Side Navigation Click Not Working

In your code some of the changes I made like self.window.rootViewController into App Delegate.

Also I changed into the SlideNavigationController define new UINavigationController then give the Storyboard Id that access into the code which is below.

 UIStoryboard *mainStoryboard = [UIStoryboard storyboardWithName:@"MainStoryboard_iPhone"
                                                             bundle: nil];
 self.landingScreen = (SlideNavigationController*)[mainStoryboard
                                                      instantiateViewControllerWithIdentifier: @"launchingNVCtr"];

Also some code changes into the appDelegate.

-(void)setupDrawers{
    UIStoryboard *mainStoryboard = [UIStoryboard storyboardWithName:@"MainStoryboard_iPhone"
                                                             bundle: nil];
    self.landingScreen = (SlideNavigationController*)[mainStoryboard
                                                      instantiateViewControllerWithIdentifier: @"launchingNVCtr"];

    LeftMenuViewController *leftMenu = (LeftMenuViewController*)[mainStoryboard
                                                                 instantiateViewControllerWithIdentifier: @"LeftMenuViewController"];

    RightMenuViewController *rightMenu = (RightMenuViewController*)[mainStoryboard
                                                                    instantiateViewControllerWithIdentifier: @"RightMenuViewController"];

    self.landingScreen = [SlideNavigationController sharedInstance];
    self.landingScreen.rightMenu = rightMenu;
    self.landingScreen.leftMenu = leftMenu;
    self.landingScreen.menuRevealAnimationDuration = 0.18f;
    // Creating a custom bar button for right menu
    UIButton *button  = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 30, 30)];
    [button setImage:[UIImage imageNamed:@"gear"] forState:UIControlStateNormal];
    [button addTarget:[SlideNavigationController sharedInstance] action:@selector(toggleRightMenu) forControlEvents:UIControlEventTouchUpInside];
    UIBarButtonItem *rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:button];
    self.landingScreen.rightBarButtonItem = rightBarButtonItem;

    [[NSNotificationCenter defaultCenter] addObserverForName:SlideNavigationControllerDidClose object:nil queue:nil usingBlock:^(NSNotification *note) {
        NSString *menu = note.userInfo[@"menu"];
        NSLog(@"Closed %@", menu);
    }];

    [[NSNotificationCenter defaultCenter] addObserverForName:SlideNavigationControllerDidOpen object:nil queue:nil usingBlock:^(NSNotification *note) {
        NSString *menu = note.userInfo[@"menu"];
        NSLog(@"Opened %@", menu);
    }];

    [[NSNotificationCenter defaultCenter] addObserverForName:SlideNavigationControllerDidReveal object:nil queue:nil usingBlock:^(NSNotification *note) {
        NSString *menu = note.userInfo[@"menu"];
        NSLog(@"Revealed %@", menu);
    }];
}

Then following method for calling when tap on Log In button.

-(void)displayLandingScreen{
    [self setupDrawers];
    self.window.rootViewController = self.landingScreen;
}

Following code for when user tap on Log out.

-(void)logOutPressed{
    //mainTabBar
    UIStoryboard *mainStoryboard = [UIStoryboard storyboardWithName:@"MainStoryboard_iPhone"
                                                             bundle: nil];
    UITabBarController *loginTab = (UITabBarController*)[mainStoryboard
                                                      instantiateViewControllerWithIdentifier: @"mainTabBar"];

    self.window.rootViewController = loginTab;
}

Also same code retrieve from the HERE.