How to programmatically load UIViewController

Question

I have the following code and I want to load the UIViewController. How can I initialize and load the UIViewController.

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- (void) applicationDidFinishLaunching:(UIApplication*)application
{

    CC_DIRECTOR_INIT();

    NSLog(@"applicationDidFinishLaunching");

    MainViewController *controller = [[MainViewController alloc] init]; 





}

Answer 1

From your delegate you can do this (assuming you have IBOutlet UIWindow *window):

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[window addSubview:[controller view]];
[window makeKeyAndVisible];

Once a controller is loaded, you can push others (from the UIViewController):

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controller = [[MainViewController alloc] init];
[[self navigationController] pushViewController:controller animated:YES];

Here is a link to the documentation for UINavigationController.pushViewController

http://developer.apple.com/library/ios/documentation/UIKit/Reference/UINavigationController_Class/Reference/Reference.html#//apple_ref/occ/instm/UINavigationController/pushViewController:animated: