// Handle the OnMapInfoEntered event from the item input UI
// MapSavedEventArgs contains the title, description, and tags that were entered
private async void MapItemInfoEntered(object sender, MapSavedEventArgs e)
{
// Get the current map
var myMap = _myMapView.Map;
try
{
// Show the activity indicator so the user knows work is happening
_activityIndicator.StartAnimating();
// Get information entered by the user for the new portal item properties
var title = e.Title;
var description = e.Description;
var tags = e.Tags;
// Apply the current extent as the map's initial extent
myMap.InitialViewpoint = _myMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
// See if the map has already been saved (has an associated portal item)
if (myMap.Item == null)
{
// Call a function to save the map as a new portal item
await SaveNewMapAsync(myMap, title, description, tags);
// Report a successful save
UIAlertController alert = UIAlertController.Create("Saved map", "Saved " + title + " to ArcGIS Online", UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
PresentViewController(alert, true, null);
}
else
{
// This is not the initial save, call SaveAsync to save changes to the existing portal item
await myMap.SaveAsync();
// Report update was successful
UIAlertController alert = UIAlertController.Create("Updated map", "Saved changes to " + title, UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
PresentViewController(alert, true, null);
}
}
catch (Exception ex)
{
// Report save error
UIAlertController alert = UIAlertController.Create("Error", "Unable to save " + e.Title, UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
PresentViewController(alert, true, null);
}
finally
{
// Get rid of the item input controls
_mapInfoUI.Hide();
_mapInfoUI = null;
// Hide the progress bar
_activityIndicator.StopAnimating();
}
}
private void ShowSaveMapUI()
{
if (_mapInfoUI != null)
{
return;
}
// Create a view to show map item info entry controls over the map view
var ovBounds = new CoreGraphics.CGRect(0, 60, View.Bounds.Width, View.Bounds.Height - 60);
_mapInfoUI = new SaveMapDialogOverlay(ovBounds, 0.75f, UIColor.White, (PortalItem)_myMapView.Map.Item);
// Handle the OnMapInfoEntered event to get the info entered by the user
_mapInfoUI.OnMapInfoEntered += MapItemInfoEntered;
// Handle the cancel event when the user closes the dialog without choosing to save
_mapInfoUI.OnCanceled += SaveCanceled;
// Add the map item info UI view (will display semi-transparent over the map view)
View.Add(_mapInfoUI);
}
private void SaveCanceled(object sender, EventArgs e)
{
// Remove the item input UI
_mapInfoUI.Hide();
_mapInfoUI = null;
}