Flutter and google_sign_in plugin: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10:， null)

凭据的对话框(谷歌表单)已成功打开，但在我填写凭据后，我得到这个错误。我是按照这里的指示做的。创建了一个Firebase项目，启用谷歌驱动器API(这是我现在需要的)从谷歌API控制台。

抛出异常的代码:

final GoogleSignIn _googleSignIn = GoogleSignIn(
  scopes: [
    'https://www.googleapis.com/auth/drive',
  ],
);

await _googleSignIn.signIn();

这是堆栈跟踪:

E/flutter ( 5068): [ERROR:flutter/shell/common/shell.cc(184)] Dart Error: Unhandled exception:
E/flutter ( 5068): PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null)
E/flutter ( 5068): #0      StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:551:7)
E/flutter ( 5068): #1      MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:292:18)
E/flutter ( 5068): <asynchronous suspension>
E/flutter ( 5068): #2      GoogleSignIn._callMethod (package:google_sign_in/google_sign_in.dart:226:58)
E/flutter ( 5068): <asynchronous suspension>
E/flutter ( 5068): #3      GoogleSignIn._addMethodCall (package:google_sign_in/google_sign_in.dart:268:20)
E/flutter ( 5068): #4      GoogleSignIn.signIn (package:google_sign_in/google_sign_in.dart:339:48)
E/flutter ( 5068): #5      ThatsMyComponentState.theSignInFuction.<anonymous closure> (package:my_app/widgets/my_file.dart:666:45)
E/flutter ( 5068): <asynchronous suspension>
E/flutter ( 5068): #6      _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:507:14)
E/flutter ( 5068): #7      _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:562:30)
E/flutter ( 5068): #8      GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:102:24)
E/flutter ( 5068): #9      TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:242:9)
E/flutter ( 5068): #10     TapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:204:7)
E/flutter ( 5068): #11     GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:156:27)
E/flutter ( 5068): #12     _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:184:20)
E/flutter ( 5068): #13     _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:158:22)
E/flutter ( 5068): #14     _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:138:7)
E/flutter ( 5068): #15     _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:101:7)
E/flutter ( 5068): #16     _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:85:7)
E/flutter ( 5068): #17     _invoke1 (dart:ui/hooks.dart:168:13)
E/flutter ( 5068): #18     _dispatchPointerDataPacket (dart:ui/hooks.dart:122:5)

google_sign_in插件版本为4.0.0。

这是颤振doctot -v的输出:

[√] Flutter (Channel stable, v1.0.0, on Microsoft Windows [Version 10.0.17763.253], locale en-US)
• Flutter version 1.0.0 at C:\src\flutter-0.7.3\flutter
• Framework revision 5391447fae (10 weeks ago), 2018-11-29 19:41:26 -0800
• Engine revision 7375a0f414
• Dart version 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)

[√] Android toolchain - develop for Android devices (Android SDK 28.0.3)
• Android SDK at C:\Users\myuser\AppData\Local\Android\Sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• ANDROID_HOME = C:\Users\myuser\AppData\Local\Android\Sdk
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1248-b01)
• All Android licenses accepted.

[√] Android Studio (version 3.3)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin version 32.0.1
• Dart plugin version 182.5124
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1248-b01)

[!] IntelliJ IDEA Community Edition (version 2018.1)
• IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2018.1.6
X Flutter plugin not installed; this adds Flutter specific functionality.
X Dart plugin not installed; this adds Dart specific functionality.
• For information about installing plugins, see
  https://flutter.io/intellij-setup/#installing-the-plugins

[!] VS Code, 64-bit edition (version 1.30.2)
• VS Code at C:\Program Files\Microsoft VS Code
• Flutter extension not installed; install from
  https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[√] Connected device (1 available)
• Android SDK built for x86 • emulator-5554 • android-x86 • Android 8.1.0 (API 27) (emulator)

! Doctor found issues in 2 categories.

任何帮助都将不胜感激。谢谢!

当前回答

为了让google_sign_in正常工作，您可能需要采取其他步骤:

连接GooglePlay与Firebase [(https://github.com/flutter/flutter/issues/27599)

如果您可以在调试期间运行谷歌登录，但不能在发布期间运行，则很有可能您没有将发布密钥的SHA1和SHA256添加到firebase。要获得发布密钥的sha，使用keytool -list -v -keystore ~/key。JKS -alias键

您最终应该得到至少6个SHA凭据:2个来自调试键，2个来自谷歌播放链接，2个来自发布键。请注意，您不需要重新下载google服务。在firebase中添加发布SHA凭据后，生成的。

添加GooglePlay Proguard规则(https://github.com/flutter/flutter/issues/19102)

# Flutter Wrapper
-keep class io.flutter.app.** { *; }
-keep class io.flutter.plugin.**  { *; }
-keep class io.flutter.util.**  { *; }
-keep class io.flutter.view.**  { *; }
-keep class io.flutter.**  { *; }
-keep class io.flutter.plugins.**  { *; }

# GooglePlay Services
-keep class com.google.android.gms.** { *; }
-dontwarn com.google.android.gms.**
-keep class com.google.common.** { *; }
-dontwarn com.google.common.**

2019-05-08 09:29:41

其他回答

以及其他人建议的步骤运行。/ gradlew清洁为我工作。

2020-10-02 08:20:08

为了让google_sign_in正常工作，您可能需要采取其他步骤:

连接GooglePlay与Firebase [(https://github.com/flutter/flutter/issues/27599)

添加GooglePlay Proguard规则(https://github.com/flutter/flutter/issues/19102)

# Flutter Wrapper
-keep class io.flutter.app.** { *; }
-keep class io.flutter.plugin.**  { *; }
-keep class io.flutter.util.**  { *; }
-keep class io.flutter.view.**  { *; }
-keep class io.flutter.**  { *; }
-keep class io.flutter.plugins.**  { *; }

# GooglePlay Services
-keep class com.google.android.gms.** { *; }
-dontwarn com.google.android.gms.**
-keep class com.google.common.** { *; }
-dontwarn com.google.common.**

2019-05-08 09:29:41

我得到这个错误: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 7:，null)也许解决方案对你有好处。

我意识到我的调试设备(android调试模式)没有连接到互联网。我认为身份验证失败，所以方法返回null或用户等于null。

返回的变量必须在使用前检查。

2020-03-20 00:48:33

我尝试了以上所有方法，但都没用。我的错误是我的驱动器中有多个android studio版本文件夹，我在firebase设置中输入了错误的SHA1密钥。

2019-06-14 05:10:10

这个答案已经有30多个答案，但这是更完整的一步一步解决这个错误的方法。

很可能没有调试。keystore在您的C/User/。android目录。要生成一个，请执行以下操作

$keytool -genkey -v -keystore debug.keystore -storepass android -别名安卓调试密钥 -钥匙通行证安卓 -键格RSA -密钥大小 2048 -有效期 10000

使用组织名称国家代码美国并命名Android Debug

完成后，导航到gradlew所在的android flutter目录，并执行以下操作

。/ gradlew signingReport

你会有一个SHA1 SHA256密钥列表。复制命名为debug的两个键。颤振项目firebase项目设置的密钥存储库(在其中下载google-services.json)

清理并重建项目。

2022-06-28 03:46:02

Flutter and google_sign_in plugin: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10:， null)

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