execute method
Implementation
@override
Future<bool?> execute(String caller, String propertyOrFunction, List<dynamic> arguments) async
{
/// setter
if (scope == null) return null;
var function = propertyOrFunction.toLowerCase().trim();
if (camera != null)
switch (function)
{
case "start" : return await camera!.start();
case "stop" : return await camera!.stop();
case "snapshot" : return await camera!.snapshot();
}
return super.execute(caller, propertyOrFunction, arguments);
}