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.**

其他回答

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

如果它以前工作,但现在使用不同的PC,您将需要将该PC生成的新的SHA-1/SHA-256指纹添加到Firebase中的项目中。一个很好的循序渐进的例子:https://stackoverflow.com/a/56091158/5365164

我遇到了这个问题,花了5个小时才解决。我记得我在某个地方读到过,API Exception 10意味着指纹有问题。因此,它必须是密钥库或firebase中的错误配置。最终,它是密钥库。我仍然不确定为什么这样做有效,但这就是我所做的,顺便说一下,我使用的是Windows 10:

1)。确保在文件android/build中。我有以下几点:

buildscript {
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.5.1'
        classpath 'com.google.gms:google-services:4.2.0'
    }
}

2)。我将这两行添加到文件android/gradle.properties中

android.useAndroidX=true
android.enableJetifier=true

3)。导航到c:\ users \ youruser \。并删除了以下内容:

debug.keystore
debug.keystore.lock

4)。以admin打开终端,并在此目录中生成调试密钥存储库。

$ keytool -genkey -v -keystore debug.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000

获得指纹:

$ keytool -list -v -keystore debug.keystore -alias androiddebugkey -storepass android -keypass android 

5)。firebase配置中增加了SHA1指纹

我这边就这样了。我希望它能帮助到一些人。

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。

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。