mapsforge and osmdroid

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Ahmed Madhun

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Feb 14, 2018, 4:35:54 AM2/14/18
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Hey,

i am developing an android project that uses openstreetmap offline. I tried to download tails using OSMTilePackeger but it took long time.
I was searching for a better a way to implement it, and some where was suggested mapsforge.

can i just use mapsforge that is included in osmdroid 5.6.5 ? any tutorial to help ?
or just use the normal mapsforge library in github ?

Freudi

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Feb 14, 2018, 5:43:53 AM2/14/18
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There is a MapsForgeTileProvider. I use this code without any mapsforge lib's ... only:

dependencies {
compile 'com.android.support:support-v4:23.1.0'
compile 'org.osmdroid:osmdroid-android:5.6.5'
}

File mapFile = new File(removableStoragePath + "/germany.map");
File[] archives = { mapFile };
XmlRenderTheme theme = null;
try {
theme = new AssetsRenderTheme(getApplicationContext(), "renderthemes/","rendertheme-v4.xml");
}catch (Exception ex){ex.printStackTrace();}

MapTileProviderArray mProvider;
if ( mapFile.exists() )
   if ( mapFile.canRead() )
      mProvider =  new MapsForgeTileProvider(simpleReceiver, MapsForgeTileSource.createFromFiles(archives,theme, "rendertheme-v4"),null);


if ( mProvider != null )
{
mProvider.setUseDataConnection(false);
mapView.setTileProvider(mProvider);
mapView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
}



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Ahmed Madhun

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Feb 14, 2018, 9:52:47 AM2/14/18
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hei, thanks for answering .... quite strange that you didn't use  :

compile 'org.mapsforge:mapsforge-map-android:0.6.1'


but thanks, i will try and tell you how it goes
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Freudi

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Feb 14, 2018, 10:12:27 AM2/14/18
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I guess somebody of osmdroid did it. Sorry I can't remember every single step that I made,  I have a row that is commented out 
//compile 'org.osmdroid:osmdroid-mapsforge:5.6.4'
Maybe that was an older solution, at the moment I only have the both dependencies that I wrote. But when I looked at the "external section" I see that mapsforge is included.
Inline-Bild 1




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Alex O'Ree

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Feb 17, 2018, 4:23:57 PM2/17/18
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hmm osmdroid has a mapsforge adapter that lets you use the mapsforge tile renderer in osmdroid. You can also just use mapsforge by itself.

To be clear, osmdroid-android does not depend on any mapsforge related stuff. Looking at that screen shot, android studio is probably just being strange, try restarting it

Freudi

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Feb 17, 2018, 5:22:09 PM2/17/18
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What is strange with that? Did the osmdroid mapsforge adapter implement all the mapsforge map reading and drawing stuff by itself? I can't believe that. My osmdroid app read and draws mapsforge maps, so it is clear for me that it needs the code from mapsforge.

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Alex O'Ree

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Feb 17, 2018, 5:30:28 PM2/17/18
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The screen shot shows the dependencies for osmdroid-mapsforge is commented out, however the left hand said says otherwise.

Freudi

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Feb 17, 2018, 6:01:26 PM2/17/18
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Yes, I use osmdroid since version 3. More than year ago I started to test mapsforge with it. Since you have the mapsforge provider integrated in mapsforge I don't need the dependency anymore, because your mapsforge provider have it.

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