Live Share SDK

The Live Share SDK builds on the Fluid Framework to enable the creation of collaborative experiences for Microsoft Teams and Microsoft 365. This package focuses on building collaborative meeting applications for Microsoft Teams using Fluid. The SDK provides a LiveShareClient class for connecting to a special Fluid Container associated with each meeting. A collection of Live Share specific Distributed Data Structure (DDS) classes are also provided to simplify building applications for common meeting scenarios like shared media playback.

To get started, we recommend first familiarizing yourself with the Fluid Framework and Live Share overview. You can then follow our Quick Start Guide to build your first Teams Meeting App that uses Live Share.

You can find our detailed API reference documentation at Live Share reference docs and Live Share Media reference docs.

Collaborative features

Live Share has several features that make building collaborative apps easier than ever, including:

• LiveShareClient: Connect to a Fluid container associated with a Microsoft Teams meeting.
• LivePresence: Track who is using your app during a meeting and associate custom metadata for each user (e.g., camera position).
• LiveState: Synchronize a JSON-serializable value for maintaining consistent application state across clients.
• LiveTimer: Build a collaborative countdown timer.
• LiveEvent: Send one-time, stateless JSON-serializable values to each user in the session.
• LiveFollowMode (beta): Easily integrate features to present to all, follow specific users, and suspend/resume following.

Live Share Canvas is an optional extension that allows any app to add a collaborative whiteboard as an app overlay. Key classes include:

• InkingManager: Utilizes the HTML <canvas> element for turn-key pen, highlighter, laser pointer, and eraser tools.
• LiveCanvas: Synchronizes the InkingManager strokes and adds remote cursors for users in the session.

Live Share Media is an optional extension that makes it easy to add co-watch support to any video or audio player. Key classes include:

• LiveMediaSession: Synchronizes player state for everyone in the session.
• MediaPlayerSynchronizer: Delegate interface used with LiveMediaSession to execute playback commands against a media player; matches the HTML5 IMediaPlayer interface for <video> or <audio> elements.

Live Share React (beta) is an optional integration for React, providing a <LiveShareProvider> context provider component and a series of custom React hooks that correspond with each Live Share and Fluid DDS.

Fluid Framework also offers some useful collaborative features, each of which is compatible with Live Share, including:

• SharedMap: The DDS equivalent to a JavaScript Map, which is useful for synchronizing a collection of objects.
• SharedString: Synchronize a string text value, useful for building real-time text editors.
• SharedTree (alpha): Synchronize a complex tree of intersecting nodes.

Package Compatibility

The Live Share SDK contains dependencies for @microsoft/teams-js and fluid-framework packages among others. Both of these packages are sensitive to the package version your app any libraries use. You will likely run into issues if the package version your app uses doesn't match the version other libraries you depend on use.

It is critical that your app use the package dependencies listed in the table below. Lookup the version of the @microsoft/live-share you're using and set any other dependencies in your package.json file to match:

@microsoft/live-share	@microsoft/teams-js	fluid-framework	@microsoft/live-share-*	@fluidframework/azure-client	@microsoft/TeamsFx	@microsoft/TeamsFx-react
^1.0.0	^2.11.0	^1.2.3	^1.0.0	^1.0.0	^2.5.0	^2.5.0

Installing

Live Share

To add the latest version of the SDK to your application using NPM:

npm install fluid-framework @fluidframework/azure-client @microsoft/live-share --save

or using Yarn:

yarn add fluid-framework @fluidframework/azure-client @microsoft/live-share

Live Share Media

Optionally, to add the latest version of the media package to your application using NPM:

npm install @microsoft/live-share-media --save

or using Yarn:

yarn add @microsoft/live-share-media

Live Share Canvas

Optionally, to add the latest version of the canvas package (inking & cursors) to your application using NPM:

npm install @microsoft/live-share-canvas --save

or using Yarn:

yarn add @microsoft/live-share-canvas

Live Share integration with React

Optionally, to add the latest version of the React integration to your application using NPM:

npm install @microsoft/live-share-react --save

or using Yarn:

yarn add @microsoft/live-share-react

Contributing

There are several ways you can contribute to this project:

• Submit bugs and help us verify fixes as they are checked in.
  • (Please review FAQ and Known issues before filing a new item!)
• Review the source code changes.
• Engage with other Live Share developers on StackOverflow.
• Contribute bug fixes.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

Preparing the Repository

To clone the repository to test samples and/or build the packages, ensure that you have the latest versions of Git and Node.js installed.

Clone a copy of the repo:

git clone https://github.com/microsoft/live-share-sdk.git

Change to the live-share-sdk directory:

cd live-share-sdk

Building Packages & Samples

To build the projects packages (with symlinks to the locally built packages), we use npm workspaces to prevent dependency errors.

Install all developer dependencies:

npm install

Build packages and samples:

npm run build

Run the sample of of your choice:

cd samples/javascript/01.dice-roller
npm start

Unit tests for all of the packages can be run using npm run test or npm run test:debug. Any previously built files can be deleted prior to building by first running npm run clean.

Code samples

There are several code samples available to use:

Sample name	Description	Javascript	TypeScript
Dice Roller	Enable all connected clients to roll a dice and view the result.	View	View
React Video	Basic example showing how the LiveMediaSession class works with HTML5 video.	View
Live Canvas demo	Synchronized pens, laser pointers, cursors, and more via Live Share Canvas.	View	View
Live Share React demo	Example of using the Live Share React package.	View	View
React Media Template	Enable all connected clients to watch videos together, build a shared playlist, transfer whom is in control, and annotate over the video.	View	View
Agile Poker	Enable all connected clients to play an Agile Poker planning activity.	View

Reporting Security Issues

Security issues and bugs should be reported privately, via email, to the Microsoft Security Response Center (MSRC) at secure@microsoft.com. You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Further information, including the MSRC PGP key, can be found in the Security TechCenter.

Licensing & Copyright

Copyright (c) Microsoft Corporation. All rights reserved.

Live Share, Live Share media, and Live Share canvas are licensed under a special Microsoft Live Share SDK license.

Live Share Turbo and Live Share React are licensed under a special Microsoft Live Share SDK - Pre-Release Version license.

Code samples are licensed separately under MIT license.