1.设置旋转动画 final RotateAnimation animation =new RotateAnimation(0f,360f,Animation.RELATIVE_TO_SELF, 0.5f,Animation.RELATIVE_TO_SELF,0.5f); animation.setInterpolator(new LinearInterpolator()); // LinearInterpolator 表示均匀速率 animation.setDuration(3000);//设