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Java and Android SMQ Client Library and Example

This directory contains the SMQ Java client library and example code for standard Java and Android.

The Java SMQ client operates over secure TLS connections. TLS is managed by the Java platform.

Java Swing Example

The included Java Swing example connects to a public test broker and lets you control LEDs from a desktop UI. The same broker can also be used by browser, C, and embedded examples, making it useful for testing real-time synchronization between multiple clients.

Java SMQ example

Compile and run the Swing example from this directory:

javac LedSMQ.java
java LedSMQ

The Swing example connects to the public SMQ test broker. You can control any connected devices or run a simulated device with the online device C example. The example also opens a browser window for the LED example's HTML5 UI, so you can see the Swing and browser clients synchronize in real time.

See the SMQ LED example tutorial for more information.

Using the Library

The SMQ Java library is in RTL/SMQ. Depending on the target environment, include only the relevant platform adapter:

  • Standard Java/Swing builds should exclude RTL/SMQ/AndroidSMQ.java.
  • Android builds should exclude RTL/SMQ/SwingSMQ.java.

The library does not depend on the example UI packages listed below.

Android

Include the SMQ Java code in your Android build, excluding RTL/SMQ/SwingSMQ.java.

A ready-to-use Android example can be downloaded from the SMQ source code page. A precompiled example is available on Google Play.

Example Source