SMART CLASS

Abstract

Smart Class facilitates a simple and

interactive environment between the

teacher and the student

Consists of:

Attendance System

Smart Notes System

Why Smart Class?

• Mark student attendance easily and flexibly Tap/Tag/Type

• Get Smart Board annotations on user device in just a tap

App Functionality

Attendance

• Get students details from ID No.

• Mark Attendance during lecture

• View Attendance Statistics (Daily and Monthly)

Smart Notes

• Get teacher’s board annotations

• Edit/Add to it

• One click save

• Offline Notes

Other features

List of Enrolled/Teaching Courses

Change Password

Technologies Used

Presentation

Business

Database

Technologies Used

Tools Used

Eclipse IDE

WAMP Bundle

NXP Tag Writer

Resource Requirements

A Smartphone running Android 4.0.3

(API 15) Ice Cream Sandwich or

above

NFC Support

Apache Server

Wireless Connectivity(Wi-Fi)

Functional Modules

Server Side

Authentication and Authorization

Attendance records display for course

instructors

Client Side Functionality

Attendance Module

Android application

Web application

Smart Notes Module

Android Application

Application Architecture

Student

Tag

Student’s

Device

Attendance Module

Teacher’s

Device

NFC

NFC

HTTP Post

JSON

Student’s

Device

Smart Notes Module

Teacher’s

Device

Teacher’s Device

(TCP Server)

Student’s Device

(TCP Client)

Request for data

Data

“On demand” data “Pull” from the Server

How Smart Class is Pervasive?

Pervasive Computing

Context Awareness

Time Awareness

Respective Course home page

displayed if a course is scheduled

during that hour ( -5min and +5min

margin time)

Phone put on silent mode (for both

teacher and student) if lecture

scheduled

Tagging

NFC Based Tags

Data Communication

drawView.getBitmap()

BitMap to byte array

TCP Byte Streams transfer data from server( Teacher’s device)

to the client (Student’s device)

Smart Notes

drawView.setBitmap()

Byte array to BitMap

Sending ID image from Db to Android

Network BLOB Base_64 Encode JSON

Sending ID image from Db to Android

Network JSON Base_64 Decode

Byte

Array Bitmap

Database

Schema

User_Info(sid,sname,degree,pswd,status,ipaddr)

Id_Pics(img_id,img_type,img,img_ht,img_wd,

img_ctgy,img_name)

Course_Info(Course_No,Course_Name,Series,

Time,Instructor,Sharing,Port)

Enrollment_Info(Course_No,sid)

Attendance_Sheet(Course_No,Date,sid)

Password Encryption in Db

MD5 Encryption

One way hash

128-bit hash value

expressed as 32 digit hex number

Default Password “123” (change on first

login)

“202cb962ac59075b964b07152d234b70”

Limitations

Client(student) directly communicates

with the server(teacher) putting the teacher’s device at risk of misuse/attacks

Auto-save option is not included for notes

User Schedule checked only at Log in

Possible Improvements

Notifications for events in student/teacher

schedule

Automatic Upload of lecture notes on

course portal

Functionality for student to write on

Teacher’s screen (Eg: To ask a doubt)

Demonstration