异常：java.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.view.异常：java.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.view.ViewGroup$MarginLayoutParams
异常：java.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.view.ViewGroup$MarginLayoutParams今天在使用LayoutParams时出现了一个问题，我是这样用的：在gridview初始化的时候，为gridview添加了一个h
