cleaan up

houxiao

2017-08-01 ab5f950eb26752a7a26ea746dd22a41a00b1074a

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<?xml version="1.0" encoding="utf-8"?>
<SurfaceView xmlns:android="http://schemas.android.com/apk/res/android" 
   android:id="@+id/cameraSurfaceView" android:layout_width="match_parent"
   android:layout_height="match_parent">
</SurfaceView>