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Lightstreamer - Stock-List Demo with FCM Push Notifications - Android Client

This project contains a full example of an Android application that employs the Lightstreamer Android Client library to subscribe to real-time updates and FCM push notifications.

A simpler version, without FCM support is also available: Stock-List Demo - Android Client

Live Demo


tablet screenshot


View live demo

(To install the app from the Google Play Store, you can also use the above QR code)


This is a Java-for-Android version of the Lightstreamer - Basic Stock-List Demo - HTML client.
This app uses the Android Client API for Lightstreamer to handle the communications with Lightstreamer Server. A simple user interface is implemented to display the real-time data received from Lightstreamer Server.

Touch a row opens a new panel with the detailed information, updated in real-time, of the stock.

Touch the chart to setup a new trigger for push notifications.

The demo is ready to receive Mobile Push Notification through Firebase Cloud Messaging for Android.

Dig the Code

  • is the entry point and only Activity of the application. It contains two Fragments. Both fragments are visible if the application runs on tablet, while on smartphone only one Fragment at a time is visible.
  • handles the connection to the Lightstreamer server and the Subscription/Unsubscription requests issued by the various part of the application.
  • represents a Fragment containing a subscription that is started/stopped based on the lifecycle of the Fragment. Please note that this class does not actually extend Fragment.
  • and are the classes representing the two fragments of the application.
  • is the class dedicated to receive the Push Notifications, to create the notification for the system, and to attach to it an Intent capable of launching the Demo application focused on the notified item.
  • wraps the AndroidPlot APIs to plot the real-time chart on the details fragment.

Check out the sources for further explanations.

NOTE: Not all the functionalities of the Lightstreamer Android Java client are exposed by the classes listed above. You can easily expand those functionalities using the Android Client API as a reference. If in trouble check out the specific Lightstreamer forum.


If you want to install a version of this demo pointing to your local Lightstreamer Server and running into an Android Virtual Device, follow these steps:

  • Note that, as prerequisite, the Lightstreamer - Stock-List Demo - Java Adapter has to be deployed on your local Lightstreamer Server instance. Please check out that project and follow the installation instructions provided with it.
  • Launch Lightstreamer Server.
  • Download the file, which you can find in the latest deploy release of this project and extract the Android_StockListDemo.apk file.
  • Locate or install the Android SDK
  • Install the Android_StockListDemo.apk in your emulator:
    • Execute the emulator (Android SDK/SDK Manager->Tools->Manage AVDs...->New then Start)
    • Open the console and move to the platform-tools folder of SDK directory.
    • Then type the following command:
      adb install [.apk path]
  • Look up the demo in your virtual device and launch it.

Note that the demo targets the Lightstreamer server @ because is the special alias to your host loopback interface.


Setup the IDE

Note that you can skip this section and build the application without using any IDE.

Import the provided Gradle project in Android Studio.


You may run the demo against your local server or using our online server at The server to which the demo will connect to is configured in the app/src/main/res/values/strings.xml file.

A full local deploy of this app requires

  • a Lightstreamer Server 7.1 or greater installation with appropriate Mobile Push Notifications (MPN) module configuration (a detailed step by step guide for setting up the server and configuring the client is available in the README of the project Lightstreamer - MPN Stock-List Demo Metadata - Java Adapter)

  • the deployment of the QUOTE_ADAPTER and the LiteralBasedProvider (already provided by Lightstreamer server) in your local Lightstreamer server instance.


To build your own version of the demo you can launch the provided Gradle script from the command line or from the IDE itself. As an example you can build and install a debug version of the application in an emulator (or device) by running

gradlew installDebug

See Also

Lightstreamer Adapters Needed by This Demo Client

Related Projects

Lightstreamer Compatibility Notes

  • Compatible with Lightstreamer Android Client (Unified API Version) v. 4.2.0 or newer.
  • For Lightstreamer Server version 7.1 or greater. Ensure that Android Client API is supported by Lightstreamer Server license configuration.
  • For a version of this example compatible with Lightstreamer Server 7.0, please refer to this branch.
  • For a version of this example compatible with Lightstreamer Android Client API version 1.x, please refer to this branch.


This project contains a full example of an Android application that employs the Lightstreamer Android Client library to subscribe to real-time updates and FCM push notifications.







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