I thought so as well. This is a pretty major project - 1600 classes, Mac/iOS
targets, and several third party libraries - so its quite possible somewhere
somehow there is something I’m unaware of, but that’s why I’m asking for help
in leads. I would think if its my code or even third party code, somewhere
“setToolbarHidden:” or “setTOolbarHidden:animated:” would be called, but its
not. Only other way I can think of it going away is some internal UIKit methods
or someone traversing the view hierarchy and removing the toolbar view itself.
Relevant code:
to show the toolbar:
navController.toolbarHidden = false
class PIMainViewNavigationController: UINavigationController {
}
literally empty subclass because we look for specific view controllers that are
this class name (easy filter). However if I get rid of this class and just use
UINavigationController, I still have the same problem. No other extensions on
UINavigationController that *I*’m using.
I’m pretty certain its some code somewhere doing this then…I just can’t figure
out what. So I’m hoping perhaps someone else has an idea where else to look so
I can identify it? Maybe I should try putting a breakpoint on
removeFromSuperview?
> On Aug 29, 2016, at 11:06 AM, David Duncan <[email protected]> wrote:
>
>
>> On Aug 29, 2016, at 9:57 AM, Alex Kac <[email protected]> wrote:
>>
>> I have a UINavigationController and UIViewController root that I set the
>> toolbarItems on. I obviously also tell it not to hide the toolbar. Great!
>> Works perfectly. But when I rotate, the toolbar is hidden - even if I rotate
>> back to portrait. I've set all the "hides*" properties such as
>> hidesBarsWhenVerticallyCompact to false (they were already false - but I
>> tried anyway), and it still hides the toolbar. I’ve put breakpoints
>> everywhere including symbolic ones for the toolbar hidden properties/methods
>> in UIKit. Since we are using a navigationcontroller subclass, I even tried
>> overriding the toolbar methods so that they can't get set to true (hiding
>> that is) and it still hides the toolbar.
>>
>> In some ways, I'm okay with it hiding going in landscape, but I'm not OK
>> with it not coming back when you go to portrait. The view debugger also
>> shows the toolbar is completely gone. So something in UIKit is removing the
>> toolbar view and never bringing it back - nothing I do can bring it back.
>> This is obviously disconcerting. My next step will be to just creating my
>> own toolbar instead of using Apple’s navcontroller toolbar, but if I can get
>> it to work, that’s my preference.
>>
>> Any ideas?
>
> This sounds suspect, as this is not the default behavior at all – that is,
> you can create a brand new project and configure a navigation controller to
> show the toolbar and it won’t hide it on its own.
>
> What methods are you using to hide/show the toolbar? What other overrides are
> on your subclass? Any other libraries you have in your project, or categories
> on UINavigationController?
>
> --
> David Duncan
>
Alex Kac - El capitán
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