Blackberry 9620 - Default Chapter; Table of Contents

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Contents

1 What's new.......................................................................................................................................6

2 Getting started..................................................................................................................................8

Designing applications for BlackBerry devices......................................................................................................................8

Best practice: Designing applications for BlackBerry devices......................................................................................... 9

Three key principles of BlackBerry application design.........................................................................................................10

Constraints of designing for mobile devices........................................................................................................................ 11

Designing and developing for different BlackBerry devices and software versions................................................................12

Display specifications and interaction methods for BlackBerry devices............................................................................... 15

Stages of application design...............................................................................................................................................17

Stage 1: Understanding the product requirements and user goals................................................................................18

Stage 2: Developing the concepts and building the workflow........................................................................................19

Stage 3: Organizing content on the screen................................................................................................................... 21

Stage 4: Incorporating visual design.............................................................................................................................22

3 Interactions....................................................................................................................................24

Trackpad...........................................................................................................................................................................24

Best practice: Implementing trackpad actions.............................................................................................................24

Touch screen.....................................................................................................................................................................25

Best practice: Implementing touch screen actions.......................................................................................................26

Keyboard...........................................................................................................................................................................26

Best practice: Designing applications for different types of keyboards.......................................................................... 29

Key functionality .........................................................................................................................................................29

Typing indicators.........................................................................................................................................................31

Shortcut keys..............................................................................................................................................................32

Strategies.......................................................................................................................................34

Setting focus and highlighting items................................................................................................................................... 34

Best practice: Setting focus and highlighting items...................................................................................................... 35

Scrolling and panning........................................................................................................................................................ 35

Zooming............................................................................................................................................................................ 36

Best practice: Zooming............................................................................................................................................... 36

Displaying images..............................................................................................................................................................37

Best practice: Displaying images................................................................................................................................. 38

Displaying information on a screen temporarily...................................................................................................................39

Best practice: Displaying information on a screen temporarily......................................................................................40

Screen transitions..............................................................................................................................................................40

Incorporating NFC in your application.................................................................................................................................41