Android: Add refresh library function.

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

@@ -140,6 +140,12 @@ public final class GameGridActivity extends Activity implements LoaderManager.Lo
 				Intent settings = new Intent(this, SettingsActivity.class);
 				startActivity(settings);
 				return true;
+
+			case R.id.menu_refresh:
+				getContentResolver().insert(GameProvider.URI_REFRESH, null);
+				getLoaderManager().restartLoader(LOADER_ID_GAMES, null, this);
+
+				return true;
 		}
 
 		return false;

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/model/GameProvider.java

@@ -15,13 +15,17 @@ import org.dolphinemu.dolphinemu.BuildConfig;
  */
 public final class GameProvider extends ContentProvider
 {
+	public static final String REFRESH_LIBRARY = "refresh";
+
 	public static final String AUTHORITY = "content://" + BuildConfig.APPLICATION_ID + ".provider";
 	public static final Uri URI_FOLDER = Uri.parse(AUTHORITY + "/" + GameDatabase.TABLE_NAME_FOLDERS + "/");
 	public static final Uri URI_GAME = Uri.parse(AUTHORITY + "/" + GameDatabase.TABLE_NAME_GAMES + "/");
+	public static final Uri URI_REFRESH = Uri.parse(AUTHORITY + "/" + REFRESH_LIBRARY + "/");
 
 	public static final String MIME_TYPE_FOLDER = "vnd.android.cursor.item/vnd.dolphin.folder";
 	public static final String MIME_TYPE_GAME = "vnd.android.cursor.item/vnd.dolphin.game";
 
+
 	private GameDatabase mDbHelper;
 
 	@Override
@@ -92,6 +96,12 @@ public final class GameProvider extends ContentProvider
 
 		if (table != null)
 		{
+			if (table.equals(REFRESH_LIBRARY))
+			{
+				mDbHelper.scanLibrary(database);
+				return uri;
+			}
+
 			id = database.insertWithOnConflict(table, null, values, SQLiteDatabase.CONFLICT_IGNORE);
 
 			// If insertion was successful...

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

@@ -1,7 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/menu_refresh"
+        android:title="@string/grid_menu_refresh"
+        android:icon="@drawable/ic_refresh"
+        android:showAsAction="ifRoom"/>
     <item
         android:id="@+id/menu_settings"
         android:title="@string/grid_menu_settings"
-        android:showAsAction="never"/>
+        android:icon="@drawable/ic_settings"
+        android:showAsAction="ifRoom"/>
+
 </menu>

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

@@ -226,6 +226,7 @@
 
     <!-- Game Grid Screen-->
     <string name="grid_menu_settings">Settings</string>
+    <string name="grid_menu_refresh">Refresh Library</string>
 
     <!-- Add Directory Screen-->
     <string name="add_directory_title">Add Folder to Library</string>