新手错误Apple Mach-O链接器错误

Question

我在这里很新，但是我遇到了Apple Mach-O Linker错误： 错误

这是我的应用程序代表！ // // AppDelegate.m // VCContainmentTut // //由A Khan在01/05/2013创建。 //版权所有（c）2013 AK。 版权所有。 //

#import "AppDelegate.h"
#import "RootController.h"
#import "ViewController.h"
#import "VidViewController.h"
#import "SelectVideo1.h"

@implementation AppDelegate

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

    VidViewController *vidViewController = [[VidViewController alloc] init];
    UINavigationController *navController1 = [[UINavigationController alloc] initWithRootViewController:vidViewController];
[self.window setRootViewController:navController1];

    SelectVideo1 *selectVideo1 = [[SelectVideo1 alloc] initWith:@"Movie Trailers"];
    //[self.navController pushViewController:selectVideo1 animated:YES];


    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    UIStoryboard *tabStoryBoard = [UIStoryboard storyboardWithName:@"TabStoryboard" bundle:nil];
    UIStoryboard *navStoryBoard = [UIStoryboard storyboardWithName:@"NavStoryboard" bundle:nil];
    UINavigationController *navController = [navStoryBoard instantiateViewControllerWithIdentifier:@"Nav Controller"];
    UITabBarController *tabController = [tabStoryBoard instantiateViewControllerWithIdentifier:@"Tab Controller"];
    ViewController *redVC, *greenVC;
    redVC = [[ViewController alloc] init];
    greenVC = [[ViewController alloc] init];

    redVC.view.backgroundColor = [UIColor redColor];
    greenVC.view.backgroundColor = [UIColor greenColor];

    RootController *menuController = [[RootController alloc]
                                      initWithViewControllers:@[tabController, redVC, greenVC, navController, selectVideo1]
                                      andMenuTitles:@[@"Cheats", @"Videos", @"WalkThroughs", @"Nav"]];
    self.window.rootViewController = menuController;
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    return YES;
}



@end

Answer 1

您的错误是由于您尝试使用尚未告知项目的代码（因此链接器）而导致的。 您需要将依赖项添加到项目中。 在这种情况下，框架将定义您要使用的功能。