I have an ionic – angular – capacitor app with a map, drawn by openlayers using vector tiles from different online sources (mapbox, tomtom or openstreetmap). I try to add the possibility to use a set of offline vector openstreetmap tiles (necat.mbtiles) that I copy to the Documents forlder of an android device.
After dealing with permissions, I try to open the mbtiles database, but I don’t manage it:

I have an ionic – angular – capacitor app with a map, drawn by openlayers using vector tiles from different online sources (mapbox, tomtom or openstreetmap). I try to add the possibility to use a set of offline vector openstreetmap tiles (necat.mbtiles) that I copy to the Documents forlder of an android device.
After dealing with permissions, I try to open the mbtiles database, but I don’t manage it: