正文
OC--初始化UINavigationController
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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
// create a navigation controller and perform some simple styling
self.navigationController = [UINavigationController new];
self.navigationController.navigationBar.barTintColor = [UIColor darkGrayColor];
[self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor whiteColor]}];
// create and navigate to a view controller
UIViewController *viewController = [self createInitialViewController];
[self.navigationController pushViewController:viewController animated:NO];
// show the navigation controller
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.rootViewController = self.navigationController;
[self.window makeKeyAndVisible];
return YES;
}
- (UIViewController *)createInitialViewController {
self.viewModelServices = [[RWTViewModelServicesImpl alloc] initWithNavigationController:self.navigationController];
self.viewModel = [[RWTFlickrSearchViewModel alloc]
initWithServices:self.viewModelServices];
return [[RWTFlickrSearchViewController alloc]
initWithViewModel:self.viewModel];
}
