A WebRTC module for React Native


A WebRTC module for React Native.

  • Support iOS / Android.
  • Support Video / Audio / Data Channels.

NOTE for Expo users: this plugin doesn’t work unless you eject.


Everyone is welcome to our Discourse community to discuss any React Native and WebRTC related topics.

WebRTC Revision

  • Currently used revision: M84
  • Supported architectures
    • Android: armeabi-v7a, arm64-v8a, x86, x86_64
    • iOS: arm64, x86_64 (for bitcode support, run this script)



Now, you can use WebRTC like in browser. In your index.ios.js/index.android.js, you can require WebRTC to import RTCPeerConnection, RTCSessionDescription, etc.

import {
} from 'react-native-webrtc';

Anything about using RTCPeerConnection, RTCSessionDescription and RTCIceCandidate is like browser. Support most WebRTC APIs, please see the Document.

const configuration = {"iceServers": [{"url": "stun:stun.l.google.com:19302"}]};
const pc = new RTCPeerConnection(configuration);

let isFront = true;
mediaDevices.enumerateDevices().then(sourceInfos => {
  let videoSourceId;
  for (let i = 0; i < sourceInfos.length; i++) {
    const sourceInfo = sourceInfos[i];
    if(sourceInfo.kind == "videoinput" && sourceInfo.facing == (isFront ? "front" : "environment")) {
      videoSourceId = sourceInfo.deviceId;
    audio: true,
    video: {
      mandatory: {
        minWidth: 500, // Provide your own width, height and frame rate here
        minHeight: 300,
        minFrameRate: 30
      facingMode: (isFront ? "user" : "environment"),
      optional: (videoSourceId ? [{sourceId: videoSourceId}] : [])
  .then(stream => {
    // Got stream!
  .catch(error => {
    // Log error

pc.createOffer().then(desc => {
  pc.setLocalDescription(desc).then(() => {
    // Send pc.localDescription to peer

pc.onicecandidate = function (event) {
  // send event.candidate to peer

// also support setRemoteDescription, createAnswer, addIceCandidate, onnegotiationneeded, oniceconnectionstatechange, onsignalingstatechange, onaddstream


However, render video stream should be used by React way.

Rendering RTCView.

<RTCView streamURL={this.state.stream.toURL()}/>
Name Type Default Description
mirror boolean false Indicates whether the video specified by “streamURL” should be mirrored during rendering. Commonly, applications choose to mirror theuser-facing camera.
objectFit string ‘contain’ Can be contain or cover
streamURL string ‘’ This is mandatory
zOrder number 0 Similarly to zIndex

Custom APIs


By calling this method the JavaScript global namespace gets “polluted” with the following additions:

  • navigator.mediaDevices.getUserMedia()
  • navigator.mediaDevices.enumerateDevices()
  • window.RTCPeerConnection
  • window.RTCIceCandidate
  • window.RTCSessionDescription
  • window.MediaStream
  • window.MediaStreamTrack

This is useful to make existing WebRTC JavaScript libraries (that expect those globals to exist) work with react-native-webrtc.


This function allows to switch the front / back cameras in a video track on the fly, without the need for adding / removing tracks or renegotiating.


Starting with version 1.67, when setting a local video track’s enabled state to false, the camera will be closed, but the track will remain alive. Setting it back to true will re-enable the camera.

Related projects

The react-native-webrtc organization provides a number of packages which are useful when developing Real Time Communications applications.


Thanks to all contributors for helping with the project!

Special thanks to Wan Huang Yang for creating the first version of this package.

Download Details:

Author: 555platform

Source Code: https://github.com/555platform/react-native-webrtc

#react #react-native #mobile-apps

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A WebRTC module for React Native
Autumn  Blick

Autumn Blick


How native is React Native? | React Native vs Native App Development

If you are undertaking a mobile app development for your start-up or enterprise, you are likely wondering whether to use React Native. As a popular development framework, React Native helps you to develop near-native mobile apps. However, you are probably also wondering how close you can get to a native app by using React Native. How native is React Native?

In the article, we discuss the similarities between native mobile development and development using React Native. We also touch upon where they differ and how to bridge the gaps. Read on.

A brief introduction to React Native

Let’s briefly set the context first. We will briefly touch upon what React Native is and how it differs from earlier hybrid frameworks.

React Native is a popular JavaScript framework that Facebook has created. You can use this open-source framework to code natively rendering Android and iOS mobile apps. You can use it to develop web apps too.

Facebook has developed React Native based on React, its JavaScript library. The first release of React Native came in March 2015. At the time of writing this article, the latest stable release of React Native is 0.62.0, and it was released in March 2020.

Although relatively new, React Native has acquired a high degree of popularity. The “Stack Overflow Developer Survey 2019” report identifies it as the 8th most loved framework. Facebook, Walmart, and Bloomberg are some of the top companies that use React Native.

The popularity of React Native comes from its advantages. Some of its advantages are as follows:

  • Performance: It delivers optimal performance.
  • Cross-platform development: You can develop both Android and iOS apps with it. The reuse of code expedites development and reduces costs.
  • UI design: React Native enables you to design simple and responsive UI for your mobile app.
  • 3rd party plugins: This framework supports 3rd party plugins.
  • Developer community: A vibrant community of developers support React Native.

Why React Native is fundamentally different from earlier hybrid frameworks

Are you wondering whether React Native is just another of those hybrid frameworks like Ionic or Cordova? It’s not! React Native is fundamentally different from these earlier hybrid frameworks.

React Native is very close to native. Consider the following aspects as described on the React Native website:

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  • The ease of accessing native APIs: React Native uses a declarative UI paradigm. This enables React Native to interact easily with native platform APIs since React Native wraps existing native code.

Due to these factors, React Native offers many more advantages compared to those earlier hybrid frameworks. We now review them.

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How much does it cost to develop a React Native mobile app?

React Native allows developers to develop mobile apps that have compatibility with Android, iOS & other operating systems. Due to the features like Native-like functionality and single code reusability and the access of various frameworks in the market, React Native has excelled as the most suitable framework for cross-platform mobile app development.

Why Do Businesses Prefer React Native App Development?

React Native is integrated with JS library that works as the fundamental for developing the app UI. Most businesses choose for developing React Native apps just due to their cross-platform & open-source features. A few further reasons why entrepreneurs & developers choose React Native app development include:

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If you are an entrepreneur or start-up and looking for cost-effective app development, React Native is one of the ideal options available out there.

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Is React Native a good choice for mobile apps development?

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