系统优化

queenwuli

2021-01-13 6e54af776db885ad1a22ec582bdc97d7e1273c6c

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<?xml version="1.0" encoding="utf-8"?>
<TextView android:gravity="center" android:layout_gravity="center" android:id="@id/text" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="This is a fragment"
  xmlns:android="http://schemas.android.com/apk/res/android" />