Blackberry Smartphones Specifications Page 3

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Contents
1 New in this version...................................................................................................................................................................... 5
2 Getting started............................................................................................................................................................................. 7
Designing applications for BlackBerry devices........................................................................................................................... 7
Best practice: Designing applications for BlackBerry devices.......................................................................................... 7
Three key principles of BlackBerry application design............................................................................................................... 8
Constraints of designing for mobile devices................................................................................................................................ 10
Designing and developing for different BlackBerry devices and software versions............................................................... 11
Display specifications and interaction methods for BlackBerry devices.................................................................................. 12
Creating a UI that is consistent with standard BlackBerry UIs................................................................................................. 12
3 Stages of application design..................................................................................................................................................... 14
Stage 1: Understanding the product requirements and user goals.......................................................................................... 14
Best practice: Understanding the product requirements and user goals....................................................................... 15
Stage 2: Developing the concepts and building the workflow.................................................................................................. 15
Best practice: Developing the concepts and building the workflow................................................................................ 16
Stage 3: Organizing content on the screen................................................................................................................................. 17
Best practice: Organizing content on the screen............................................................................................................... 18
Stage 4: Incorporating visual design............................................................................................................................................ 19
Best practice: Incorporating visual design.......................................................................................................................... 19
4 Interactions.................................................................................................................................................................................. 20
Trackpad........................................................................................................................................................................................... 20
Best practice: Implementing trackpad actions................................................................................................................... 20
Touch screen.................................................................................................................................................................................... 21
Best practice: Implementing touch screen actions............................................................................................................ 22
Keyboard.......................................................................................................................................................................................... 23
Best practice: Designing applications for different types of keyboards.......................................................................... 23
Full keyboard........................................................................................................................................................................... 24
Reduced keyboard.................................................................................................................................................................. 25
Key functionality..................................................................................................................................................................... 27
Typing indicators.................................................................................................................................................................... 29
Shortcut keys........................................................................................................................................................................... 30
5 Strategies...................................................................................................................................................................................... 32
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