How to display a custom alert dialog in Flutter based on Firebase Auth error message?

Question

How to display a custom alert dialog based on an error message from Firebase Auth in Flutter. Let's say if a user submitted incorrect email or password or even user's email already registered on firebase then it will pop up an alert dialog based on it's error. Thank you in advanced

Answer 1

You can call showDialog method inside catch

  catch (e) {
          print(e);
          showDialog(
          context: context,
          builder: (context) {
            return AlertDialog(
            // set your custom alert dialog here 
            );
          });
  }