工程中删除掉Main.storyboard重设app入口

1. 删除创建工程时自动生成的ViewController类、删除Main.storyboard。
2. 删除Info.plist中的【“Main storyboard file base name”-“Main”】键值对。
3. 在AppDelegate类中重新设置一个 window

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

    // Override point for customization after application launch.

    self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];

    HKMainViewController *mainVC = [[HKMainViewController alloc] init];

    HKBaseNavigationController *baseNav = [[HKBaseNavigationController alloc] initWithRootViewController:mainVC];

    self.window.rootViewController = baseNav;

    [self.window makeKeyAndVisible];

    return YES;

}

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