Peter,
Yeah, but I get no NSException when I press the back button -- it does what
it's always done (which I want). Also, I added the colon and it still doesn't
even try to call my selector.
In short, it works -- but i'm not sure _why_ it works.
Regards,
John
> your selector is missing colon:
>
> @selector(back:)
>
> for method:
>
> -(IBAction)back:(id)sender
>>
>> Hello, all ...
>>
>> I've a question about the UINavigationController backBarButtonItem property.
>> I wanted to merely set my own image for the back button, instead of it using
>> the title of the controller above in the hierarchy. So, this is what I did
>> (yes this app is using Three20, but I don't think that's the reason):
>>
>> - (id)initWithNavigatorURL:(NSURL *)URL query:(NSDictionary *)query
>> {
>> if (self = [super initWithNavigatorURL:URL query:query])
>> {
>> self.navigationItem.backBarButtonItem = [[[UIBarButtonItem
>> alloc] initWithImage:[UIImage imageNamed:@"backarrow.png"]
>> style:UIBarButtonItemStylePlain target:self action:@selector(back)]
>> autorelease];
>> }
>>
>> return self;
>> }
>>
>> - (void)back:(id)sender
>> {
>> }
>>
>> Now, this worked -- but I wasn't _expecting_ it to work. I was expecting
>> that my "back" selector would be called, and I would have to tell the nav
>> controller to pop. However, my "back" selector isn't called, and the back
>> button _works_ like it always has. While i'm not in any way against freebees
>> like this, i'm a bit concerned as to _why_ it works like this. Any
>> explanation would be appreciated, explanations that actually edify me more
>> so :-)
>>
>> Regards,
>>
>> John
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