ブクマ機能おそらくできてる

.idea/gradle.xml

@@ -31,6 +31,7 @@
             <option value="$PROJECT_DIR$/source" />
             <option value="$PROJECT_DIR$/utils" />
             <option value="$PROJECT_DIR$/vcs" />
+            <option value="$PROJECT_DIR$/viewer2" />
           </set>
         </option>
         <option name="resolveExternalAnnotations" value="false" />

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

@@ -1,4 +1,4 @@
-package one.nem.lacerta.component.viewer;
+package one.nem.lacerta.component.viewer.BookMark;
 
 import android.os.Bundle;
 import android.view.GestureDetector;
@@ -14,6 +14,8 @@ import java.util.UUID;
 
 import javax.inject.Inject;
 
+import one.nem.lacerta.component.viewer.R;
+
 // BookMarkFragment.java
 public class BookMarkFragment extends Fragment {
 

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

@@ -1,4 +1,4 @@
-package one.nem.lacerta.component.viewer;
+package one.nem.lacerta.component.viewer.BookMark;
 
 import android.os.Bundle;
 import android.view.LayoutInflater;
@@ -13,6 +13,8 @@ import java.util.List;
 
 import javax.inject.Inject;
 
+import one.nem.lacerta.component.viewer.R;
+
 // BookMarkListFragment.java
 public class BookMarkListFragment extends Fragment {
     @Inject
@@ -31,7 +33,7 @@ public class BookMarkListFragment extends Fragment {
         List<Bookmark> bookmarks = bookmarkRepository.getAllBookmarks();
 
         // ブックマーク一覧を表示するRecyclerViewのセットアップ
-        RecyclerView recyclerView = view.findViewById(R.id.recyclerView);
+        RecyclerView recyclerView = view.findViewById(R.id.recycler_view);
         BookmarkAdapter adapter = new BookmarkAdapter(bookmarks, new OnBookmarkClickListener() {
             @Override
             public void onBookmarkClick(Bookmark selectedBookmark) {

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

@@ -1,4 +1,4 @@
-package one.nem.lacerta.component.viewer;
+package one.nem.lacerta.component.viewer.BookMark;
 
 // Bookmark.java
 public class Bookmark {

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

@@ -1,4 +1,4 @@
-package one.nem.lacerta.component.viewer;
+package one.nem.lacerta.component.viewer.BookMark;
 
 // BookmarkRepository.java
 import java.util.ArrayList;

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

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

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

@@ -11,5 +11,12 @@
         android:layout_height="match_parent"
         app:layout_behavior="@string/appbar_scrolling_view_behavior" />
 
+    <!-- item_bookmark.xml -->
+    <TextView
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/titleTextView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="16dp"/>
 
 </FrameLayout>

settings.gradle

@@ -32,3 +32,4 @@ include ':processor'
 include ':shared:ui'
 include ':vcs'
 include ':feature:setting'
+include ':viewer2'