Zooming; Best Practice: Zooming - Blackberry 9620 Ui Manuallines
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Also See for 9620:
- User manual (365 pages) ,
- Start here (4 pages) ,
- Safety and product information (4 pages)
Table of Contents
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UI Guidelines
Panning
Users can pan a picture, map, or web page by moving a finger on the trackpad, or, on BlackBerry devices with a touch
screen, users can use a finger to drag the content on the screen. The content moves in the same direction and at the same
rate that users move their finger.
Zooming
Users can zoom in to or out from items such as images, web pages, HTML email messages, maps, and attachments to view
the details of the item or to scan specific sections of the item.
User goal
Zoom in.
Zoom out.
Best practice: Zooming
•
On zoomed in content, allow users to fit the content into the dimensions of the screen by pressing the Escape key twice
quickly.
•
Assign shortcut keys for zooming in to and out from items. For example, in English, allow users to press "I" to zoom in
and "O" to zoom out.
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Action using the navigation keys
Click the trackpad.
Press the Escape key.
Action using a touch screen
•
Pinch out.
•
Tap the screen twice quickly in the
same location.
•
Pinch in.
•
On zoomed in content, tap the screen
twice quickly in the same location.
Strategies
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