What is the difference between the animator class and animation class in android?

Asked Feb 17 '15 at 03:34

Active Feb 17 '15 at 03:34

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I was wondering what is the difference between the animation and animator class in android.

If I use the animation class to animate a FragmentTransaction.replace() by using a fade-in and fade-out animation, it causes an error and crashes the app,

ft.setCustomAnimations(android.R.anim.fade_in,android.R.anim.fade_out);

but when I use the animator class

ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out);

It works perfectly fine.

It seems to me that the animator class is newer, and the animation class is older, but when should one use the animator or animation class?

asked Feb 17 '15 at 03:34

Hiroga Katageri

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Your question already have an answer here http://stackoverflow.com/questions/28220613/what-is-the-difference-between-an-animator-and-an-animation . – Mohit Feb 17 '15 at 05:12
Thanks, I didn't see that. – Hiroga Katageri Feb 17 '15 at 05:47

What is the difference between the animator class and animation class in android?

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