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POOverwriting UINavigationBar to set a default titleView
 

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    <p>What I want to do is a navigation bar with a image on it. I have a tab controller on my main view, and inside each tab I have a UINavigationController. From inside the UIViewController that my tab/navigationController calls, I could set the titleView without much problem, doing this inside the viewDidLoad method:</p> <pre><code>self.navigationItem.titleView = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"mylogo.png"]] autorelease]; </code></pre> <p>But, I want to replace all titles in my navigationBar for this view, and it seems ugly to repeat this everywhere. So I did this on the delegate (after linking all the Outlet stuff)</p> <pre><code>self.tabOneNavController.navigationBar.topItem.titleView = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"mylogo.png"]] autorelease]; </code></pre> <p>Again, it worked! ok, I'm almost getting there. But the point is, I've 5 tabs and all of them have navigationControllers inside. I reduced the code repetition from every internal view to only 5 times, but it still. It requires that I do that for the NavController of each tab.</p> <p>Then I tried to extend the UINavigationBar to create my own, where I could set this in the initializer, and use it in the interface builder as the object class. But it doesn't seem to work. Here is what I did:</p> <pre><code>@implementation MyNavigationBar - (id)init { self = [super self]; self.tintColor = [UIColor greenColor]; self.topItem.title = @"testing please work"; return self; } @end </code></pre> <p>in the interface file MyNavigationBar inherits from UINavigationBar. But this didn't work. Should I overwrite other method? which one? is this a good practice? I'm not even sure if I should add one navigationBar for each tab, as I said, I have tabs and I want to have a navigation bar / navigate inside them. By now, after a near death experience trying to figure out how the interface builder / outlets and classes work, the code is working, I just would like to make unglify it.</p> <p>Thank you!</p>
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