iOS开发基础知识--碎片29

   iOS开发基础知识--碎片29 1:心跳效果，并可去除心跳 - (void)initScaleLayer { self.view.backgroundColor=[UIColor blueColor]; UIButton *myTelButtom=[[UIButton alloc]initWithFrame: CGRectMake(60, 240, 50, 50)];

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