安卓旋转动画

        Animation animation = new RotateAnimation(0, 360,
                                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
                        animation.setDuration(1200);
                        animation.setInterpolator(new LinearInterpolator());
                        animation.setRepeatCount(Animation.INFINITE);
      mImgPlayPause.startAnimation(animation);