protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST); super.onMeasure(widthMeasureSpec,expandSpec);//设置gridview或者listview的onMeasure方法,使得gridview或listview的高度为它所需要的高度,这样listview和gridview就不需要滚动了