Re: How to subclass UIButton?
Re: How to subclass UIButton?
- Subject: Re: How to subclass UIButton?
- From: Jack Nutting <email@hidden>
- Date: Thu, 8 Apr 2010 08:14:46 +0200
I've successfully subclassed UIButton with no problems. I my case I
wasn't interested in the "style" since I was implementing my own, so I
created my own class method which just calls initWithFrame:
+ (id)buttonWithFrame:(CGRect)frame {
return [[[self alloc] initWithFrame:frame] autorelease];
}
- (id)initWithFrame:(CGRect)frame {
if (self = [super initWithFrame:frame]) {
// do my additional initialization here
}
return self;
}
Note that this way the buttonType isn't explicitly set to anything,
which probably means that it's UIButtonTypeCustom. The Docs don't
seem to actually specify that, but since that's the 0 value in the
enum, that's likely what happens (and that seems to be the observable
behavior as well)
If you want to use the existing buttonWithStyle: method, all you need
to do is implement initWithFrame:, since that's the default
initializer, then call [MyButton buttonWithStyle:whatever] and you're
done!
If you also want to be able to use your subclass in .xib files, then
you'll also need to implement initWithCoder: (calling the super
implementation) and put your initialization code in there as well.
--
// jack
// http://nuthole.com
// http://learncocoa.org
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