// A click handler for the search button
private void SearchMapsButtonClick(object sender, EventArgs e)
{
try
{
// Get information for the new portal item
var search = _mapSearchTextbox.Text;
// Create a new OnSaveMapEventArgs object to store the information entered by the user
var mapSearchArgs = new OnSearchMapEventArgs(search);
// Raise the OnSaveClicked event so the main activity can handle the event and save the map
OnSearchClicked(this, mapSearchArgs);
// Close the dialog
this.Dismiss();
}
catch (Exception ex)
{
// Show the exception message (dialog will stay open so user can try again)
var alertBuilder = new AlertDialog.Builder(this.Activity);
alertBuilder.SetTitle("Error");
alertBuilder.SetMessage(ex.Message);
alertBuilder.Show();
}
}
private async void OnSearchMapsClicked(object sender, OnSearchMapEventArgs e)
{
// Get web map portal items from a keyword search
IEnumerable <PortalItem> mapItems = null;
ArcGISPortal portal;
// Connect to the portal (anonymously)
portal = await ArcGISPortal.CreateAsync(new Uri(ServerUrl));
// Create a query expression that will get public items of type 'web map' with the keyword(s) in the items tags
var queryExpression = string.Format("tags:\"{0}\" access:public type: (\"web map\" NOT \"web mapping application\")", e.SearchText);
// Create a query parameters object with the expression and a limit of 10 results
PortalQueryParameters queryParams = new PortalQueryParameters(queryExpression, 10);
// Search the portal using the query parameters and await the results
PortalQueryResultSet <PortalItem> findResult = await portal.FindItemsAsync(queryParams);
// Get the items from the query results
mapItems = findResult.Results;
// Show the map results
ShowMapList(mapItems);
}