Android ImageView Gesture/DoubleTap无法解雇

Question

好的,我有这个设置

ScrollView Horizo​​ntalScrollView ImageView

我试图捕获图像视图上的doubleTap ..我的代码如下所示:

ImageView iv = (ImageView)findViewById(R.id.ImageViewID);

iv.setImageDrawable(iv.getResources().getDrawable(R.drawable.someimage));
// Gesture detection
detector = new GestureDetector(this,new SimpleOnGestureListener(){

    //new myGestureClass());

    @Override
    public boolean onSingleTapUp(MotionEvent e) {
        // TODO Auto-generated method stub
        System.out.println("SINGLE TAP");
        return false;
    }

    @Override
    public boolean onDoubleTap(MotionEvent arg0) {
        // TODO Auto-generated method stub
        System.out.println("DOUBLE TAP");
        return false;
    }

    @Override
    public boolean onDoubleTapEvent(MotionEvent arg0) {
        // TODO Auto-generated method stub
        System.out.println("DOUBLE TAP EVENT");
        return false;
    }

    @Override
    public boolean onSingleTapConfirmed(MotionEvent arg0) {
        // TODO Auto-generated method stub
        return false;
    }

});

View.OnTouchListener gestureListener = new View.OnTouchListener() {
        public boolean onTouch(View v, MotionEvent event) {
        System.out.println("TOUCH!" +event);
        if (detector.onTouchEvent(event)) {
            return true;                 
        }   
        return false;
        }
    };

iv.setOnTouchListener(gestureListener); 

然而,被覆盖的tap方法永远不会被调用... onTouch会被调用但是应该将我的事件绑定到touch事件的detector.onTouchEvent(事件),永远不会调用我的overRidden方法....所以,到底是什么我做错了吗？

Answer 1

覆盖onDown方法并返回true.资源

希望这有帮助.