Blackberry PlayBook Tablet Ui Manuallines - Page 8

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Also for Blackberry PlayBook Tablet: Specifications (21 pages), Specfications (21 pages), User Manual (48 pages), Safety And Product Information (19 pages), Security Technical Overview (46 pages), User Manual (42 pages), Quick Start Manual (2 pages), User Manual (34 pages)

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UI Guidelines

Design principles

If you are used to designing for a smartphone, you might have organized the screens in your application in a hierarchy. Try

to avoid this approach when you design applications for the BlackBerry PlayBook tablet. Instead of creating an application

with a hierarchy that users have to navigate, create an application that has a flat structure. Think of the screen as a window

into your application instead of a container for the entire application. For example, if the number of photo albums does not

fit on the display area of the screen, show part of a photo album at the edge of the screen so that it is obvious to users that

they can view more albums by swiping up or down on the screen.

Use a canvas strategy

The large area of a typical computer interface allows you to present an application with a mix of content and UI

components. The same application that is created for the BlackBerry PlayBook tablet requires a different strategy. In most

situations, your application should make use of the entire screen, use gestures to control workflow, and access additional

options only when necessary.

If you have a large amount of information to present, try to think of the screen as a frame that contains a small view of a

large canvas. Users can move the view by dragging a finger in any direction, or by swiping to move the view quicker or a

greater distance. For example, you might use this type of interaction when navigating within a map or large image.