Android App Development

I just spent 1.5 hours getting an Google Maps fragment working in a test app. It seems like a kind of difficult API to get things done with.

I want to make an app where users can plot and upload street routes to a server, and then the app will time how long it takes you to complete the route, basically a street racing leaderboard app.

Does anyone know how difficult it would be to do this?
Keeping the GPS based times accurate to the second might be difficult.

>>8
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