OnSwipeTouchListener

import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;

public class OnSwipeTouchListener implements View.OnTouchListener {
    private final GestureDetector gd = new GestureDetector(new GestureListener());

    @Override
    public boolean onTouch(View v, MotionEvent event) {
        return gd.onTouchEvent(event);
    }

    private final class GestureListener extends GestureDetector.SimpleOnGestureListener {
        private static final int SWIPE_THRESHOLD = 100;
        private static final int SWIPE_VELOCITY_THRESHOLD = 100;

        @Override
        public boolean onDown(MotionEvent e) {
            return true;
        }
        @Override
        public boolean onSingleTapConfirmed(MotionEvent e) {
            onClick();
            return true;
        }

        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
            float diffX = e2.getX() - e1.getX();
            try {
                if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
                    if  (diffX > 0) {
                        onSwipeRight();
                    } else {
                        onSwipeLeft();
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return true;
        }
    }

    public void onSwipeRight() {}
    public void onSwipeLeft() {}
    public void onClick() {}
}