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    <p>You are getting this error because the <code>NSMainNibFile</code> value is set in your <code>Info.plist</code>. It tells the OS to open that <code>NIB</code> file at launch. Since you're doing away with <code>NIB</code>s for some reason, you will have to fill in the holes that you've created by deleting the <code>NIB</code> file.</p> <ol> <li>You've to delete the key from the <code>Info.plist</code>.</li> <li><p>You have to make some changes in your <code>main.m</code>. Usually the <code>MainWindow.xib</code> contained the information about your application delegate but now you need to provide it. Find the line that reads <code>int retVal = UIApplicationMain(argc, argv, nil, nil);</code> and replace it with <code>int retVal = UIApplicationMain(argc, argv, nil, @"yourDelegateClassName");</code></p></li> <li><p>What you've done so far will instantiate the application delegate and your <code>application:didFinishLaunchingWithOptions:</code> will get called but your <code>window</code> isn't set yet as it was taken care of by the <code>NIB</code> file again. This will apply to all your outlets. Not only your `window.</p></li> </ol> <p>You will have to make some additions to your <code>application:didFinishLaunchingWithOptions:</code> method like this,</p> <pre><code>- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Instantiate Window self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; // Instantiate Root view controller RootViewController * viewController = [[[RootViewController alloc] init] autorelease]; // Instantiate navigation controller navigationController = [[UINavigationController alloc] initWithRootViewController:viewController]; [application setStatusBarStyle:UIStatusBarStyleBlackOpaque]; [window addSubview:navigationController.view]; [self.window makeKeyAndVisible]; return YES; } </code></pre> <p>The above method is just a template and must be modified to your requirement.</p>
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    1. PO'Terminating app due to uncaught exception'.. it couldn't find MainWindow, which no longer exists
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    1. USDeepak Danduprolu
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    1. COUnfortunately this still launches with just a black screen with a navigaiton bar at the top. My RootViewController would be HomeView (the first view to be seen), correct? And where you put 'yourDelegateClassName' i also put HomeView. Is this correct? This is what i have.
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      1. USAndrew
    2. COyourDelegateClassName should be your application delegate, not your view controller.
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      1. USLuke
    3. COthis works. complicated stuff. thanks to both of you.
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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.

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