java 来自http://stackoverflow.com/questions/4628800/android-how-to-check-if-a-view-inside-of-scrollvie

Posted 2021-05-08

Rect bounds = new Rect();
view.getHintRect(bounds);

Rect scrollBounds = new Rect(scroll.getScrollX(), scroll.getScrollY(), 
        scroll.getScrollX() + scroll.getWidth(), scroll.getScrollY() + scroll.getHeight());

if(Rect.intersects(scrollBounds, bounds))
{
    //is  visible
}