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Dolby.io Communications Video Call - React Native Mobile App

This project demonstrates what a simple video meeting experience is like when built for a mobile device using React Native and TypeScript.

Use cases	Features	Tech Stack
1:1 calls	Login via QR code	TypeScript
Group calls	Create, join, leave or re-join a conference	React Native
Video Conferencing	Change camera and mic settings	iOS
	Mute and unmute local or remote participants	Android
	Participant Lists
	Detect if a participant is speaking
	Display participants in a grid (<=6 participants)
	Dynamically re-order participants based on who is speaking
	Creating a shareable link

Want to learn more? Check out our React Native Sample App gallery page!

Pre-requisites

This setup guide is validated on both Intel/M1-based MacBook Pro running macOS Monterey 12.6.

iOS

• XCode Version 14.0.1 (14A400)
• iOS Simulator running iOS 15.5
• Ruby Gems version 3.0.3.1

Android

• Android studio chipmunk (2021.2.1)
• JDK version 11
• Android physical device running Android S
• Android emulator running API 29 or greater
• CMake 3.18.1

Other

• Yarn version 1.22.19
• Node version 16.17.1
• Npm version 8.19.2
• A Dolby.io account

How to get a Dolby.io account

To setup your Dolby.io account, go to the Dolby.io dashboard and complete the form. After confirming your email address, you will be logged in.

Cloning the repo and installing the dependencies

The React Native example app is hosted in a yarn-based mono-repo. There are shared components and libraries at the root of the project and then there are React Native-specific ones under the example/mobile/ directory.

Get the code by cloning this repo using git.

git clone [email protected]:dolbyio-samples/comms-app-react-native-videocall.git

Go to the project directory, and install the dependencies with yarn.

cd comms-app-react-native-videocall
yarn install

If you do not have it already, install ios-deploy globally on your machine.

npm install -g ios-deploy

Building the iOS app

To build the iOS app, we install the additional iOS dependencies with Cocoapod. Perform the following steps

cd examples/mobile/ios
pod install
cd ../../../

Note: If you get this error - xcrun: error: SDK "iphoneos" cannot be located, follow the steps in the selected answer here.

Running the app

To build and run the app, you'll need two terminal windows, both open in the same root directory.

The first terminal window is required to run the Metro JS bundler.

In that window, run the following command

yarn workspace comms-app-react-native-videocall start 

In the other window, run this command for the iOS simulator

yarn workspace comms-app-react-native-videocall ios

Or run this command for the iOS device

yarn workspace comms-app-react-native-videocall ios --device

You will see the following screen after the app compiles. This process should take a few minutes. If you see a blank screen, please wait before reloading the app through the metro interface (by pressing r on the first terminal window you opened).

Note: If you encounter the error DolbyIOVideoCall.xcodeproj: error: No profile for team 'XYZ' matching 'Dolby IO Video Call Development', open the workspace examples/mobile/ios/DolbyIOVideoCall.xcworkspace in Xcode. Open the project DolbyIOVideoCall and click on the tab Signing and Capabilities. From there, change the Bundle Identifier as well as the Provisioning Profiles for both Debug and Release modes.

Building the Android app

The path to the Android SDK shall be defined either as an ENV variable or in the local.properties file.

The local.properties file needs to be located at examples/mobile/android/local.properties

The file must contain the following contents

sdk.dir=/path/to/Android/sdk

The android SDK can usually be found in the /users/<USER>/Library/Android/sdk directory.

To build the app, you'll need two terminal windows, both open in the same root directory.

The first terminal window is required to run the Metro JS bundler.

In that window, run the following command - This is optional since it is auto-run on Android.

yarn workspace comms-app-react-native-videocall start

In the other window, run this command - This can automatically trigger the step above if it hasn't run.

yarn workspace comms-app-react-native-videocall android

Known Issues

The known issues of this example app can be found here.

License

The Dolby.io Communications Sample for React Native and its repository are licensed under the MIT License.

Third-party licenses can be found here.

More resources

Looking for more sample apps and projects? Head to the Project Gallery.