StackOverflow2013

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4877828
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2011-02-02T17:40:36.187
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2011-02-02T17:40:36.187
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From my experience, the best way to istantiate the detail view controller is: <pre><code>MyDetailController * dc = [[MyDetailController alloc] initWithMyObject: anObject]; [self.navigationController pushViewController: dc animated: YES]; [dc release]; </code></pre> where anObject is the piece of your downloaded data you want to present in the detail view controller. I assume your list controller is the main one of your app, which should be instantiate as follows: <pre><code>- (BOOL) application: (UIApplication *) application didFinishLaunchingWithOptions: (NSDictionary *) launchOptions { _baseWindow = [[UIWindow alloc] initWithFrame: [[UIScreen mainScreen] bounds]]; _listVC = [MyListController new]; [_baseWindow addSubview: _listVC.view]; [_baseWindow makeKeyAndVisible]; return YES; } </code></pre> And released: <pre><code>- (void) dealloc { [_listVC release]; _listVC = nil; [_baseWindow release]; _baseWindow = nil; [super dealloc]; } </code></pre> Remember that -viewDidLoad is called after -loadView, which in turn is called when someone tries to access the -view property of the view controller. Thus you may want to prepare your view in -viewDidLoad and do some additional tasks in -viewWillAppear or -viewDidAppear. Please note that -viewWillAppear (and similar methods) is called EVERY TIME that view controller's view is shown on screen. That is, for example, if you push another VC from detail vc and then pop, -viewDidAppear will be called again.
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1. POList and detail controller
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 PTQuestion
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1. PTAnswer
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1. USLorenzo Bevilacqua
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Guidance

A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.