We are currently integrating the ArcGIS runtime SDK to our Android application and would like our users to take maps offline (on demand).
We have our own raster data that we host on a geoserver instance. The "Map" section in ArcGIS Online allows to "Add Layer From Web" and which to choose from the "WMTS OGC Web Service".
There is also an option to decide whether or not to "Use as Basemap". Since our data is more often that not raster, I feel that this option should be checked (at least for raster data types).
After following the steps above, the My Content / Item / Settings page does not show any offline options.
When running tests in the Android application for taking the map offline, examining the OfflineCapability of each Layer and FeatureTable, the OfflineCapability.Error.message says "Unsupported layer type".
Is this approach to taking WTMS layers offline simply wrong or does the ArcGIS not allow this type of process ?
Thanks in advance for your reply