addUploadMethodCallListener method
Implementation
@override
String addUploadMethodCallListener(UploadMethodCallListener listener) {
String uuid = Uuid().v4();
_uploadMethodCallListeners[uuid] = listener;
return uuid;
}
@override
String addUploadMethodCallListener(UploadMethodCallListener listener) {
String uuid = Uuid().v4();
_uploadMethodCallListeners[uuid] = listener;
return uuid;
}