I think UIButton is not designed for subclassing. You can try composition, or create UIButton category method for custom-build button. Apple has sample code in UICatalog to create custom-build button.
On Wed, Apr 7, 2010 at 2:26 PM, WT <jrca...@gmail.com> wrote: > Hello all, > > I need to create a custom bar of UIButton instances which can be scrolled > left and right using a swipe gesture. I am thus following the "Autoscroll" > sample code from Apple, which subclasses UIImageView to produce a scrollable > bar of thumbnail images. My problem is how to correctly subclass UIButton, > since the only available means of instantiating a button is through the class > method +buttonWithType:. > > Once I allocate an instance of the subclass, how do I initialize it with the > desired type? The buttonType property is read-only and there is no instance > method -initWithType: in the public API. > > One alternative I see is to use composition rather than subclassing, > essentially creating a decorator for UIButton, but I'd rather not have to do > that. > > Another option is to fake a button using UIImageView, just like the > "Autoscroll" example does, but I'd prefer to have actual UIButton instances. > > Am I missing something trivial here? If UIButton was designed in such a way > to prevent subclassing, what would you suggest as the best alternative? > > Thanks in advance. > WT._______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/johnchen202%40gmail.com > > This email sent to johnchen...@gmail.com > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
