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Revision as of 00:40, 27 September 2009 by fasttrack (Talk | contribs)

Archived:How to keep backlight on using PySymbian

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Article Metadata
Tested with
Devices(s): Nokia N95, Nokia E90
Compatibility
Platform(s): S60 1st Edition, S60 2nd Edition, S60 3rd Edition
Article
Keywords: e32
Created: (19 Mar 2007)
Last edited: fasttrack (27 Sep 2009)

Overview

This snippet shows how to keep the phone's backlight on in Python.

Source code

import appuifw, e32
 
 
app_lock = e32.Ao_lock()
#Define the exit function
def quit():
#Cancel the timer when the user exits, if it has not expired
t.cancel()
app_lock.signal()
appuifw.app.exit_key_handler = quit
 
#Instantiate a timer
t = e32.Ao_timer()
 
def light_on():
#Reset the user inactivity time, turning the backlight on
e32.reset_inactivity()
#Set the timer to call this function every few seconds
t.after(10, light_on)
 
light_on()
 
#Wait for the user to request the exit
app_lock.wait()

Postconditions

The device's backlight is turned on with each passing of the specified number of seconds.

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