For some weeks, there was the Xamarin beta SDK that I used for accessing feature layers on a feature service stored in the ArcGIS online server.
I used the following command in my Xamarin code to get a ArcGISFeatureServiceInfo class from where I could enumerate the available layers, and also get the full extent of the set of layers:
ArcGISFeatureServiceInfo gisInfos = await ArcGISFeatureServiceInfo.CreateAsync(new Uri("http://services7.arcgis.com/...../FeatureServer"));
But with the last release of the SDK.NET, the CreateAsync method has disappeared and I did not found until now a way to retrieve this class (that still exists) from the FeatureService url.
Can someone help me resolving this problem ?