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    <p>On MyAppNotificationUIThemeChanged every controller has to retrieve and set images for every UIImageView in it's main view. I can think of 2 approaches for doing this:</p> <p>1) Brute force. Something like this: </p> <pre><code>self.imageView1.image = [self currentThemeImage:@"someController_image1.png"]; self.imageView2.image = [self currentThemeImage:@"someController_image2.png"]; </code></pre> <p>2) Automated approach.</p> <pre><code>NSArray *imageViews = [self fetchAllImageViews]; foreach (UIImageView *iv in imageViews) { iv.image = [self currentThemeImageForTag:iv.tag]; } </code></pre> <p>where currentThemeImageForTag: is something like this:</p> <pre><code>- (UIImage*)currentUIThemeImageForTag:(NSUInteger)imageTag { return [self currentUIThemeImage:[NSString stringWithFormat:@"%@_%u.png", NSStringFromClass([self class]), imageTag]]; } </code></pre> <p>I also suggest to use NSBundle to package theme images and other resources.</p> <p><strong>Update:</strong></p> <p>I chose NSBundle only because of it's cool methods like pathForResource:ofType: and such and also ability to support localization. You can create bundle with XCode (just look under Mac OS X -> Framework&amp;Library section in new project dialog). Put your images in Resources, remove liks to any frameworks (there is no code anyway), build and that's it. In your app load bundle with <code>[NSBundle bundleWithPath:pathToDownloadedBundle]</code>. Beware though: I don't know if Apple allows to download bundles and use it's content in app. All I can guarantee is that it works on simulator.</p>
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    1. POWhat is the best way to create multi-theme application
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    1. COThanks, this is the exact thing I was thinking about
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    2. COCan you explain how to use NSBundle to package my resources?
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    3. COI don't think it's wise to tie image names to actual class names in the source code. Plus, what if he wants the same background on five different UIs? Some level of indirection might be useful.
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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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