I. INTRODUCTION
obile has become a vital communication tool which
everyone prefers to possess and carry along. This
technology has laid a foundation to overcome the traditional
desktop based approach of obtaining information. Mark Weiser
the father of Pervasive Computing in his paper entitled, ‘The
Computers of 21st Century, ‘envisioned that, “The technology
would weave into the fabric of everyday life until they are
indistinguishable from it, “this is the his vision and has come true
in this current 21stcentury. Following the vision of Mark Weiser,
researchers at Carnegie Mellon University in a project Aura
demonstrated that, human distractions could be minimized by
Ubiquitous systems which will have to be proactive in
anticipating the demands, thus self-tunable so as to give a better
response to the future hassles. The ability to sense and process a
context forms as a fundamental requirement for a system to be
proactive. Hence, designing a context -aware application would
pave way to satisfy the future growing requirements of user.
Most promising type of contextual information is the
proximity selection known as Location Based Service (LBS).
Tracking location of a mobile device accurately has been a
challenging research topic for decades. Global Positioning
Systems (GPS) is a top priority technology used for locating a
device position accurately. Methodology for tracking can be
done using a GPS receiver which is an additional hardware
integrated in most of mobile equipment. We have used GPS as
the approach idea for location tracking. The platform used for
development is Android Operating System, as described [6] is