OC導航器部分代碼

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    
    //插入視圖控制器
    ViewController *_viewCon = [[ViewController alloc] init];
    
    //建立導航來控制視圖
    UINavigationController *_naviCon = [[UINavigationController alloc] initWithRootViewController:_viewCon];
    
    [_naviCon setNavigationBarHidden:YES];
    
    self.window.rootViewController = _naviCon;
    
    
    
    
    
    
    return YES;
}