Flutter Firebase Authentication With Google App Crash

Question

I am making a "Sign In With Google" button using Flutter but when I click the button the app crashes and exit although I am sure that Firebase is correctly integrated with the app and the SHA1 is correct as well as the app works well with Firestore

here are the code and the error.

error :

I/art     (13904): Rejecting re-init on previously-failed class java.lang.Class<com.google.android.gms.auth.api.signin.internal.SignInHubActivity>
I/art     (13904): Rejecting re-init on previously-failed class java.lang.Class<com.google.android.gms.auth.api.signin.internal.SignInHubActivity>
E/flutter (13904): [ERROR:flutter/shell/platform/android/platform_view_android_jni.cc(40)] java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/auth/api/signin/internal/SignInHubActivity;
E/flutter (13904):  at com.google.android.gms.auth.api.signin.internal.zzh.zzc(Unknown Source)
E/flutter (13904):  at com.google.android.gms.auth.api.signin.GoogleSignInClient.getSignInIntent(Unknown Source)
E/flutter (13904):  at io.flutter.plugins.googlesignin.GoogleSignInPlugin$Delegate.signIn(GoogleSignInPlugin.java:291)
E/flutter (13904):  at io.flutter.plugins.googlesignin.GoogleSignInPlugin.onMethodCall(GoogleSignInPlugin.java:77)
E/flutter (13904):  at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:222)
E/flutter (13904):  at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:96)
E/flutter (13904):  at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:643)
E/flutter (13904):  at android.os.MessageQueue.nativePollOnce(Native Method)
E/flutter (13904):  at android.os.MessageQueue.next(MessageQueue.java:331)
E/flutter (13904):  at android.os.Looper.loop(Looper.java:218)
E/flutter (13904):  at android.app.ActivityThread.main(ActivityThread.java:5526)
E/flutter (13904):  at java.lang.reflect.Method.invoke(Native Method)
E/flutter (13904):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
E/flutter (13904):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
E/flutter (13904): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.auth.api.signin.internal.SignInHubActivity" on path: DexPathList[[zip file "/data/app/com.example.tester-1/base.apk"],nativeLibraryDirectories=[/data/app/com.example.tester-1/lib/arm, /data/app/com.example.tester-1/base.apk!/lib/armeabi-v7a, /vendor/lib, /system/lib]]
E/flutter (13904):  at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
E/flutter (13904):  at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
E/flutter (13904):  at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
E/flutter (13904):  ... 14 more
E/flutter (13904):  Suppressed: java.lang.NoClassDefFoundError: com.google.android.gms.auth.api.signin.internal.SignInHubActivity
E/flutter (13904):      at dalvik.system.DexFile.defineClassNative(Native Method)
E/flutter (13904):      at dalvik.system.DexFile.defineClass(DexFile.java:226)
E/flutter (13904):      at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
E/flutter (13904):      at dalvik.system.DexPathList.findClass(DexPathList.java:338)
E/flutter (13904):      at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
E/flutter (13904):      ... 16 more
E/flutter (13904):  Suppressed: java.lang.ClassNotFoundException: com.google.android.gms.auth.api.signin.internal.SignInHubActivity
E/flutter (13904):      at java.lang.Class.classForName(Native Method)
E/flutter (13904):      at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
E/flutter (13904):      at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
E/flutter (13904):      at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
E/flutter (13904):      ... 15 more
E/flutter (13904):  Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available
E/flutter (13904):
F/flutter (13904): [FATAL:flutter/shell/platform/android/platform_view_android_jni.cc(77)] Check failed: CheckException(env).
F/libc    (13904): Fatal signal 6 (SIGABRT), code -6 in tid 13904 (.example.tester)
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
UUID: 82d8c901-de47-4729-a4c6-a013707000ca
Build fingerprint: 'Sony/D6503/D6503:6.0.1/23.5.A.1.291/2769308465:user/release-keys'
Revision: '0'
ABI: 'arm'
pid: 13904, tid: 13904, name: .example.tester  >>> com.example.tester <<<
signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
Abort message: '[FATAL:flutter/shell/platform/android/platform_view_android_jni.cc(77)] Check failed: CheckException(env).
'
    r0 00000000  r1 00003650  r2 00000006  r3 b6fe9b7c
    r4 b6fe9b84  r5 b6fe9b34  r6 0000000b  r7 0000010c
    r8 bee23e9c  r9 00000000  sl 00000001  fp b6f7cc11
    ip 00000006  sp bee23d78  lr b6d4ecb1  pc b6d510a0  cpsr 400f0010
backtrace:
    #00 pc 000420a0  /system/lib/libc.so (tgkill+12)
    #01 pc 0003fcad  /system/lib/libc.so (pthread_kill+32)
    #02 pc 0001c463  /system/lib/libc.so (raise+10)
    #03 pc 00019615  /system/lib/libc.so (__libc_android_abort+34)
    #04 pc 00017568  /system/lib/libc.so (abort+4)
    #05 pc 00b0cc63  /data/app/com.example.tester-1/lib/arm/libflutter.so (offset 0xafe000)
    #06 pc 00b03411  /data/app/com.example.tester-1/lib/arm/libflutter.so (offset 0xafe000)
    #07 pc 00b02107  /data/app/com.example.tester-1/lib/arm/libflutter.so (offset 0xafe000)
    #08 pc 00b338ef  /data/app/com.example.tester-1/lib/arm/libflutter.so (offset 0xafe000)
    #09 pc 00b0d3c5  /data/app/com.example.tester-1/lib/arm/libflutter.so (offset 0xafe000)
    #10 pc 00b107ab  /data/app/com.example.tester-1/lib/arm/libflutter.so (offset 0xafe000)
    #11 pc 00012e03  /system/lib/libutils.so (_ZN7android6Looper9pollInnerEi+530)
    #12 pc 00012ed3  /system/lib/libutils.so (_ZN7android6Looper8pollOnceEiPiS1_PPv+130)
    #13 pc 00082a59  /system/lib/libandroid_runtime.so (_ZN7android18NativeMessageQueue8pollOnceEP7_JNIEnvP8_jobjecti+22)
    #14 pc 72d4655d  /data/dalvik-cache/arm/system@[email protected] (offset 0x1f66000)
Tombstone written to: /data/tombstones/tombstone_08

code is all in main.dart :

import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:google_sign_in/google_sign_in.dart';
import 'package:provider/provider.dart';
import 'package:tester/locator.dart';
import 'package:tester/ui/views/HomeView.dart';

import 'core/viewmodels/crudModel.dart';

main(List<String> args) {
  setupLocator();
  runApp(TestApp());
}

class TestApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    SystemChrome.setSystemUIOverlayStyle(
      SystemUiOverlayStyle(statusBarColor: Colors.green),
    );
    return MultiProvider(
      providers: [
        ChangeNotifierProvider(
          builder: (_) => locator<CRUDModel>(),
        )
      ],
      child: MaterialApp(
        debugShowCheckedModeBanner: false,
        theme: ThemeData(
          accentColor: Colors.green,
          primaryColor: Colors.green,
        ),
        home: GoogleLoginView(),
      ),
    );
  }
}

class GoogleLoginView extends StatelessWidget {
  final GoogleSignIn _googleSignInObject = GoogleSignIn();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        centerTitle: true,
        title: Text('Google Login'),
      ),
      body: Center(
        child: RaisedButton(
          color: Colors.green,
          splashColor: Colors.greenAccent,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(20),
          ),
          onPressed: _googleSignIn,
          child: Text('Google Sign In'),
        ),
      ),
    );
  }

  Future<void> _googleSignIn() async {
    GoogleSignInAccount _googleSignInAccount =
        await _googleSignInObject.signIn().catchError((e) => print(e));
    GoogleSignInAuthentication _googleSignInAuthentication =
        await _googleSignInAccount.authentication.catchError((e) => print(e));
    await FirebaseAuth.instance.signInWithCredential(
      GoogleAuthProvider.getCredential(
        idToken: _googleSignInAuthentication.idToken,
        accessToken: _googleSignInAuthentication.accessToken,
      ),
    ).catchError((e) => print(e));
  }
}

pubspec.yaml :

name: tester
description: A new Flutter project.

# The following defines the version and build number for your application.
# A version number is three numbers separated by dots, like 1.2.43
# followed by an optional build number separated by a +.
# Both the version and the builder number may be overridden in flutter
# build by specifying --build-name and --build-number, respectively.
# In Android, build-name is used as versionName while build-number used as versionCode.
# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
# Read more about iOS versioning at
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
version: 1.0.0+1

environment:
  sdk: ">=2.1.0 <3.0.0"

dependencies:
  flutter:
    sdk: flutter

  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^0.1.2
  provider: ^3.0.0+1
  get_it: ^1.0.3+2
  cloud_firestore: ^0.12.9
  firebase_core: ^0.4.0+8
  google_sign_in: ^4.0.6
  firebase_auth: ^0.14.0+1

dev_dependencies:
  flutter_test:
    sdk: flutter


# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec

# The following section is specific to Flutter.
flutter:

  # The following line ensures that the Material Icons font is
  # included with your application, so that you can use the icons in
  # the material Icons class.
  uses-material-design: true

  # To add assets to your application, add an assets section, like this:
  assets:
   - res/images/bag.jpg
   - res/images/computer.jpg
   - res/images/dress.jpg
   - res/images/phone.jpg
   - res/images/shoes.jpg

  # An image asset can refer to one or more resolution-specific "variants", see
  # https://flutter.dev/assets-and-images/#resolution-aware.

  # For details regarding adding assets from package dependencies, see
  # https://flutter.dev/assets-and-images/#from-packages

  # To add custom fonts to your application, add a fonts section here,
  # in this "flutter" section. Each entry in this list should have a
  # "family" key with the font family name, and a "fonts" key with a
  # list giving the asset and other descriptors for the font. For
  # example:
  # fonts:
  #   - family: Schyler
  #     fonts:
  #       - asset: fonts/Schyler-Regular.ttf
  #       - asset: fonts/Schyler-Italic.ttf
  #         style: italic
  #   - family: Trajan Pro
  #     fonts:
  #       - asset: fonts/TrajanPro.ttf
  #       - asset: fonts/TrajanPro_Bold.ttf
  #         weight: 700
  #
  # For details regarding fonts from package dependencies,
  # see https://flutter.dev/custom-fonts/#from-packages

did you fill in the consent form on google console? error 12500. — griffins
– griffins, Commented Aug 14, 2019 at 2:46

Sandun Sameera · Accepted Answer · 2019-11-23 05:24:19Z

2

I faced the same problem. Upgrading to AndroidX solved my problem.
To upgrade your flutter project to androidx Android Studio is a time saver.

Steps:

To upgrade the project to androidx, open the android folder within your flutter project in the Android Studio.
From Refactor menu select Migrade to AndroidX
And apply the migration changes
Run flutter clean build

edited Nov 23, 2019 at 5:24

Sandun Sameera

4306 silver badges14 bronze badges

answered Oct 19, 2019 at 17:02

Niamul Hasan

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Comments

Abhishek Kumar · Accepted Answer · 2019-10-28 13:14:07Z

1

in app level build.gradle

 defaultConfig {      

    minSdkVersion 23

}

in project level gradle.properties add

android.useAndroidX=true
android.enableJetifier=true

in build.gradle add

dependencies {
    classpath 'com.android.tools.build:gradle:3.2.1'
    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    classpath 'com.google.gms:google-services:4.2.0'
}

you can skip that Kotlin plugin if you are not using Kotlin support Dont forget to run flutter clean and then flutter pub upgrade

These changes helped me preventing my app crashes, It should help you too.

answered Oct 28, 2019 at 13:14

Abhishek Kumar

90013 silver badges21 bronze badges

1 Comment

Abhishek Kumar Over a year ago

This will certainly help.

Mehul Patel · Accepted Answer · 2019-08-29 13:02:14Z

0

I am using firebase_auth: ^0.14.0+2
google_sign_in: ^4.0.6

app level gradle:

dependencies {
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.2.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
    implementation 'com.google.firebase:firebase-core:17.0.1'
}

getting this error....

E/AndroidRuntime( 5431): Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View androidx.fragment.app.FragmentActivity.dispatchFragmentsOnCreateView(android.view.View, java.lang.String, android.content.Context, android.util.AttributeSet)' on a null object reference

Done: flutter clean cleaned cache flutter upgrade flutter pub get

edited Aug 29, 2019 at 13:02

Mehul Patel

23.1k21 gold badges99 silver badges95 bronze badges

answered Aug 14, 2019 at 18:13

GeekyShiva

111 silver badge2 bronze badges

4 Comments

Michael Amir Over a year ago

How did you clean the cache?

GeekyShiva Over a year ago

C:flutter/pub-cache/hosted/../<google_sign_in> & <firebase_auth>

GeekyShiva Over a year ago

i almost tried 2 days to make there two versions to work togather but failed. So i am using google_sign_in: 4.0.2 & firebase_auth: ^0.11.0+7

Kofi Nartey Over a year ago

I'm facing the same problem on iOS .... has anyone by chance solved this problem for iOS?

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