安卓监听ScrollView是否滚动

做类似于美团搜索页面的效果，当屏幕滚动时，软键盘自动隐藏

scrollView = (ScrollView) view.findViewById(R.id.scrollView);scrollView.setOnTouchListener(new View.OnTouchListener() {    @Override    public boolean onTouch(View v, MotionEvent event) {        if (event.getAction() == MotionEvent.ACTION_MOVE) {            ((InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(getActivity().getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);        }    return false;    }});