> On 15 Apr 2015, at 14:51, Quincey Morris
> <quinceymor...@rivergatesoftware.com> wrote:
>
> On Apr 14, 2015, at 23:47 , Gerriet M. Denkmann <gerr...@mdenkmann.de> wrote:
>>
>> Using the Xcode template: iOS - Master-Detail, the Detail view has (in the
>> top left corner) a Back-Button, which works fine.
>>
>> Now I added another UIBarButtonItem called: “Do something and go back”
>> connected to some IBAction in DetailViewController.
>>
>> But how to make it go back to the MasterView?
>>
>> Found some mention of the red Exit symbol. But cannot persuade Xcode to
>> create an Unwind segue to Master.
>> Tried to Control-Drag from the yellow Detail thing to the red Exit below,
>> but no effect.
>>
>> What am I missing?
>
> https://developer.apple.com/library/ios/technotes/tn2298/_index.html
>
> The key to this is that the unwind action method must have exactly the
> parameter type shown. Anything else prevents IB from connecting the Exit
> button to the target.
In DetailViewController I added:
- (IBAction)unwindToMainMenu:(UIStoryboardSegue*)sender
{
UIViewController *sourceViewController = sender.sourceViewController;
NSLog(@"%s %@ id %@",__FUNCTION__, sourceViewController,
sender.identifier);
[ sender perform ];
}
Now I can control-drag from by UIBarButtonItem to the red Exit symbol in the
Detail Scene. A big step forward.
A new “Unwind segue to Scene Exit Placeholder” appeared. I gave it an
identifier.
Build, run, click on my button: nothing happens.
I added:
- (IBAction)dummyExit: sender;
{
(void)sender;
NSLog(@"%s %@ ",__FUNCTION__, sender);
}
and control-dragged from my button to the yellow Detail thing.
Build, run, click on my button: nothing happens.
Nothing means: no NSLog, no anything.
What else am I missing?
Kind regards,
Gerriet.
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