friend finder apps in android

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Mobile

Android

application

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HI

I am trying to develop an application in android using eclipse .
This application is like finding the friend location and directions using android mobile .

Now my idea to do this is in three steps :
1. tracing the location of your friend if he is having the GPS connectivity .
2. then putting that location in Google maps with your location .
3. Google maps gives us the directions and this way we get it .

But now I want to know if thats possible . if yes ,l any tutorials for these work or something which might help me.

Sudhanshu