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Archived:A long Form takes a long time on the Nokia E61, E61i, E62 (Known Issue)

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==How to reproduce==
 
==How to reproduce==
The attached application [http://wiki.forum.nokia.com/images/d/dd/FormScrollingTest.zip FormScrollingTest] can be used for testing this issue.
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The attached application [[Media:FormScrollingTest.zip|FormScrollingTest]] can be used for testing this issue.
  
 
[[Category:Known Issue]][[Category:Java ME]][[Category:MIDP 2.0]] [[Category:S60 3rd Edition]]
 
[[Category:Known Issue]][[Category:Java ME]][[Category:MIDP 2.0]] [[Category:S60 3rd Edition]]

Revision as of 07:58, 19 May 2011

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Article Metadata
Tested with
Devices(s): Nokia E61, Nokia E61i, Nokia E62
Compatibility
Platform(s): S60 3rd Edition
S60 3rd Edition (initial release)
MIDP 2.0
Article
Created: (10 May 2007)
Last edited: hamishwillee (19 May 2011)

Description

Scrolling a long Form (100+ items) takes a long time, especially during changes between different elements, e.g. ChoiceGroup to TextField, and from similar elements with different formatting constraints, e.g.,  from a TextField.URL masked field to a TextField.PHONENUMBER masked field.
According to the MIDP specification, class javax.microedition.lcdui.Form javadoc:
"Notes for Application Developers
Although this class allows creation of arbitrary combination of components the application developers should keep the small screen size in mind. Form is designed to contain a small number of closely related UI elements."
Therefore, in order to avoid this problem, use other forms of displaying large amounts of content, such as custom items, combined with search and paging algorithms.

How to reproduce

The attached application FormScrollingTest can be used for testing this issue.

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