Android Refactor: GameGridActivity is now MainActivity, and uses a Toolbar that reacts to the game grid scrolling.

Source/Android/app/src/main/AndroidManifest.xml

@@ -26,7 +26,7 @@
         android:banner="@drawable/banner_tv">
 
         <activity
-            android:name=".activities.GameGridActivity"
+            android:name=".activities.MainActivity"
             android:theme="@style/DolphinGamecube">
 
             <!-- This intentfilter marks this Activity as the one that gets launched from Home screen. -->

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/MainActivity.java

@@ -12,12 +12,12 @@ import android.support.design.widget.FloatingActionButton;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.GridLayoutManager;
 import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
-import android.widget.Toolbar;
 
 import org.dolphinemu.dolphinemu.NativeLibrary;
 import org.dolphinemu.dolphinemu.R;
@@ -27,10 +27,10 @@ import org.dolphinemu.dolphinemu.model.GameProvider;
 import org.dolphinemu.dolphinemu.services.AssetCopyService;
 
 /**
- * The main Activity of the Lollipop style UI. Shows a grid of games on tablets & landscape phones,
+ * The main Activity of the Lollipop style UI. Manages several PlatformGamesFragments, which
- * shows a list of games on portrait phones.
+ * individually display a grid of available games for each Fragment, in a tabbed layout.
  */
-public final class GameGridActivity extends AppCompatActivity implements LoaderManager.LoaderCallbacks<Cursor>
+public final class MainActivity extends AppCompatActivity implements LoaderManager.LoaderCallbacks<Cursor>
 {
 	private static final int REQUEST_ADD_DIRECTORY = 1;
 
@@ -43,10 +43,10 @@ public final class GameGridActivity extends AppCompatActivity implements LoaderM
 	protected void onCreate(Bundle savedInstanceState)
 	{
 		super.onCreate(savedInstanceState);
-		setContentView(R.layout.activity_game_grid);
+		setContentView(R.layout.activity_main);
 
-		Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_game_list);
+		Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_main);
-		setActionBar(toolbar);
+		setSupportActionBar(toolbar);
 
 		FloatingActionButton buttonAddDirectory = (FloatingActionButton) findViewById(R.id.button_add_directory);
 		RecyclerView recyclerView = (RecyclerView) findViewById(R.id.grid_games);
@@ -73,7 +73,7 @@ public final class GameGridActivity extends AppCompatActivity implements LoaderM
 			@Override
 			public void onClick(View view)
 			{
-				Intent fileChooser = new Intent(GameGridActivity.this, AddDirectoryActivity.class);
+				Intent fileChooser = new Intent(MainActivity.this, AddDirectoryActivity.class);
 
 				// The second argument to this method is read below in onActivityResult().
 				startActivityForResult(fileChooser, REQUEST_ADD_DIRECTORY);

Source/Android/app/src/main/res/layout/activity_game_grid.xml

@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              xmlns:app="http://schemas.android.com/apk/res-auto"
-              xmlns:tools="http://schemas.android.com/tools"
-              android:layout_width="match_parent"
-              android:layout_height="match_parent"
-              android:orientation="vertical">
-
-    <Toolbar
-        android:id="@+id/toolbar_game_list"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="?android:colorPrimary"
-        android:minHeight="?android:attr/actionBarSize"
-        android:theme="@android:style/ThemeOverlay.Material.Dark.ActionBar"
-        android:elevation="6dp"/>
-
-    <FrameLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-        <android.support.v7.widget.RecyclerView
-            android:id="@+id/grid_games"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            tools:listitem="@layout/grid_card_game"
-            android:layout_marginLeft="@dimen/activity_horizontal_margin"
-            android:layout_marginRight="@dimen/activity_horizontal_margin"/>
-
-        <android.support.design.widget.FloatingActionButton
-            android:id="@+id/button_add_directory"
-            android:layout_width="56dp"
-            android:layout_height="56dp"
-            android:layout_alignBottom="@+id/image_game_screen"
-            android:layout_alignEnd="@+id/text_game_title"
-            android:layout_marginBottom="28dp"
-            android:src="@drawable/ic_add"
-            app:borderWidth="0dp"
-            app:rippleColor="?android:colorPrimaryDark"
-            app:elevation="6dp"
-            app:pressedTranslationZ="12dp"
-            android:layout_gravity="bottom|right"
-            android:layout_marginRight="@dimen/activity_horizontal_margin"/>
-    </FrameLayout>
-
-</LinearLayout>

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

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout 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/coordinator_main"
+                                                 android:layout_width="match_parent"
+                                                 android:layout_height="match_parent"
+                                                 android:fitsSystemWindows="true">
+
+    <android.support.design.widget.AppBarLayout
+        android:id="@+id/appbar"
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/main_appbar_height"
+        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar_main"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
+            app:layout_scrollFlags="scroll|enterAlways"/>
+
+    </android.support.design.widget.AppBarLayout>
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/grid_games"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:listitem="@layout/grid_card_game"
+        android:layout_marginLeft="@dimen/activity_horizontal_margin"
+        android:layout_marginRight="@dimen/activity_horizontal_margin"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/button_add_directory"
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:layout_margin="16dp"
+        android:src="@drawable/ic_add"
+        app:borderWidth="0dp"
+        app:rippleColor="?android:colorPrimaryDark"
+        app:layout_anchor="@+id/grid_games"
+        app:layout_anchorGravity="bottom|right|end"/>
+</android.support.design.widget.CoordinatorLayout>

Source/Android/app/src/main/res/menu/menu_game_grid.xml

@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
     <item
         android:id="@+id/menu_refresh"
         android:title="@string/grid_menu_refresh"
         android:icon="@drawable/ic_refresh"
-        android:showAsAction="ifRoom"/>
+        app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/menu_settings"
         android:title="@string/grid_menu_settings"
         android:icon="@drawable/ic_settings"
-        android:showAsAction="ifRoom"/>
+        app:showAsAction="ifRoom"/>
 
 </menu>

Source/Android/app/src/main/res/values/dimens.xml

@@ -7,4 +7,6 @@
     <dimen name="elevation_low">1dp</dimen>
     <dimen name="elevation_high">4dp</dimen>
     <dimen name="add_button_margin">16dp</dimen>
+
+    <dimen name="main_appbar_height">128dp</dimen>
 </resources>