Sound in App

public class NochmalActivity extends Activity{
    
        
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        View view = findViewById(R.id.textView1);
        setContentView(new Panel(this));  
    }

    class Panel extends SurfaceView implements SurfaceHolder.Callback{
        private TutorialThread _thread;
        private int _x = 20;
        private int _y = 20;
        Bitmap mBitmap;
        
        public Panel(Context context){
            super(context);
            mBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ziehmich);
            getHolder().addCallback(this);
            _thread = new TutorialThread(getHolder(), this);
            setFocusable(true);
                        
        }
        public void onDraw (Canvas canvas){
            Bitmap _scratch = BitmapFactory.decodeResource(getResources(), R.drawable.ziehmich);
            canvas.drawColor(Color.BLACK);
            canvas.drawBitmap(_scratch, _x, _y,null);                        
        }
        
        public boolean onTouchEvent(MotionEvent event){
            _x = (int) event.getX();
            _y = (int) event.getY();
            return true;
        }
        @Override
        public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
            // TODO Auto-generated method stub
            
        }
        @Override
        public void surfaceCreated(SurfaceHolder holder) {
            _thread.setRunning(true);
            _thread.start();
            
        }
        @Override
        public void surfaceDestroyed(SurfaceHolder holder) {
            boolean retry = true;
            _thread.setRunning(false);
            while (retry){
                try{
                    _thread.join();
                    retry = false;
                } catch (InterruptedException e){
            }
        }            
    }
}
        
 
            class TutorialThread extends Thread {
                private SurfaceHolder _surfaceHolder;
                private Panel _panel;
                private boolean _run = false;
         
                public TutorialThread(SurfaceHolder surfaceHolder, Panel panel) {
                    _surfaceHolder = surfaceHolder;
                    _panel = panel;
                }
         
                public void setRunning(boolean run) {
                    _run = run;
                }
         
                @Override
                public void run() {
                    Canvas c;
                    while (_run) {
                        c = null;
                        try {
                            c = _surfaceHolder.lockCanvas(null);
                            synchronized (_surfaceHolder) {
                                _panel.onDraw(c);
                            }
                        } finally {
                            // do this in a finally so that if an exception is thrown
                            // during the above, we don't leave the Surface in an
                            // inconsistent state
                            if (c != null) {
                                _surfaceHolder.unlockCanvasAndPost(c);
                            }
                        }
                    }
                }
            }

public class PlaySoundAct extends Activity implements OnTouchListener {
    
    private SoundPool soundPool;
    private int soundID;
    boolean loaded = false;
    
    
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        View view = findViewById(R.id.textView1);
        view.setOnTouchListener(this);
        this.setVolumeControlStream(AudioManager.STREAM_MUSIC);
        soundPool = new SoundPool(10, AudioManager.STREAM_MUSIC, 0);
        soundPool.setOnLoadCompleteListener(new OnLoadCompleteListener() {
            
            public void onLoadComplete(SoundPool soundPool, int sampleId, int status) {
                // TODO Auto-generated method stub
                loaded = true;
            }
        });
        
        soundID = soundPool.load(this, R.raw.sound1, 1);
       
    }
    public boolean onTouch(View v, MotionEvent event) {
        if (event.getAction() == MotionEvent.ACTION_DOWN){
            AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
            
            float actualVolume = (float) audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
            float maxVolume = (float) audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
            float volume = actualVolume / maxVolume;
            if (loaded){
                soundPool.play(soundID, volume, volume, 1, 0, 1f);
                Log.e("Test", "Sound gespielt");
            }
        }
        // TODO Auto-generated method stub
        return false;
    }
}