直接加入监听GestureDetector放在需要判断滑动手势的地方：

1 import android.app.Activity;   2 import android.os.Bundle;   3 import android.util.Log;   4 import android.view.GestureDetector;   5 import android.view.GestureDetector.OnGestureListener;   6 import android.view.MotionEvent;   7    8 public class MainActivity extends Activity {   9     protected static final float FLIP_DISTANCE = 50;  10     GestureDetector mDetector;  11   12     @Override  13     protected void onCreate(Bundle savedInstanceState) {  14         super.onCreate(savedInstanceState);  15         setContentView(R.layout.activity_main);  16   17         mDetector = new GestureDetector(this, new OnGestureListener() {  18   19             @Override  20             public boolean onSingleTapUp(MotionEvent e) {  21                 // TODO Auto-generated method stub  22                 return false;  23             }  24   25             @Override  26             public void onShowPress(MotionEvent e) {  27                 // TODO Auto-generated method stub  28   29             }  30   31             @Override  32             public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {  33                 // TODO Auto-generated method stub  34                 return false;  35             }  36   37             @Override  38             public void onLongPress(MotionEvent e) {  39                 // TODO Auto-generated method stub  40   41             }  42   43             /** 44              *  45              * e1 The first down motion event that started the fling. e2 The 46              * move motion event that triggered the current onFling. 47              */  48             @Override  49             public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {  50                 if (e1.getX() - e2.getX() > FLIP_DISTANCE) {  51                     Log.i("TAG", "<--- left, left, go go go");  52                     return true;  53                 }  54                 if (e2.getX() - e1.getX() > FLIP_DISTANCE) {  55                     Log.i("TAG", "right, right, go go go --->");  //忽然觉得这个log好智障...56                     return true;  57                 }  58                 if (e1.getY() - e2.getY() > FLIP_DISTANCE) {  59                     Log.i("TAG", "向上滑...");  60                     return true;  61                 }  62                 if (e2.getY() - e1.getY() > FLIP_DISTANCE) {  63                     Log.i("TAG", "向下滑...");  64                     return true;  65                 }  66   67                 Log.d("TAG", e2.getX() + " " + e2.getY());  68   69                 return false;  70             }  71   72             @Override  73             public boolean onDown(MotionEvent e) {  74                 // TODO Auto-generated method stub  75                 return false;  76             }  77         });  78     }  79   80     @Override  81     public boolean onTouchEvent(MotionEvent event) {  82         return mDetector.onTouchEvent(event);  83     }  84 }