Using the example made a small application for B4A.
It works well on the emulator, but, unfortunately, on the device, the "+" and "-" buttons are very small. Clicking on them doesn't work. Gestures works.
What can be changed?
Using this very nice OSM map viewer:
I didn't like the blue diagonals that will show for the area outside the map, so added some code that will prevent that
and also avoids trips to the map DB, looking for tiles...
totally new here, so excuse if I am asking something stupid.
After struggling with Android Studio + OSMDroid (with hardly a success and much frustration...), this B4X environment seems refreshingly simple! (You really can build an Android App designing YOUR code and not spending 99% of...
I'm using OSMDroid 4.1 library from @warwound and the Mapsforge vector tilesource
everything works fine until I set a render theme, like so
Dim InputStream1 As InputStream
InputStream1 = File.OpenInput( File.DirAssets , "osmarender.xml")...