/// <summary> /// Invoked when the application is launched normally by the end user. /// </summary> protected override void OnLaunched(LaunchActivatedEventArgs e) { // Start app diagnostics. var stopwatch = new Stopwatch(); stopwatch.Start(); Diagnostics = new DiagnosticService(); // Load the database. if (ApplicationData.Current.LocalSettings.Values.TryGetValue( "data_source", out object dataSource)) { switch (dataSource.ToString()) { case "Rest": UseRest(); break; default: UseSqlite(); break; } } else { UseSqlite(); } // Prepare the app shell and window content. AppShell shell = Window.Current.Content as AppShell ?? new AppShell(); shell.Language = ApplicationLanguages.Languages[0]; Window.Current.Content = shell; if (shell.AppFrame.Content == null) { // When the navigation stack isn't restored, navigate to the first page // suppressing the initial entrance animation. shell.AppFrame.Navigate(typeof(CustomerListPage), e.Arguments, new SuppressNavigationTransitionInfo()); } Window.Current.Activate(); Diagnostics.TrackLaunch(stopwatch.Elapsed); }