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How can i implement offline map in android. I tried it with mapsforge library.
It does not provides binary map file for Wisconsin state. So How can create my own map binary file ?
Thanks in advance.
You will need two things:
a program that allows you to use the mapsforge library. Concerning this, you can stick with the program called AdvancedMapViewer which comes as an example with the library.
a mapfile. Bascially you have to create your own mapfile from OpenStreetMap data. This is done with a plugin for Osmosis. This plugin is described here:
https://github.com/mapsforge/mapsforge/blob/master/docs/Getting-Started-Map-Writer.md
In short it works like this:
run the osmosis task, thus run this on a shell (with osmosis in your PATH):
osmosis --read-pbf wisconsin-latest.osm.pbf --mapfile-writer file=wisconsin.mapthen put the created file wisconsin.map on your device and load it from AdvancedMapViewer.