Phone auth is crashing on android when it sends the code.

[JesseLeDavis]

Hello everyone! My app keeps crashing when the code is sent to the phone. Im not too sure why its happening. Ive tried to do fixes I found online but nothing seems to work.

Heres the error code.

Exception java.lang.RuntimeException: at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0 (LoadedApk.java:1919) at android.app.LoadedApk$ReceiverDispatcher$Args.$r8$lambda$gDuJqgxY6Zb-ifyeubKeivTLAwk at android.app.LoadedApk$ReceiverDispatcher$Args$$ExternalSyntheticLambda0.run at android.os.Handler.handleCallback (Handler.java:958) at android.os.Handler.dispatchMessage (Handler.java:99) at android.os.Looper.loopOnce (Looper.java:230) at android.os.Looper.loop (Looper.java:319) at android.app.ActivityThread.main (ActivityThread.java:8919) at java.lang.reflect.Method.invoke at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:578) at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1103) Caused by java.lang.NullPointerException: Attempt to invoke interface method 'int java.lang.CharSequence.length()' on a null object reference at java.util.regex.Matcher.reset (Matcher.java:386) at java.util.regex.Matcher.<init> (Matcher.java:210) at java.util.regex.Pattern.matcher (Pattern.java:989) at com.google.android.gms.internal.firebase-auth-api.zzadt.zza (com.google.firebase:firebase-auth@@22.3.1:3) at com.google.android.gms.internal.firebase-auth-api.zzadx.onReceive (com.google.firebase:firebase-auth@@22.3.1) at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0 (LoadedApk.java:1911)

and heres my sign in logic

`Future submit() async {
final currentState = state;
try {
switch (state.status) {
case SignUpStatus.name:
final formStatus = Formz.validate([state.firstName]);
emit(
state.copyWith(
status: SignUpStatus.phoneEmail,
formStatus: formStatus.isValid && state.phone.valid
? FormzStatus.valid
: FormzStatus.invalid,
),
);
break;

    case SignUpStatus.phoneEmail:
      final phoneNumber = state.phone.cleanValue;
      if (phoneNumber.isEmpty) {
        emit(state.copyWith(error: 'Phone number is required'));
        return;
      }
      final numberIsFree =
          await _authService.numberIsFree(phoneNumber: phoneNumber);
      if (numberIsFree) {
        await _authService.verify(
          phoneNumber: phoneNumber,
          verificationCompleted: (phoneAuthCred) {
            emit(state.copyWith(formStatus: FormzStatus.submissionSuccess));
          },
          verificationFailed: (firebaseException) {
            emit(state.copyWith(formStatus: FormzStatus.submissionFailure));
            emit(state.copyWith(formStatus: FormzStatus.valid));
          },
          codeSent: (verificationId, resendToken) {
            emit(
              state.copyWith(
                status: SignUpStatus.code,
                formStatus: FormzStatus.pure,
                resendToken: resendToken,
                verificationId: verificationId,
              ),
            );
          },
          codeAutoRetrievalTimeout: (verificationId) {
            emit(state.copyWith(verificationId: verificationId));
          },
        );
      } else {
        await HapticFeedback.heavyImpact();
        emit(
          state.copyWith(
            error:
                'This phone number is already in use, please try a different one.',
          ),
        );
        await Future.delayed(const Duration(seconds: 10));
        if (state == currentState) {
          emit(state.copyWith(error: null));
        }
      }
      break;

    case SignUpStatus.code:
      final verificationId = state.verificationId;
      final otp = state.otp;
      if (verificationId == null || otp.isEmpty) {
        emit(state.copyWith(error: 'Verification ID and OTP are required'));
        return;
      }
      emit(state.copyWith(formStatus: FormzStatus.submissionInProgress));
      final signUpResult = await _authService.signUp(
        profilePhoto: state.image,
        verificationId: verificationId,
        otp: otp,
        firstName: state.firstName.value,
        lastName: state.lastName.value,
        gender: state.gender.value,
        ageRange: state.ageRange.value,
        email: state.email.value,
      );
      signUpResult.fold((l) {
        emit(state.copyWith(formStatus: FormzStatus.submissionFailure));
        emit(state.copyWith(formStatus: FormzStatus.valid));
      }, (r) {
        getIt<AuthenticationCubit>().authenticate(r);
        emit(state.copyWith(formStatus: FormzStatus.submissionSuccess));
        emit(state.copyWith(formStatus: FormzStatus.valid));
      });
      break;
  }
} catch (e, stackTrace) {
  emit(state.copyWith(formStatus: FormzStatus.submissionFailure));
  emit(state.copyWith(formStatus: FormzStatus.valid));
  debugPrint('Submit error: $e');
  debugPrint('StackTrace: $stackTrace');
}

}
`