Participant Events - Flutter

VideoSDK provides multiple types of events which can be listened to know the about the participants in the room.

Here are the events which specifically relate to the participants.

Events.participantJoined

• This event is triggered when someone joins the meeting and return the Participant object as parameter.
• This event can be subscribed from the Room object.

Events.participantLeft

• This event is triggered when the someone leaves the meeting.
• This event can be subscribed from the Room object.

Events.cameraRequested

• This event will be triggered to the participant B when any other participant A requests to enable webcam of participant B.
• On accepting the request, webcam of participant B will be enabled.
• This event can be subscribed from the Room object.

Events.micRequested

• This event will be triggered to the participant B when any other participant A requests to enable mic of participant B.
• On accepting the request, mic of participant B will be enabled.
• This event can be subscribed from the Room object.

Example

Here is the usage of all the events mentioned in this page.

import 'package:flutter/material.dart';
import 'package:videosdk/videosdk.dart';

class MeetingScreen extends StatefulWidget {
  ...
}

class _MeetingScreenState extends State<MeetingScreen> {
  late Room _room;

  @override
  void initState() {
    ...

    setupRoomEventListener();
  }

  @override
  Widget build(BuildContext context) {
    return YourMeetingWidget();
  }

  void setupRoomEventListener() {
    room.on(Events.participantJoined, (Participant participant) {
      // New Participant joined the room
    });

    room.on(Events.participantLeft, (String participantId) {
      // Participant left the room
    });

    room.on(Events.cameraRequested, (data) {
      String? participantId = data["participantId"];

      Function accept = data["accept"];
      Function reject = data["deny"];

      // participantId, will be the id of participant who requested to enable camera

      // if accept request
      accept();

      // if reject request
      reject();
    });

    room.on(Events.micRequested, (data) {
      String participantId = data["participantId"];

      Function accept = data["accept"];
      Function reject = data["reject"];

      // participantId, will be the id of participant who requested to enable camera

      // if accept request
      accept();

      // if reject request
      reject();
    });
  }
}

API Reference

The API references for all the methods and events utilized in this guide are provided below.

• Events.participantJoined
• Events.participantLeft
• Events.cameraRequested
• Events.micRequested