public TabsRootViewModel(IChampionDataService championDataService, IMvxNavigationService navigationService)
        {
            this._championDataService = championDataService;
            this._navigationService   = navigationService;

            ShowInitialViewModelsCommand = new MvxAsyncCommand(ShowInitialViewModels);
        }
        public ChampionViewModel(IChampionDataService championDataService, IMvxNavigationService navigationService)
        {
            this._championDataService = championDataService;
            this._navigationService   = navigationService;


            GetChampions();
        }
 public DetailView3Model(IChampionDataService championDataService)
 {
     this._championDataService = championDataService;
 }