LinearLayout有自己的 LayoutParams，并且继承 ViewGroup.MarginLayoutParams
图片.png
像权重 weight、gravity属性，都是 LinearLayout源码中单独定义的，RelativeLayout没有，就像 RelativeLayout有centerInParent、centerVertical等属性，是因为 RelativeLayout定义了，而LinearLayout没有定义
因为ListView源码中定义了 HeaderViewListAdapter，所以可以设置，而RecyclerView中没有定义
1. LinearLayout有LayoutParams，ViewGroup没有？ LinearLayout...
LinearLayout.LayoutParams lp =newLinearLayout.LayoutParam...
LinearLayout.LayoutParams lp =newLinearLayout.LayoutParam...
setWidth(LinearLayout.LayoutParams.MATCH_PARENT);setHeigh...
把LinearLayout.LayoutParams改成LinearLayoutCompat.LayoutPara...
.. LayoutParams WindowManager.LayoutParams 是 WindowManage...
LayoutParams继承于Android.View.ViewGroup.LayoutParams.Layout...
LayoutParams继承于Android.View.ViewGroup.LayoutParams. Frame...
LayoutParams继承于Android.View.ViewGroup.LayoutParams. Lay...
原文：http://tryenough.com/android-layoutparams LayoutParams...
本文标题：LinearLayout有LayoutParams,ViewGr
本文链接：https://www.haomeiwen.com/subject/iehvrqtx.html
网友评论