运行程序后进入初始界面,点击唯一的按钮,即进入消息列表。
进入消息列表时,用Toast
在下方显示了View的总数量。
消息列表由4个ImageButton
和一个RecyclerView
构成,RecyclerView
可上下滚动,点击后进入一个新的界面,Toast
在下方显示出点击的是第几个对象。
ImageButton
也可以点击进入新界面。
尝试在一个界面中显示出横向和纵向两个RecyclerView
,但是横向的始终无法显示,最后改为ImageButton。
This is the homework of the second class.
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