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How could one serve maps (tiles in wherever format possible) within a Android device to be consumed by an offline webmapping app also accessed within the device's browser?

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Isn't the primary factor in this situation cache size, i.e. how much you can store offline? Is it large enough to even be worthwhile? –  blah238 Jan 15 '12 at 0:06
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Have you seen this post? gis.stackexchange.com/questions/18325/… –  MathiasWestin Jan 15 '12 at 14:14
    
@blah238 It is one of the issues, for sure. But I'm thinking to limit the amount of map data available for offline usage by providing some facilities for tile download. –  Pedro Mendes Jan 15 '12 at 23:48
    
@MathiasWestin I did. It's really a very innovative approach, but that 5MB storage limit per origin it's really a deal breaker in a sense of keeping all the tiles needed in the localStorage. The live sample of "Tiles in Local Storage" shows exactly that problem because after ajust a changing in the zoom level the browser starts throwing exception with the message "QUOTA_EXCEEDED_ERR: DOM Exception 22" –  Pedro Mendes Jan 16 '12 at 0:21

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There are a few options using TileMill/Mapbox/MBTiles... Not html5 though. You may want to explore other options for android than html5!!

MBTilesDroidSplitter : https://github.com/djcoin/MBTilesDroidSpitter

Locus : http://www.locusmap.eu/

Nutiteq : http://www.nutiteq.com/android-mapping-api-sdk

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I guess I was hoping that there was some way of setting up a local tile server in way that that HTML5 app could consume geojson tiles, mbtiles, or even other format in some fashionable way. –  Pedro Mendes Jan 15 '12 at 23:55
    
I am about to embark on a dark (first time mobile) path using one of the above 3 packages. Wish me luck! I don't see html5 for mapping applications growing in the android community(yet). –  Michael Markieta Jan 16 '12 at 8:05
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MBTilesDroidSplitter seems like a good catch. I'm hoping we don't have to follow that path (making a native app), though... It will shorten too much our possibilities. –  Pedro Mendes Jan 16 '12 at 11:20

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