aaaaa

houxiao

2017-08-14 21943addfb18b1fa9db38598e4498dbe3d5e0d19

1
2
3
4
5
6
<?xml version="1.0" encoding="utf-8"?> 
<alpha 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:fromAlpha="0.0" 
    android:toAlpha="1.0" 
    android:duration="300"/>