as a rule of thumb: if you have to ask if it's legal, it probably isn't.
I'd recommend you look into OSM. Here is a link to get you started:
http://wiki.openstreetmap.org/wiki/Tile_usage_policy
On Monday, July 23, 2012 7:58:12 AM UTC-4, Capitan wrote:
>
> Developing Android application with GoogleMaps API, I found that sometimes
> MapView caches some tiles in app's data
> folder('/data/data/<package_name>/files'). These files are 'DATA_Tiles',
> 'DATA_Tiles_1', 'DATA_Tiles_2', ... Each file 'DATA_Tiles_%n' contains some
> JPEGs or PNGs and their coords. File 'DATA_Tiles' contains common
> information about files 'DATA_Tiles_%n'. I am very interested in the
> possibility of using my app offline. My app needs only small area of map,
> so I can include this cached area in 'assets', thereby providing offline
> work of MapView in my app.
>
> I want to know, is it legal? Is it violation of Terms?
>
> https://developers.google.com/maps/terms
> 10.1.3(b) No Pre-Fetching, Caching, or Storage of Content. You must not
> pre-fetch, cache, or store any Content, except that you may store: (i)
> limited amounts of Content for the purpose of improving the performance of
> your Maps API Implementation if you do so temporarily, securely, and in a
> manner that does not permit use of the Content outside of the Service; and
> (ii) any content identifier or key that the Maps APIs Documentation
> specifically permits you to store. For example, you must not use the
> Content to create an independent database of "places" or other local
> listings information.
>
> I have read this, but I don't understand can I legally use cache in
> Android app.
> May be do you know, where can I contact with developers of android.map
> library?
>
> Thank you for answers.
>
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