// 旋轉1：
iv_state.setPivotX(iv_state.getWidth()/2);
iv_state.setPivotY(iv_state.getHeight()/2);//支點在圖片中心
iv_state.setRotation(45);
// 旋轉2：
iv_state.animate().setStartDelay(2000).rotation(20).start();
//旋轉動畫設定3:
Animation rotateAnimation = new RotateAnimation(0, 360, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF
 
, 1);
rotateAnimation.setFillAfter(true);
rotateAnimation.setDuration(1000);
rotateAnimation.setRepeatCount(-1);
rotateAnimation.setInterpolator(new LinearInterpolator());
iv_state.startAnimation(rotateAnimation);
// 屬性動畫旋轉4:
ObjectAnimator icon_anim = ObjectAnimator.ofFloat(iv_state2, "rotationY", 0.0F, 359.0F
 
);//設定Y軸的立體旋轉動畫
icon_anim.setRepeatCount(-1);
icon_anim.setDuration(1000);
AccelerateInterpolator interpolator = new AccelerateInterpolator();//設定加速旋轉
LinearInterpolator lin = new LinearInterpolator();//設定動畫勻速運動
icon_anim.setInterpolator(lin);
icon_anim.start();