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The source code is released under:
GNU General Public License
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package com.vaquerosisd.projectmanager; /*ww w .j a v a2 s . c o 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; public class OnSwipeListener implements OnTouchListener { private final GestureDetector gestureDetector; public OnSwipeListener(Context context) { gestureDetector = new GestureDetector(context, new GestureListener()); } public void onSwipeLeft() { } public void onSwipeRight() { } public boolean onTouch(View v, MotionEvent event) { v.performClick(); return gestureDetector.onTouchEvent(event); } private final class GestureListener extends SimpleOnGestureListener { private static final int SWIPE_DISTANCE_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) { float distanceX = e2.getX() - e1.getX(); float distanceY = e2.getY() - e1.getY(); if (Math.abs(distanceX) > Math.abs(distanceY) && Math.abs(distanceX) > SWIPE_DISTANCE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) { if (distanceX > 0) onSwipeRight(); else onSwipeLeft(); return true; } return false; } } }