Once we have our animation set files created and opened up, all we have to do is add the animations we want into the <set> tag. Our scale rotate animation set appears below.
<? xml version = "1.0" encoding = "utf-8" ?>
< set
xmlns:android = "http://schemas.android.com/apk/res/android" >
< rotate
android:fromDegrees = "359"
android:toDegrees = "0"
android:duration = "3000"
android:pivotX = "50%"
标签:动画,set,do,into,rotate,操作,android,animation
From: https://blog.51cto.com/u_16166892/6528216