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Meet Hour Flutter Plugin - Meet Hour is 100% free video conference solution with End to End Encrypted and many other features such as lobby mode, Donor box & Click&Pledge Connect for fundraising, Vide [...]

Meet Hour Flutter SDK ( #

Meet Hour SDK for Flutter. Supports Web, Android and iOS platforms.

"Meet Hour is HD quality video conference solution with End to End Encrypted and many other features such as lobby mode, Live streaming Connect for fundraising, Video call recording, Youtube Live Stream etc." Please signup for Developer or above plan to use this SDK. Visit for more details.

Supports Web, Android & IOS #

Example Projects

 - Web -
 - Android & iOS -

Pub dev -

  meet_hour: '>=5.0.22'

MeetHour SDK Implementation - Subscribe for Developer or Above Plan. #

  1. SDK Examples Link -
  2. API Documentation Link -

Table of Contents #

API End Points Supported #

  1. To Get Access Token Endpoint : =>

       LoginType LoginObject = LoginType(
         client_id: '',
         client_secret: '',
         grant_type: 'password',
         password: '',
         username: ''
        Map<String, dynamic> response - await ApiServices.login(LoginObject);

    => You have to pass respective values in the argument section. Hence, to get desired response.

  2. To schedule a meeting: =>

     ScheduleMeetingType ScheduleObject = ScheduleMeetingType(
       meetingName : 'Test',
       agenda: '',
       passcode: '',
       meetingDate: '',
       meetingTime: '',
       meetingMeridiem: '',
       durationhr: '',
       durationmin: '',
       timezone: '',
       isrecurring: '',
       recurringtype: '',
       repeat_interval: '',
       endBy: '',
       enddatetime: '',
       instructions: '',
       is_show_portal: '',
       enablepreregistration: '',
       meetingtopic: '',
       meetingagenda: '',
       options: '',
       attend: '',
       groups: '',
       hostusers: ''
     Map<String, dynamic> response = await ApiServices.scheduleMeeting(token, ScheduleObject);
  3. To Generate JWT Token Endpoint =>

       GenerateJwtType JWTObject = GenerateJwtType(
         config: '',
       Map<String, dynamic> response =  await ApiServices.generateJwt(token, JWTObject);
  4. To fetch User Details: =>

        Map<String, dynamic> response =  await ApiServices.userDetails(token);
  5. To fetch access Token using Refresh Token: =>

       RefreshTokenType RefreshTokenObject = RefreshTokenType(
                client_id: '';
                client_secret: '';
                grant_type: '';
                refresh_token: '';
       Map<String, dynamic> response =  await ApiServices.getRefreshToken(token, RefreshTokenObject);
  6. To add a contact in Meet Hour database: =>

        AddContactType AddContactObject = AddContactType(
             countrycode: '',
             email: '',
             firstname: '',
             image: '',
             is_show_portal: '',
             lastname: '',
             phone: ''
       Map<String, dynamic> response =  await ApiServices.addContact(token AddContactObject);
  7. To get Timezones of various countries: =>

        Map<String, dynamic> response =  await ApiServices.timezone(token)
  8. To get list of all the contacts in your Meet Hour account: =>{version}/customer/contacts

       ContactsType AddContactObject = ContactsType(
         exclude_hosts: 1100,
         limit: 10,
         page: 1
       Map<String, dynamic> response =  await ApiServices.contactsList(token, AddContactObject);
  9. To make changes in the existing contact details: =>

     EditContactType EditContactObject =  EditContactType(
       contactid: 1150;
       countrycode: '',
       email: '',
       firstname: '',
       image: '',
       is_show_portal: '',
       lastname: '',
       phone: ''

Map<String, dynamic> response = ApiServices.editContact(token, EditContactObject);

10. To get Upcoming Meetings: =>

UpcomingMeetingType UpcomingMeetingObject =  UpcomingMeetingType(
  page: 10,
  limit: 10,
  show_all: 1

 Map<String, dynamic> response = ApiServices.upcomingMeetings(token, UpcomingMeetingObject

11. To archive a meeting: =>

  ArchiveMeetingType ArchiveMeetingObject =  ArchiveMeetingType(
    id: 10
   Map<String, dynamic> response = ApiServices.archiveMeeting(token, ArchiveMeetingObject);


12. To get the details of a missed meeting: =>

  MissedMeetingType MissedMeetingObject =  MissedMeetingType(
    limit: 10,
    page: number,
    show_all: 1
   Map<String, dynamic> response = ApiServices.missedMeetings(token, MissedMeetingObject);

13. To get completed meetings: =>

  CompletedMeetingType CompletedMeetingObject =  CompletedMeetingType(
    limit: 10,
    page: number,
    show_all: 1
   Map<String, dynamic> response = ApiServices.completedMeetings(token, CompletedMeetingObject);

14. To edit an existing meeting: =>


  EditMeetingType EdiMeetingObject = EditMeetingType(
    meeting_id: ''
    meetingName : 'Test',
    agenda: '',
    passcode: '',
    meetingDate: '',
    meetingTime: '',
    meetingMeridiem: '',
    durationhr: '',
    durationmin: '',
    timezone: '',
    isrecurring: '',
    recurringtype: '',
    repeat_interval: '',
    endBy: '',
    enddatetime: '',
    instructions: '',
    is_show_portal: '',
    enablepreregistration: '',
    meetingtopic: '',
    meetingagenda: '',
    old_attend: []
    options: '',
    attend: '',
    groups: '',
    hostusers: ''
  Map<String, dynamic> response = await ApiServices.editMeeting(token, EdiMeetingObject);


15. To view a meeting: =>


  ViewMeetingType ViewMeetingObject =  ViewMeetingType(
    meeting_id: ''
   Map<String, dynamic> response = ApiServices.viewMeeting(token, ViewMeetingObject);

16. To get all the recordings list: =>

  RecordingsListType RecordingMeetingObject =  RecordingsListType(
    filter_by: '';
    limit: '';
    page: '';
   Map<String, dynamic> response = ApiServices.recordingsList(token, RecordingMeetingObject);

Configuration for Web #

Web #

The plugin allows you to insert Meet Hour meeting in a flutter web project.

  • Set the meeting view as a child for a flutter component allowing sizing the meeting section with onload callback
  • Set listeners to meeting events
  • Send commands to meetting

To implement you need to include Meet Hour External API by passing API Keys available on this link -

<script src="${API_KEY}" type="application/javascript"></script>


    if ('serviceWorker' in navigator) {
      window.addEventListener('load', function () {
  <script src="${API_KEY}" type="application/javascript"></script>
  <script src="main.dart.js" type="application/javascript"></script>

Configuration for Android & iOS #

Configuration #


  • Note: Example compilable with XCode 12.2 & Flutter 1.22.4.


Ensure in your Podfile you have an entry like below declaring platform of 11.0 or above and disable BITCODE.

platform :ios, '12.1'


post_install do |installer|
  installer.pods_project.targets.each do |target|
      target.build_configurations.each do |config|
        config.build_settings['ENABLE_BITCODE'] = 'NO'
        config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64"


Add NSCameraUsageDescription and NSMicrophoneUsageDescription to your Info.plist.

<string>$(PRODUCT_NAME) MyApp needs access to your camera for meetings.</string>
<string>$(PRODUCT_NAME) MyApp needs access to your microphone for meetings.</string>

Android #


Set dependencies of build tools gradle to minimum 3.6.3:

dependencies {
    classpath '' <!-- Upgrade this -->
    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

Set distribution gradle wrapper to minimum 5.6.4.

distributionUrl=https\:// <!-- Upgrade this -->


Meet Hour's SDK AndroidManifest.xml will conflict with your project, namely the application:label field. To counter that, go into android/app/src/main/AndroidManifest.xml and add the tools library and tools:replace="android:label" to the application tag.

<manifest xmlns:android=""
    xmlns:tools=""> <!-- Add this -->
        android:label="My Application"

Minimum SDK Version 23

Update your minimum sdk version to 23 in android/app/build.gradle

defaultConfig {
    applicationId ""
    minSdkVersion 23 //Required for MeetHour
    targetSdkVersion 33
    versionCode flutterVersionCode.toInteger()
    versionName flutterVersionName


MeetHour's SDK enables proguard, but without a file, your release apk build will be missing the Flutter Wrapper as well as react-native code. In your Flutter project's android/app/build.gradle file, add proguard support

buildTypes {
    release {
        // TODO: Add your own signing config for the release build.
        // Signing with the debug keys for now, so `flutter run --release` works.
        signingConfig signingConfigs.debug
        // Add below 3 lines for proguard
        minifyEnabled false
        useProguard true
        proguardFiles getDefaultProguardFile('proguard-android.txt'), ''

Then add a file in the same directory called See the example app's file to know what to paste in.

If you do not create the file, then your app will crash when you try to join a meeting or the meeting screen tries to open but closes immediately. You will see one of the below errors in logcat.

Join A Meeting #

_joinMeeting() async {
    try {
	  FeatureFlag featureFlag = FeatureFlag();
	  featureFlag.welcomePageEnabled = false;
	  featureFlag.resolution = FeatureFlagVideoResolution.MD_RESOLUTION; // Limit video resolution to 360p
      var options = MeetHourMeetingOptions() = "TestRoom" // Required, spaces will be trimmed
        ..serverURL = ""
        ..subject = "Meeting with John"
        ..userDisplayName = "John Delise"
        ..token = "" // JWT Token for User authentication as Moderator.
        ..pcode = "" // To Pass meeting password dynamically.
        ..userEmail = ""
        ..userAvatarURL = "" // or .png
        ..audioOnly = true
        ..audioMuted = true
        ..videoMuted = true
        ..prejoinPageEnabled = true // Make it false to Skip PrejoinPage
        ..disableInviteFunctions = true // To disable invite functions in Mobile SDK.
        ..featureFlag = featureFlag;

      await MeetHour.joinMeeting(options);
    } catch (error) {
      debugPrint("error: $error");

MeetHourMeetingOptions #

Field Required Default Description
room Yes N/A Unique room name that will be appended to serverURL. Valid characters: alphanumeric, dashes, and underscores.
subject No $room Meeting name displayed at the top of the meeting. If null, defaults to room name where dashes and underscores are replaced with spaces and first characters are capitalized.
userDisplayName No "Guest" User's display name.
userEmail No none User's email address.
audioOnly No false Start meeting without video. Can be turned on in meeting.
audioMuted No false Start meeting with audio muted. Can be turned on in meeting.
videoMuted No false Start meeting with video muted. Can be turned on in meeting.
serverURL No Specify your own hosted server. Must be a valid absolute URL of the format <scheme>://<host>[/path], i.e. Defaults to Meet Hour's servers.
userAvatarURL N/A none User's avatar URL.
token N/A none JWT token used for authentication.
pcode N/A none pcode used for passing meeting password dynamically.
prejoinPageEnabled N/A false Make it false to Skip PrejoinPage.
disableInviteFunctions N/A false To disable invite functions in Mobile SDK.
featureFlag No see below Object of FeatureFlag class used to enable/disable features and set video resolution of Meet Hour SDK.

FeatureFlag #

Feature flag allows you to limit video resolution and enable/disable few features of Meet Hour SDK mentioned in the list below.
If you don't provide any flag to MeetHourMeetingOptions, default values will be used.

Flag Default (Android) Default (iOS) Description
addPeopleEnabled true true Enable the blue button "Add people", show up when you are alone in a call. Required for flag inviteEnabled to work.
calendarEnabled true auto Enable calendar integration.
callIntegrationEnabled true true Enable call integration (CallKit on iOS, ConnectionService on Android). SEE REMARK BELOW
closeCaptionsEnabled true true Enable close captions (subtitles) option in menu.
conferenceTimerEnabled true true Enable conference timer.
chatEnabled true true Enable chat (button and feature).
inviteEnabled true true Enable invite option in menu.
iOSRecordingEnabled N/A false Enable recording in iOS.
kickOutEnabled true true Enable kick-out option in video thumb of participants.
liveStreamingEnabled auto auto Enable live-streaming option in menu.
meetingNameEnabled true true Display meeting name.
meetingPasswordEnabled true true Display meeting password option in menu (if a meeting has a password set, the dialog will still show up).
pipEnabled auto auto Enable Picture-in-Picture mode.
raiseHandEnabled true true Enable raise hand option in menu.
recordingEnabled auto N/A Enable recording option in menu.
resoulution N/A N/A Set local and (maximum) remote video resolution. Overrides server configuration. Accepted values are: LD_RESOLUTION for 180p, MD_RESOLUTION for 360p, SD_RESOLUTION for 480p(SD), HD_RESOLUTION for 720p(HD) .
serverURLChangeEnabled true true Enable server URL change.
tileViewEnabled true true Enable tile view option in menu.
toolboxAlwaysVisible true true Toolbox (buttons and menus) always visible during call (if not, a single tap displays it).
videoShareButtonEnabled true true Enable video share button.
welcomePageEnabled false false Enable welcome page. "The welcome page lists recent meetings and calendar appointments and it's meant to be used by standalone applications."

MeetHourMeetingResponse #

Field Type Description
isSuccess bool Success indicator.
message String Success message or error as a String.
error dynamic Optional, only exists if isSuccess is false. The error object.

Listening to Meeting Events #

Events supported

Name Description
onConferenceWillJoin Meeting is loading.
onConferenceJoined User has joined meeting.
onConferenceTerminated User has exited the conference.
onPictureInPictureWillEnter User entered PIP mode.
onPictureInPictureTerminated User exited PIP mode.
onError Error has occurred with listening to meeting events.

Per Meeting Events #

To listen to meeting events per meeting, pass in a MeetHourMeetingListener in joinMeeting. The listener will automatically be removed when an
onConferenceTerminated event is fired.

await MeetHour.joinMeeting(options,
  listener: MeetHourMeetingListener(onConferenceWillJoin: ({message}) {
    debugPrint("${} will join with message: $message");
  }, onConferenceJoined: ({message}) {
    debugPrint("${} joined with message: $message");
  }, onConferenceTerminated: ({message}) {
    debugPrint("${} terminated with message: $message");
  }, onPictureInPictureWillEnter: ({message}) {
	debugPrint("${} entered PIP mode with message: $message");
  }, onPictureInPictureTerminated: ({message}) {
	debugPrint("${} exited PIP mode with message: $message");

Global Meeting Events #

To listen to global meeting events, simply add a MeetHourListener with
MeetHour.addListener(myListener). You can remove listeners using
MeetHour.removeListener(listener) or MeetHour.removeAllListeners().

void initState() {
    onConferenceWillJoin: _onConferenceWillJoin,
    onConferenceJoined: _onConferenceJoined,
    onConferenceTerminated: _onConferenceTerminated,
    onPictureInPictureWillEnter: _onPictureInPictureWillEnter,
    onPictureInPictureTerminated: _onPictureInPictureTerminated,
    onError: _onError));

void dispose() {

_onConferenceWillJoin({message}) {
  debugPrint("_onConferenceWillJoin broadcasted");

_onConferenceJoined({message}) {
  debugPrint("_onConferenceJoined broadcasted");

_onConferenceTerminated({message}) {
  debugPrint("_onConferenceTerminated broadcasted");

_onPictureInPictureWillEnter({message}) {
debugPrint("_onPictureInPictureWillEnter broadcasted with message: $message");

_onPictureInPictureTerminated({message}) {
debugPrint("_onPictureInPictureTerminated broadcasted with message: $message");

_onError(error) {
  debugPrint("_onError broadcasted");

Closing a Meeting Programmatically #

pub points



Meet Hour Flutter Plugin - Meet Hour is 100% free video conference solution with End to End Encrypted and many other features such as lobby mode, Donor box & Click&Pledge Connect for fundraising, Video call recording, Youtube Live Stream etc.

Repository (GitHub)
View/report issues


API reference


unknown (LICENSE)


flutter, flutter_web_plugins, http, js, meta, plugin_platform_interface


Packages that depend on meet_hour