点击箭头以动画的方式弹出，主要是这个动效这么做的，可以流畅的把下面的布局往下推还有就是网易新闻点击栏目最右侧箭头，像下展开布局的动画是怎么做的？网易新闻android端的动画没做好，可以参考iOS端的
ringa_lee
Different people have different views on this, and there are many ways to implement it. This is the source code of android clock. You can study it.
This is a panning animation.
view.animate().translationY()
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Different people have different views on this, and there are many ways to implement it.
This is the source code of android clock. You can study it.
This is a panning animation.