仿微信侧滑删除当前页面

package com.finddreams.slidingback.ui;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;
/**
* 手势滑动的Activity，只需要继承就可实现手势滑动
* Title: GestureBackActivity.java
* @author Angus
* 2016年11月16日
* @version 2.0
*/
public class GestureBackActivity extends Activity {
private GestureDetector myDectector;
private static final String TAG = "GestureBackActivity";
boolean flingFinishEnabled = true;

@Override
protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);
initGestureDetector();
AppManager.getAppManager().addActivity(this);
}

private void initGestureDetector() {
if (myDectector == null) {
myDectector = new GestureDetector(this, new MyGestureListener());
}

}

@Override
public boolean dispatchTouchEvent(MotionEvent ev) {

if (flingFinishEnabled) {
return myDectector.onTouchEvent(ev) || super.dispatchTouchEvent(ev);
}
return super.dispatchTouchEvent(ev);
}

/**
* 手势监听器
*
*/
public class MyGestureListener implements OnGestureListener {

@Override
public boolean onDown(MotionEvent e) {
// Toast.makeText(getApplicationContext(),"down",Toast.LENGTH_SHORT).show();
return true;
}

@Override
public void onShowPress(MotionEvent e) {
// TODO Auto-generated method stub

}

@Override
public boolean onSingleTapUp(MotionEvent e) {
// Toast.makeText(getApplicationContext(),"onSingleTapUp",Toast.LENGTH_SHORT).show();
return true;
}

@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2,
float distanceX, float distanceY) {
// TODO Auto-generated method stub
return false;
}

@Override
public void onLongPress(MotionEvent e) {
// TODO Auto-generated method stub

}

@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
if (e1.getX() - e2.getX() > 100 && Math.abs(velocityX) > 0) {
Log.d(TAG, "向左滑动");
} else if (e2.getX() - e1.getX() > 100 && Math.abs(velocityX) > 0) {
Log.d(TAG, "向右滑动");
AppManager.getAppManager().finishActivity();
}
return false;
}

}
}