dispose method
Implementation
@override
@mustCallSuper
Future<void> dispose() async {
try {
await WebRTC.invokeMethod('rtpSenderDispose', <String, dynamic>{
'peerConnectionId': _peerConnectionId,
'rtpSenderId': _id,
});
} on PlatformException catch (e) {
throw 'Unable to RTCRtpSender::setTrack: ${e.message}';
}
}