Improved loading speed of the cached gallery

app/src/main/res/drawable-anydpi/ic_fullscreen.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#FFFFFF">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M7,14L5,14v5h5v-2L7,17v-3zM5,10h2L7,7h3L10,5L5,5v5zM17,17h-3v2h5v-5h-2v3zM14,5v2h3v3h2L19,5h-5z"/>
+</vector>

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

@@ -0,0 +1,8 @@
+<!-- drawable/github-circle.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="#000" android:pathData="M12,2A10,10 0 0,0 2,12C2,16.42 4.87,20.17 8.84,21.5C9.34,21.58 9.5,21.27 9.5,21C9.5,20.77 9.5,20.14 9.5,19.31C6.73,19.91 6.14,17.97 6.14,17.97C5.68,16.81 5.03,16.5 5.03,16.5C4.12,15.88 5.1,15.9 5.1,15.9C6.1,15.97 6.63,16.93 6.63,16.93C7.5,18.45 8.97,18 9.54,17.76C9.63,17.11 9.89,16.67 10.17,16.42C7.95,16.17 5.62,15.31 5.62,11.5C5.62,10.39 6,9.5 6.65,8.79C6.55,8.54 6.2,7.5 6.75,6.15C6.75,6.15 7.59,5.88 9.5,7.17C10.29,6.95 11.15,6.84 12,6.84C12.85,6.84 13.71,6.95 14.5,7.17C16.41,5.88 17.25,6.15 17.25,6.15C17.8,7.5 17.45,8.54 17.35,8.79C18,9.5 18.38,10.39 18.38,11.5C18.38,15.32 16.04,16.16 13.81,16.41C14.17,16.72 14.5,17.33 14.5,18.26C14.5,19.6 14.5,20.68 14.5,21C14.5,21.27 14.66,21.59 15.17,21.5C19.14,20.16 22,16.42 22,12A10,10 0 0,0 12,2Z" />
+</vector>

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

@@ -6,12 +6,18 @@
     android:layout_height="match_parent"
     tools:context=".ReaderActivity">
 
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/reader_recyclerview"
+    <LinearLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_gravity="center"
-        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/reader_recyclerview"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
+
+    </LinearLayout>
 
     <FrameLayout
         android:id="@+id/reader_framelayout"
@@ -26,5 +32,22 @@
             android:layout_gravity="center"/>
 
     </FrameLayout>
+    
+    <com.github.clans.fab.FloatingActionMenu
+        android:id="@+id/reader_fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        app:menu_colorNormal="@color/colorAccent">
+
+        <com.github.clans.fab.FloatingActionButton
+            android:id="@+id/reader_fab_fullscreen"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@drawable/ic_fullscreen"
+            app:fab_label="@string/reader_fab_fullscreen"
+            app:fab_size="mini"/>
+
+    </com.github.clans.fab.FloatingActionMenu>
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/values-ja/strings.xml

@@ -43,4 +43,5 @@
     <string name="main_drawer_group_contact_email">メールを送る</string>
     <string name="help_dialog_title">準備中</string>
     <string name="help_dialog_message">準備中です。</string>
+    <string name="reader_fab_fullscreen">フルスクリーン</string>
 </resources>

app/src/main/res/values-ko/strings.xml

@@ -43,4 +43,5 @@
     <string name="main_drawer_group_contact_title">문의</string>
     <string name="help_dialog_title">준비 중</string>
     <string name="help_dialog_message">준비중입니다.\n만화 화면에서 사진을 길게 누르면 스크롤 방식이 바뀝니다. 알고 계셨나요? :)</string>
+    <string name="reader_fab_fullscreen">전체 화면</string>
 </resources>

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

@@ -48,6 +48,7 @@
     <string name="galleryblock_language">Language: %1$s</string>
 
     <string name="reader_go_to_page">Go to page</string>
+    <string name="reader_fab_fullscreen">Fullscreen</string>
 
     <string name="settings_title">Settings</string>
     <string name="settings_search_title">Search Settings</string>