mGestureDetector = new GestureDetector(getActivity(), new GestureDetector.SimpleOnGestureListener() {
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        Log.i(LOG_TAG, "flip gesture");
        try {
            Log.i(LOG_TAG, "e1: " + e1.toString() + "  || e2: " + e2.toString());
            if(velocityY > -500 && velocityY < 500) {
                if(velocityX < 0) {
                    //flip from right to left
                    Log.i(LOG_TAG, "flip gesture, right to left");
                    mViewFlipper.showNext();
                    return true;
                } else if(velocityX > 0) {
                    //flip from left to right
                    Log.i(LOG_TAG, "flip gesture, left to right");
                    mViewFlipper.showPrevious();
                    return true;
                }
            }
        } catch(Exception e) {
            Log.d(LOG_TAG, "wow... this is bad, something went wrong with paging gestures");
        }
        return false;
    }
    public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
        Log.i(LOG_TAG, "scroll gesture");
        return false;
    }
    public boolean onDown(MotionEvent e) {
        Log.i(LOG_TAG, "Down: "+e.toString());
        return false;
    }
});