public async override Task OnInitializeAsync(IActivatedEventArgs args) { await base.OnInitializeAsync(args); // set theme colors var BLUE_THEME = Color.FromArgb(255, 0, 34, 119); ColorPropertiesDark = new AppColorProperties(BLUE_THEME, Colors.White, Colors.Black, null, null, Colors.White, BLUE_THEME); ColorPropertiesLight = new AppColorProperties(Colors.Red, Colors.Black, Colors.White, null, null, Colors.Black, null); _speechService = Injector.Get <ISpeechService>(); _speechService.InstallCommandSets("/Assets/Speech/AdventureWorksCommands.xml"); }