Simon7 ycditchf
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| /**心跳动画*/ | |
| - (void)heartAnimationWithLayer:(CALayer*)layer { | |
| CAAnimationGroup *group = [[CAAnimationGroup alloc]init]; | |
| group.duration = 0.5; | |
| group.repeatCount = HUGE; | |
| CABasicAnimation *scaleAnim = [CABasicAnimation animationWithKeyPath:@"transform.scale"]; | |
| scaleAnim.toValue = @1.2; | |
| CABasicAnimation *alphaAnim = [CABasicAnimation animationWithKeyPath:@"opacity"]; | |
| alphaAnim.toValue = @0.3f; | |
| group.animations = @[scaleAnim,alphaAnim]; |
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| - (void)setupRunloopObserver | |
| { | |
| static dispatch_once_t onceToken; | |
| dispatch_once(&onceToken, ^{ | |
| CFRunLoopRef runloop = CFRunLoopGetCurrent(); | |
| CFRunLoopObserverRef enterObserver; | |
| enterObserver = CFRunLoopObserverCreate(CFAllocatorGetDefault(), | |
| kCFRunLoopEntry | kCFRunLoopExit, | |
| true, |