使用ObjectAnimator
s,可以选择与PropertyValuesHolder
s 一起使用,可以指定动画属性的开始值和结束值:
ObjectAnimator animX = ObjectAnimator.ofFloat(myView, "x", 20f, 50f);
ObjectAnimator animY = ObjectAnimator.ofFloat(myView, "y", 30f, 100f);
AnimatorSet animSetXY = new AnimatorSet();
animSetXY.playTogether(animX, animY);
animSetXY.start();
PropertyValuesHolder pvhX = PropertyValuesHolder.ofFloat("x", 20f, 50f);
PropertyValuesHolder pvhY = PropertyValuesHolder.ofFloat("y", 30f, 100f);
ObjectAnimator.ofPropertyValuesHolder(myView, pvhX, pvyY).start();
如何用ViewPropertyAnimator
s 实现相同的动画?语法似乎不支持起始值,假设它们等于视图在动画开始时的值:
myView.animate().x(50f).y(100f); //Where do I put starting values??
谢谢 ;)