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Editorial Team
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Asked: 2026-06-05T02:43:59+00:00

I’ve build an Android APP with offline map data using Openstreetmaps and OsmDroid. On

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I’ve build an Android APP with offline map data using Openstreetmaps and OsmDroid. On a device with MDPI 320×480 pixels the map looks OK, but on a device with a HDPI screen with 480×800 pixels the street names are small and a little bit harder to read them. My map data till zoom level 18, the maximum I could download and use with Mapnik tile source, is loaded as a zip-file from the SD-Card. My local maps are from a defined region of Brussels (Belgium).

A screenshot of an MDPI device with 320×480 pixels:

enter image description here

A screenshot of an HDPI device with 480×800 pixels:

enter image description here

If you see these views in the app on the device the MDPI map is good readable, in the HDPI map the street names are smaller.

Is there a way to make the street names also more readable on the HDPI device, so the user haves the idea that he zooms one step further on the map? Because it’s not possible to go to zoom-level 19, because there is no openstreetmaps data for it. So a little workaround solution with easy and small implementation time/work my be OK for me. Zooming is now done by swiping on the map. If you also need the code, let me know and I’ll post it.

Thanks in advance.

Kr

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1 Answer

  1. Editorial Team

    Osmdroid works with tiles that are static PNG images. You can not change the tile images. If you want to have a better mapping solution try MapsForge. This app/library works with maps data and renders them dynamically. This way you have more control on rendering maps and you can customize its texts and fonts and colors.

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