iOS CABasicAnimation

一、CAAnimation

1、animationDidStart:

- (void)animationDidStart:(CAAnimation *)theAnimation
//动画已经开始

2、animationDidStop:finished:

- (void)animationDidStop:(CAAnimation *)theAnimation finished:(BOOL)flag
//动画已经结束

3、delegate

@property(strong) id delegate

二、CAPropertyAnimation

1、+ animationWithKeyPath:

+ (instancetype)animationWithKeyPath:(NSString *)keyPath
//设置动画路径

三、CABasicAnimation

1. fromValue

2. toValue

3. byValue

四、CAKeyframeAnimation

CABasicAnimation* rotationAnimation;
rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
rotationAnimation.toValue = [NSNumber numberWithFloat:angle*M_PI/180 ];
rotationAnimation.duration = 1.0f;
rotationAnimation.cumulative = YES;
rotationAnimation.delegate = self;

//以下两行同时设置才能保持移动后的位置状态不变
rotationAnimation.fillMode=kCAFillModeForwards;
rotationAnimation.removedOnCompletion = NO;

[_zhuanpan.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];