private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.UI.Controls.GeoViewInputEventArgs e)
{
// Hide any existing callout.
MyMapView.DismissCallout();
// Perform the identify operation.
IdentifyLayerResult myIdentifyResult = await MyMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show.
if (!myIdentifyResult.GeoElements.Any())
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers.
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content.
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found.
// This test should work for most arcGIS-based WMS services, but results may vary.
if (!htmlContent.Contains("OBJECTID"))
{
// Return without showing the callout.
return;
}
// Show a callout with the HTML content.
ShowHtmlCallout(htmlContent, e.Location);
}
private async void _myMapView_GeoViewTapped(object sender, GeoViewInputEventArgs e)
{
try
{
// Perform the identify operation.
IdentifyLayerResult myIdentifyResult = await _myMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show.
if (myIdentifyResult.GeoElements.Count < 1)
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers.
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content.
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found.
// This would be a good place to check if the result looks like it includes feature details.
// Show a preview with the HTML content.
_webView.LoadHtmlString(new NSString(htmlContent), new NSUrl(""));
}
catch (Exception ex)
{
new UIAlertView("Error", ex.ToString(), (IUIAlertViewDelegate)null, "OK", null).Show();
}
}
private async void _myMapView_GeoViewTapped(object sender, GeoViewInputEventArgs e)
{
try
{
// Perform the identify operation
IdentifyLayerResult myIdentifyResult = await _myMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show
if (myIdentifyResult.GeoElements.Count < 1)
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found.
// This would be a good place to check if the result looks like it includes feature detail.
// Display the string content as an HTML document.
_htmlView.LoadDataWithBaseURL(string.Empty, htmlContent, "text/html", "UTF-8", null);
}
catch (Exception ex)
{
new AlertDialog.Builder(this).SetMessage(ex.ToString()).SetTitle("Error").Show();
}
}
private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.Xamarin.Forms.GeoViewInputEventArgs e)
{
try
{
// Perform the identify operation
IdentifyLayerResult myIdentifyResult = await MyMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show
if (myIdentifyResult.GeoElements.Count < 1)
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found.
// This test should work for most arcGIS-based WMS services, but results may vary.
if (!htmlContent.Contains("OBJECTID"))
{
// Return without showing the result
return;
}
// Show a page with the HTML content
await Navigation.PushAsync(new WmsIdentifyResultDisplayPage(htmlContent));
}
catch (Exception ex)
{
await((Page)Parent).DisplayAlert("Error", ex.ToString(), "OK");
}
}
private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.UI.Controls.GeoViewInputEventArgs e)
{
// Clear any existing result.
ResultWebView.Visibility = Visibility.Collapsed;
try
{
// Perform the identify operation.
IdentifyLayerResult myIdentifyResult = await MyMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show.
if (!myIdentifyResult.GeoElements.Any())
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers.
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content.
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found.
// This test should work for most arcGIS-based WMS services, but results may vary.
if (!htmlContent.Contains("OBJECTID"))
{
// Return without showing the callout.
return;
}
// Show the result.
ResultWebView.NavigateToString(htmlContent);
ResultWebView.Visibility = Visibility.Visible;
}
catch (Exception ex)
{
await new MessageDialog(ex.ToString(), "Error").ShowAsync();
}
}
private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.Xamarin.Forms.GeoViewInputEventArgs e)
{
// Perform the identify operation
IdentifyLayerResult myIdentifyResult = await MyMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show
if (myIdentifyResult.GeoElements.Count < 1)
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found;
// here might be a good place to check for that and filter out spurious results
// Show a page with the HTML content
await Navigation.PushAsync(new WmsIdentifyResultDisplayPage(htmlContent));
}
private async void _myMapView_GeoViewTapped(object sender, GeoViewInputEventArgs e)
{
// Perform the identify operation
IdentifyLayerResult myIdentifyResult = await _myMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show
if (myIdentifyResult.GeoElements.Count < 1)
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found.
// This would be a good place to check if the result looks like it includes feature detail.
// Display the string content as an HTML document.
ShowResult(htmlContent);
}
private async void _myMapView_GeoViewTapped(object sender, GeoViewInputEventArgs e)
{
// Perform the identify operation
IdentifyLayerResult myIdentifyResult = await _myMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show
if (myIdentifyResult.GeoElements.Count < 1)
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found;
// here might be a good place to check for that and filter out spurious results
// Show a callout with the HTML content
ShowHtmlCallout(htmlContent, e.Location);
}
