protected override void OnAttachedTo(SampleView bindable) { base.OnAttachedTo(bindable); tap = new TapGestureRecognizer(); tap.Tapped += ScrollToBottom; this.sampleView = bindable; this.sfChat = bindable.FindByName <Syncfusion.XForms.Chat.SfChat>("sfChat"); this.viewModel = bindable.FindByName <GettingStartedViewModel>("viewModel"); this.sfBadgeView = bindable.FindByName <Syncfusion.XForms.BadgeView.SfBadgeView>("ScrollDown"); this.sfBadgeView.GestureRecognizers.Add(tap); this.viewModel.Messages.CollectionChanged += MessageCollectionChanged; this.sfChat.Scrolled += ChatScrolled; badgeSetting = new Syncfusion.XForms.BadgeView.BadgeSetting(); badgeSetting.BadgeType = Syncfusion.XForms.BadgeView.BadgeType.Primary; badgeSetting.BadgeAnimation = Syncfusion.XForms.BadgeView.BadgeAnimation.None; badgeSetting.BadgePosition = Syncfusion.XForms.BadgeView.BadgePosition.TopLeft; if (Device.RuntimePlatform == "Android") { badgeSetting.Offset = new Point(-1, 1); } else if (Device.RuntimePlatform == "UWP") { badgeSetting.Offset = new Point(-7, -10); } else { badgeSetting.Offset = new Point(0, -1); } sfBadgeView.WidthRequest = 60; badgeSetting.FontSize = 10; sfBadgeView.BadgeSettings = badgeSetting; }
/// <summary> /// Clears the instances used in this sample. /// </summary> private void Dispose() { this.sfChat.Scrolled -= ChatScrolled; if (this.sfChat != null) { this.sfChat.Dispose(); this.sfChat = null; } if (this.viewModel != null) { this.viewModel = null; } }