Merge pull request #87 from lacerta-doc/component/viewer/1

ビューワー実装 WIP

.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>

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

@@ -161,13 +161,14 @@ public class ScannerManagerActivity extends AppCompatActivity {
         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((documentDetail1) -> {
+        document.createDocument(documentMeta).thenAccept((documentDetail) -> {
-            Bitmap[] bitmaps = new Bitmap[this.croppedImages.size()];
+            Bitmap[] bitmaps = new Bitmap[croppedImages.size()];
-            this.croppedImages.toArray(bitmaps);
+            croppedImages.toArray(bitmaps);
-            addPagesToDocumentDetail(documentDetail1, bitmaps).thenRun(() -> {
+            logger.debug(TAG, "bitmaps.length: " + bitmaps.length);
-                dialog.dismiss();
+            addPagesToDocumentDetail(documentDetail, bitmaps).join();
-                finish();
+            document.updateDocument(documentDetail).join();
-            });
+            dialog.dismiss();
+            finish();
         });
 
     }
@@ -175,7 +176,7 @@ public class ScannerManagerActivity extends AppCompatActivity {
     private CompletableFuture<Void> addPagesToDocumentDetail(DocumentDetail documentDetail, Bitmap[] bitmaps) {
         return CompletableFuture.runAsync(() -> {
             try {
-                documentProcessorFactory.create(documentDetail).addNewPagesToLast(bitmaps);
+                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());

component/viewer/build.gradle

@@ -1,5 +1,6 @@
 plugins {
     alias(libs.plugins.com.android.library)
+    id 'com.google.dagger.hilt.android'
 }
 
 android {
@@ -29,7 +30,28 @@ 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')
+
 }

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 +1,88 @@
+package one.nem.lacerta.component.viewer;
+
+import android.graphics.Bitmap;
+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 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);
+
+        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;
+    }
+}

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/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 +1,65 @@
+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();
+        }
+
+        getSupportFragmentManager().beginTransaction()
+                .replace(R.id.nav_host_fragment, ComponentViewerTopFragment.newInstance(documentId))
+                .commitNow();
+    }
+}

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/viewer_body_list_item.xml

@@ -0,0 +1,19 @@
+<?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"
+        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/navigation/component_viewer_navigation.xml

@@ -0,0 +1,11 @@
+<?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"
+    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" />
+</navigation>

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

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

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

@@ -20,7 +20,7 @@ public interface Document {
 
     CompletableFuture<Void> deleteDocument(String documentId);
 
-    CompletableFuture<Void> updateDocument(DocumentMeta meta, DocumentDetail detail);
+    CompletableFuture<Void> updateDocument(DocumentDetail detail);
 
     CompletableFuture<DocumentDetail> getDocument(String documentId);
 }

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

@@ -18,6 +18,7 @@ import one.nem.lacerta.model.document.DocumentMeta;
 import one.nem.lacerta.model.document.DocumentDetail;
 
 // Lacerta/source
+import one.nem.lacerta.model.document.internal.XmlMetaModel;
 import one.nem.lacerta.model.document.internal.XmlMetaPageModel;
 import one.nem.lacerta.model.document.page.Page;
 import one.nem.lacerta.source.database.LacertaDatabase;
@@ -87,6 +88,9 @@ public class DocumentImpl implements Document {
             LacertaVcs vcs = vcsFactory.create(meta.getId());
             vcs.createDocument(meta.getId());
 
+            // XmlMeta
+            updateXmlMeta(detail).join();
+
             return detail;
         });
     }
@@ -113,8 +117,9 @@ public class DocumentImpl implements Document {
     }
 
     @Override
-    public CompletableFuture<Void> updateDocument(DocumentMeta meta, DocumentDetail detail) {
+    public CompletableFuture<Void> updateDocument(DocumentDetail detail) {
         return CompletableFuture.supplyAsync(() -> {
+            updateXmlMeta(detail).join();
             return null;
         });
     }
@@ -139,9 +144,11 @@ public class DocumentImpl implements Document {
             DocumentDetail detail = new DocumentDetail();
 
             getPagesByXmlMeta(documentId).thenCompose(xmlMetaPageModels -> getPagesByXmlMetaPageModel(documentId, xmlMetaPageModels)).thenAccept(pages -> {
+                logger.debug(TAG, "pages: " + pages.size());
                 detail.setMeta(meta);
                 detail.setPages(pages);
-            });
+            }).join();
+
             return detail;
         });
     }
@@ -150,7 +157,13 @@ public class DocumentImpl implements Document {
         return CompletableFuture.supplyAsync(() -> {
             FileManager fileManager = fileManagerFactory.create(deviceInfoUtils.getExternalStorageDirectory());
             try {
-                return xmlMetaParser.deserialize(fileManager.resolve(documentId).loadXml("meta.xml")).getPages();
+                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());
@@ -174,7 +187,7 @@ public class DocumentImpl implements Document {
             }
             for (XmlMetaPageModel xmlMetaPageModel : xmlMetaPageModels) {
                 try {
-                    pages.add(new Page(xmlMetaPageModel.getFilename(), fileManager.loadBitmap(xmlMetaPageModel.getFilename())));
+                    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());
@@ -185,4 +198,24 @@ public class DocumentImpl implements Document {
             return pages;
         });
     }
+
+    private CompletableFuture<Void> updateXmlMeta(DocumentDetail documentDetail) {
+        return CompletableFuture.supplyAsync(() -> {
+            // TODO-rca: リビジョンIDを検証する, 挿入する
+            FileManager fileManager = fileManagerFactory.create(deviceInfoUtils.getExternalStorageDirectory());
+            ArrayList<XmlMetaPageModel> xmlMetaPageModels = new ArrayList<>();
+            for (Page page : documentDetail.getPages()) {
+                xmlMetaPageModels.add(new XmlMetaPageModel(page.getFileName()));
+            }
+            try {
+                fileManager.createDirectoryIfNotExist(documentDetail.getMeta().getId()).resolve(documentDetail.getMeta().getId())
+                        .createFileIfNotExist("meta.xml").resolve("meta.xml").saveXml(xmlMetaParser.serialize(new XmlMetaModel("revisionId_PLACEHOLDER", xmlMetaPageModels)));
+            } catch (IOException e) {
+                logger.error(TAG, "DocumentMeta serialize error");
+                logger.trace(TAG, e.getMessage());
+                logger.e_code("e3b4d0c9-5b7e-4b7e-9e9a-5b8b8b8b8b8b");
+            }
+            return null;
+        });
+    }
 }

feature/home/build.gradle

@@ -57,4 +57,6 @@ dependencies {
     implementation "androidx.recyclerview:recyclerview:1.3.2"
 
     implementation project(':component:common')
+
+    implementation project(':component:viewer')
 }

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

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

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

@@ -1,5 +1,6 @@
 package one.nem.lacerta.feature.home;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -28,6 +29,7 @@ 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;
@@ -78,7 +80,12 @@ public class HomeTopFragment extends Fragment {
         RecyclerView recyclerView = view.findViewById(R.id.home_item_recycler_view);
 
 
-        ListItemAdapter listItemAdapter = new ListItemAdapter();
+        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()));
 

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

@@ -1,5 +1,6 @@
 package one.nem.lacerta.feature.home;
 
+import android.content.Intent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -11,18 +12,18 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import java.util.ArrayList;
 
+import one.nem.lacerta.component.viewer.ViewerMainActivity;
 import one.nem.lacerta.model.ListItem;
 
 public class ListItemAdapter extends RecyclerView.Adapter<ListItemAdapter.ListItemViewHolder>{
 
     ArrayList<ListItem> listItems;
 
-    public ListItemAdapter(ArrayList<ListItem> listItems){
+    DocumentSelectListener listener;
-        this.listItems = listItems;
-    }
 
-    public ListItemAdapter() {
+    public ListItemAdapter(DocumentSelectListener listener){
         this.listItems = new ArrayList<>();
+        this.listener = listener;
     }
 
     public void setListItems(ArrayList<ListItem> listItems) {
@@ -43,6 +44,12 @@ public class ListItemAdapter extends RecyclerView.Adapter<ListItemAdapter.ListIt
         holder.icon.setColorFilter(one.nem.lacerta.shared.ui.R.color.colorOnSurface);
         holder.title.setText(listItem.getTitle());
         holder.description.setText(listItem.getDescription());
+
+        holder.itemView.setOnClickListener( v -> {
+            Intent intent = new Intent(v.getContext(), ViewerMainActivity.class);
+            intent.putExtra("documentId", listItem.getItemId());
+            v.getContext().startActivity(intent);
+        });
     }
 
     @Override

processor/src/main/java/one/nem/lacerta/processor/DocumentProcessor.java

@@ -7,13 +7,13 @@ import one.nem.lacerta.model.document.DocumentDetail;
 public interface DocumentProcessor {
 
     // ページ操作
-    void addNewPageToLast(Bitmap bitmap) throws Exception;
+    DocumentProcessor addNewPageToLast(Bitmap bitmap) throws Exception;
-    void addNewPagesToLast(Bitmap[] bitmaps) throws Exception;
+    DocumentProcessor addNewPagesToLast(Bitmap[] bitmaps) throws Exception;
-    void insertPageAtIndex(Bitmap bitmap, int index) throws Exception;
+    DocumentProcessor insertPageAtIndex(Bitmap bitmap, int index) throws Exception;
-    void removePageAtIndex(int index) throws Exception;
+    DocumentProcessor removePageAtIndex(int index) throws Exception;
 
     // 更新
-    void updatePageAtIndex(Bitmap bitmap, int index);
+    DocumentProcessor updatePageAtIndex(Bitmap bitmap, int index);
 
     // ページ取得
     Bitmap getPageAtIndex(int index);

processor/src/main/java/one/nem/lacerta/processor/impl/DocumentProcessorImpl.java

@@ -70,7 +70,7 @@ public class DocumentProcessorImpl implements DocumentProcessor{
 
 
     @Override
-    public void addNewPageToLast(Bitmap bitmap) throws Exception{
+    public DocumentProcessor addNewPageToLast(Bitmap bitmap) throws Exception{
         logger.debug("addNewPageToLast", "called");
         String filename = UUID.randomUUID().toString() + ".png"; // TODO-rca: 拡張子を動的にする
 
@@ -85,19 +85,23 @@ public class DocumentProcessorImpl implements DocumentProcessor{
 
         logger.info("addNewPageToLast", "finished");
         logger.info("addNewPageToLast", "filename: " + filename);
+
+        return this;
     }
 
     @Override
-    public void addNewPagesToLast(Bitmap[] bitmaps) throws Exception{
+    public DocumentProcessor addNewPagesToLast(Bitmap[] bitmaps) throws Exception{
         logger.debug("addNewPagesToLast", "called");
 
         for (Bitmap bitmap : bitmaps) {
             addNewPageToLast(bitmap);
         } // TODO-rca: 効率悪いので改善する
+
+        return this;
     }
 
     @Override
-    public void insertPageAtIndex(Bitmap bitmap, int index) throws Exception {
+    public DocumentProcessor insertPageAtIndex(Bitmap bitmap, int index) throws Exception {
         logger.debug("addNewPageAfterIndex", "called");
         String filename = UUID.randomUUID().toString() + ".png"; // TODO-rca: 拡張子を動的にする
 
@@ -109,16 +113,18 @@ public class DocumentProcessorImpl implements DocumentProcessor{
         this.documentDetail.getPages().add(index, page);
 
         lacertaVcs.insertPage(index, filename);
+
+        return this;
     }
 
     @Override
-    public void removePageAtIndex(int index) {
+    public DocumentProcessor removePageAtIndex(int index) {
-
+        return null;
     }
 
     @Override
-    public void updatePageAtIndex(Bitmap bitmap, int index) {
+    public DocumentProcessor updatePageAtIndex(Bitmap bitmap, int index) {
-
+        return null;
     }
 
     @Override

source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java

@@ -37,7 +37,11 @@ public class FileManagerImpl implements FileManager {
     @AssistedInject
     public FileManagerImpl(LacertaLogger logger, @Assisted Path rootDir) {
         this.logger = logger;
+        if (rootDir == null) {
+            throw new IllegalArgumentException("rootDir must not be null");
+        }
         this.rootDir = rootDir;
+        this.path = rootDir;
     }
 
     // for generate new instance
@@ -62,6 +66,10 @@ public class FileManagerImpl implements FileManager {
             try {
                 resolvedPath = resolvedPath.resolve(pathPart);
             } catch (Exception e) {
+                logger.error("resolveStringPath", e.getMessage());
+                logger.debug("resolveStringPath", "this.path: " + this.path);
+                logger.debug("resolveStringPath", "pathPart: " + pathPart);
+                logger.debug("resolveStringPath", "resolvedPath: " + resolvedPath);
                 throw new IOException("Invalid path: " + path);
             }
         }

utils/src/main/java/one/nem/lacerta/utils/impl/DeviceInfoUtilsImpl.java

@@ -20,7 +20,9 @@ public class DeviceInfoUtilsImpl implements DeviceInfoUtils {
 
     @Override
     public Path getExternalStorageDirectory() {
-        // TODO-rca: 結果がnullだった場合の処理を追加する？
+        if (applicationContext.getExternalFilesDir(null) == null) {
+            throw new RuntimeException("applicationContext.getExternalFilesDir(null) is null");
+        }
         return Objects.requireNonNull(applicationContext.getExternalFilesDir(null)).toPath();
     }
 
@@ -31,7 +33,9 @@ public class DeviceInfoUtilsImpl implements DeviceInfoUtils {
 
     @Override
     public Path getExternalStorageDirectory(String type) {
-        // TODO-rca: 結果がnullだった場合の処理を追加する？
+        if(applicationContext.getExternalFilesDir(type) == null) {
+            throw new RuntimeException("applicationContext.getExternalFilesDir(" + type + ") is null");
+        }
         return Objects.requireNonNull(applicationContext.getExternalFilesDir(type)).toPath();
     }
 

utils/src/main/java/one/nem/lacerta/utils/impl/XmlMetaParserImpl.java

@@ -17,6 +17,8 @@ import one.nem.lacerta.utils.LacertaLogger;
 
 public class XmlMetaParserImpl implements XmlMetaParser{
 
+    String TAG = getClass().getSimpleName();
+
     @Inject
     LacertaLogger logger;
 
@@ -35,13 +37,18 @@ public class XmlMetaParserImpl implements XmlMetaParser{
             meta.setRevisionId(rootElement.getElementsByTagName("revisionId").item(0).getTextContent());
 
             ArrayList<XmlMetaPageModel> pages = new ArrayList<>();
-            for(int i = 0; i < rootElement.getElementsByTagName("pages").getLength(); i++) {
+            for (int i = 0; i < rootElement.getElementsByTagName("page").getLength(); i++) {
                 Element pageElement = (Element) rootElement.getElementsByTagName("page").item(i);
                 XmlMetaPageModel page = new XmlMetaPageModel();
                 page.setFilename(pageElement.getElementsByTagName("filename").item(0).getTextContent());
                 pages.add(page);
             }
 
+            logger.debug(TAG, "Parsed Meta: " + meta.getRevisionId() + " " + pages.size() + " pages.");
+            for (XmlMetaPageModel page : pages) {
+                logger.debug(TAG, "\tPage: " + page.getFilename());
+            }
+
             meta.setPages(pages);
 
             return meta;