I'm trying to use MFSideMenu but when I ask for the menu to open the app breaks because menuContainerViewController is empty
This is the code that creates the menu at appDelegate (didFinishLaunchingWithOptions):
let s = UIStoryboard(name: "Main", bundle: nil)
let contentView = s.instantiateInitialViewController()
let leftMenu = s.instantiateViewControllerWithIdentifier("LeftMenuViewController") as! LeftMenuViewController
let container:MFSideMenuContainerViewController = MFSideMenuContainerViewController.containerWithCenterViewController(contentView, leftMenuViewController: leftMenu, rightMenuViewController: nil)
window?.rootViewController = container
window?.makeKeyAndVisible()
this is the code responsible for opening my menu:
self.menuContainerViewController.toggleLeftSideMenuCompletion({})
what might be happening? I installed the library using CocoaPods and I'm importing it properly.
Try this one,
self.menuContainerViewController.toggleLeftSideMenuCompletion(nil)
Related
Hi I have to access storyboard from custom framework (LoginUIModule, LoginUIModule have storyboard LoginScreen.storyboard) in app delegate.
I removed Main storyboard from Main Interface and also removed name from Main storyboard file base name as well from .plist, but I getting an error
reason: 'Could not find a storyboard named 'LoginScreen' in bundle NSBundle
Note:- LoginUIModule is separate Module and I need to access it in my main (OneAppllbs) project which is a again separate module
The Code which I used in app delegate
import LoginUIModule
self.window = UIWindow(frame: UIScreen.main.bounds)
let storyboard = UIStoryboard(name: "LoginScreen", bundle: nil)
let initialViewController = storyboard.instantiateViewController(withIdentifier: "LoginUIModuleViewController") as? LoginUIModuleViewController
self.window?.rootViewController = initialViewController
self.window?.makeKeyAndVisible()
You need set Bundle to access Storyboard.
First create storyboardBundle with Bundle Identifier for framework;
let storyboardName = "LoginScreen"
let storyboardBundle = Bundle(for: LoginUIModuleViewController.self)
or referencing a class in framework:
let storyboardBundle = Bundle(identifier: "com.yourframework.id")
Then create storyboard with this bundle:
let storyboard = UIStoryboard(name: storyboardName, bundle: storyboardBundle)
Get storyboard from a framework
Set Storyboard ID for .storyboard. For example frameworkStoryboardId
[Access to Framework bundle]
let frameworkStoryboard = UIStoryboard(name: "SomeViewController", bundle: frameworkBundle)
let frameworkViewController = frameworkStoryboard.instantiateViewController(withIdentifier: "frameworkStoryboardId") as? SomeViewController
I have successfully configured google sign in my iOS App using Firebase.
After a successful login, I need to make the UIViewController move to HomeViewController.
The AppDelegate class has "didSignInFor" method in which I have added the following code
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let initialViewController = storyboard.instantiateViewController(withIdentifier: "HomeVC")
self.window?.rootViewController = initialViewController
self.window?.makeKeyAndVisible()
HomeVC is a storyboard id of HomeViewController and restoration id is also same.
But still, it doesn't take me to HomeViewController.
I have referred this stack overflow posts.
Opening view controller from app delegate using swift
Please tell me where I am going wrong. I have referred this video for building the app.
https://www.youtube.com/watch?v=20Qlho0G3YQ
Here's my AppDelegate.swift file https://pastebin.com/WfzhYAKH
Try:
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let initialViewController = storyboard.instantiateViewController(withIdentifier: "HomeVC")
self.window = UIWindow(frame: UIScreen.main.bounds)
self.window?.rootViewController = initialViewController
self.window?.makeKeyAndVisible()
This works for me.
Please comment if you have any questions. Happy to Help!
I am new to swift but I have implemented FCM but I am having an issue. When I click the notification it loads the NotificationsViewController with the following code.
let sb = UIStoryboard(name: "Main", bundle: nil)
let otherVC = sb.instantiateViewController(withIdentifier: "NotificationsViewController") as! NotificationsViewController
self.window?.rootViewController = otherVC;
Once the NotificationsViewController is loaded I use the following code in on the back button to reassign the root view back to the normal ViewController.
let mainStoryBoard = UIStoryboard(name: "Main", bundle: nil)
let redViewController = mainStoryBoard.instantiateViewController(withIdentifier: "splashScreen") as! ViewController
let appDelegate = UIApplication.shared.delegate as! AppDelegate
appDelegate.window?.rootViewController = redViewController
Once I am on the splashScreen it should show a quick image and then move on to the main dashboard using this code.
let vw = UIStoryboard.init(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "DashboardViewController") as! DashboardViewController
self.navigationController?.pushViewController(vw, animated: true)
The problem I am having is the splashScreen code is not working when the app loads it from NotificationsViewController, it just hangs on that VC, but if I load the splashScreen without reassigning the root view it works.
So is there some other way I should be doing this? I just want to take the user to the NotificationsViewController when they click the notification and then back to the main part of the app when they click a back button.
If you just need to show the NotificationViewController, you just present it in fullscreen. You can set it by vc.modalPresentationStyle = .fullScreen. Then to go back to the main app, you just need to dismiss it. :)
Initially I have a hierarchy below after login
-> MyCoursesViewController
-> CourseInfo UITabBarController
If the user closes the app, then re-enters, the rootViewController will be the CourseInfo UITabBarController which is correct. However when the user needs to view a different course (exits the course), they can’t go ‘back’ to MyCoursesViewController because its no longer on the stack.
In AppDelegate:
if (inCourse) {
let storyboard : UIStoryboard = UIStoryboard(name: “Main”, bundle: nil)
let courseInfoTabController = storyboard.instantiateViewControllerWithIdentifier(“CourseInfo”) as! UITabBarController
self.window?.rootViewController = courseInfoTabController
} else {
let storyboard : UIStoryboard = UIStoryboard(name: “Main”, bundle: nil)
let myCoursesViewController = storyboard.instantiateViewControllerWithIdentifier(“MyCourses”)
self.window?.rootViewController = myCoursesViewController
}
Is there some way I can put the MyCoursesViewController as the rootViewController then automatically navigate to Course Info UITabBarController just so the MyCoursesViewController is on the hierarchy incase they hit back (exits the course)?
Alternatively is it better if the user exits the course (hit back), we delete the rootViewController somehow and replace with a new rootViewController? Another option is if we just replace the rootViewController, will the old one be freed from memory or is it still referenced somewhere?
e.g.
CourseInfo UITabBarController is currently still rootViewController but now we swap it out with a new one
let mainStoryBoard = UIStoryboard(name: "Main", bundle: nil)
let myCoursesViewController = mainStoryBoard.instantiateViewControllerWithIdentifier(“MyCourses”) as! ViewController
let appDelegate = UIApplication.sharedApplication().delegate as! AppDelegate
appDelegate.window?.rootViewController = myCoursesViewController
In your AppDelegate you can set your hierarchy. Try with something like:
let storyboard : UIStoryboard = UIStoryboard(name: “Main”, bundle: nil)
let myCoursesViewController = storyboard.instantiateViewControllerWithIdentifier(“MyCourses”)
if isInCourse{
let courseInfoTabController = storyboard.instantiateViewControllerWithIdentifier(“CourseInfo”) as! UITabBarController
let navigationBar = UINavigationController()
navigationBar.setViewControllers([myCoursesViewController,courseInfoTabController], animated: false)
self.window?.rootViewController = navigationBar
}else{
self.window.rootViewController = myCoursesViewController
}
I'm having some troubles with revealViewController in Xcode 7.2 and iOS 9.2.
My app starts with a view controller embedded in a navigation controller to perform a login.
After login, or if the login token is present, I jump to another view controller embedded in a navigation controller with the following code:
let homePage = self.storyboard?.instantiateViewControllerWithIdentifier("HomeViewController") as! HomeViewController
let homePageNav = UINavigationController(rootViewController: homePage)
let appDelegate = UIApplication.sharedApplication().delegate as! AppDelegate
appDelegate.window?.rootViewController = homePageNav
In this home view controller I would like to have a left navigation menu with SWRealViewController.
I had the SWRealViewController view linked with sw_front to my home navigation controller, and the following code:
if (self.revealViewController() != nil) {
self.menuButton.target = self.revealViewController()
self.menuButton.action = "revealToggle:"
self.view.addGestureRecognizer(self.revealViewController().panGestureRecognizer())
But self.revealViewController() always returns nil, so it does not work.
I think I lost the revealViewController somewhere (maybe when I jump from the first navigation controller to the second) but I do not know what to do.
The most convenient to be a reason for the revealViewController to be nil
is you didn't connect segues correctly in stroyboard.
See this tutorial it's quite easy to follow.
Update
If in your case you just need to open a login vc if the user is not logged in you may do like this:
in AppDelegate
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
var rootVCStoryboardId = userIsLoggedin ? "SWRevealViewController" : "LoginViewController"
self.window?.rootViewController = UIStoryboard(name: Storyboards.main, bundle: NSBundle.mainBundle()).instantiateViewControllerWithIdentifier(rootVCStoryboardId)
Where SWRevealViewController is the stroyboard id for SWRevealViewController and LoginViewController is the storyboard id for your login view controller(or its navigation controller if exists).
In case someone is wondering how to do a manual segue, this is what worked for me at the end.
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let sw = storyboard.instantiateViewControllerWithIdentifier("SWRevealViewController") as! SWRevealViewController
self.view.window?.rootViewController = sw
let destinationController = self.storyboard?.instantiateViewControllerWithIdentifier("StoryboardID") as! NameOfViewController
let navigationController = UINavigationController(rootViewController: destinationController)
sw.pushFrontViewController(navigationController, animated: true)
Incase you are skipping login scene based on the current user information, then make sure to instantiate the storyboard with SWRevealViewController. See below code for reference:
if User.currentUser != nil {
//There is a current user
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let vc = storyboard.instantiateViewControllerWithIdentifier("SWRevealViewController")
window?.rootViewController = vc
}
else{
//No current user
}