Replace all Anonymouse class with lambdas or method refernce where applicable

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java

@@ -384,14 +384,7 @@ public final class NativeLibrary
 		final EmulationActivity emulationActivity = sEmulationActivity.get();
 		if (emulationActivity != null)
 		{
-			emulationActivity.runOnUiThread(new Runnable()
+			emulationActivity.runOnUiThread(() -> Toast.makeText(emulationActivity, "Panic Alert: " + alert, Toast.LENGTH_LONG).show());
-			{
-				@Override
-				public void run()
-				{
-					Toast.makeText(emulationActivity, "Panic Alert: " + alert, Toast.LENGTH_LONG).show();
-				}
-			});
 		}
 		else
 		{

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

@@ -175,24 +175,13 @@ public final class EmulationActivity extends AppCompatActivity
 
 			// Get a handle to the Window containing the UI.
 			mDecorView = getWindow().getDecorView();
-			mDecorView.setOnSystemUiVisibilityChangeListener
+			mDecorView.setOnSystemUiVisibilityChangeListener(visibility ->
-					(new View.OnSystemUiVisibilityChangeListener() {
+			{
-				@Override
-				public void onSystemUiVisibilityChange(int visibility) {
 				if ((visibility & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0)
 				{
 					// Go back to immersive fullscreen mode in 3s
 					Handler handler = new Handler(getMainLooper());
-						handler.postDelayed(new Runnable()
+					handler.postDelayed(this::enableFullscreenImmersive, 3000 /* 3s */);
-						{
-							@Override
-							public void run()
-							{
-								enableFullscreenImmersive();
-							}
-						},
-						3000 /* 3s */);
-					}
 				}
 			});
 			// Set these options now so that the SurfaceView the game renders into is the right size.
@@ -251,14 +240,7 @@ public final class EmulationActivity extends AppCompatActivity
 
 			Animations.fadeViewOut(mImageView)
 					.setStartDelay(2000)
-					.withEndAction(new Runnable()
+					.withEndAction(() -> mImageView.setVisibility(View.GONE));
-					{
-						@Override
-						public void run()
-						{
-							mImageView.setVisibility(View.GONE);
-						}
-					});
 		}
 		else
 		{
@@ -328,12 +310,8 @@ public final class EmulationActivity extends AppCompatActivity
 		}
 	}
 
-	public void exitWithAnimation()
+	public void exitWithAnimation() {
-	{
+		runOnUiThread(() ->
-		runOnUiThread(new Runnable()
-		{
-			@Override
-			public void run()
 		{
 			Picasso.with(EmulationActivity.this)
 					.invalidate(mScreenPath);
@@ -342,21 +320,17 @@ public final class EmulationActivity extends AppCompatActivity
 					.load(mScreenPath)
 					.noFade()
 					.noPlaceholder()
-						.into(mImageView, new Callback()
+					.into(mImageView, new Callback() {
-						{
 						@Override
-							public void onSuccess()
+						public void onSuccess() {
-							{
 							showScreenshot();
 						}
 
 						@Override
-							public void onError()
+						public void onError() {
-							{
 							finish();
 						}
 					});
-			}
 		});
 	}
 
@@ -575,60 +549,31 @@ public final class EmulationActivity extends AppCompatActivity
 				enabledButtons[i] = mPreferences.getBoolean("buttonToggleGc" + i, true);
 			}
 			builder.setMultiChoiceItems(R.array.gcpadButtons, enabledButtons,
-					new DialogInterface.OnMultiChoiceClickListener() {
+					(dialog, indexSelected, isChecked) -> editor.putBoolean("buttonToggleGc" + indexSelected, isChecked));
-						@Override
-						public void onClick(DialogInterface dialog, int indexSelected, boolean isChecked) {
-							editor.putBoolean("buttonToggleGc" + indexSelected, isChecked);
-						}
-					});
 		} else if (mPreferences.getInt("wiiController", 3) == 4) {
 			for (int i = 0; i < enabledButtons.length; i++) {
 				enabledButtons[i] = mPreferences.getBoolean("buttonToggleClassic" + i, true);
 			}
 			builder.setMultiChoiceItems(R.array.classicButtons, enabledButtons,
-					new DialogInterface.OnMultiChoiceClickListener() {
+					(dialog, indexSelected, isChecked) -> editor.putBoolean("buttonToggleClassic" + indexSelected, isChecked));
-						@Override
-						public void onClick(DialogInterface dialog, int indexSelected, boolean isChecked) {
-							editor.putBoolean("buttonToggleClassic" + indexSelected, isChecked);
-						}
-					});
 		} else {
 			for (int i = 0; i < enabledButtons.length; i++) {
 				enabledButtons[i] = mPreferences.getBoolean("buttonToggleWii" + i, true);
 			}
 			if (mPreferences.getInt("wiiController", 3) == 3) {
 				builder.setMultiChoiceItems(R.array.nunchukButtons, enabledButtons,
-						new DialogInterface.OnMultiChoiceClickListener() {
+						(dialog, indexSelected, isChecked) -> editor.putBoolean("buttonToggleWii" + indexSelected, isChecked));
-							@Override
-							public void onClick(DialogInterface dialog, int indexSelected, boolean isChecked) {
-								editor.putBoolean("buttonToggleWii" + indexSelected, isChecked);
-							}
-						});
 			} else {
 				builder.setMultiChoiceItems(R.array.wiimoteButtons, enabledButtons,
-						new DialogInterface.OnMultiChoiceClickListener() {
+						(dialog, indexSelected, isChecked) -> editor.putBoolean("buttonToggleWii" + indexSelected, isChecked));
-							@Override
-							public void onClick(DialogInterface dialog, int indexSelected, boolean isChecked) {
-								editor.putBoolean("buttonToggleWii" + indexSelected, isChecked);
-							}
-						});
 			}
 		}
-		builder.setNeutralButton(getString(R.string.emulation_toggle_all), new DialogInterface.OnClickListener() {
+		builder.setNeutralButton(getString(R.string.emulation_toggle_all), (dialogInterface, i) -> mEmulationFragment.toggleInputOverlayVisibility());
-			@Override
+		builder.setPositiveButton(getString(R.string.ok), (dialogInterface, i) ->
-			public void onClick(DialogInterface dialogInterface, int i)
-			{
-				mEmulationFragment.toggleInputOverlayVisibility();
-			}
-		});
-		builder.setPositiveButton(getString(R.string.ok), new DialogInterface.OnClickListener() {
-			@Override
-			public void onClick(DialogInterface dialogInterface, int i)
 		{
 			editor.apply();
 
 			mEmulationFragment.refreshInputOverlay();
-			}
 		});
 
 		AlertDialog alertDialog = builder.create();
@@ -665,15 +610,13 @@ public final class EmulationActivity extends AppCompatActivity
 		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 		builder.setTitle(R.string.emulation_control_scale);
 		builder.setView(view);
-		builder.setPositiveButton(getString(R.string.ok), new DialogInterface.OnClickListener() {
+		builder.setPositiveButton(getString(R.string.ok), (dialogInterface, i) ->
-			@Override
+		{
-			public void onClick(DialogInterface dialogInterface, int i) {
 			SharedPreferences.Editor editor = mPreferences.edit();
 			editor.putInt("controlScale", seekbar.getProgress());
 			editor.apply();
 
 			mEmulationFragment.refreshInputOverlay();
-			}
 		});
 
 		AlertDialog alertDialog = builder.create();
@@ -685,24 +628,20 @@ public final class EmulationActivity extends AppCompatActivity
 		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 		builder.setTitle(R.string.emulation_choose_controller);
 		builder.setSingleChoiceItems(R.array.controllersEntries, mPreferences.getInt("wiiController", 3),
-				new DialogInterface.OnClickListener() {
+				(dialog, indexSelected) ->
-					@Override
+				{
-					public void onClick(DialogInterface dialog, int indexSelected) {
 					editor.putInt("wiiController", indexSelected);
 
 					NativeLibrary.SetConfig("WiimoteNew.ini", "Wiimote1", "Extension",
 							getResources().getStringArray(R.array.controllersValues)[indexSelected]);
-					}
 				});
-		builder.setPositiveButton(getString(R.string.ok), new DialogInterface.OnClickListener() {
+		builder.setPositiveButton(getString(R.string.ok), (dialogInterface, i) ->
-			@Override
+		{
-			public void onClick(DialogInterface dialogInterface, int i) {
 			editor.apply();
 
 			mEmulationFragment.refreshInputOverlay();
 
 			Toast.makeText(getApplication(), R.string.emulation_controller_changed, Toast.LENGTH_SHORT).show();
-			}
 		});
 
 		AlertDialog alertDialog = builder.create();

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/adapters/FileAdapter.java

@@ -132,15 +132,11 @@ public final class FileAdapter extends RecyclerView.Adapter<FileViewHolder> impl
 				// Delay the loading of the new directory to give a little bit of time for UI feedback
 				// to happen. Hacky, but good enough for now; this is necessary because we're modifying
 				// the RecyclerView's contents, rather than constructing a new one.
-				view.getHandler().postDelayed(new Runnable()
+				view.getHandler().postDelayed(() ->
-				{
-					@Override
-					public void run()
 				{
 					mFileList = fileList;
 					notifyDataSetChanged();
 					mListener.updateSubtitle(path);
-					}
 				}, 200);
 			}
 		}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/dialogs/GameDetailsDialog.java

@@ -68,10 +68,7 @@ public final class GameDetailsDialog extends DialogFragment
 		textCountry.setText(country);
 		textDate.setText(getArguments().getString(ARG_GAME_DATE));
 
-		buttonLaunch.setOnClickListener(new View.OnClickListener()
+		buttonLaunch.setOnClickListener(view ->
-		{
-			@Override
-			public void onClick(View view)
 		{
 			// Start the emulation activity and send the path of the clicked ROM to it.
 			EmulationActivity.launch(getActivity(),
@@ -80,7 +77,6 @@ public final class GameDetailsDialog extends DialogFragment
 					getArguments().getString(ARG_GAME_SCREENSHOT_PATH),
 					-1,
 					imageGameScreen);
-			}
 		});
 
 		// Fill in the view contents.

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/EmulationFragment.java

@@ -96,14 +96,7 @@ public final class EmulationFragment extends Fragment implements SurfaceHolder.C
 		Button doneButton = contents.findViewById(R.id.done_control_config);
 		if (doneButton != null)
 		{
-			doneButton.setOnClickListener(new View.OnClickListener()
+			doneButton.setOnClickListener(v -> stopConfiguringControls());
-			{
-				@Override
-				public void onClick(View v)
-				{
-					stopConfiguringControls();
-				}
-			});
 		}
 
 		// The new Surface created here will get passed to the native code via onSurfaceChanged.
@@ -327,15 +320,11 @@ public final class EmulationFragment extends Fragment implements SurfaceHolder.C
 			{
 				Log.debug("[EmulationFragment] Starting emulation thread.");
 
-				mEmulationThread = new Thread(new Runnable()
+				mEmulationThread = new Thread(() ->
-				{
-					@Override
-					public void run()
 				{
 					NativeLibrary.SurfaceChanged(mSurface);
 					NativeLibrary.Run(mGamePath);
-					}},
+				}, "NativeEmulation");
-					"NativeEmulation");
 				mEmulationThread.start();
 
 			}

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

@@ -262,10 +262,7 @@ public final class GameDatabase extends SQLiteOpenHelper
 
 	public Observable<Cursor> getGamesForPlatform(final Platform platform)
 	{
-		return Observable.create(new Observable.OnSubscribe<Cursor>()
+		return Observable.create(subscriber ->
-		{
-			@Override
-			public void call(Subscriber<? super Cursor> subscriber)
 		{
 			Log.info("[GameDatabase] Reading games list...");
 
@@ -287,7 +284,6 @@ public final class GameDatabase extends SQLiteOpenHelper
 
 			// Tell the consumer we're done; it will unsubscribe implicitly.
 			subscriber.onCompleted();
-			}
 		});
 	}
 

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

@@ -52,14 +52,7 @@ public final class MainActivity extends AppCompatActivity implements MainView
 		mTabLayout.setupWithViewPager(mViewPager);
 
 		// Set up the FAB.
-		mFab.setOnClickListener(new View.OnClickListener()
+		mFab.setOnClickListener(view -> mPresenter.onFabClick());
-		{
-			@Override
-			public void onClick(View view)
-			{
-				mPresenter.onFabClick();
-			}
-		});
 
 		mPresenter.onCreate();
 

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainPresenter.java

@@ -96,14 +96,6 @@ public final class MainPresenter
 		databaseHelper.getGamesForPlatform(platform)
 				.subscribeOn(Schedulers.io())
 				.observeOn(AndroidSchedulers.mainThread())
-				.subscribe(new Action1<Cursor>()
+				.subscribe(games -> mView.showGames(platform, games));
-						   {
-							   @Override
-							   public void call(Cursor games)
-							   {
-								   mView.showGames(platform, games);
-							   }
-						   }
-				);
 	}
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/TvMainActivity.java

@@ -71,10 +71,7 @@ public final class TvMainActivity extends FragmentActivity implements MainView
 		buildRowsAdapter();
 
 		mBrowseFragment.setOnItemViewClickedListener(
-				new OnItemViewClickedListener()
+                (itemViewHolder, item, rowViewHolder, row) ->
-				{
-					@Override
-					public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, RowPresenter.ViewHolder rowViewHolder, Row row)
                 {
                     // Special case: user clicked on a settings row item.
                     if (item instanceof TvSettingsItem)
@@ -94,7 +91,6 @@ public final class TvMainActivity extends FragmentActivity implements MainView
                                 -1,
                                 holder.imageScreenshot);
                     }
-					}
                 });
 	}
 	/**

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/platform/PlatformGamesPresenter.java

@@ -47,15 +47,11 @@ public final class PlatformGamesPresenter
 		databaseHelper.getGamesForPlatform(mPlatform)
 				.subscribeOn(Schedulers.io())
 				.observeOn(AndroidSchedulers.mainThread())
-				.subscribe(new Action1<Cursor>()
+				.subscribe(games ->
-				{
-					@Override
-					public void call(Cursor games)
 				{
 					Log.debug("[PlatformGamesPresenter] " + mPlatform + ": Load finished, swapping cursor...");
 
 					mView.showGames(games);
-					}
 				});
 	}
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/settings/SettingsAdapter.java

@@ -201,10 +201,7 @@ public final class SettingsAdapter extends RecyclerView.Adapter<SettingViewHolde
 		dialog.setTitle(R.string.input_binding);
 		dialog.setMessage(String.format(mContext.getString(R.string.input_binding_descrip), mContext.getString(item.getNameId())));
 		dialog.setButton(AlertDialog.BUTTON_NEGATIVE, mContext.getString(R.string.cancel), this);
-		dialog.setButton(AlertDialog.BUTTON_NEUTRAL, mContext.getString(R.string.clear), new AlertDialog.OnClickListener()
+		dialog.setButton(AlertDialog.BUTTON_NEUTRAL, mContext.getString(R.string.clear), (dialogInterface, i) ->
-		{
-			@Override
-			public void onClick(DialogInterface dialogInterface, int i)
 		{
 			item.setValue("");
 
@@ -212,12 +209,8 @@ public final class SettingsAdapter extends RecyclerView.Adapter<SettingViewHolde
 			SharedPreferences.Editor editor = sharedPreferences.edit();
 			editor.remove(item.getKey());
 			editor.apply();
-			}
 		});
-		dialog.setOnDismissListener(new AlertDialog.OnDismissListener()
+		dialog.setOnDismissListener(dialog1 ->
-		{
-			@Override
-			public void onDismiss(DialogInterface dialog)
 		{
 			StringSetting setting = new StringSetting(item.getKey(), item.getSection(), item.getFile(), item.getValue());
 			notifyItemChanged(position);
@@ -228,7 +221,6 @@ public final class SettingsAdapter extends RecyclerView.Adapter<SettingViewHolde
 			}
 
 			mView.onSettingChanged();
-			}
 		});
 		dialog.setCanceledOnTouchOutside(false);
 		dialog.show();

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/Java_GCAdapter.java

@@ -137,14 +137,7 @@ public class Java_GCAdapter {
 					final Activity emulationActivity = NativeLibrary.sEmulationActivity.get();
 					if (emulationActivity != null)
 					{
-						emulationActivity.runOnUiThread(new Runnable()
+						emulationActivity.runOnUiThread(() -> Toast.makeText(emulationActivity, "GameCube Adapter couldn't be opened. Please re-plug the device.", Toast.LENGTH_LONG).show());
-						{
-							@Override
-							public void run()
-							{
-								Toast.makeText(emulationActivity, "GameCube Adapter couldn't be opened. Please re-plug the device.", Toast.LENGTH_LONG).show();
-							}
-						});
 					}
 					else
 					{

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/PermissionsHandler.java

@@ -27,13 +27,8 @@ public class PermissionsHandler {
 		if (hasWritePermission != PackageManager.PERMISSION_GRANTED) {
 			if (activity.shouldShowRequestPermissionRationale(WRITE_EXTERNAL_STORAGE)) {
 				showMessageOKCancel(activity, activity.getString(R.string.write_permission_needed),
-						new DialogInterface.OnClickListener() {
+                        (dialog, which) -> activity.requestPermissions(new String[] {WRITE_EXTERNAL_STORAGE},
-							@Override
+                                REQUEST_CODE_WRITE_PERMISSION));
-							public void onClick(DialogInterface dialog, int which) {
-								activity.requestPermissions(new String[] {WRITE_EXTERNAL_STORAGE},
-										REQUEST_CODE_WRITE_PERMISSION);
-							}
-						});
 				return false;
 			}
 
@@ -58,13 +53,8 @@ public class PermissionsHandler {
 		new AlertDialog.Builder(activity)
 				.setMessage(message)
 				.setPositiveButton(android.R.string.ok, okListener)
-				.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+				.setNegativeButton(android.R.string.cancel, (dialogInterface, i) ->
-					@Override
+						Toast.makeText(activity, R.string.write_permission_needed, Toast.LENGTH_SHORT).show())
-					public void onClick(DialogInterface dialogInterface, int i) {
-						Toast.makeText(activity, R.string.write_permission_needed, Toast.LENGTH_SHORT)
-								.show();
-					}
-				})
 				.create()
 				.show();
 	}