How Nutiteq can show/display edited openstreetmap data on Android?

[Aloisius Gonzaga]

Hello.. I am newbie in android dev and need some advice ...

I want to build an android map app with Openstreetmap, and I have edited the openstreetmap with JOSM, but i don't know what should i do next. I learn about nutiteq lib and i still don't understand how to display/show the map that i've edited to my android app using nutiteq lib? may be there is some tutorial that can explain about it. Thanks :D

[aa...@cartodb.com]

Hey!

First off: I suggest you start using Carto Mobile SDK. Nutiteq is an old version that won't be supported for that long.

That being said, here are sample projects:

https://github.com/CartoDB/mobile-android-samples

Official documentation is available at:

https://carto.com/docs/carto-engine/mobile-sdk

Best wishes

Aare

CARTO Mobile

[Aloisius Gonzaga]

Hi.. Thanks for your information. 

I have seen these links, but I have not found how to display .osm / .map into my android app.

Would you show me, which part of the examples that show it?

Thank You :D

[aa...@cartodb.com]

Oh...

Sadly, that's not supported. You need to convert your data to raster or vector tiles first.

Best wishes,

Aare

CARTO Mobile

[Aloisius Gonzaga]

Hmmm... 

Ok.., i"ll try it. But i don't know tools that i can use to convert my map.

Any suggestion?

Thanks :D

[aa...@cartodb.com]

Did you edit the actual OSM Global map? If so, then it'll be visibile in our SDK in a week or so.

Alternatively, you could upload the data to CARTO, then it'll be easily available in our SDK.

However, CARTO accepts Shapefile, GeoJSON etc, not .osm.

.osm -> GeoJSON converter is available here: https://github.com/tyrasd/osmtogeojson (haven't tried it, but looks rather promising)

GeoJSON, in turn, could also be theoretically convered to .mbtiles, a format we support for full offline usage, with tippcanoe, but then you'll also face additional hurdles with designing etc. CARTO would be the easier option

[Aloisius Gonzaga]

I took an osm data that i want from the internet then i edited it with JOSM.

Well.. How to upload the data to CARTO? What's format files that support with CARTO?

Basically, i must convert my data into .mbtiles format?

By the way, thanks for your advice :D
sorry if my english is not good..

[Jaak L]

Mobile SDK supports mbtiles, but you cannot directly convert OSM to mbtiles. You can upload to CARTO server GeoJSON, Shapefiles, or geopackage, and this outputs vector tiles which are usable in SDK using CARTO Maps API (https://carto.com/docs/carto-engine/mobile-sdk/sdk-with-other-carto-tools#maps-api). 

Jaak

[Aloisius Gonzaga]

Hello Jaak...

Thanks for your information and i'll try it.. :D

By the way, i have seen this link : https://carto.com/docs/carto-engine/mobile-sdk/loading-map-data#web-http-tiles-as-vectortilelayer

and there is a line of code that i don't understand :

TileDataSource tileDataSource = new HTTPTileDataSource(0, 14, "http://a.tiles.mapbox.com/v4/mapbox.mapbox-streets-v5/{zoom}/{x}/{y}.vector.pbf?access_token=YOUR-MAPBOX-TOKEN");

If you understand, would u tell me about it?

Thanks :D

[Jaak Laineste]

Hello,

CARTO is providing OSM (or HERE as option) as bundled base map service, but you can technically use other different map providers: your own server, mapzen, mapbox, and there are many others who provide raster or vector tiles, even Google and HERE themselves do this. This code requests vector map as tiles from  mapbox for example

Jaak

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