项目介绍：

YGPulseView

YGPulseView is Objective-C Category for making pulsing animation with UIView:

How to use:

- (void)viewDidLoad {
    [super viewDidLoad];
    self.plusView.layer.cornerRadius = 30;
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    [self.plusView startPulseWithColor:[UIColor greenColor] animation:YGPulseViewAnimationTypeRadarPulsing];
}