @param offset オフセット
+     * @return 検索結果
+     */
+    @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();
+        return null;
+    }
+}

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

@@ -1,16 +0,0 @@
-package one.nem.lacerta.data.module;
-
-import dagger.Binds;
-import dagger.Module;
-import dagger.hilt.InstallIn;
-import dagger.hilt.components.SingletonComponent;
-import one.nem.lacerta.data.DocumentDebug;
-import one.nem.lacerta.data.impl.DocumentDebugImpl;
-
-@Module
-@InstallIn(SingletonComponent.class) // TODO-rca: Singletonでいいのか検討する
-abstract public class DocumentDebugModule {
-
-    @Binds
-    public abstract DocumentDebug bindDocumentDebug(DocumentDebugImpl documentDebugImpl);
-}

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

@@ -0,0 +1,21 @@
+package one.nem.lacerta.data.module;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.hilt.InstallIn;
+import dagger.hilt.android.components.FragmentComponent;
+import dagger.hilt.migration.DisableInstallInCheck;
+
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.data.impl.LacertaLibraryImpl;
+import one.nem.lacerta.utils.LacertaLogger;
+
+@Module
+// Fragmentにinstall
+@InstallIn(FragmentComponent.class)
+abstract public class LacertaLibraryModule {
+
+    @Binds
+    public abstract LacertaLibrary bindLacertaLibrary(LacertaLibraryImpl impl);
+
+}

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

@@ -0,0 +1,16 @@
+package one.nem.lacerta.data.module;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.hilt.InstallIn;
+import dagger.hilt.android.components.FragmentComponent;
+import one.nem.lacerta.data.LacertaSearch;
+import one.nem.lacerta.data.impl.LacertaSearchStubImpl;
+
+@Module
+@InstallIn(FragmentComponent.class)
+abstract public class LacertaSearchModule {
+
+    @Binds
+    public abstract LacertaSearch bindLacertaSearch(LacertaSearchStubImpl 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/build.gradle

@@ -68,4 +68,7 @@ dependencies {
     // Processor
     implementation project(':processor')
 
+    // LacertaVcs
+    implementation project(':vcs')
+
 }

feature/debug/src/main/AndroidManifest.xml

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

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

@@ -1,81 +0,0 @@
-package one.nem.lacerta.feature.debug;
-
-import android.os.Bundle;
-
-import androidx.fragment.app.Fragment;
-import androidx.recyclerview.widget.RecyclerView;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import java.text.SimpleDateFormat;
-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.feature.debug.common.adapter.DebugMenuDocumentListItemAdapter;
-import one.nem.lacerta.feature.debug.common.model.DebugMenuDocumentListItem;
-import one.nem.lacerta.model.document.DocumentMeta;
-import one.nem.lacerta.utils.LacertaLogger;
-
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link DebugMenuDocumentTesterListFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-
-@AndroidEntryPoint
-public class DebugMenuDocumentTesterListFragment extends Fragment {
-
-    @Inject
-    Document document;
-
-    @Inject
-    LacertaLogger logger;
-
-    public DebugMenuDocumentTesterListFragment() {
-        // Required empty public constructor
-    }
-
-    public static DebugMenuDocumentTesterListFragment newInstance() {
-        DebugMenuDocumentTesterListFragment fragment = new DebugMenuDocumentTesterListFragment();
-        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_debug_menu_document_tester_list, container, false);
-
-        RecyclerView recyclerView = view.findViewById(R.id.recycler_view_document_list);
-        recyclerView.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(getContext()));
-
-        ArrayList<DocumentMeta> documentMetas = document.getAllDocumentMetas(100);
-
-        logger.debug("Debug/DocList", "Document count: " + documentMetas.size());
-
-        List<DebugMenuDocumentListItem> debugMenuDocumentListItems = new ArrayList<>();
-
-        for (DocumentMeta documentMeta : documentMetas) {
-            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-            debugMenuDocumentListItems.add(new DebugMenuDocumentListItem(documentMeta.getTitle(), "Internal Id: " + documentMeta.getId(), simpleDateFormat.format(documentMeta.getUpdatedAt())));
-        }
-
-        DebugMenuDocumentListItemAdapter adapter = new DebugMenuDocumentListItemAdapter(debugMenuDocumentListItems);
-        recyclerView.setAdapter(adapter);
-
-        return view;
-    }
-}

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

@@ -1,72 +0,0 @@
-package one.nem.lacerta.feature.debug;
-
-import android.os.Bundle;
-
-import androidx.fragment.app.Fragment;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import com.google.android.material.textfield.TextInputEditText;
-
-import java.util.UUID;
-
-import javax.inject.Inject;
-
-import dagger.hilt.android.AndroidEntryPoint;
-import dagger.multibindings.IntKey;
-import one.nem.lacerta.data.DocumentDebug;
-
-import one.nem.lacerta.model.document.DocumentMeta;
-import one.nem.lacerta.model.document.DocumentDetail;
-
-import one.nem.lacerta.model.document.path.DocumentPath;
-import one.nem.lacerta.model.document.tag.DocumentTag;
-
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link DebugMenuDocumentTesterManageFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-@AndroidEntryPoint
-public class DebugMenuDocumentTesterManageFragment extends Fragment {
-
-    @Inject
-    DocumentDebug documentDebug;
-
-    public DebugMenuDocumentTesterManageFragment() {
-        // Required empty public constructor
-    }
-
-    public static DebugMenuDocumentTesterManageFragment newInstance() {
-        DebugMenuDocumentTesterManageFragment fragment = new DebugMenuDocumentTesterManageFragment();
-        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_debug_menu_document_tester_manage, container, false);
-
-        TextInputEditText editTextDocumentTitle = view.findViewById(R.id.edit_text_document_title);
-        view.findViewById(R.id.button_insert_test_data).setOnClickListener( v -> {
-
-            DocumentMeta meta = new DocumentMeta(editTextDocumentTitle != null ? editTextDocumentTitle.getText().toString() : "empty title"); // TODO-rca: Nullable
-            DocumentPath path = new DocumentPath("root", "test_path");
-            DocumentDetail detail = new DocumentDetail(meta, path, "test_author", "test_default_branch");
-
-            documentDebug.insertDocument(meta, detail);
-        });
-
-        return view;
-    }
-}

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

@@ -47,8 +47,8 @@ public class DebugMenuDocumentTesterTopFragment extends Fragment {
 
         List<DebugMenuListItem> debugMenuDocTesterListItems = new ArrayList<>();
 
-        debugMenuDocTesterListItems.add(new DebugMenuListItem("DocumentListFragment", "DocumentListFragment", R.id.action_debugMenuDocumentTesterTopFragment_to_debugMenuDocumentTesterListFragment, true));
-        debugMenuDocTesterListItems.add(new DebugMenuListItem("DocumentManagerFragment", "DocumentManagerFragment", R.id.action_debugMenuDocumentTesterTopFragment_to_debugMenuDocumentTesterManageFragment, true));
+//        debugMenuDocTesterListItems.add(new DebugMenuListItem("DocumentListFragment", "DocumentListFragment", R.id.action_debugMenuDocumentTesterTopFragment_to_debugMenuDocumentTesterListFragment, true));
+//        debugMenuDocTesterListItems.add(new DebugMenuListItem("DocumentManagerFragment", "DocumentManagerFragment", R.id.action_debugMenuDocumentTesterTopFragment_to_debugMenuDocumentTesterManageFragment, true));
 
 
         DebugMenuListItemAdapter adapter = new DebugMenuListItemAdapter(debugMenuDocTesterListItems);

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

@@ -0,0 +1,116 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.annotation.AnimatorRes;
+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.TextView;
+
+import java.util.ArrayList;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.data.LacertaLibrary;
+
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.model.ListItem;
+import one.nem.lacerta.model.ListItemType;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuLibraryItemListPageFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class DebugMenuLibraryItemListPageFragment extends Fragment {
+
+    @Inject
+    LacertaLibrary lacertaLibrary;
+
+    public DebugMenuLibraryItemListPageFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuLibraryItemListPageFragment newInstance() {
+        DebugMenuLibraryItemListPageFragment fragment = new DebugMenuLibraryItemListPageFragment();
+        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_debug_menu_library_item_list_page, container, false);
+
+//        ArrayList<ListItem> listItems = lacertaLibrary.getRecentDocument(10);
+        ArrayList<ListItem> listItems = new ArrayList<>();
+        for (ListItem listItem : listItems) {
+            System.out.println(listItem.getTitle());
+        }
+
+        RecyclerView recyclerView = view.findViewById(R.id.item_recycler_view);
+        recyclerView.setAdapter(new ItemAdapter(listItems));
+
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        return view;
+    }
+
+    private class ItemAdapter extends RecyclerView.Adapter<ItemAdapter.ItemViewHolder> {
+        private ArrayList<ListItem> listItems;
+
+        public ItemAdapter(ArrayList<ListItem> listItems) {
+            this.listItems = listItems;
+        }
+
+        @Override
+        public ItemViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_debug_menu_document, parent, false);
+            return new ItemViewHolder(view);
+        }
+
+        @Override
+        public void onBindViewHolder(ItemViewHolder holder, int position) {
+            ListItem listItem = listItems.get(position);
+            holder.document_list_item_title.setText(listItem.getTitle());
+            holder.document_list_item_description.setText(listItem.getDescription());
+            holder.document_list_item_updated_at.setText(listItem.getItemType().toString());
+        }
+
+        @Override
+        public int getItemCount() {
+            return listItems.size();
+        }
+
+        public class ItemViewHolder extends RecyclerView.ViewHolder {
+
+            TextView document_list_item_title;
+            TextView document_list_item_description;
+            TextView document_list_item_updated_at;
+
+
+            public ItemViewHolder(View itemView) {
+                super(itemView);
+                document_list_item_title = itemView.findViewById(R.id.document_list_item_title);
+                document_list_item_description = itemView.findViewById(R.id.document_list_item_description);
+                document_list_item_updated_at = itemView.findViewById(R.id.document_list_item_updated_at);
+            }
+        }
+    }
+
+}

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

@@ -49,7 +49,10 @@ public class DebugMenuTopFragment extends Fragment {
         List<DebugMenuListItem> debugMenuListItems = new ArrayList<>();
 
         debugMenuListItems.add(new DebugMenuListItem("Document Tester", "placeholder", R.id.action_debugMenuTopFragment_to_debugMenuDocumentTesterTopFragment, true));
-        debugMenuListItems.add(new DebugMenuListItem("Scanner", "placeholder", R.id.action_debugMenuTopFragment_to_scannerDataManagerStubFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("ScannerStub", "placeholder", R.id.action_debugMenuTopFragment_to_scannerDataManagerStubFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("Scanner", "placeholder", R.id.action_debugMenuTopFragment_to_scannerManagerFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("Document List", "placeholder", R.id.action_debugMenuTopFragment_to_debugMenuLibraryItemListPageFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("VCS", "placeholder", R.id.action_debugMenuTopFragment_to_debugMenuVcsGeneralFragment, true));
 
         DebugMenuListItemAdapter adapter = new DebugMenuListItemAdapter(debugMenuListItems);
         recyclerView.setAdapter(adapter);

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

@@ -0,0 +1,58 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+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.vcs.LacertaVcs;
+import one.nem.lacerta.vcs.factory.LacertaVcsFactory;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuVcsGeneralActionFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+
+@AndroidEntryPoint
+public class DebugMenuVcsGeneralActionFragment extends Fragment {
+
+    @Inject
+    LacertaVcsFactory lacertaVcsFactory;
+
+    public DebugMenuVcsGeneralActionFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuVcsGeneralActionFragment newInstance() {
+        DebugMenuVcsGeneralActionFragment fragment = new DebugMenuVcsGeneralActionFragment();
+        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_debug_menu_vcs_general_action, container, false);
+
+        view.findViewById(R.id.add_sample_log_rev_button).setOnClickListener(v -> {
+            LacertaVcs lacertaVcs = lacertaVcsFactory.create("example_id");
+            lacertaVcs.insertPage(1, "example_id");
+        });
+
+        return view;
+    }
+}

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

@@ -0,0 +1,59 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import one.nem.lacerta.feature.debug.common.adapter.DebugMenuListItemAdapter;
+import one.nem.lacerta.feature.debug.common.model.DebugMenuListItem;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuVcsGeneralFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class DebugMenuVcsGeneralFragment extends Fragment {
+    public DebugMenuVcsGeneralFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuVcsGeneralFragment newInstance() {
+        DebugMenuVcsGeneralFragment fragment = new DebugMenuVcsGeneralFragment();
+        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_debug_menu_vcs_general, container, false);
+
+        RecyclerView recyclerView = view.findViewById(R.id.recycler_view);
+        recyclerView.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(getContext()));
+        List<DebugMenuListItem> debugMenuListItems = new ArrayList<>();
+
+        debugMenuListItems.add(new DebugMenuListItem("General Action", "placeholder", R.id.action_debugMenuVcsGeneralFragment_to_debugMenuVcsGeneralActionFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("Log Record", "placeholder", R.id.action_debugMenuVcsGeneralFragment_to_debugMenuVcsLogRecordFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("Rev Record", "placeholder", R.id.action_debugMenuVcsGeneralFragment_to_debugMenuVcsRevRecordFragment, true));
+
+        DebugMenuListItemAdapter adapter = new DebugMenuListItemAdapter(debugMenuListItems);
+        recyclerView.setAdapter(adapter);
+
+        return view;
+    }
+}

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

@@ -0,0 +1,42 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuVcsLogRecordFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class DebugMenuVcsLogRecordFragment extends Fragment {
+
+    public DebugMenuVcsLogRecordFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuVcsLogRecordFragment newInstance() {
+        DebugMenuVcsLogRecordFragment fragment = new DebugMenuVcsLogRecordFragment();
+        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_debug_menu_vcs_log_record, container, false);
+
+        return view;
+    }
+}

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

@@ -0,0 +1,41 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuVcsRevRecordFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class DebugMenuVcsRevRecordFragment extends Fragment {
+    public DebugMenuVcsRevRecordFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuVcsRevRecordFragment newInstance() {
+        DebugMenuVcsRevRecordFragment fragment = new DebugMenuVcsRevRecordFragment();
+        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_debug_menu_vcs_rev_record, container, false);
+
+        return view;
+    }
+}

feature/debug/src/main/res/layout/fragment_debug_menu_document_tester_manage.xml

@@ -1,60 +0,0 @@
-<?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="match_parent"
-    tools:context=".DebugMenuDocumentTesterManageFragment" >
-
-    <ScrollView
-        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_toTopOf="parent">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical" >
-
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:orientation="vertical"
-                android:layout_margin="16dp"
-                android:background="@drawable/rounded_secondary_container">
-
-                <TextView
-                    android:id="@+id/textView2"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:padding="16dp"
-                    android:textSize="16sp"
-                    android:textColor="@color/colorOnSecondaryContainer"
-                    android:text="Debug actions" />
-
-
-                <com.google.android.material.textfield.TextInputEditText
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:hint="Document title"
-                    android:id="@+id/edit_text_document_title"
-                    android:layout_margin="16dp"
-                    android:inputType="text"
-                    android:textSize="16sp"
-                    style="@style/ThemeOverlay.Material3.TextInputEditText.OutlinedBox" />
-
-                <com.google.android.material.button.MaterialButton
-                    android:id="@+id/button_insert_test_data"
-                    style="@style/Widget.Material3.Button.OutlinedButton"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_margin="16dp"
-                    android:text="Insert test data"/>
-
-            </LinearLayout>
-        </LinearLayout>
-    </ScrollView>
-</androidx.constraintlayout.widget.ConstraintLayout>

feature/debug/src/main/res/layout/fragment_debug_menu_library_item_list_page.xml

@@ -4,11 +4,11 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".DebugMenuDocumentTesterListFragment" >
+    tools:context=".DebugMenuLibraryItemListPageFragment">
 
     <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/recycler_view_document_list"
-        android:layout_width="match_parent"
+        android:id="@+id/item_recycler_view"
+        android:layout_width="0dp"
         android:layout_height="0dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"

feature/debug/src/main/res/layout/fragment_debug_menu_vcs_general.xml

@@ -0,0 +1,17 @@
+<?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="match_parent"
+    tools:context=".DebugMenuVcsGeneralFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

feature/debug/src/main/res/layout/fragment_debug_menu_vcs_general_action.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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=".DebugMenuVcsGeneralActionFragment">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical" >
+
+            <Button
+                android:id="@+id/add_sample_log_rev_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Add Sample log/Rev" />
+        </LinearLayout>
+    </ScrollView>
+</androidx.constraintlayout.widget.ConstraintLayout>

feature/debug/src/main/res/layout/fragment_debug_menu_vcs_log_record.xml

@@ -0,0 +1,17 @@
+<?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="match_parent"
+    tools:context=".DebugMenuVcsGeneralFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/log_recycler_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

feature/debug/src/main/res/layout/fragment_debug_menu_vcs_rev_record.xml

@@ -0,0 +1,17 @@
+<?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="match_parent"
+    tools:context=".DebugMenuVcsGeneralFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rev_recycler_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

feature/debug/src/main/res/layout/list_item_debug_menu.xml

@@ -11,6 +11,7 @@
         android:layout_height="wrap_content"
         android:textSize="16sp"
         android:layout_marginEnd="8dp"
+        android:text="Placeholder Title"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
@@ -19,8 +20,11 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:textSize="14sp"
+        android:text="Placeholder Description"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/debug_menu_item_title" />
 
+
+
 </androidx.constraintlayout.widget.ConstraintLayout>

feature/debug/src/main/res/navigation/feature_debug_internal_navigation.xml

@@ -16,31 +16,63 @@
         <action
             android:id="@+id/action_debugMenuTopFragment_to_scannerDataManagerStubFragment"
             app:destination="@id/scannerDataManagerStubFragment" />
+        <action
+            android:id="@+id/action_debugMenuTopFragment_to_debugMenuLibraryItemListPageFragment"
+            app:destination="@id/debugMenuLibraryItemListPageFragment" />
+        <action
+            android:id="@+id/action_debugMenuTopFragment_to_debugMenuVcsGeneralFragment"
+            app:destination="@id/debugMenuVcsGeneralFragment" />
+        <action
+            android:id="@+id/action_debugMenuTopFragment_to_scannerManagerFragment"
+            app:destination="@id/scannerManagerFragment" />
     </fragment>
     <fragment
         android:id="@+id/debugMenuDocumentTesterTopFragment"
         android:name="one.nem.lacerta.feature.debug.DebugMenuDocumentTesterTopFragment"
         android:label="fragment_debug_menu_document_tester_top"
         tools:layout="@layout/fragment_debug_menu_document_tester_top" >
-        <action
-            android:id="@+id/action_debugMenuDocumentTesterTopFragment_to_debugMenuDocumentTesterListFragment"
-            app:destination="@id/debugMenuDocumentTesterListFragment" />
-        <action
-            android:id="@+id/action_debugMenuDocumentTesterTopFragment_to_debugMenuDocumentTesterManageFragment"
-            app:destination="@id/debugMenuDocumentTesterManageFragment" />
     </fragment>
-    <fragment
-        android:id="@+id/debugMenuDocumentTesterListFragment"
-        android:name="one.nem.lacerta.feature.debug.DebugMenuDocumentTesterListFragment"
-        android:label="fragment_debug_menu_document_tester_list"
-        tools:layout="@layout/fragment_debug_menu_document_tester_list" />
-    <fragment
-        android:id="@+id/debugMenuDocumentTesterManageFragment"
-        android:name="one.nem.lacerta.feature.debug.DebugMenuDocumentTesterManageFragment"
-        android:label="fragment_debug_menu_document_tester_manage"
-        tools:layout="@layout/fragment_debug_menu_document_tester_manage" />
     <fragment
         android:id="@+id/scannerDataManagerStubFragment"
         android:name="one.nem.lacerta.component.scanner.ScannerDataManagerStubFragment"
         android:label="ScannerDataManagerStubFragment" />
+    <fragment
+        android:id="@+id/debugMenuLibraryItemListPageFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuLibraryItemListPageFragment"
+        android:label="fragment_debug_menu_library_item_list_page"
+        tools:layout="@layout/fragment_debug_menu_library_item_list_page" />
+    <fragment
+        android:id="@+id/debugMenuVcsGeneralFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuVcsGeneralFragment"
+        android:label="fragment_debug_menu_vcs_general"
+        tools:layout="@layout/fragment_debug_menu_vcs_general" >
+        <action
+            android:id="@+id/action_debugMenuVcsGeneralFragment_to_debugMenuVcsGeneralActionFragment"
+            app:destination="@id/debugMenuVcsGeneralActionFragment" />
+        <action
+            android:id="@+id/action_debugMenuVcsGeneralFragment_to_debugMenuVcsRevRecordFragment"
+            app:destination="@id/debugMenuVcsRevRecordFragment" />
+        <action
+            android:id="@+id/action_debugMenuVcsGeneralFragment_to_debugMenuVcsLogRecordFragment"
+            app:destination="@id/debugMenuVcsLogRecordFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/debugMenuVcsGeneralActionFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuVcsGeneralActionFragment"
+        android:label="fragment_debug_menu_vcs_general_action"
+        tools:layout="@layout/fragment_debug_menu_vcs_general_action" />
+    <fragment
+        android:id="@+id/debugMenuVcsLogRecordFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuVcsLogRecordFragment"
+        android:label="fragment_debug_menu_vcs_log_record"
+        tools:layout="@layout/fragment_debug_menu_vcs_log_record" />
+    <fragment
+        android:id="@+id/debugMenuVcsRevRecordFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuVcsRevRecordFragment"
+        android:label="fragment_debug_menu_vcs_rev_record"
+        tools:layout="@layout/fragment_debug_menu_vcs_rev_record" />
+    <fragment
+        android:id="@+id/scannerManagerFragment"
+        android:name="one.nem.lacerta.component.scanner.ScannerManagerFragment"
+        android:label="ScannerManagerFragment" />
 </navigation>

feature/home/build.gradle

@@ -1,10 +1,11 @@
 plugins {
+    id 'com.google.dagger.hilt.android'
     id 'com.android.library'
 }
 
 android {
     namespace 'one.nem.lacerta.feature.home'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         minSdk 26
@@ -29,6 +30,8 @@ dependencies {
 
     implementation libs.androidx.appcompat
     implementation libs.com.google.android.material
+    implementation project(path: ':feature:debug')
+    implementation project(path: ':utils')
     testImplementation libs.junit
     androidTestImplementation libs.androidx.test.ext.junit
     androidTestImplementation libs.androidx.test.espresso.core
@@ -38,6 +41,22 @@ dependencies {
     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')
+
+    // DI
+    implementation project(':data')
+
+    //model
+    implementation project(':model')
+
+    implementation "androidx.recyclerview:recyclerview:1.3.2"
+
+    implementation project(':component:common')
+
+    implementation project(':component:viewer')
 }

feature/home/src/androidTest/java/one/nem/lacerta/feature/home/ExampleInstrumentedTest.java

@@ -22,5 +22,7 @@ public class ExampleInstrumentedTest {
         // Context of the app under test.
         Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
         assertEquals("one.nem.lacerta.feature.home.test", appContext.getPackageName());
+
+
     }
 }

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);
+}

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

@@ -1,64 +1,114 @@
 package one.nem.lacerta.feature.home;
 
+import android.content.Intent;
 import android.os.Bundle;
-
-import androidx.fragment.app.Fragment;
-
+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.annotation.NonNull;
+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.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 java.util.concurrent.CompletableFuture;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.component.viewer.ViewerMainActivity;
+import one.nem.lacerta.data.Document;
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.model.ListItem;
+import one.nem.lacerta.model.document.DocumentMeta;
+
+
+
 /**
  * A simple {@link Fragment} subclass.
  * Use the {@link HomeTopFragment#newInstance} factory method to
  * create an instance of this fragment.
  */
+@AndroidEntryPoint
 public class HomeTopFragment extends Fragment {
 
-    // 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;
+    @Inject
+    LacertaLibrary lacertaLibrary;
 
     public HomeTopFragment() {
         // 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 HomeTopFragment.
-     */
-    // TODO: Rename and change types and number of parameters
-    public static HomeTopFragment newInstance(String param1, String param2) {
+    public static HomeTopFragment newInstance() {
         HomeTopFragment fragment = new HomeTopFragment();
         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) {
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_home_top, container, false);
+        View view = inflater.inflate(R.layout.fragment_home_top, container, false);
+
+        setHasOptionsMenu(true);
+        return view;
     }
-}
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        RecyclerView recyclerView = view.findViewById(R.id.home_item_recycler_view);
+
+
+        ListItemAdapter listItemAdapter = new ListItemAdapter(documentId -> {
+            Log.d("HomeTopFragment", "onViewCreated: " + documentId);
+            Intent intent = new Intent(getContext(), ViewerMainActivity.class);
+            intent.putExtra("documentId", documentId);
+            startActivity(intent);
+        });
+        recyclerView.setAdapter(listItemAdapter);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        lacertaLibrary.getRecentDocument(10).thenAccept(listItems -> {
+            listItemAdapter.setListItems(listItems);
+            getActivity().runOnUiThread(() -> {
+                listItemAdapter.notifyItemRangeInserted(0, listItems.size());
+            });
+        });
+    }
+
+    @Override
+    public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
+        inflater.inflate(R.menu.drawer_menu, menu);
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+}
+
+
+
+
+
+
+

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

@@ -0,0 +1,73 @@
+package one.nem.lacerta.feature.home;
+
+import android.content.Intent;
+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.component.viewer.ViewerMainActivity;
+import one.nem.lacerta.model.ListItem;
+
+public class ListItemAdapter extends RecyclerView.Adapter<ListItemAdapter.ListItemViewHolder>{
+
+    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;
+    }
+
+    @NonNull
+    @Override
+    public ListItemAdapter.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 ListItemAdapter.ListItemViewHolder holder, int position) {
+        ListItem listItem = listItems.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 -> {
+            Intent intent = new Intent(v.getContext(), ViewerMainActivity.class);
+            intent.putExtra("documentId", listItem.getItemId());
+            v.getContext().startActivity(intent);
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return listItems.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/home/src/main/java/one/nem/lacerta/feature/home/MyAdapter.java

@@ -0,0 +1,70 @@
+package one.nem.lacerta.feature.home;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import one.nem.lacerta.model.ListItem;
+import one.nem.lacerta.model.document.DocumentMeta;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyAdapterViewHolder> {
+
+    ArrayList<ListItem> listItems;
+
+    public MyAdapter(ArrayList<ListItem> listItems) {
+        this.listItems = listItems;
+    }
+
+    @NonNull
+    @Override
+    public MyAdapterViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_home_document, parent, false);
+        return new MyAdapterViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MyAdapterViewHolder holder, int position) {
+
+
+        holder.title.setText(listItems.get(position).getTitle());
+        holder.description.setText(listItems.get(position).getDescription());
+
+
+
+
+
+
+
+
+    }
+
+
+    @Override
+    public int getItemCount() {
+        return listItems.size();
+    }
+
+    public class MyAdapterViewHolder extends RecyclerView.ViewHolder {
+
+        TextView title;
+
+        TextView description;
+
+        public MyAdapterViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            title = itemView.findViewById(R.id.debug_menu_item_title);
+            description = itemView.findViewById(R.id.debug_menu_item_description);
+
+
+        }
+    }
+}
+

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

@@ -1,14 +1,50 @@
-<?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=".HomeTopFragment">
+    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="HOGE" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/home_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/home/src/main/res/layout/list_item_home_document.xml

@@ -0,0 +1,36 @@
+<?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:padding="16dp">
+
+    <TextView
+        android:id="@+id/debug_menu_item_title"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:textSize="16sp"
+        android:layout_marginEnd="8dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/debug_menu_item_description"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:textSize="14sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/debug_menu_item_title" />
+
+    <TextView
+        android:id="@+id/debug_menu_item_updated_at_home"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:textSize="14sp"
+        android:text="Updated at: aaaaaaaaaa"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>

feature/home/src/main/res/menu/drawer_menu.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/item_placeholder"
+        android:icon="@drawable/developer_mode_24px"
+        android:title="@string/placeholder" />
+</menu>

feature/home/src/main/res/values/ids.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <item name="my_recycler_view" type="id" />
+    <item name="TITLE" type="id" />
+    <item name="textView" type="id" />
+</resources>

feature/home/src/main/res/values/refs.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources></resources>

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

@@ -1,4 +1,5 @@
 <resources>
     <!-- TODO: Remove or change this placeholder text -->
     <string name="hello_blank_fragment">Hello blank fragment</string>
+    <string name="textview">TextView</string>
 </resources>

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 +51,7 @@ dependencies {
 
     implementation project(':data')
 
+    implementation project(':utils')
+
 
 }

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/LibraryPageFragment.java

@@ -0,0 +1,283 @@
+package one.nem.lacerta.feature.library;
+
+import android.app.AlertDialog;
+import android.os.Bundle;
+
+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.navigation.Navigation;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+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 com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
+
+import org.w3c.dom.Text;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.data.Document;
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.model.FragmentNavigation;
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.PublicPath;
+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(new AppBarLayout.OnOffsetChangedListener() {
+            @Override
+            public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
+                if (Math.abs(verticalOffset) == appBarLayout.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));
+                } else {
+                    // Somewhere in between
+                    // Here you can add a color transition if you want
+                }
+            }
+        });
+        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) {
+                Toast.makeText(getContext(), "Document selected! documentId: " + documentId + ", documentName: " + documentName, Toast.LENGTH_SHORT).show();
+            }
+        });
+
+        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());
+            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(() -> {
+                listItemAdapter.notifyItemRangeInserted(0, this.libraryItemPage.getListItems().size() - 1);
+            });
+        });
+    }
+
+    /**
+     * Currentにフォルダを作成する
+     */
+    private void createFolder(String pageId) {
+        // 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
+        AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
+        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");
+        final android.widget.EditText input = new android.widget.EditText(getContext());
+        input.setText("フォルダ名");
+        builder.setView(input);
+        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.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

@@ -1,104 +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 +1,78 @@
+package one.nem.lacerta.feature.library;
+
+import android.content.Intent;
+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.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/developer_mode_24px"
+        android:title="@string/app_name"
+        app:showAsAction="ifRoom"/> <!-- TODO-rca: change this -->
+
+</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/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
@@ -27,9 +27,17 @@ android {
 
 dependencies {
 
-    implementation 'androidx.appcompat:appcompat:1.6.1'
-    implementation 'com.google.android.material:material:1.10.0'
-    testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    implementation libs.androidx.appcompat
+    implementation libs.com.google.android.material
+    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
+
+    // shared
+    implementation project(':shared:ui')
 }

feature/search/src/main/java/one/nem/lacerta/feature/search/SearchTopFragment.java

@@ -0,0 +1,142 @@
+package one.nem.lacerta.feature.search;
+
+import android.app.LauncherActivity;
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.SearchView;
+
+import java.util.ArrayList;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link SearchTopFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class SearchTopFragment extends Fragment {
+    private static final String TAG = SearchTopFragment.class.getSimpleName();
+    private final SearchTopFragment self = this;
+
+    private SearchView searchView;
+    private String searchWord;
+
+    // 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 SearchTopFragment() {
+        // 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 SearchTopFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static SearchTopFragment newInstance(String param1, String param2) {
+        SearchTopFragment fragment = new SearchTopFragment();
+        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
+        return inflater.inflate(R.layout.fragment_search_top, container, false);
+    }
+
+
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
+
+
+
+
+        this.searchView.setIconifiedByDefault(true);
+
+
+        this.searchView.setSubmitButtonEnabled(false);
+
+
+        if (!this.searchWord.equals("")) {
+
+            this.searchView.setQuery(this.searchWord, false);
+        } else {
+            String queryHint = self.getResources().getString(R.string.hello_blank_fragment);
+
+            this.searchView.setQueryHint(queryHint);
+        }
+        this.searchView.setOnQueryTextListener(self.onQueryTextListener);
+    }
+
+    private final SearchView.OnQueryTextListener onQueryTextListener = new SearchView.OnQueryTextListener() {
+        @Override
+        public boolean onQueryTextSubmit(String query) {
+
+            return self.setSearchWord(searchWord);
+        }
+
+        @Override
+        public boolean onQueryTextChange(String query) {
+
+            return false;
+        }
+    };
+    private boolean setSearchWord(String query) {
+
+
+        if (searchWord != null && !searchWord.equals("")) {
+
+            this.searchWord = searchWord;
+        }
+
+        this.searchView.setIconified(false);
+
+        this.searchView.onActionViewCollapsed();
+
+        this.searchView.clearFocus();
+        return false;
+    }
+}
+
+
+
+
+    interface LacertaSearch {
+        ArrayList<LauncherActivity.ListItem> autoSearch(String query, int limit);
+
+        ArrayList<LauncherActivity.ListItem> autoSearch(String query, int limit, int offset);
+    }
+
+
+

feature/search/src/main/res/layout/fragment_search_top.xml

@@ -0,0 +1,27 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    tools:context=".SearchTopFragment">
+
+    <!-- TODO: Update blank fragment layout -->
+    <com.google.android.material.appbar.MaterialToolbar
+        android:id="@+id/Search_tool_bar"
+        android:layout_width="match_parent"
+        android:layout_height="69dp"
+        android:background="#E4E8EA"
+        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="" />
+
+    <SearchView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+
+</FrameLayout>

feature/search/src/main/res/navigation/feature_search_navigation.xml

@@ -0,0 +1,13 @@
+<?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/feature_search_navigation"
+    app:startDestination="@id/searchTopFragment">
+
+    <fragment
+        android:id="@+id/searchTopFragment"
+        android:name="one.nem.lacerta.feature.search.SearchTopFragment"
+        android:label="fragment_search_top"
+        tools:layout="@layout/fragment_search_top" />
+</navigation>

feature/search/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>