而且你的onTouch里面逻辑也有问题，正确写法：

public FloatingView (Context context){

super(context);

mContext = context.getApplicationContext();

LayoutInflater mLayoutInflater = LayoutInflater.from(context);

mView = mLayoutInflater.inflate(R.layout.floating_view,null);

mImageView = (ImageView)mView.findViewById(R.id.ImageView);

mWindowManager = FloatingManager.getmInstance(mContext);

mView.setOnTouchListener(new OnTouchListener() {

@Override

public boolean onTouch(View v, MotionEvent event) {

switch (event.getAction()) {

case MotionEvent.ACTION_DOWN:

mTouchStartX = (int) event.getRawX();

mTouchStartY = (int) event.getRawY();

break;

case MotionEvent.ACTION_MOVE:

mParams.x = tempX + (int) event.getRawX() - mTouchStartX;

mParams.y = tempY +(int) event.getRawY() - mTouchStartY;

mWindowManager.updateView(mView, mParams);

break;

case MotionEvent.ACTION_UP:

tempX = mParams.x;

tempY = mParams.y;

break;

}

return false;

}

});

}

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