I created this post when I got and issue on trying to clear UserDefault values. Here is my problem scenario.

  1. Trying to save if user is logged in or not in user defaults.
  2. I used a code to save user login status with following code
    • UserDefaults(suiteName: "group.santosh.loginApp")?.setValue(true, forKey: "group.santosh.logginStatus")
    • It successfully stored the value.
  3. Here is a code to clear all user defaults values.
    • UserDefaults().removePersistentDomain(forName:"group.santosh.loginApp")
    • This also clears successfully.

So, that is the problem?

I tried to redirect from dashboard to login view controller once the user is logged out. I sent a server request to make user logged out. Server sent me a successful response and I tried to clear all user default values stored locally. But I was completely unable to clear the values.

Success:

  • Login from loginVC
  • On dasboardVC, tried to logout, it does clear user defaults value successfully and redirects to login vc.
    • Please note, I have written code which will redirect to corresponding VC based on login status stored in user default.
  • This process was a successful store and clear for user defaults values. And I did this without need to close or anything additional work.

 

Failure:

This is the state when user is logged in and closes the app. Now user opens the app, they will be at dashboard VC.

  • Now at dashboardVC, if user tries to click logout button, it doesn’t clear user defaults values.
  • I closed the app and open the app, it shows LoginVC.

 

Attempts:

  • I searched with the whole code if I have done something wrong. But then I realized that the very same code was working which I have explained in Success section above.
  • I tried if this was because of running code in background thread or in main thread. I tried everything but the problem was still the same.
  • I tried to do exactly the same with same code in new project and luckily it was working in new project.

 

What I did then?

Well, I tried changing App Group name to new one. And voila, it worked. Haha 😆. Oh my God.

Don’t forget to delete old entitlements and update the App Groups name in your code as well.

Anyway guys, I though this might be helpful to someone, so, I decided to post it here.

Thanks for reading my post.

Happy Coding.

👍👍👍