Unhandled Exception: PlatformException(null-error, Host platform returned null value for non-null return value., null, null)

Question

i got this Error i didn't know how i would to solve it any solution Please.

when i initialise firebase im main function it show me this white screnn and flutter icon:

but when i delete this initliation this firebase app run successfully as it is:

and show me those errors

Answer 1

Make sure you have firebase_core in your pubspec.yaml Then, just use the following in your main:

await Firebase.initializeApp(
  options: DefaultFirebaseOptions.currentPlatform,
);

run

flutter clean

and

flutter pub get

in your terminal.

If it still fails, please go step by step following the firebase documentation. It should work. https://firebase.google.com/docs/flutter/setup?platform=android

Answer 2

I just forget to add Google services plugin in android/app/build.gradle:

apply plugin: 'com.google.gms.google-services'

Answer 3

For my problem, I solved it by changing firebase initialization in main.dart as followed.

await Firebase.initializeApp(options:DefaultFirebaseOptions.currentPlatform);

Answer 4

Above solution didn't work for me.

The problem is that flutter cannot connect to firebase. It can be due to incorrect google-services.json generating or pasting on wrong location.

Firebase has flutter tool to automatically inject the required configs, which actually worked for me.

• https://firebase.flutter.dev/docs/overview/ this worked well.

• This tool automatically takes the config and upload them to firebase.

Prerequisite

• Install firebase CLI. curl -sL https://firebase.tools | bash