pan_gesture.java

class GestureListener implements GestureDetector.OnGestureListener, GestureDetector.OnDoubleTapListener
{
    @Override
    public boolean onSingleTapConfirmed(MotionEvent e)
    {
        // Do smth with single tap
    }

    @Override
    public boolean onDoubleTapEvent(MotionEvent e)
    {
        // Do smth with double tap
    }

    @Override
    public boolean onDown(MotionEvent e)
    {
        // Do smth when the users finger is down
    }

    @Override
    public boolean onSingleTapUp(MotionEvent e)
    {
        // Do smth when the single tap is finished
    }

    @Override
    public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY)
    {
        // Do smth when the scroll on screen happens
    }

    @Override
    public void onLongPress(MotionEvent e)
    {
        // Do smth when the long press happens
    }

    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
    {
        // Do smth when the fling happens
    }
}