Databases
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    <p><code>UITabBarController</code> derives all of the information necessary to create a tab bar item for each view controller by inspecting the view controller itself.</p> <p>All you need to do is assign an array of view controllers using <code>-setViewControllers:animated:</code>.</p> <p>Once a view controller is added to a tab bar controller, the tab bar controller will inspect the view controller's <code>tabBarItem</code> property. This tab bar item will be inserted into the tab bar controller's tab bar automatically. You can initialize a tab bar in each view controller programmatically. It looks something like this...</p> <pre><code>UITabBarItem *tabBarItem = [[UITabBarItem alloc] initWithTitle:@"Title" image:[UIImage imageNamed:@"someImage"] tag:1]; </code></pre> <p>or if you want to use one of the system items...</p> <pre><code>UITabBarItem *tabBarItem = [[UITabBarItem alloc] initWithSystemItem:UITabBarSystemItemFeatured tag:1]; </code></pre> <p>I suggest you take a look at the <a href="http://developer.apple.com/library/ios/#documentation/uikit/reference/UITabBarController_Class/Reference/Reference.html" rel="nofollow"><code>UITabBarController</code></a>, <a href="http://developer.apple.com/library/IOs/#documentation/UIKit/Reference/UITabBarItem_Class/Reference/Reference.html" rel="nofollow"><code>UITabBarItem</code></a> and <a href="http://developer.apple.com/library/ios/#documentation/uikit/reference/UIViewController_Class/Reference/Reference.html" rel="nofollow"><code>UIViewController</code></a> class references and read up on the relevant properties. The docs are filled with indispensable information.</p>
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    1. POAdding TabBar item icons by code, not interface builder?
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    1. USMark Adams
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    1. COI like this solution, but I can't seem to set the tab bar item's custom title once it's got a system item attached to it. *sigh*
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      1. USBen Kreeger
 

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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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