// this method is an instance method of TiModule subclass
-(void)openPlayer {
    ENSURE_UI_THREAD_0_ARGS

   // layarController is a subclass of UIViewController
   [[TiApp app] showModalController:layarController animated:YES];

    // layar controller cfg
    [layarController
     loadLayerWithName:layerName
     oauthParameters:oauthParameters
     layerFilters:layerFilters
     options:LPMapViewDisabled|LPListViewDisabled];

    NSLog(@"[INFO] %@ player opened",self);
}