After upgrading from version 5.0.0 to 6.5.1, it was discovered that when a new SDK participant joins the channel, the onUserJoined callback is not triggered.

[dingjianjaja]

Version of the agora_rtc_engine

After upgrading from version 5.0.0 to 6.5.1, it was discovered that when a new SDK participant joins the channel, the onUserJoined callback is not triggered.

Platforms affected

• Android
• iOS
• macOS
• Windows
• Web

Steps to reproduce

1、version 5.0.0 is ok
2、upgrading from version 5.0.0 to 6.5.1
3、it was discovered that when a new SDK participant joins the channel, the onUserJoined callback is not triggered.

Expected results

the onUserJoined callback can be triggered.

Actual results

it was discovered that when a new SDK participant joins the channel, the onUserJoined callback is not triggered.

Code sample

Code sample

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Screenshots or Video

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[peilinok]

@dingjianjaja Could you please provide a detailed step-by-step guide for SDK integration to address the issue?

[arslan9380]

The same issue is with me, and no audio started because of this.

[arslan9380]

Any update on this issue?

[peilinok]

@arslan9380 Could you please provide a detailed step-by-step guide for SDK integration to address the issue?

[peilinok]

@dingjianjaja @arslan9380 I believe this issue stems from the recent SDK integration changes. Specifically, there have been modifications to several key APIs including joinChannel, setClientRole, changeAudience, and other related methods.

[arslan9380]

`class CallingView extends StatefulWidget {
CallModel callModel;
final bool video;

CallingView(this.callModel, this.video);

@OverRide
_CallPageState createState() => _CallPageState();
}

class _CallPageState extends State {
final GlobalKey _scaffoldKey = GlobalKey();
final _users = [];
int? _remoteUid;
RtcEngine? _engine;
StreamSubscription? stream;
bool muted = false;
bool showUserSheet = false;
bool speaker = false;
AudioPlayer audioPlayer = AudioPlayer();
List callingUsers = [];

@OverRide
void dispose() {
_users.clear();
_engine?.leaveChannel();
_engine?.release(); // Use release() instead of destroy()
stream?.cancel();
audioPlayer.dispose();
WakelockPlus.disable();
super.dispose();
}

@OverRide
void initState() {
_handleCameraAndMic();
initialize();
playDialTone();
WakelockPlus.enable();
callingUsers = widget.callModel.requestedUsers ?? [];
super.initState();
}

Future _handleCameraAndMic() async {
await [Permission.camera, Permission.microphone, Permission.storage]
.request();
}

Future initialize() async {
await _initAgoraRtcEngine();
_addAgoraEventHandlers();
String token = Utils()
.generateAgoraToken(Utils().decryptString(widget.callModel.callingId!));
String channelId = Utils().decryptString(widget.callModel.callingId!);
print("Calling Token: ${token}");
print("Channel Id: ${channelId}");
await _engine?.joinChannel(
token: token,
channelId: channelId,
uid: 0,
options: const ChannelMediaOptions(),
);
}

Future _initAgoraRtcEngine() async {
_engine = createAgoraRtcEngine();
await _engine!.initialize(RtcEngineContext(appId: APP_ID));

await _engine?.enableVideo();
await _engine?.enableAudio();
await _engine?.enableLocalAudio(true);
await _engine?.enableLocalVideo(false);

}

void _addAgoraEventHandlers() {
_engine!.registerEventHandler(RtcEngineEventHandler(
onJoinChannelSuccess: (RtcConnection connection, int elapsed) {
print("channel join success call start");
addCall(connection.localUid ?? 0);
},
onError: (codeType, error) {
print(error.toString());
},
onUserJoined: (RtcConnection connection, int remoteUid, int elapsed) {
print("------calling person joined");
setState(() {
_remoteUid = remoteUid;
stopDialTone();
});
},
onUserOffline: (RtcConnection connection, int remoteUid,
UserOfflineReasonType reason) {
setState(() {
_remoteUid = null;
});
},
));

}

void showInSnackBar(String value) {
CommonUiService().showSnackBar(value);
}

@OverRide
Widget build(BuildContext context) {
return ViewModelBuilder.reactive(
builder: (context, model, child) {
return WillPopScope(
onWillPop: () async {
if (showUserSheet) {
showUserSheet = false;
setState(() {});
return true;
}
model.endCall(widget.callModel);
return true;
},
child: Scaffold(
key: _scaffoldKey,
backgroundColor: Colors.black,
body: SafeArea(
child: Center(
child: Stack(
alignment: Alignment.bottomCenter,
children: [
_renderRemoteVideo(),
Container(
alignment: Alignment.bottomCenter,
padding: const EdgeInsets.symmetric(vertical: 48),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
RawMaterialButton(
onPressed: () {
_onSpeaker();
},
child: Icon(
speaker
? Icons.speaker_phone
: Icons.speaker_outlined,
color: speaker ? Colors.white : Colors.red,
size: 20.0,
),
shape: CircleBorder(),
elevation: 2.0,
fillColor: speaker ? Colors.red : Colors.white,
padding: const EdgeInsets.all(12.0),
),
RawMaterialButton(
onPressed: _onToggleMute,
child: Icon(
muted ? Icons.mic_off : Icons.mic,
color: muted ? Colors.white : Colors.red,
size: 20.0,
),
shape: CircleBorder(),
elevation: 2.0,
fillColor: muted ? Colors.red : Colors.white,
padding: const EdgeInsets.all(12.0),
),
RawMaterialButton(
onPressed: () => model.endCall(widget.callModel),
child: Icon(
Icons.call_end,
color: Colors.white,
size: 35.0,
),
shape: CircleBorder(),
elevation: 2.0,
fillColor: Colors.redAccent,
padding: const EdgeInsets.all(15.0),
),
],
),
),
if (showUserSheet == true)
Container(
alignment: Alignment.bottomCenter,
height: Get.height * 0.6,
child: UsersList(widget.callModel, model))
],
),
),
),
),
);
},
viewModelBuilder: () => CallingViewModel());
}

void _onSpeaker() {
setState(() {
speaker = !speaker;
});
print("speaker $speaker");
showInSnackBar(speaker ? 'On Speaker' : 'On ear-piece');
_engine?.setEnableSpeakerphone(speaker);
}

void _onToggleMute() {
setState(() {
muted = !muted;
});
showInSnackBar(muted ? 'Mic Muted' : 'Mic Un-muted');
_engine?.muteLocalAudioStream(muted);
}

Widget _renderRemoteVideo() {
if (_remoteUid != null) {
return Center(
child: Column(
children: [
Container(
width: Get.width,
alignment: Alignment.centerRight,
child: RawMaterialButton(
onPressed: () {
setState(() {
showUserSheet = !showUserSheet;
});
},
child: Icon(
Icons.person,
color: Colors.white,
size: 35.0,
),
shape: CircleBorder(),
elevation: 2.0,
fillColor: Theme.of(context).primaryColor,
padding: const EdgeInsets.all(15.0),
),
),
SizedBox(
height: Get.height * 0.1,
),
RoundImage(
imageUrl: widget.callModel.callerImage,
radius: Get.height * 0.2,
),
SizedBox(
height: 12,
),
if (widget.callModel.subjectName != "")
Text(
widget.callModel.callType == "group"
? "Group: " + widget.callModel.subjectName!
: "Subject: " + widget.callModel.subjectName!,
style: TextStyle(color: Colors.white),
textAlign: TextAlign.center,
),
SizedBox(
height: 20,
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
'Call Started',
textAlign: TextAlign.center,
style: TextStyle(
color: Colors.green,
fontWeight: FontWeight.bold,
fontSize: 26),
),
],
),
],
));
} else {
return Center(
child: Column(children: [
Container(
width: Get.width,
alignment: Alignment.centerRight,
child: RawMaterialButton(
onPressed: () {
setState(() {
showUserSheet = !showUserSheet;
});
},
child: Icon(
Icons.person,
color: Colors.white,
size: 35.0,
),
shape: CircleBorder(),
elevation: 2.0,
fillColor: Theme.of(context).primaryColor,
padding: const EdgeInsets.all(15.0),
),
),
Spacer(),
RoundImage(
imageUrl: widget.callModel.callerImage,
radius: Get.width * 0.4,
),
SizedBox(
height: 20,
),
if (widget.callModel.subjectName != "")
Text(
"Subject: " + widget.callModel.subjectName!,
style: TextStyle(color: Colors.white),
textAlign: TextAlign.center,
),
SizedBox(
height: 16,
),
Container(
margin: EdgeInsets.only(left: Get.width * 0.4, bottom: 10),
child: ImageStack(
imageList: callingUsers
.map((e) => e.image ?? personPlaceholder)
.toList(),
imageRadius: 35,
imageCount: 3,
imageBorderWidth: 1.5,
totalCount: callingUsers.length,
backgroundColor: Colors.transparent,
imageBorderColor: Colors.white,
extraCountBorderColor: Colors.transparent,
extraCountTextStyle: TextStyle(
color: Colors.white,
fontSize: 18,
height: 1,
fontWeight: FontWeight.w500,
),
),
),
SizedBox(
height: 40,
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
callingUsers.length > 0 ? 'Connecting...' : "Call Started..",
textAlign: TextAlign.center,
style: TextStyle(
color: Colors.green,
fontWeight: FontWeight.bold,
fontSize: 26),
),
],
),
]),
);
}
}

void stopDialTone() {
audioPlayer.dispose();
}

Future addCall(int uid) async {
await locator().makeCall(widget.callModel);
startStream();
}

startStream() {
stream = FirebaseFirestore.instance
.collection("onGoingCalls")
.doc(widget.callModel.id)
.snapshots()
.listen((event) {
widget.callModel = CallModel.fromMap(event.data()!);
print("Requested Users==>${widget.callModel.requestedUsers}");
callingUsers = widget.callModel.requestedUsers ?? [];

  if ((widget.callModel.callType == "personal" ||
          widget.callModel.callType == "group") &&
      widget.callModel.requestedUserIds!.isEmpty &&
      widget.callModel.joinedUserIds!.isEmpty) {
    CallingViewModel().endCall(widget.callModel);
  }

  print(event.data());
  print("Requested Users==>${callingUsers.length}");

  setState(() {});
});

}

playDialTone() async {
try {
audioPlayer.play(AssetSource("dial_tone.mp3"));
// _engine?.setEnableSpeakerphone(false);
} on Exception catch (e) {
print("Error in playing dial tone: $e");
}
}
}`

[peilinok]

@arslan9380 You should set clientRole to broadcaster by 'setClientRole' after initialize and before joinChannel or set 'ChannelMediaOptions.clientRoleType' with 'ClientRoleType.clientRoleBroadcaster' when joinChannel

visit
https://api-ref.agora.io/en/voice-sdk/flutter/6.x/API/class_irtcengine.html#ariaid-title154
or
https://github.com/AgoraIO-Extensions/Agora-Flutter-SDK/blob/main/example/lib/examples/basic/join_channel_video/join_channel_video.dart#L115
to find more details.

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[github-actions]

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