Xamarin Droid/iOS with custom tile server

Question

I'm trying to make a Proof of Concept (PoC) regarding Open Street Map (OSM), but my lack of GIS- and Xamarin knowledge (novice) gets me stuck.

What I've done so far is to set up an Azure Virtual Machine (VM) to act as a tile-server by following this guide: https://switch2osm.org/manually-building-a-tile-server-18-04-lts/

I also set up two maps for a web app, connected to my tile server, with OpenLayers.js and Leaflet.js - wich all worked out fine and dandy.

What I'm looking for:
A guide, tutorial or a hint on how to connect a Xamarin Droid and iOS app (not Xamarin Forms) to my tile-server http://*.*.*.*/${z}/${x}/${y} to get this OSM PoC working across different platforms.
Free of charge Xamarin nuget/lib (OsmSharp?) that can connect to my tile-server and render a map.

Answer 1

So I figured out how to do this.

Got a zip with .dll's for OsmSharp 2014 here: https://github.com/OsmSharp/ui/releases/tag/v4.2.0.723
Referenced the .dll's in the Xamarin project (Android catalog)
Added this code

styles.xml



     style name="Theme" parent="AppTheme" />

     style name="Theme.Splash" />

MainActivity.cs

 
    using OsmSharp.Android.UI;
    using OsmSharp.Android.UI.Data.SQLite;
    using OsmSharp.Math.Geo;
    using OsmSharp.UI.Map;
    using OsmSharp.UI.Map.Layers;
    MapView _mapView;
    Layer _mapLayer;

    protected override void OnCreate(Bundle savedInstanceState)
    {
        base.OnCreate(savedInstanceState);

        try
        {
            Native.Initialize();

            _mapView = new MapView(this, new MapViewSurface(this))
            {
                MapTilt = 0,
                MapCenter = new GeoCoordinate(your_lat, your_long),
                MapZoom = 16,
                Map = new Map()
            };

            _mapLayer = _mapView.Map.AddLayerTile("http://*.*.*.*/{0}/{1}/{2}.png");
            SetContentView(_mapView);
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex);
        }
    }
 </pre>

However this is and old library and lots of "standard" functionalities are missing. You can add markers etc, but not draw polygons or lines with it, at least not what I can find.
Might help someone. Cheers!

Xamarin Droid/iOS with custom tile server

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