This document presents a project on developing an Android application for mobile theft control. It includes an introduction to Android architecture, problem definition of mobile theft and data loss, data flow diagrams, the sequence of application functions, algorithms used, results and analysis of the application, conclusions, and ideas for future enhancements. The application allows users to backup and wipe data, locate the mobile, and play a theft audio remotely through SMS commands if the mobile is lost or stolen.

1. Presented by
Chaitanya Lakshmi V (1GA10EC022)
Divya B N (1GA10EC026)
Geetha P (1GA10EC027)
Geethanjali M N (1GA10EC028)
Under the guidance of
Dr. H.S.Manjunatha reddy

2. INDEX
 INTRODUCTION
 PROBLEM DEFINITION
 DATA FLOW DIAGRAM
 SEQUENCE OF APPLICATION
 ALGORITHM
 RESULT AND ANALYSIS
 CONCLUSION
 FUTURE ENHANCEMENT
 REFERENCES

3. INTRODUCTION
 ANDROID
operating system, middleware, key applications.
 FEATURES
 Application framework
 DVM
 Integrated browser
 Optimized graphics
 Handset layouts

4. ANDROID ARCHITECTURE

5. PROBLEM DEFINITION
 Android mobile
 Mobile lost
 Data lost
 Misuse of data

6. DESCRIPTION OF APPLICATION
 Access phone by SMS
 Backup of data
 Wipe of data
 Sound
 Stop

7. DATA FLOW DIAGRAM
PREFERENCES
AND
SETTINGS
SIM
CHANGE
? SI
TRUE
FALSE
SEND SMS
IDLE
USER
FIG2.1 : Block diagram for the sim check

8. SMS LISTENER
BACKUP
DATA
WIPE DATA
PLAY THEFT
AUDIO
OBTAINS
LOCATION
SEND EMAIL
FORM
CONTACT
FILE
TELEPHONY
MANAGER
BACKUP
WIPE
SOUND
LOCATE
Fig 2.2 : Block diagram for the sms controller

9. SEQUENCE IN WHICH APPLICATION
RUNS
1. Finding IMSI number of the current sim.
2. Matches with the previous IMSI number.
3. Configuring with application.
4. Updating the sms receiver number
5. Updating the email-id.
6. If sim is changed, send message to the receiver’s number.
7. Sms communication/ remote communication.
8. SMS “backup” – data sent to the mail.
9. SMS “sound” – voice alarm starts.
10. SMS “wipe” – data deletes from memory card.
11. SMS “stop”- voice alarm stops.
12. SMS “loc” – connecting with GPS, obtain latitude and longitude
values and plot on the map.

10. ALGORITHM
 Class LBSgeocoding activity
Step 1. Declare phone number variable as static string.
Step 2. Initialize MINIMUM_DISTANCE_CHANGE
&MINIMUM_TIME_BETWEEN_DISTANCE as private under public
class.
Step 3. Declare Location_manager as Protected.
Step 4. Call the function simcheck boolean type
Step 5. Check for the new incoming messages using bundle class.
Step 6. If there is a new message, pdus class contains message details.
Step 7. The length of the obtain message is assigned to msgs variable.
Step 8. Read the message using for loop,
Step 9. The incoming number and messages are stored in the string variable incomingno
Step 10. A recorded voice which is saved as R.raw.voice is assigned to
MediaPlayermp
Step 11. msgs which is in byte datatype is converted to string & saved as string
body variable.

11. Step 12. Condition check
Step 13. If the body contains “sound”, the recorded voice starts ringing for 5 times.
Step 14. If the body contains “stop”, the recorded voice stops ringing.
Step 15. If the body contains “Backup” it jumps to MailsenderActivity class.
Step 16. If the body contains “wipe” it jumps to wipesms class.
Step 17. If the body contains “locate” it jumps to showcurrentlocation class.
Step 18. In wipesms class we have two modules, wipesms( ) & contactwipe( )
 Public class wipesms:
Step 1. Key word uri parse is used, this specifies the path which contains the files
to be deleted.
Step 2. The messages to be deleted is obtained in the contentresolver variable
using function get.contentresolver.
Step 3. Again uri parse is used to specify the conversation path and path of the
each thread to be deleted.
 Public class ContactWipe:
Step 1. Variable cursor is used to move the first contact by using column index
function.
Step 2. Uri.appended specifies the path of the contacts.
Step 3. Using cr.delete the first contact is deleted, and this is repeated till the last
contact is deleted.

12.  Sim change check of Boolean type:
Step 1. The telephony services to be provided are assigned to a variable mtelephonymgr.
Step 2. Using the services, a function get.simserialnumber obtains the IMEI number and
assigns to the current sim.
Step 3. Condition check:
 Message: same sim using
 Else message: sim changed.
 Public class ShowCurrentLocation
Step 1. A predefined class locationmanager.GPS is called, this switches on the
GPS of the mobile.
Step 2. Condition check:
 If location
 Obtain latitude and longitude values in the specified format
 Else nothing
Step 3. Using these values, the Lbsgeocodingactivity traces the location and sends
the message.

13.  Public class MyLocationListener
Step 1. Updates the location for every 3000 milli seconds.
 Public class MailSender Activity
Step 1. Passes parameter to the Gmailsender which is an in built class.
Step 2. Contacts saved in .Vcf extention.
Step 3. Complete .Vcf file is saved in the contactsBU floder.
Step 4. ContactsBU along with .Vcf is again saved in the Vfile variable.
Step 5. Call Vcard string function
Step 6. Shared preferences is a function to obtain the number and mail id which is
saved in the application.
Step 7. Specify the mail id in the variable email.
Step 8. Function sender.sendmail sends the Vfile folder to the mail id
Step 9. Contacts to be moved in the sequence is done by a function getvcardstring.
Step 10. First contacts is moved and cursor increments and this repeats till the last
contacts.

14. Fig: screen shots during execution.
RESULTS AND ANALYSIS

15. Fig : screen shots in the mobile

16. Fig: Screen shots of the messages

17. ADVANTAGES AND DISADVANTAGES
Advantages
•Application is more reliable.
•The system provides a better solution to decrease false detection among people.
•The cost of the application is reduced by the marketers to make it avilable for many users.
•There is no need of training required for the users
•The confidential data can be taken backup.
•Fast and easy development.
Disadvantages
• Android mobiles are costly.
• The application does not work when there is no network.
• The social contact may not respond.
• Application doesn’t support for all mobiles except android.

18. CONCLUSION
 This application is used when the mobile is lost.
 We can avoid misuse of the data in the mobile and can also take backup of the
data that is required to us.
 Tracking is also made easy by getting the latitude and longitude values
indicating the location of the mobile.
 An audio is been set for easy identification of the lost mobile

19. FUTURE ENHANCEMENT
 The application can be enhanced in two different ways
 Without network coverage.
 Should support on other OS.

20. REFERENCES
 [1] Chung. C.-C., Wang. S.-C., Huang. C. Y., and Lin. C.-M, “Mobile theft
control using android”, Computational and Information Sciences
(ICCIS), 2011 International Conference ,Vol.14,issue.4,pp.20-29,2004.
 [2] Piyare. R. and Tazil. M, “Luxus sms controller”, Information Society
(i-Society), 2012 International Conference,Vol.22,isssue.7,PP.73-
88,2001.
 [3] Gao.Yongqing , Zhou.Chunlai , Shang.Dan, “A Smart Phone Anti-
theft Solution Based on Locking Card of Mobile Phone”, Computational
and Information Sciences (ICCIS), 2011 International Conference,
Vol.11,issue.22,pp.111-122,2008.
 [4] Sadagopan. V.K. ; Rajendran U. “Anti theft control system design
using embedded system”,Vehicular Electronics and Safety (ICVES), 2011
IEEE International Conference,Vol.35,issue.14,pp.60-65,june 2011.
 [5] Al-Ali, A.R. and AL-Rousan. M, “Design & Development of a GSM
Based Vehicle Theft Control System”, Advanced Computer Control,
2009. ICACC '09. International Conference, vol. 40, issue 1, pp. 28-34,
1994.

21. THANK YOU