Yes you can. I use janus gateway and my code parts is accordingly,
receive firebase message.
if(!remoteMessage.getData().containsKey("hangup")){
print(remoteMessage.getData());
try {
Application.shared.pushMessage = new JSONObject(remoteMessage.getData().toString());
Application.shared.sipClient = new SipPluginHandler(null,true);
Application.shared.action = "incoming";
} catch (JSONException e) {
e.printStackTrace();
}
}else{
Application.shared.action = "hangup";
// Application.shared.voipPlugin.endCall(Application.shared.uuid);
Application.shared.voipPlugin = null;
}
SipPluginHanler is where my app connects websocket then initilizes webrtc and send receive jsep operations performed.
- After initilizing handler and establishing websocket connection process firebase message.
public void claimSuccess() {
JSONObject msg = new JSONObject();
JSONObject result = new JSONObject();
if (fromConnectionService){
if(Application.shared.action == "incoming"){
JSONObject message = Application.shared.pushMessage;
if (message != null){
putData(result,"event","incomingcall");
try {
String caller = message.getString("caller_id");
putData(result,"username", "sip:" + caller + "@" + connectionInfo.ulakCagriIp);
putData(result,"displayname", caller);
putData(msg,"janus","event");
JSONObject dtdt = new JSONObject();
JSONObject dt = new JSONObject();
putData(dtdt,"result",result);
putData(dt,"data",dtdt);
putData(msg,"plugindata",dt);
JSONObject extra = message.getJSONObject("extra");
if (extra != null){
JSONObject jsep = extra.getJSONObject("jsep");
putData(msg,"jsep", jsep);
JanusMessage mesg = JanusMessage.fromJson(msg);
onEvent(mesg);
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}else{
putData(result,"event", "hangup");
putData(msg,"janus", "event");
JSONObject dtdt = new JSONObject();
JSONObject dt = new JSONObject();
putData(dtdt,"result",result);
putData(dt,"data",dtdt);
putData(msg,"plugindata",dt);
JanusMessage mesg = JanusMessage.fromJson(msg);
onEvent(mesg);
}
}
}
in on event there is switch case that checks events comes from janus gateway.
switch (eventType) {
case accepted:
updateUI(eventType);
onAccepted();
break;
case calling:
break;
case declining:
break;
case declined:
onHangup();
onDeclined();
updateUI(eventType);
break;
case hangup:
onHangup();
updateUI(eventType);
if (result.code != 0 && (result.code == 486 || result.code == 503) ){
incallManager.stop("_DTMF_");
} else{ incallManager.stop();
//incallManagerPlugin.stopRingtone();
}
break;
case incall:
break;
case incomingcall:
onIncomingCall(result);
updateUI(eventType);
break;
case proceeding:
updateUI(eventType);
onPorceeding();
break;
case progress:
break;
case registered:
onRegistered(message);
break;
case registering:
break;
case registration_failed:
break;
case ringing:
break;
}
finally onIncoming function I check if handler class fromConnection is true then I call ConnectionService.
private void onIncomingCall(JanusMessage.JanusResult result)
{
Application.shared.text = result.displayname.replace(""","");
if(fromConnectionService){
Application.shared.voipPlugin = new VoipPlugin();
uuid = createTransactionID();
Application.shared.uuid = uuid;
Application.shared.voipPlugin.reportIncomingCall(uuid,Application.shared.text,Application.shared.text);
}
}
for connection service classes I just modified android part of a flutter plugin below.
https://github.com/BradenBagby/flutter_voip_kit/tree/master/android/src/main/kotlin/com/example/flutter_voip_kit
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