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<div class="moz-cite-prefix">Are you trying to use a map file and a
graph with the GraphHopper Android Sample app ?<br>
(following the instructions <a
href="https://github.com/graphhopper/graphhopper/blob/master/docs/android/index.md#maps">here</a>)<br>
<br>
As Peter mentioned, more info and a stack trace would be valuable
for us to understand the error.<br>
<br>
BTW your path is not correct, you need the folder:<br>
/mnt/sdcard/download/graphhopper/maps/gcc_states/<br>
and inside to put the map + graph files.<br>
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<div class="moz-signature">-- <br>
<font color="#000000">Emux</font><br>
<a href="http://wiki.openstreetmap.org/wiki/Cruiser">Cruiser</a> -
<a
href="http://wiki.openstreetmap.org/wiki/Atlas_%28navigation_application%29">Atlas</a></div>
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