/// <summary> /// Login in Twitter (LoginViaTwitterCommand handler) /// </summary> private async void LoginViaTwitter() { Analytics.TrackEvent("Twitter login button clicked", new Dictionary <string, string> { { "Page", "Login" }, { "Category", "Clicks" } }); ITwitter twitterService = DependencyService.Get <ITwitter>(DependencyFetchTarget.GlobalInstance); twitterService.OnError += error => AuthError("Twitter", error); SocialAccount account = await twitterService.Login(); await Login(account, "Twitter"); }