Android-UGallery

public class UGallery extends Gallery {

    public UGallery(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    private boolean isScrollingLeft(MotionEvent e1, MotionEvent e2) {
        return e2.getX() > e1.getX();
    }

    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        int keyCode;
        if (isScrollingLeft(e1, e2)) {
            keyCode = KeyEvent.KEYCODE_DPAD_LEFT;
        } else {
            keyCode = KeyEvent.KEYCODE_DPAD_RIGHT;
        }
        onKeyDown(keyCode, null);
        return true;
    }
}