Blackberry Smartphones Specifications download pdf (Page 37)

Action BlackBerry devices with a trackpad only

BlackBerry devices with a touch screen

and a trackpad

• Press the Escape key.

• On zoomed in content, tap the screen

twice quickly in the same location.

Best practice: Zooming

• Use the ZoomScreen class to allow users to zoom in to and out from item. For more information about zooming in to and

out from items, see the API reference guide for the BlackBerry® Java® SDK and the BlackBerry UI and Navigation

Development Guide.

• 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.

Displaying images

Images can be displayed individually on the screen and as thumbnails in a table, list, or carousel.

Use the single image view to display a full-sized image. In this view, users can zoom in to and pan the image.

Use thumbnail images in a table to display several images at one time.

UI Guidelines

Displaying images

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Blackberry Smartphones Specifications Page 37