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Overview

This demo shows the basic features and use cases of the IoT Hub SDK for Android through four tab pages.

Demo Entry Diagram

├── Demo
│   ├── Basic feature
│   ├── Device interconnection
│   ├── Device shadow
│   ├── Remote service

Demo Execution Path

Basic feature

This page contains three sections from top to bottom: parameter settings section, feature operation section, and log output section.

1. Parameter settings section

   • It provides the input box for the drop-down options key and value (which are optional here). You can set them in app-config.json.

2. Feature operation section

   • It offers the following operations: connection to/disconnection from MQTT, dynamic registration, topic-related operations (subscribing to/unsubscribing from/publishing to topic and subscribing to RRPC/broadcast topics), subdevice connection/disconnection, check for firmware update, log-related operations, subdevice binding/unbinding, device topological relationship query, and WebSocket-related operations.
   • Note: to use other features in the feature operation section, you must click Connect to MQTT and wait until the log output section print out onConnectComplete, status[ok].

3. Log output section

   • Logs of operations performed in the feature operation section will be output in this section; for example, if you click Subscribe to Topic, onSubscribeCompleted will be printed out here.

Device interconnection

This page contains two sections from top to bottom: feature operation section and log output section.

1. Feature operation section

   • Smart home scenario background
   • It offers two operations: homecoming and homeleaving. The former turns on the air conditioner in the room, while the latter turns off the air conditioner.

2. Log output section

   • Logs of operations performed in the feature operation section will be output in this section; for example, if you click Come Home, receive command: open airconditioner will be printed out here.

Device shadow

This page contains two sections from top to bottom: feature operation section and log output section.

1. Feature operation section

   • It offers the following operations: connection to/disconnection from IoT Hub, device attribute registration, device document acquisition, regular device shadow update, and topic-related operations (subscribing to/unsubscribing from/publishing to topic).

2. Log output section

   • Logs of operations performed in the feature operation section will be output in this section; for example, if you click Get Device Document, document[{... will be printed out here.

Remote service

This page contains two sections from top to bottom: feature operation section and log output section.

1. Feature operation section

   • It offers the following operations: remote service start/stop and shadow enablement/disablement, where remote service refers to running features in the Android Service component such as disconnecting from MQTT.
   • If you select the Use Shadow option, operations such as device attribute registration, device shadow acquisition, and device shadow update will be available.

2. Log output section

   • Logs of operations performed in the feature operation section will be output in this section; for example, if you click Start Remote Service, remote service has been started! will be printed out here.