public class ViewFlipperSampleActivity extends Activity {

    private static final int SWIPE_MIN_DISTANCE = 120;
    private static final int SWIPE_THRESHOLD_VELOCITY = 200;
    private ViewFlipper mViewFlipper;
    private Context mContext;

    private final GestureDetector detector = new GestureDetector(new SwipeGestureDetector());

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        mContext = this;
        mViewFlipper = (ViewFlipper) this.findViewById(R.id.view_flipper);
        mViewFlipper.setOnTouchListener(new OnTouchListener() {
            @Override
            public boolean onTouch(final View view, final MotionEvent event) {
                detector.onTouchEvent(event);
                return true;
            }
        });
    }

    class SwipeGestureDetector extends SimpleOnGestureListener {
        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
            try {
                // right to left swipe
                if (e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
                    mViewFlipper.setInAnimation(AnimationUtils.loadAnimation(mContext, R.anim.left_in));
                    mViewFlipper.setOutAnimation(AnimationUtils.loadAnimation(mContext, R.anim.left_out));
                    mViewFlipper.showNext();
                    return true;
                } else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
                    mViewFlipper.setInAnimation(AnimationUtils.loadAnimation(mContext, R.anim.right_in));
                    mViewFlipper.setOutAnimation(AnimationUtils.loadAnimation(mContext,R.anim.right_out));
                    mViewFlipper.showPrevious();
                    return true;
                }

            } catch (Exception e) {
                e.printStackTrace();
            }

            return false;
        }
    }
}