public override void OnInitializeAccessibilityNodeInfo(global::Android.Views.View host, AccessibilityNodeInfo info) { base.OnInitializeAccessibilityNodeInfo(host, info); info.ClassName = ClassName; if (_element != null) { var value = string.IsNullOrWhiteSpace(ValueText) ? string.Empty : $"{ValueText}. "; host.ContentDescription = $"{value}{AutomationPropertiesProvider.ConcatenateNameAndHelpText(_element)}"; } }
public void OnLongPress(MotionEvent e) { if (!HasAnyDragGestures()) { return; } SendEventArgs <DragGestureRecognizer>(rec => { if (!rec.CanDrag) { return; } var element = GetView(); var renderer = Platform.GetRenderer(element); var v = renderer.View; if (v.Handle == IntPtr.Zero) { return; } var args = rec.SendDragStarting(element); if (args.Cancel) { return; } CustomLocalStateData customLocalStateData = new CustomLocalStateData(); customLocalStateData.DataPackage = args.Data; //_dragSource[element] = args.Data; string clipDescription = AutomationPropertiesProvider.ConcatenateNameAndHelpText(element) ?? String.Empty; ClipData.Item item = null; List <string> mimeTypes = new List <string>(); if (!args.Handled) { if (args.Data.Image != null) { mimeTypes.Add("image/jpeg"); item = ConvertToClipDataItem(args.Data.Image, mimeTypes); } else { string text = clipDescription ?? args.Data.Text; if (Uri.TryCreate(text, UriKind.Absolute, out _)) { item = new ClipData.Item(AUri.Parse(text)); mimeTypes.Add(ClipDescription.MimetypeTextUrilist); } else { item = new ClipData.Item(text); mimeTypes.Add(ClipDescription.MimetypeTextPlain); } } } var dataPackage = args.Data; ClipData.Item userItem = null; if (dataPackage.Image != null) { userItem = ConvertToClipDataItem(dataPackage.Image, mimeTypes); } if (dataPackage.Text != null) { userItem = new ClipData.Item(dataPackage.Text); } if (item == null) { item = userItem; userItem = null; } ClipData data = new ClipData(clipDescription, mimeTypes.ToArray(), item); if (userItem != null) { data.AddItem(userItem); } var dragShadowBuilder = new AView.DragShadowBuilder(v); customLocalStateData.SourceNativeView = v; customLocalStateData.SourceElement = renderer?.Element; if (Forms.IsNougatOrNewer) { v.StartDragAndDrop(data, dragShadowBuilder, customLocalStateData, (int)ADragFlags.Global | (int)ADragFlags.GlobalUriRead); } else #pragma warning disable CS0618 // Type or member is obsolete { v.StartDrag(data, dragShadowBuilder, customLocalStateData, (int)ADragFlags.Global | (int)ADragFlags.GlobalUriRead); } #pragma warning restore CS0618 // Type or member is obsolete }); }