how to add uinavigation controller in a view based application

Question

I wanted to add a navigation controller to a view based application . how can we do this both programmatically and using xib file..

Answer 1

If you want to have a navigation controller as the root view for your main window. Then you can do so by using the following code.

@interface yourAppDelegate_iPad : NSObject  {
    UINavigationController *navigationController;
}

@property (nonatomic, retain) UINavigationController *navigationController;

@end

@implementation yourAppDelegate
@synthesize navigationController;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {


    navigationController = [[UINavigationController alloc] initWithRootViewController:yourRootViewController];
    [self.window addSubview:navigationController.view];
    [self.window makeKeyAndVisible];
    return YES;
}

You can do this by using the xib as follows

1. Open the MainWindow.xib
2. Drag and drop a UINavigationController to it.
3. Create and connect the outlets.
4. Open attributes for the navigation controller and set the root view.