Kyle Sluder <k...@ksluder.com> wrote:
> On Sun, Jun 16, 2013, at 05:00 PM, Daniel Wambold wrote:
>> Quincey Morris wrote:
>>>
>>>> I have a UIDatePicker in an .xib file with its File's Owner set to a
>>>> custom class, MyTimeDatePickerVC. The MyTimeDatePickerVC inherits from
>>>> UIViewController, and has an IBOutlet attached to the UIDatePicker.
>>>
>>> What does the IBOutlet declaration for the UIDatePicker look like?
>>
>> @interface MyTimeDatePickerVC : UIViewController <UITableViewDelegate,
>> UITableViewDataSource>
>> {
>> IBOutlet UIDatePicker *myTimeDatePickerUI;
>>
>> The connection is shown in the margin as the circle with a central dot,
>> as expected, and on inspection, it shows it's connected to the
>> MyDateTimePickerVC~iphone's Picker.
>
> From "Managing Nib Objects in iOS", in the Legacy Patterns section of
> the Nib Files chapter of the Resource Programming Guide
> <http://developer.apple.com/library/ios/#documentation/Cocoa/Conceptual/LoadingResources/CocoaNibs/CocoaNibs.html#//apple_ref/doc/uid/10000051i-CH4-SW19>:
>
> """As it rebuilds the object hierarchy, UIKit reestablishes connections
> between the objects using setValue:forKey:, which uses the available
> setter method or retains the object by default if no setter method is
> available. This means that (assuming you follow the pattern shown above)
> any object for which you have an outlet remains valid."""
>
> For this reason, that document recommends you use a weak declared
> property for outlets to non-top-level objects. You should probably
> follow that recommendation.
>
> --Kyle Sluder
Indeed, I should. Thank you for pointing me to this document, Kyle.
Best regards,
-Dan
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