可以测试

hxb

2022-11-22 b3513b1713bb979d0a69c5a8c4ddcd038f184e6e

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<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="@dimen/px_200" 
    android:layout_height="@dimen/px_200" 
    android:gravity="center" 
    android:orientation="vertical"> 
 
    <ProgressBar 
        android:id="@+id/av_anim" 
        style="@style/lc_demo_loading" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:layout_centerInParent="true" 
        android:layout_gravity="center_horizontal" /> 
</LinearLayout>