Android ProgressBar 设置滚动的图标

<ProgressBar

        style="?android:attr/progressBarStyleLarge"

        android:layout_width="60dp"

        android:layout_height="60dp"

        android:indeterminateDrawable="@drawable/welcome_rotating_wheel" />

        

<animated-rotate xmlns:android="http://schemas.android.com/apk/res/android"

    android:drawable="@drawable/welcome_loading"

    android:toDegrees="360"

    android:fromDegrees="0"

    android:pivotX="50%"

    android:pivotY="50%" />