isTalking method
Determine whether the user is talking.
Return true if the user is talking, otherwise false.
Implementation
@override
Future<bool> isTalking() async {
var params = <String, dynamic>{};
params.putIfAbsent("userId", () => userId);
return await methodChannel
.invokeMethod<bool>('isTalking', params)
.then<bool>((bool? value) => value ?? false);
}