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我有一个带有简单触摸监听器的 imageView,它在 ACTION.UP 上获取位图像素的颜色。

img.setOnTouchListener(new View.OnTouchListener(){

        @Override
        public boolean onTouch(View v, MotionEvent event)
        {

            int action = event.getAction();
            int x = (int) event.getX();
            int y = (int) event.getY();
            switch(action){

                case MotionEvent.ACTION_UP:

                    int pixel = bitmap.getPixel(x, y);

                    if (pixel == Color.parseColor("#94e3f9")) {
                        Toast.makeText(MainActivity.this, "Blue Color", Toast.LENGTH_SHORT).show();
                    }
                    if (pixel == Color.parseColor("#f0c828")) {
                        Toast.makeText(MainActivity.this, "Yellow Color", Toast.LENGTH_SHORT).show();
                    }
                    if (pixel == Color.parseColor("#b3522c")) {
                        Toast.makeText(MainActivity.this, "Red Color", Toast.LENGTH_SHORT).show();
                    }
                    break;
            }

            return true;
        }
    });

同时,我希望能够在 imageView 内双击并执行其他操作,例如打开对话框。

我如何实现和结合它?

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