Android应用程序中的AWSAmplifyCognitoAuth错误
我正在按照 Amplify 文档向我的 Android 应用程序添加身份验证。我AuthException在这条线上得到一个：
Amplify.addPlugin(AWSCognitoAuthPlugin())
我确实创建了一个用户池。我需要以某种方式附加它吗？有一些问题AWSMobileClient，我猜。
这是我的Application课：
class AppUtils : Application() {
override fun onCreate() {
super.onCreate()
try {
Amplify.addPlugin(AWSCognitoAuthPlugin())
Amplify.configure(applicationContext)
Log.d(TAG, "Initialized Amplify")
} catch (error: AmplifyException) {
Log.e(TAG, "Could not initialize Amplify", error)
}
}
}
这是出现在 logcat 中的错误：
AuthException{message=无法实例化 AWSMobileClient，cause=java.lang.RuntimeException：未使用 Cognito Identity 或 Cognito UserPool。必须至少存在一个才能使用 AWSMobileClient。, recoverySuggestion=有关更多详细信息，请参阅附加的例外情况}
回答
该错误表明在您的配置文件中没有找到 Identity 或 UserPool。
首先确保您已完成以下步骤：
- 放大初始化
- 放大添加身份验证
- 放大推
完成后，您的目录中应该有一个amplifyconfiguration.json和。awsconfiguration.jsonapp/src/main/res/raw
你amplifyconfiguration.json应该是这样的：
{
"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"
}
}
}
}
}
}
你awsconfiguration.json应该是这样的：
{
"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"
}
}
}