Re: OK - I must be missing something simple here.
Re: OK - I must be missing something simple here.
- Subject: Re: OK - I must be missing something simple here.
- From: Rick Aurbach <email@hidden>
- Date: Tue, 21 Jun 2016 16:23:29 -0400
- Acceptlanguage: en-US
- Thread-topic: OK - I must be missing something simple here.
> On Jun 21, 2016, at 3:14 PM, Alex Zavatone <email@hidden> wrote:
>
>
> On Jun 21, 2016, at 2:24 PM, Rick Aurbach wrote:
>
>> On Jun 21, 2016, at 2:00 PM, email@hidden<mailto:email@hidden> wrote:
>>
>> Message: 1
>> Date: Tue, 21 Jun 2016 12:54:57 -0500
>> From: Alex Zavatone <email@hidden<mailto:email@hidden>>
>> To: Cocoa dev <email@hidden<mailto:email@hidden>>
>> Subject: OK - I must be missing something simple here.
>> Message-ID: <email@hidden<email@hidden">mailto:email@hidden>>
>> Content-Type: text/plain; charset=us-ascii
>>
>> I've got a little iOS project with SIP and it's quite convenient to have a graphic indicator that shows the connected state of the client to the server. Top right makes the most sense, and it's cleanest to use a UIBarButtonItem to hold the graphic and as the enumerated registration state changes, it's watched by KVO and just changes the graphic by changing the button, nice and straight forward.
>>
>> Well, I got a request to put this in other places and I the code that I had to build the UIBarButtonItems created those items by creating a UIButton first and then used that view to init the UIBarButtonItem with initWithCustomView:myOtherButton.
>>
>> This works like a charm. I have a dictionary of UIBarButtonItems that are keyed of the stringified enum name and they are instantly swapped out as needed whenever the watched state changes.
>>
>> So, I thought, "well, since I build these UIBarButtonItems from the UIButtons in the first place, I'll just keep an additional dictionary of buttons around that then just swap them in and out of an iBOutlet slot in the storyboard as needed.
>>
>> Um. Is this even possible? Can you assign a UIButton instance that you have in code to an IBOutlet for a UIButton in the storyboard? This does work perfectly for the nav bar's rightButton with barButtonItems, but is this even possible in code?
>>
>> I'm missing something here. Or I'm not. Any ideas?
>>
>> Thanks,
>>
>> Alex Zavatone
>>
>>
>> I think I must be a bit dense here, but why not just keep a dictionary of images and swap the image for the button instead of the button itself?
>>
>> Rick Aurbach
>
> That's what I did, but since I already had the buttons, I was wondering, "can I do this?" And it turns out it's not exactly clear how or if it's possible. At least to me.
>
> Initally, when trying to add graphics to the Nav bar I started out with a dictionary of images, but it's pretty much pain trying to stuff images in there, but stuffing in prebuilt UIBarButtonItems is really smooth and trouble free.
>
> It would be nice to treat the IBOutlets as slots to rects but that doesn't appear to be anything I've got spare time for at the moment. Still have Friday's bugs to report before the sun goes down.
I agree that I probably wouldn’t put the images directly in the dictionary either. But I might put the image file name in there and allocate it as needed. I’ve certainly done something similar when building buttons which have a different appearance in different states…
Rick Aurbach
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