how can i make a glow effect around button [duplicate]

This开发者_JAVA技巧 question already has answers here: Closed 11 years ago.

Possible Duplicate:

How can I add the 'Glow effect' to UIBarButtonItem?

I want to make a glow effect around my button as in info light button through coding. How can I get it.

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I am not sure what you want but i think you can try this

Create a new image similar to the glow called glowImage.png and

[yourButton setImage:[UIImage imageNamed:@"glowImage.png"] forState:UIControlStateHighlighted];