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Backlight usability

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* Backlight timeout period should be low.
 
* Backlight timeout period should be low.
  
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* Backlight behavior should be consistent in case of Voip applications vis-a-vis cell calls, i.e. if profile is silent on incoming cell calls the backlight blinks, the same should happen in the case of Voip calls also.
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* The user inactivity timer should not be tampered with unless there is a valid reason so to do, as this can impact the battery performance and stop the screen saver from coming on.
  
 
== Related link ==
 
== Related link ==
  
 
* [http://wiki.forum.nokia.com/index.php/How_to_check_if_the_backlight_is_off_and_how_to_turn_it_on How to turn on the backlight]
 
* [http://wiki.forum.nokia.com/index.php/How_to_check_if_the_backlight_is_off_and_how_to_turn_it_on How to turn on the backlight]
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* [http://wiki.forum.nokia.com/index.php/Detecting_user_inactivity_in_Symbian_OS Detecting user inactivity in Symbian]
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* [http://wiki.forum.nokia.com/index.php/How_to_keep_backlight_on Keep backlight on in Python]
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* [http://wiki.forum.nokia.com/index.php/TSS000268_-_How_to_get_a_notification_of_user_activity_when_the_device_has_been_idle%3F How to get user activity notice when device has been idle]

Revision as of 22:10, 30 June 2009


An application should make optimal use of backlight because it costs battery usage.

Some guidelines for backlight usability

  • Backlight should be turned off when the application is idle.
  • When the application is moved to background, the backlight should turn off after a while.
  • The default backlight settings should not be modified.
  • Backlight timeout period should be low.
  • Backlight behavior should be consistent in case of Voip applications vis-a-vis cell calls, i.e. if profile is silent on incoming cell calls the backlight blinks, the same should happen in the case of Voip calls also.
  • The user inactivity timer should not be tampered with unless there is a valid reason so to do, as this can impact the battery performance and stop the screen saver from coming on.

Related link

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