Flutter Error : No Firebase App ‘[DEFAULT]’ has been created – call Firebase.initializeApp() in Flutter and Firebase

Hello Guys How are you all? hope you all are super fine. well whenever we use a firebase service-related plugin in a flutter project and then we get dependency, almost every developer would face this error Flutter Error: No Firebase App ‘[DEFAULT]’ has been created – call Firebase.initializeApp() in Flutter and Firebase.

I have decided to make all possible solution write down here so it will helpful for you. So without wasting your time lets start this article.

What Is Error:

══╡ EXCEPTION CAUGHT BY GESTURE ╞═══════════════════════════════════════════════════════════════════
The following FirebaseException was thrown while handling a gesture:
[core/no-app] No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp()

What Is Solution
Solution 1 :

Here is all Possible solution added Please visit at Flutter Error : No Firebase App ‘[DEFAULT]’ has been created – call Firebase.initializeApp() in Flutter and Firebase