Merge remote-tracking branch 'origin/wuhuyancao' into wuhuyancao

doum

昨天 6cf36f0e43c9add691b9a375526ce7dc26209574

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<?xml version="1.0" encoding="utf-8"?>
<ProgressBar xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_width="60dp"
             android:layout_height="60dp"
             android:layout_gravity="center"/>