sheishuoAPP/uikit/res/layout/nim_round_loading_progress_bar.xml

<?xml version="1.0" encoding="utf-8"?>
<ProgressBar xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/msg_progressBar"
    android:layout_width="20dip"
    android:layout_height="20dip"
    android:layout_gravity="center"
    android:indeterminate="true"
    android:indeterminateDrawable="@drawable/nim_progress_small_white" />