PullToRefreshListView addHeaderView报 类型转换错误

Question

Caused by: java.lang.ClassCastException: android.widget.RelativeLayout$LayoutParams cannot be cast to android.widget.AbsListView$LayoutParams

这个问题怎么解决啊

Answer 1

明显就是强转异常

Answer 2

你的形参类型应该是：AbsListView.LayoutParams，但是实参类型是：RelativeLayout.LayoutParams

Answer 3

你想添加的 headview 是个AbsListView的子类?