public bool OnLongClick(AView v)
{
if (v.Handle == IntPtr.Zero)
{
return(false);
}
var dragAndDropEffect = (dstemplate.DragAndDropEffect)
_dragAndDropEffect.Element.Effects.FirstOrDefault(e => e is dstemplate.DragAndDropEffect);
var itemContent = (v as Android.Widget.TextView).Text;
//var data = ClipData.NewPlainText(new Java.Lang.String("Note"), new Java.Lang.String(itemContent));
var data = ClipData.NewHtmlText(new Java.Lang.String("Note"), new Java.Lang.String(itemContent), $"<b>{itemContent}</b>");
var dragShadowBuilder = new AView.DragShadowBuilder(v);
v.StartDragAndDrop(data, dragShadowBuilder, v, (int)ADragFlags.Global | (int)ADragFlags.GlobalUriRead | (int)ADragFlags.GlobalUriWrite);
return(true);
}
public void OnLongPress(MotionEvent e)
{
if (!HasAnyDragGestures())
{
return;
}
SendEventArgs <DragGestureRecognizer>(rec =>
{
if (!rec.CanDrag)
{
return;
}
var element = GetView();
var renderer = AppCompat.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 = FastRenderers.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
});
}
