android创建一个旋转动画

1.在drawable中

 <?xml version="1.0" encoding.....>

<rotate xmlns:android=....

          android:drawable="@drawable/****"

          android:pivotX ="50%"

          android: pivotY="50%"

          android:fromDegrees="0"

          android:toDegrees=360">

</rotate>

2.在layout配置文件

 ＦrameLayout布局文件下，

     <FrameLayout

                   .................>

              <ImageView           旋转图片后面的背景图片

                     ......../>

             <ProgressBar

                      android:indeterminateDrawable="@drawable/*********"

                      android:indeterminateDuration="700"

                      android:layout_gravity="center"

                .............../>