加入viewmodel和Dimenutil

endian11

2019-09-09 99c0c488ead4baf7a709a6ee4620bee6d3dcc2e2

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<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
 
    <size android:height="20dp" android:width="40dp"/>
    <solid android:color="@android:color/darker_gray"/>
</shape>