属性动画

//属性动画ObjectAnimator trananimator = ObjectAnimator.ofFloat(img, "translationY", 0f, 500f);ObjectAnimator yscaanimator = ObjectAnimator.ofFloat(img, "scaleY", 1f, 2f, 1f);ObjectAnimator xscaanimator = ObjectAnimator.ofFloat(img, "scaleX", 1f, 2f, 1f);AnimatorSet animSet = new AnimatorSet();animSet.play(yscaanimator).after(trananimator).with(xscaanimator);animSet.setDuration(2000);animSet.start();