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The source code is released under:
GNU General Public License
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package com.ngame.utils; //from ww w . j a va 2 s . co m import android.content.Context; import android.view.GestureDetector; import android.view.GestureDetector.SimpleOnGestureListener; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import fr.castorflex.android.flipimageview.library.FlipImageView; public class OnSwipeTouchListener implements OnTouchListener, FlipImageView.OnFlipListener { private final GestureDetector gestureDetector; public OnSwipeTouchListener(Context ctx) { gestureDetector = new GestureDetector(ctx, new GestureListener()); } private final class GestureListener extends 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 onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { boolean result = false; try { float diffY = e2.getY() - e1.getY(); float diffX = e2.getX() - e1.getX(); if (Math.abs(diffX) > Math.abs(diffY)) { if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) { if (diffX > 0) { onSwipeRight(); } else { onSwipeLeft(); } } } else { if (Math.abs(diffY) > SWIPE_THRESHOLD && Math.abs(velocityY) > SWIPE_VELOCITY_THRESHOLD) { if (diffY > 0) { onSwipeBottom(); } else { onSwipeTop(); } } } } catch (Exception exception) { exception.printStackTrace(); } return result; } } public void onSwipeRight() {} public void onSwipeLeft() {} public void onSwipeTop() {} public void onSwipeBottom() {} public void onFlipAnimationEnd(){} public void onFlipAnimationStart(){} public void onClick(){} @Override public void onClick(FlipImageView view) { onClick(); } @Override public void onFlipStart(FlipImageView view) { onFlipAnimationStart(); } @Override public void onFlipEnd(FlipImageView view) { onFlipAnimationEnd(); } @Override public boolean onTouch(View v, MotionEvent event) { return gestureDetector.onTouchEvent(event); } }