Archived:How to keep backlight on using PySymbian

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15 Sep
2009

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26 Sep
2009

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The article is believed to be still valid for the original topic scope.

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

Article Metadata

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Tested with

Devices(s): Nokia N95, Nokia E90

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Compatibility

Platform(s): S60 1st Edition, S60 2nd Edition, S60 3rd Edition

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Article

Keywords: e32

Created: cyke64 (19 Mar 2007)

Last edited: hamishwillee (31 May 2013)

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.