@jellyfish-dev/react-native-client-sdk

react-native-client-sdk

Jellyfish client SDK in React Native

Installation

npm install @jellyfish-dev/react-native-client-sdk

Even though this is not a native library, it has a dependency on @jellyfish-dev/react-native-membrane-webrtc which requires native configuration. If you're using development builds with eas build or bare workflow you can try using expo plugin to do the configuration below for you. Simply run:

expo install @jellyfish-dev/react-native-client-sdk

Add plugin to your app.json:

{
  "expo": {
    "name": "example",
    ...
    "plugins": [
      "@jellyfish-dev/react-native-membrane-webrtc"
    ]
  }
}

On bare workflow run expo prebuild to configure the app, then run pod install. On development build eas build should take care of it.

Android

Add camera and microphone permissions to your AndroidManifest.xml.
For android 14+ add following code in your AndroidManifest.xml in application section :

<service
  android:name=".YourServiceName"
  android:foregroundServiceType="mediaProjection"
  android:exported="false">

Rebuild the app. That's it!

iOS

On iOS installation is a bit more complicated, because you need to setup a screen broadcast app extension for screensharing.

Add camera and microphone permissions to your main Info.plist.

<key>NSCameraUsageDescription</key>
<string>Allow $(PRODUCT_NAME) to use the camera</string>
<key>NSMicrophoneUsageDescription</key>
<string>Allow $(PRODUCT_NAME) to use the microphone</string>

We recommend adding audio background mode in Info.plist so that the app doesn't disconnect when it's in background:

    <key>UIBackgroundModes</key>
  <array>
    <string>audio</string>
  </array>

Open your <your-project>.xcworkspace in Xcode
Create new Broadcast Upload Extension. Select File → New → Target... → Broadcast Upload Extension → Next. Choose the name for the new target, select Swift language and deselect "Include UI Extension".

Press Finish. In the next alert xcode will ask you if you want to activate the new scheme - press Cancel.
Configure app group. Go to "Signing & Capabilities" tab, click "+ Capability" button in upper left corner and select "App Groups".

Then in the "App Groups" add a new group or select existing. Usually group name has format group.<your-bundle-identifier>. Verify that both app and extension targets have app group and dev team set correctly.

A new folder with app extension should appear on the left with contents like this:

App extension files

Replace SampleHandler.swift with MembraneBroadcastSampleHandler.swift and this code:

import Foundation
import MembraneRTC
import os.log
import ReplayKit
import WebRTC


/// App Group used by the extension to exchange buffers with the target application
let appGroup = "{{GROUP_IDENTIFIER}}"

let logger = OSLog(subsystem: "{{BUNDLE_IDENTIFIER}}.MembraneBroadcastSampleHandler", category: "Broadcaster")

/// An example `SampleHandler` utilizing `BroadcastSampleSource` from `MembraneRTC` sending broadcast samples and necessary notification enabling device's screencast.
class MembraneBroadcastSampleHandler: RPBroadcastSampleHandler {
    let broadcastSource = BroadcastSampleSource(appGroup: appGroup)
    var started: Bool = false


    override func broadcastStarted(withSetupInfo _: [String: NSObject]?) {
        started = broadcastSource.connect()

        guard started else {
            os_log("failed to connect with ipc server", log: logger, type: .debug)

            super.finishBroadcastWithError(NSError(domain: "", code: 0, userInfo: nil))

            return
        }

        broadcastSource.started()
    }

    override func broadcastPaused() {
        broadcastSource.paused()
    }

    override func broadcastResumed() {
        broadcastSource.resumed()
    }

    override func broadcastFinished() {
        broadcastSource.finished()
    }

    override func processSampleBuffer(_ sampleBuffer: CMSampleBuffer, with sampleBufferType: RPSampleBufferType) {
        guard started else {
            return
        }

        broadcastSource.processFrame(sampleBuffer: sampleBuffer, ofType: sampleBufferType)
    }
}

Replace {{GROUP_IDENTIFIER}} and {{BUNDLE_IDENTIFIER}} with your group identifier and bundle identifier respectively.

In project's Podfile add the following code:

target 'MembraneScreenBroadcastExtension' do
  pod 'MembraneRTC/Broadcast'
end

This new dependency should be added outside of your application target. Example
target 'ReactNativeMembraneExample' do
 ...
end

target 'MembraneScreenBroadcastExtension' do
 pod 'MembraneRTC/Broadcast'
end

Run pod install in your ios/ directory

Add the following constants in your Info.plist:

<key>AppGroupName</key>
<string>{{GROUP_IDENTIFIER}}</string>
<key>ScreencastExtensionBundleId</key>
<string>{{BUNDLE_IDENTIFIER}}.MembraneBroadcastSampleHandler</string>