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
明显就是强转异常
你想添加的 headview 是个AbsListView的子类?
你的形参类型应该是:AbsListView.LayoutParams,但是实参类型是:RelativeLayout.LayoutParams