Android的ObjectAnimation只启动了一次 [英] Android ObjectAnimation only started once

问题描述

我用的是ObjectAnimator API（android.animation.ObjectAnimator）一旦它的点击动画按钮（v是按钮）：

I use the ObjectAnimator API (android.animation.ObjectAnimator) to animate a button once it's clicked (v is the Button):

ObjectAnimator animator = ObjectAnimator.ofFloat(v, "rotationY", 360f);
animator.setDuration(5000);
animator.start();

当我测试这个在模拟器上，它适用于第一次点击（按钮旋转）。但是，当我再次点击该按钮（该片段是不是第一次点击后销毁等），我没有看到任何动画在模拟器（模拟器不是最快的，但是，拥有5秒我应该看到的东西）。

When I test this on the emulator, it works for the first click (button rotates). But when I click the button again (the fragment is not destroyed etc. after the first click), I don't see any animation on the emulator (the emulator isn't the fastest, but with 5 seconds I should see something).

我需要摧毁的第一个动画或者我丢失后/关闭的东西吗？
任何人都不会有提示或可重现此？

Do I need to destroy/close something after the first animation or what am I missing? Does anyone have a hint or can reproduce this?

在此先感谢，
马丁

Thanks in advance, Martin

推荐答案

第二次你会尝试从360.0f动画到360.0f。更改）您的来电ofFloat（为：

The second time you will try to animate from 360.0f to 360.0f. Change your call to ofFloat() to:

ObjectAnimator.ofFloat(v, "rotationY", 0.0f, 360.0f)

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