AWS在Android应用程序中放大Cognito认证错误

我正在遵循Amplify文档为我的Android应用程序添加身份验证。我在这一行得到一个

AuthException

：

Amplify.addPlugin（AWSCognitoAuthPlugin（））

我确实创建了一个用户池。我是否需要以某种方式连接它？我想，

AWSMobileClient

有一些问题

这是我的

应用程序

课程：

类AppUtils:Application（）{
重写fun onCreate（）{
super.onCreate（）
试一试{
Amplify.addPlugin（AWSCognitoAuthPlugin（））
放大.配置（applicationContext）
Log.d（标签“初始化放大”）
}捕获（错误：异常）{
Log.e（标记“无法初始化放大”，错误）
}
}
}

以下是logcat中显示的错误：

AuthException{message=未能实例化AWSMobileClient，原因=java.lang.RuntimeException:未使用Cognito标识或Cognito用户池。必须至少存在一个才能使用AWSMobileClient.，recoverySuggestion=有关详细信息，请参阅附加的异常}

---

该错误表示在配置文件中找不到标识或用户池

首先确保已完成以下步骤：

• 放大初始化
• 放大添加验证
• 放大推力

完成后，您的

app/src/main/res/raw

目录中应该有一个

configuration.json

和一个

awsconfiguration.json

您的

configuration.json

应该如下所示：

{
    "UserAgent": "aws-amplify-cli/2.0",
    "Version": "1.0",
    "auth": {
        "plugins": {
            "awsCognitoAuthPlugin": {
                "UserAgent": "aws-amplify-cli/0.1.0",
                "Version": "0.1.0",
                "IdentityManager": {
                    "Default": {}
                },
                "CredentialsProvider": {
                    "CognitoIdentity": {
                        "Default": {
                            "PoolId": "us-east-1:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
                            "Region": "us-east-1"
                        }
                    }
                },
                "CognitoUserPool": {
                    "Default": {
                        "PoolId": "us-east-1_xxxxxxxxx",
                        "AppClientId": "xxxxxxxxxxxxxxxxxxxxxxxxxx",
                        "AppClientSecret":
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
                        "Region": "us-east-1"
                    }
                },
                "Auth": {
                    "Default": {
                        "authenticationFlowType": "USER_SRP_AUTH"
                    }
                }
            }
        }
    }
}

{
    "UserAgent": "aws-amplify-cli/0.1.0",
    "Version": "0.1.0",
    "IdentityManager": {
        "Default": {}
    },
    "CredentialsProvider": {
        "CognitoIdentity": {
            "Default": {
                "PoolId": "us-east-1:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
                "Region": "us-east-1"
            }
        }
    },
    "CognitoUserPool": {
        "Default": {
            "PoolId": "us-east-1_xxxxxxxxx",
            "AppClientId": "xxxxxxxxxxxxxxxxxxxxxxxxxx",
            "AppClientSecret":
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
            "Region": "us-east-1"
        }
    },
    "Auth": {
        "Default": {
            "authenticationFlowType": "USER_SRP_AUTH"
        }
    }
}

您的

awsconfiguration.json

应该如下所示：

{
    "UserAgent": "aws-amplify-cli/2.0",
    "Version": "1.0",
    "auth": {
        "plugins": {
            "awsCognitoAuthPlugin": {
                "UserAgent": "aws-amplify-cli/0.1.0",
                "Version": "0.1.0",
                "IdentityManager": {
                    "Default": {}
                },
                "CredentialsProvider": {
                    "CognitoIdentity": {
                        "Default": {
                            "PoolId": "us-east-1:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
                            "Region": "us-east-1"
                        }
                    }
                },
                "CognitoUserPool": {
                    "Default": {
                        "PoolId": "us-east-1_xxxxxxxxx",
                        "AppClientId": "xxxxxxxxxxxxxxxxxxxxxxxxxx",
                        "AppClientSecret":
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
                        "Region": "us-east-1"
                    }
                },
                "Auth": {
                    "Default": {
                        "authenticationFlowType": "USER_SRP_AUTH"
                    }
                }
            }
        }
    }
}

{
    "UserAgent": "aws-amplify-cli/0.1.0",
    "Version": "0.1.0",
    "IdentityManager": {
        "Default": {}
    },
    "CredentialsProvider": {
        "CognitoIdentity": {
            "Default": {
                "PoolId": "us-east-1:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
                "Region": "us-east-1"
            }
        }
    },
    "CognitoUserPool": {
        "Default": {
            "PoolId": "us-east-1_xxxxxxxxx",
            "AppClientId": "xxxxxxxxxxxxxxxxxxxxxxxxxx",
            "AppClientSecret":
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
            "Region": "us-east-1"
        }
    },
    "Auth": {
        "Default": {
            "authenticationFlowType": "USER_SRP_AUTH"
        }
    }
}

---

如果您刚刚添加了Cognito，请运行

amplify update api

使用Cognito作为身份验证模式

然后跑

amplify push