file.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    [GMSServices provideAPIKey:@"AIzaSyAZWKELBYsRrFTjmd572Wh2iLpB92tZH2o"];


//    self.dynamicsController = drawerVC;
//    self.window.rootViewController = self.dynamicsController;
    
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    WelcomeViewController *welcomeVC = [WelcomeViewController new];
    [self.dynamicsController setPaneViewController:welcomeVC];
    
    MSDynamicsDrawerViewController *drawerVC = [MSDynamicsDrawerViewController new];
    drawerVC.paneViewController = welcomeVC;
    
    SettingsViewController *settingsMenu = [SettingsViewController new];
    [self.dynamicsController setDrawerViewController:settingsMenu forDirection:MSDynamicsDrawerDirectionLeft];
    
    self.window.rootViewController = welcomeVC;
    [self.window makeKeyAndVisible];
    

    
    
    return YES;
}