protected override void OnCreate(Bundle savedInstanceState) { base.OnCreate(savedInstanceState); RequestWindowFeature(Window.FEATURE_NO_TITLE); GetWindow().SetFlags(IWindowManager_LayoutParams.FLAG_FULLSCREEN, IWindowManager_LayoutParams.FLAG_FULLSCREEN); bool isPortrait = GetResources().GetConfiguration().Orientation == Configuration.ORIENTATION_PORTRAIT; int frameBufferWidth = isPortrait ? 480 : 800; int frameBufferHeight = isPortrait ? 800 : 480; Bitmap frameBuffer = Bitmap.CreateBitmap(frameBufferWidth, frameBufferHeight, Bitmap.Config.RGB_565); float scaleX = (float)frameBufferWidth / GetWindowManager().GetDefaultDisplay().GetWidth(); float scaleY = (float)frameBufferHeight / GetWindowManager().GetDefaultDisplay().GetHeight(); renderView = new AndroidFastRenderView(this, frameBuffer); graphics = new AndroidGraphics(GetAssets(), GetAssetsPrefix(), frameBuffer); fileIO = new AndroidFileIO(this); audio = new AndroidAudio(this); input = new AndroidInput(this, renderView, scaleX, scaleY); screen = getInitScreen(); SetContentView(renderView); PowerManager powerManager = (PowerManager)GetSystemService(Context.POWER_SERVICE); wakeLock = powerManager.NewWakeLock(PowerManager.FULL_WAKE_LOCK, "MyGame"); }