How can I change the default color of the button on iPhone?

Question

How can I change the default color of the button on iPhone?

Answer 1

A common technique is to use an image for the background. Actually you can use a stretchable image:

- (void)viewDidLoad {
    UIImage *blueImage = [UIImage imageNamed:@"blueButton.png"];
    UIImage *blueButtonImage = [blueImage stretchableImageWithLeftCapWidth:12 topCapHeight:0];
    [myButton setBackgroundImage:blueButtonImage forState:UIControlStateHighlighted];
}

The original image:

The end result:

Answer 2

I came across this post that explains how to do this without images and completely in code.

http://www.cimgf.com/2010/01/28/fun-with-uibuttons-and-core-animation-layers/

Hope that helps.