Re: Docs warning unclear
Re: Docs warning unclear
- Subject: Re: Docs warning unclear
- From: WT <email@hidden>
- Date: Mon, 29 Jun 2009 01:19:58 +0200
On Jun 29, 2009, at 1:06 AM, DKJ wrote:
Well, it's unclear to me anyway.
<< Warning: If the view belonging to a view controller is added to a
view hierarchy directly, the view controller will not receive this
message. If you insert or add a view to the view hierarchy, and it
has a view controller, you should send the associated view
controller this message directly. Failing to send the view
controller this message will prevent any associated animation from
being displayed. >>
(In the description of UIViewController viewDidAppear: method)
How is a view controller added to a hierarchy "directly"? How would
one be added "indirectly"?
dkj
You're not reading the warning carefully enough. Note that it's
referring to adding a *view*, not a *view controller*, to a *view*
hierarchy. You add a view to a view hierarchy "directly" by using the
UIView's -addSubview: method. You should take some time to read the
"Window and Views" section of
http://developer.apple.com/iphone/library/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/iPhoneAppProgrammingGuide.pdf
to understand how to manipulate the view hierarchy.
Wagner
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