android使用gesturedetector手势识别示例分享

public class MyGestureLintener extends SimpleOnGestureListener {private Context context;public MyGestureLintener(Context context) {    super();    this.context = context;}

// 单击，触摸屏按下时立刻触发/*@Overridepublic boolean onDown(MotionEvent e) {    // TODO Auto-generated method stub    Toast.makeText(context, "Down " + e.getAction(), Toast.LENGTH_SHORT)        .show();    return true;}*/// 双击，手指在触摸屏上迅速点击第二下时触发@Overridepublic boolean onDoubleTap(MotionEvent e) {    // TODO Auto-generated method stub    return super.onDoubleTap(e);}

// 双击的按下跟抬起各触发一次@Overridepublic boolean onDoubleTapEvent(MotionEvent e) {    // TODO Auto-generated method stub    return super.onDoubleTapEvent(e);}

 

// 滑动，触摸屏按下后快速移动并抬起，会先触发滚动手势，跟着触发一个滑动手势@Overridepublic boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,        float velocityY) {    // TODO Auto-generated method stub    return super.onFling(e1, e2, velocityX, velocityY);}

// 长按，触摸屏按下后既不抬起也不移动，过一段时间后触发@Overridepublic void onLongPress(MotionEvent e) {    // TODO Auto-generated method stub    Toast.makeText(context, "LONG " + e.getAction(), Toast.LENGTH_SHORT)            .show();}

// 滚动，触摸屏按下后移动@Overridepublic boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,        float distanceY) {    Toast.makeText(context, "onScroll " + e2.getAction(), Toast.LENGTH_SHORT)    .show();    return true;}

// 短按，触摸屏按下后片刻后抬起，会触发这个手势，如果迅速抬起则不会@Overridepublic void onShowPress(MotionEvent e) {    // TODO Auto-generated method stub    Toast.makeText(context, "Show " + e.getAction(), Toast.LENGTH_SHORT)            .show();

}

// 单击确认，即很快的按下并抬起，但并不连续点击第二下/*@Overridepublic boolean onSingleTapConfirmed(MotionEvent e) {    // TODO Auto-generated method stub    Toast.makeText(context, "onSingleTapConfirmed " + e.getAction(), Toast.LENGTH_SHORT)    .show();    return true;}*/

// 抬起，手指离开触摸屏时触发(长按、滚动、滑动时，不会触发这个手势)/*@Overridepublic boolean onSingleTapUp(MotionEvent e) {    // TODO Auto-generated method stub

    Toast.makeText(context, "onSingleTapUp " + e.getAction(), Toast.LENGTH_SHORT)    .show();    return true;}*/public class MainActivity extends Activity {private GestureDetector mGestureDetector;//手势对象private MyGestureLintener myGestureLintener;//手势监听的接口对象

@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    myGestureLintener = new MyGestureLintener(this);

    //手势对象的构造方法    mGestureDetector = new GestureDetector(this,            myGestureLintener);}

/**GestureDetector类的onTouchEvent方法用来辨别不同的手势*/@Overridepublic boolean onTouchEvent(MotionEvent event) {    boolean b = false;    int i = event.getAction();    int j = MotionEvent.ACTION_MOVE;    System.out.println(i+"<----------------->"+j);    b = mGestureDetector.onTouchEvent(event);    if (b) {        Intent in = new Intent();        in.setClass(this, testActivity.class);        startActivity(in);    }    return b;

}

@Overridepublic boolean onCreateOptionsMenu(Menu menu) {    // Inflate the menu; this adds items to the action bar if it is present.    getMenuInflater().inflate(R.menu.main, menu);    return true;}}