azure-iot-hub-device-management

问题 My requirement is to develop a mobile app which itself register the mobile device in an IoT hub using provisioning services. I am developing a mobile application using react native and Azure IoT Java SDK. It is to send telemetry data to Azure IoT hub. However I don't want to hard code the IoT connection details of each and every mobile devices. There I met the IoT provision services which can be used to register the devices programmatically. My plan was to register device upon the

问题 I want to search a specific enrollment device on DPS (based on its 'OL' tag). For that, I use the next piece of code: QuerySpecification querySpecification = new QuerySpecificationBuilder("*",QuerySpecificationBuilder.FromType.ENROLLMENTS) .where("initialTwin.tags.OL='12345678ABCD'") .createSqlQuery(); Query query = provisioningServiceClient.createIndividualEnrollmentQuery(querySpecification); But, when I execute query.next() to fetch the results, always is returning all the devices in the