This document received DISTINCTION covering all aims in unit 7: Mobile Application Development in Pearson's BTEC level 3 course in Information Technology.
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Link mobile application
https://studio.code.org/projects/applab/cBO3eaSr6fG_O3ZlXoOfAoaHLF-
HTDRjVG76TTetz3M
,Contents
Link mobile application ............................................................................................................ 1
Client brief............................................................................................................................. 3
Requirements for the application ........................................................................................... 4
Device capabilities ............................................................................................................. 4
Inputs ................................................................................................................................ 4
Outputs.............................................................................................................................. 5
User needs ........................................................................................................................ 6
Design .................................................................................................................................. 7
Screen layout .................................................................................................................... 7
Landing screen page ..................................................................................................... 7
Play Screen/Level Selection page. ................................................................................. 8
.......................................................................................................................................... 8
Lessons page ................................................................................................................ 9
.......................................................................................................................................... 9
How To Play page........................................................................................................ 10
........................................................................................................................................ 10
Navigation ....................................................................................................................... 11
Pseudo code ................................................................................................................... 12
Data validation................................................................................................................. 13
Integrating device capabilities .......................................................................................... 14
Resources/assets that will be used. ................................................................................. 14
Testing ............................................................................................................................ 15
Constraints ...................................................................................................................... 15
Legal and ethical considerations...................................................................................... 15
Design peer feedback/review .......................................................................................... 16
. Changes made based on feedback. .............................................................................. 18
Game questions ........................................................................................................... 18
Justifying decisions made ................................................................................................ 19
Application development ..................................................................................................... 21
Tools used during development. ...................................................................................... 21
Global variables ........................................................................................................... 21
Functions ..................................................................................................................... 21
Data types.................................................................................................................... 22
Code annotation........................................................................................................... 23
, Testing - Test log ............................................................................................................. 24
Testing - User feedback .................................................................................................. 25
Response 1:................................................................................................................. 25
Response 2:................................................................................................................. 26
.................................................................................................................................... 26
.................................................................................................................................... 26
Changes made based on user feedback. ........................................................................ 27
Minimising white space ................................................................................................ 27
After optimisation ......................................................................................................... 28
Increasing size of input text box ................................................................................... 29
Colour changes ............................................................................................................ 31
Adding exit button in levels .......................................................................................... 33
Additional changes made. ............................................................................................... 35
Minimising white space ................................................................................................ 35
Evaluation ........................................................................................................................... 39
Meeting the users’ requirements...................................................................................... 39
Evidence of meeting the user requirements ................................................................. 39
Evaluating meeting the user requirements ................................................................... 51
Evaluating the application ................................................................................................ 51
Evaluating skills and knowledge during this project ............................................................. 52
Evaluating behaviour........................................................................................................... 52
References ......................................................................................................................... 53
Client brief
The client wants a prototype mobile app to be developed. The purpose of this mobile app is
to support young children developing their mathematical skills. Specifically, the application
needs to help children with converting measurements and units.
The application needs to be a game which asks the user multiple questions which need to -
using numbers from 1 - 12. Both subtraction and division MUST NOT produce negative
numbers.
There needs to be 10 questions in each game(level) and the application should keep track of
the user’s score/s. There needs to be 3 levels; level 0 - no time limit; level 1 - has 20 second
time limit; level 2 has a 10 second time limit; per question.
, Finally, the application should include suitable graphics and sound that are engaging to
young children.
Requirements for the application
Device capabilities
The device capabilities required for this application to utilise is minimal due to the simplicity
of the purpose of the application. The capabilities that will be needed for this application to
work are:
● Speakers/audio output
● Touchscreen
NOTE: The accelerometer/gyroscope/magnetometer may be used to detect the
orientation of the phone - this depends on if the application will support both portrait
and landscape displays.
Inputs
The inputs will all be done through using the touchscreen on the device - this will be used to
press buttons that are seen in application.
Some of these inputs include but are not limited to.
● Level selection
● Country (to determine what units are local to the user)
● Answers to questions
● Replay level.
● Next level
● Exit/close level
● Exit/close level
● Instructions
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