implementation 'com.google.android.things:cloud-iot-core:1.0.0'
var configuration = IotCoreConfiguration.Builder(). .setProjectId("my-gcp-project") .setRegistry("my-device-registry", "us-central1") .setDeviceId("my-device-id") .setKeyPair(keyPairObject) .build() var iotCoreClient = IotCoreClient.Builder() .setIotCoreConfiguration(configuration) .setOnConfigurationListener(onConfigurationListener) .setConnectionCallback(connectionCallback) .build() iotCoreClient.connect()
private fun publishTelemetry(temperature: Float, humidity: Float) { // payload is an arbitrary, application-specific array of bytes val examplePayload = """{ |"temperature" : $temperature, |"humidity": $humidity |}""".trimMargin().toByteArray() val event = TelemetryEvent(examplePayload, topicSubpath, TelemetryEvent.QOS_AT_LEAST_ONCE) iotCoreClient.publishTelemetry(event) } private fun publishDeviceState(telemetryFrequency: Int, enabledSensors: Array<String>) { // payload is an arbitrary, application-specific array of bytes val examplePayload = """{ |"telemetryFrequency": $telemetryFrequency, |"enabledSensors": ${enabledSensors.contentToString()} |}""".trimMargin().toByteArray() iotCoreClient.publishDeviceState(examplePayload) }
