1.添加菊花圖片

2.添加旋轉動畫

<?xml version="1.0" encoding="utf-8"?><animated-rotate xmlns:android="http://schemas.android.com/apk/res/android"    android:drawable="@drawable/flower"    android:pivotX="50.0%"    android:pivotY="50.0%"    android:fromDegrees="0"    android:toDegrees="360"></animated-rotate>
3.布局中配置PRogressbar
<ProgressBar    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:indeterminateDrawable="@drawable/progress_flower"    android:indeterminateBehavior="repeat"/>