Android - ImageView图形不断旋转的动画

1.  res下建立一个动画文件夹anim
2.  anim文件夹下面建立名称为：rotaterepeat动画xml文件

    <?xml version="1.0" encoding="utf-8"?>
  <set xmlns:android="http://schemas.android.com/apk/res/android" > 
        <rotate 
            android:duration="1000" 
            android:fromDegrees="0" 
            android:interpolator="@android:anim/linear_interpolator" 
            android:pivotX="50%" 
            android:pivotY="50%" 
            android:repeatCount="-1" 
            android:toDegrees="360" />
    </set> 
3. Activity文件下

ImageView mAnimationView = (ImageView) findViewById(R.id.animation); 
mAnimation = AnimationUtils.loadAnimation(this, R.anim.rotaterepeat); 
mAnimationView.startAnimation(mAnimation);