实现Android滑动退出Activity的功能

//右滑删除 
  compile 'com.jude:swipebackhelper:3.1.2' 

SwipeBackHelper.onCreate(this); 
    SwipeBackHelper.getCurrentPage(this) 
        .setSwipeBackEnable(true) 
        .setSwipeSensitivity(0.5f) 
        .setSwipeRelateEnable(true) 
        .setSwipeRelateOffset(300); 
 
@Override 
  protected void onDestroy() { 
    SwipeBackHelper.onDestroy(this); 
  
    super.onDestroy(); 
  }