signInWithCredential returns null without any error in flutter

yyyy 0
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I'm using Firebase to sign in with phone number it does send OTP message but when I'm trying to sign with credentials using the OTP I got and the verification ID (they're not null they do have values) it returns null here (result is null) not throwing any errors here's my code

 static Future<UserCredential?> verifyOTP(
      String verificationId, String otp) async {
    UserCredential? result;
    try {
      print(otp);
      print(verificationId);

      PhoneAuthCredential credential = PhoneAuthProvider.credential(
        verificationId: verificationId,
        smsCode: otp,
      );
      result = await _firebaseAuth?.signInWithCredential(credential);
      User? user = _firebaseAuth?.currentUser;
      print('user $user');
      print('results $result');
    } on FirebaseAuthException catch (error) {
      print(error);
    }
    return result;
  }
firebase-authentication flutter
1 Answers

By signInWithCredential do you mean Email and Password Firebase Authentication?

If so you should use signInWithEmailAndPassword Firebase Auth method. Example below:

try {
  await _firebaseAuth.signInWithEmailAndPassword(
    email: email,
    password: password,
  );
} catch (_) {
  throw const LogInWithEmailAndPasswordFailure();
}
Maciej Szakacz0
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