How iOS controls--uiview and Uiimageview play animations

1.UIView

Initial state

[UIView animatewithduration: (int) animations:^{

Final State

}completion:^ (BOOL finished) {

Things to do after the animation is complete

}];

2.UIView

Initial state

[UIView startanimation];

[UIView setanimationduration: (int)];

Final State

[UIView commitanimation];

3.UIImageView

Myimageview.animationarray = imagesarray;//Animated image array

myimageview.animationduration = (int);//Animation playback time

Myimageview.animationcount = (int);//The number of animation plays, 0 for loop playback, other representatives play several times

[Myimageview startanimation];//starts to play the animation

How iOS controls--uiview and Uiimageview play animations