Developer Problem
Coding and Algorithms
User Interface
Data/Information
Data types
Strings
Float
Integers
Code
Iteration
Sequence
Selection
Constructs
use of modularity - functions
validation of user input
User Details
Name
Address
Email Address
Card details
Choice of card (Visa, Pay Pal etc.)
Card Number
CVV number
Expiry Date
State
Post code
First and Last
The entry of album details when selling albums
Album name
Album ID
Selling price
Appropriate messages provided to the user
Use of windows
Home window
Entry WIndow
Browse Albums WIndow
View Catalogue Window
Browse by Album ID window
More Details Window
More details window
Sell Albums Window
Purchase Albums Window
Payment Details Window
Congratulations Window
Widgets
Entry boxes for user to input their payment and shipping details. as well as details about albums they want to sell etc.
Buttons to Clear
Buttons to got to next page
Buttons to go to home page
Usability Principles
Learnability
Consistency and simplicity of design and layout of windows
Consistency of widgets
Accessibility
Window titles --> must appear at the top of each window --> must be appropriate for the window --> must be different for each window
Window Headings --> Are on each window --> Must be different for each window
Functionality
Use appropriate font type, size and colours
Be an appropriate size and not be re-sizable
Have a heading and sub-heading (where appropriate)
Have and appropriate logo and window title
Include images (where appropriate)
Include buttons to initiate events
Include the use of a wide variety of widgets as discusses and as appropriate for the application