Microsoft.Xna.Framework.MonoGameAndroidGameView.OnKeyDown C# (CSharp) Method

        public override bool OnKeyDown(Keycode keyCode, KeyEvent e)
        {
#if OUYA
            if (GamePad.OnKeyDown(keyCode, e))
                return true;
#endif

            Keyboard.KeyDown(keyCode);
            // we need to handle the Back key here because it doesnt work any other way
#if !OUYA
            if (keyCode == Keycode.Back && !this.backPressed)
            {
                this.backPressed = true;
                GamePad.Back = true;
                return true;
            }
#endif

            if (keyCode == Keycode.VolumeUp)
            {
                AudioManager audioManager = (AudioManager)Context.GetSystemService(Context.AudioService);
                audioManager.AdjustStreamVolume(Stream.Music, Adjust.Raise, VolumeNotificationFlags.ShowUi);
                return true;
            }

            if (keyCode == Keycode.VolumeDown)
            {
                AudioManager audioManager = (AudioManager)Context.GetSystemService(Context.AudioService);
                audioManager.AdjustStreamVolume(Stream.Music, Adjust.Lower, VolumeNotificationFlags.ShowUi);
                return true;
            }

            return true;
        }