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

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。

其他回答

如果您发布的应用程序不能正常工作,并且您正在使用谷歌播放签名,从您的播放商店帐户复制SHA,来自本地密钥的SHA将无法工作

您应该为所使用的每台pc生成SHA-1和SHA-256。并将它们全部添加到firebase项目设置。

您应该在OAuth Consent标签中填写表格。

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。

您可以使用真实的设备,因为这个问题有时会在模拟器或模拟器上持续存在。

您可能遇到此错误的一个原因是您没有填写谷歌的OAuth同意书。这是Firebase的一个新变化。

以下是你填写应用同意书时需要遵循的步骤:

Navigate to the google api console (currently at https://console.developers.google.com), make sure you are logged into your account which your firebase project is created under. Select your project from the "select a project" dropdown in top left of the developer console. In the left hand pane travel to "credentials" and then switch to the "OAuth consent screen". Under "Application name" enter your application's public name Under "Application logo" upload a local image file of your application Under "Support email" enter the same support email listed in your firebase application.

向下滚动并填写“应用程序主页链接”、“应用程序隐私政策链接”和“应用程序服务条款链接”,在您的firebase应用程序所在的授权域名前添加http://。

点击保存

这些步骤对我很有效!虽然链接可能不存在,但我想在这里引用这个解决方案的源代码