private async void MapView_Tapped(object sender, GeoViewInputEventArgs e)
{
// Clear any existing selection.
_damageLayer.ClearSelection();
try
{
// Perform an identify to determine if a user tapped on a feature.
IdentifyLayerResult identifyResult = await _myMapView.IdentifyLayerAsync(_damageLayer, e.Position, 2, false);
// Do nothing if there are no results.
if (!identifyResult.GeoElements.Any())
{
return;
}
// Get the selected feature as an ArcGISFeature. It is assumed that all GeoElements in the result are of type ArcGISFeature.
GeoElement tappedElement = identifyResult.GeoElements.First();
ArcGISFeature tappedFeature = (ArcGISFeature)tappedElement;
// Select the feature.
_damageLayer.SelectFeature(tappedFeature);
// Create the view controller.
AttachmentsTableView attachmentsTableViewController = new AttachmentsTableView(tappedFeature);
// Present the view controller.
NavigationController.PushViewController(attachmentsTableViewController, true);
// Deselect the feature.
_damageLayer.ClearSelection();
}
catch (Exception ex)
{
ShowMessage(ex.ToString(), "Error selecting feature");
}
}
public AttachmentsTableSource(AttachmentsTableView controller, ArcGISFeature selectedFeature, IReadOnlyList <Attachment> attachments)
{
_attachments = attachments.Where(attachment => attachment.ContentType == "image/jpeg").ToList();
_selectedFeature = selectedFeature;
_viewController = controller;
}
