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Java Development

Create a ListField with check boxes

by BlackBerry Development Advisor ‎02-12-2010 04:16 PM - edited ‎09-16-2010 02:26 PM (3,736 Views)

Summary

 

This article applies to BlackBerry® wireless devices based on Java™.

 


Description

 

The default implementation of a ListField on a BlackBerry device will display text in a number of selectable rows. It is possible to expand on this behaviour and allow an application to add a series of check boxes to the list. This can provide a visual indication to the user of rows that have some significance to the application. In the attached sample application, check boxes are added to the left side of a ListField. The boxes can be checked and unchecked by highlighting the appropriate row and by either pressing the SPACEBAR or selecting Change Option from the menu. Here is a screenshot of what the list looks like with the first row highlighted on a BlackBerry 7290 Wireless Handheld™ with BlackBerry Device Software 4.1.

 

DB-00471.jpg

 

 

 

 

 

 

 

 

 

 

 

 

To download the source code of this application, see the CheckboxListField.zip file

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