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POTab bar and Mapview issues
 

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    <p>I'm really confused about this issue. I have recently been having issues with my mapview tab in my application. Even to the point of starting over again. I'm just wondering if I am the only one having this issue or am I doing something wrong here. </p> <p>I am fairly new to iOS but I know how to define a mapview's center and span in order to center on the user's location. </p> <p>I've built this in its own view and it seems to work but when I put it in a tab controller...I have an issue. The map stays zoomed out while showing the user's location. It's supposed to show the user's location zoomed in.</p> <p>My MapViewController:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; [self.mapView.delegate self]; [self.mapView setShowsUserLocation:YES]; // Do any additional setup after loading the view from its nib. } -(void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation { CLLocationCoordinate2D loc = [userLocation coordinate]; MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(loc, 500, 500); [self.mapView setRegion:region animated:YES]; } </code></pre> <p>I also thought it could have something to do with the way I created the tab controller in the delegate.</p> <p>My app delegate:</p> <pre><code>- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // Override point for customization after application launch. UIViewController *viewController1 = [[NWSWelcomeViewController alloc] initWithNibName:@"NWSWelcomeViewController" bundle:nil]; UIViewController *viewController2 = [[NWSMapViewViewController alloc] initWithNibName:@"NWSMapViewViewController" bundle:nil]; // UIViewController *viewController3 = [[NWSSettingsViewController alloc] initWithNibName:@"NWSSettingsViewController" bundle:nil]; self.tabBarController = [[UITabBarController alloc] init]; self.tabBarController.viewControllers = @[viewController1, viewController2, /* viewController3 */]; self.window.rootViewController = self.tabBarController; [self.window makeKeyAndVisible]; return YES; } </code></pre> <p>I am writing for iOS 5.1 and I am using the latest Xcode. </p> <p>Yes, I have the settings for zooming enabled on the mapView. </p> <p>I just want to get the user location to zoom in the mapview to the user's location. </p>
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    1. COI'm thinking about it more and I'm wondering if I need to add something when the tab is pressed? Because I notice that the view flickers when I switch to the tab with the map. As if it were resetting itself.
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