指導教授 : 劉如生 老師 報告者 : 楊凱翔、張云臙

 Introduction  Related Works  System Architectures  System Implementations  Conclusions

 Android is a mobile system which is developed by Open Handset Alliance.  It uses Linux kernel.

 We can use android to get people locations by a. Server b. SMS

 Positioning techniques 1. Global Positioning System (GPS) 2. Global System for Mobile Communications (GSM) GPS ground control Satellite Longitude: … Latitude: … GPS ground control

 Positioning techniques 1. Global Positioning System (GPS) 2. Global System for Mobile Communications (GSM) Longitude: … Latitude: …

 Get user B’s location from server: Request Update the latest location to server. Coordinate Send a request to server. Coordinate Get B’s location successfully.

 User A uses SMS to find user B’s location. I want to know your location, do you accept? Yes, My location is … User B’s location is … Sorry, I reject. B rejects!

 Open the system

 Menu

 Get location: Access successfully

 Get location : Deny access

 Map location

 Map Mode

Map view Satellite viewTraffic view Street view

 My location  His/her location

 Block

 Use GPS and GSM techniques to position outdoor and indoor users.  Provide two ways to find other’s location.

 For the future research, we will explore how to attract users to use this system since the clients need to install this software in order to make the system operating.

END Thanks for your attention.