Object Oriented Analysis(CRC card)

Player

Responsibility	Collaborators
represent a player	Database
keeps its corresponding information	Camera
	Comment
	DisplayPlayerInfoButton

Database

Responsibility	Collaborators
stores the information of players and QR codes	QrCode
	Player
	Geolocation

QRCode

Responsibility	Collaborators
store corresponding QR Code	QrCodeScanner
	Database

QrCodeScanner

Responsibility	Collaborators
Scan photo and process it to return the QrCode	QrCode
	ScanningButton

Geolocation

Responsibility	Collaborators
represent and stores the corresponding information of a location	Database

Comment

Responsibility	Collaborators
represent and store the corresponding information of a comment	Player

Camera

Responsibility	Collaborators
Implement with the functionality of taking pictures	QrCodeScanner

Profile

Responsibility	Collaborators
Displays player's corresponding data	DisplayPlayerInfoButton
provides UI to update Player	Player

Map

Responsibility	Collaborators
Displays nearby QR codes	Database
	Geolocation

Leaderboard

Responsibility	Collaborators
Displays top players as a list	Player
	Database

PlayerSearchPage

Responsibility	Collaborators
Implements interface to search for other players	Player
	Database

WriteComment

Responsibility	Collaborator
retrieve comment	Database
Send comment to DB for storing	player
	Comment
	Profile

SearchPlayerButton

Responsibility	Collaborator
search for user	Database
	player

DisplayNearbyCodeButton

Responsibility	Collaborator
Display nearby QRcode	Database
	QRCode
	Map

ScanningButton

Responsibility	Collaborator
Open camera for scanning	Database
	QRCode

DisplayPlayerInfoButton

Responsibility	Collaborator
represent a Player	Database
	player

PlayerSearchPage

Responsibility	Collaborator
Implements interface to search for other player	Database
	player