In our previous post we introduced the GraphHopper Navigation SDK. Today we’ll show the detailed steps on how to customize our GraphHopper Navigation demo app that uses the GraphHopper Navigation SDK. Android Studio Installation For Android development you need to install Android studio: Download Android Studio for your operating systen (~1GB) https://developer.android.com/studio/ Install Android Studio […]

After 6 months of hard work we are happy to announce the new release 0.11 of the GraphHopper routing engine. See the discussion about it in our forum. Get it here. Finally, the isochrone module is open source, see issue #1237! The isochrone API calculates the reachable area for a given origin, travel mode, and […]

The latest release of the GraphHopper routing engine is a special one. The routing engine is no longer specific to road routing only and supports public transit routing which makes the routing heavily time dependent and much more complex. The development and integration effort was huge, nearly 9 months ago we started with this, and […]

We are proud to release version 0.8 of our open source GraphHopper routing engine! Here is the polished snap-to-road feature in two screenshots: A big thanks goes to all of our contributors and translators! To become a contributor see our contributing guidelines and e.g. the good first issues. Read here to see how to become […]

Yesterday we got a support request that a certain route request fails and just says ‘route not found’. We wanted to quickly reply that the open source routing engine has an option where you can reduce to a sufficient minimum, but as it turned out he meant the hosted GraphHopper Routing API where we already […]