Another option would be a container holding just the tiles. On Wed, Mar 21, 2012 at 5:06 PM, James Bucanek <[email protected]>wrote:
> Pascal Harris <mailto:45rpmlists@googlemail.**com<[email protected]>> > wrote (Wednesday, March 21, 2012 7:56 AM -0000): > > > Now I want to scramble the state of each of the tiles. In the game >> controller, I'm using the following code: >> >> [[self.view subviews] makeObjectsPerformSelector:@** >> selector(scrambleState)]; >> >> I've put a breakpoint in scrambleState - and it never gets called. I'm >> guessing that 'makeObjectsPerformSelector' fails to work because >> scrambleState >> is not a method in UIView. Question is, what do I need to do in order to >> ensure that this code gets called? >> > > Others have made a lot of valid suggestions and points, but if it wasn't > mentioned I have another reason this would fail: > > You must ensure that *all* subview of self.view implement -scrambleState. > The first object in the collection that doesn't implement this method will > throw an exception and the iteration will stop. > > Safer, although longer, would be: > > // (warning: typed in mail) > UIView* subview; > for ( subview in self.view.subviews ) > if ([subview respondsToSelector:@selector(**scrambleState)]) > [subview scrambleState]; > -- > James Bucanek > > > > ______________________________**_________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at > cocoa-dev-admins(at)lists.**apple.com<http://lists.apple.com> > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/**mailman/options/cocoa-dev/** > griotspeak%40gmail.com<https://lists.apple.com/mailman/options/cocoa-dev/griotspeak%40gmail.com> > > This email sent to [email protected] > _______________________________________________ Cocoa-dev mailing list ([email protected]) 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
