How to get back the UIButton border in iOS 7?

Question

I built an old project in iOS SDK 6.1 in Xcode 5. However, the UIbutton is borderless when the app runs on an iPhone running iOS 7. I have checked the .xib is

Answer 1

you can create a category:

- (void)setRoundedBorder:(float) radius borderWidth:(float)borderWidth color:(UIColor*)color
{
    CALayer * l = [self layer];
    [l setMasksToBounds:YES];
    [l setCornerRadius:radius];
    // You can even add a border
    [l setBorderWidth:borderWidth];
    [l setBorderColor:[color CGColor]];
}