你需要使用 Master-Detail Application 模板。从下拉列表中选择设备系列为 iPhone 。创建项目后，appDelegate将包含 UINavigationController 实例。

You need to use Master-Detail Application template. Choose Device Family from dropdown list as iPhone. After creating a project your appDelegate will contain UINavigationController instance.

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;
@property (strong, nonatomic) UINavigationController *navigationController;

@end

和

@implementation AppDelegate

@synthesize window = _window;
@synthesize navigationController = _navigationController;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
    // Override point for customization after application launch.

    MasterViewController *masterViewController = [[[MasterViewController alloc] initWithNibName:@"MasterViewController" bundle:nil] autorelease];
    self.navigationController = [[[UINavigationController alloc] initWithRootViewController:masterViewController] autorelease];
    self.window.rootViewController = self.navigationController;
    [self.window makeKeyAndVisible];
    return YES;
}