Infinite Loop

在- (void)viewDidLoad 中：[size=medium]UIImage *buttonImageNormal = [UIImage imageNamed:@"whiteButton.png"];UIImage *stretchableImage = [buttonImageNormal [color=red]stretchableImageWithLeftCapWidth...

 Control StatesEvery iOS control has four possible control states and is always in one, and only one, ofthese states at any given moment:  Normal: The most common state is the normal ...