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  1. #1
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    Question how to disable screen darkening effect when no user response

    hi all...my question title sounds wierd..i dont know the exact word for mobile background light...i mean, say, when the mobile is idle for some time (no user keypress), mobile screen gets darkened a bit. As soon as you press any key, the screen returns to it normal display....this is default mobile behaviour

    in my application, while user is viewing video, in absence of any user keypress during this time, the screen gets darkened. So its very irritating to press some key to turn screen back to its normal brightness regularly..

    Can anybdy plz tell me how do I "disable" this screen darkening effect..thnx in advance....

  2. #2
    Nokia Developer Champion
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    Re: how to disable screen darkening effect when no user response

    Helpful answers within this forum:

    http://discussion.forum.nokia.com/fo...ad.php?t=48831

    Pit

  3. #3
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    Re: how to disable screen darkening effect when no user response

    Hi Jappitt,
    thanks for your help. From the thread you mentioned, the required method is
    Code:
    DeviceControl.setLights(0,100);
    But it was also mentioned somewhere that this is not part of java api and its part of nokia API. I didnt know that nokia has its own set of API for J2ME.

    Where can i download the jar for this nokia API. I am using device profile MIDP 2.0 and device configuration CLDC 1.1 on N95.

  4. #4
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    Re: how to disable screen darkening effect when no user response

    Hi...I found that jar file of nokia ui api...Do I need to use TimerTask so that backlight remains on for a specific interval, as it says in documentation that the method is unpredictable..

  5. #5
    Nokia Developer Champion
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    Re: how to disable screen darkening effect when no user response

    Hi js001,

    sorry for not having answered you before. Anyway yes, you need to periodically call setLights() method within your application, otherwise display light will likely turn off after a while.

    Pit

  6. #6
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    Re: how to disable screen darkening effect when no user response

    Hi jappit...thanks a lot for conforming..

  7. #7
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    Dec 2004
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    369

    Re: how to disable screen darkening effect when no user response

    there are such proprietery API for almost every vendor (motoroloa/lg/samsung) etc...
    so ull need a different call for turning on the light based on the handset ur working with

  8. #8
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    Re: how to disable screen darkening effect when no user response

    Quote Originally Posted by js001 View Post
    hi all...my question title sounds wierd..i dont know the exact word for mobile background light...i mean, say, when the mobile is idle for some time (no user keypress), mobile screen gets darkened a bit. As soon as you press any key, the screen returns to it normal display....this is default mobile behaviour

    in my application, while user is viewing video, in absence of any user keypress during this time, the screen gets darkened. So its very irritating to press some key to turn screen back to its normal brightness regularly..

    Can anybdy plz tell me how do I "disable" this screen darkening effect..thnx in advance....
    Just use a thread which runs in background and calls the backlight function every 5 secs.

    Don

  9. #9
    Registered User
    Join Date
    Nov 2008
    Posts
    10

    Re: how to disable screen darkening effect when no user response

    Thanks for the help!Using J2MEPolish (www.j2mepolish.org) helps a lot!

    Don

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