Archived:A simple screensaver in PySymbian
This is an example of a simple PySymbian screensaver.
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import appuifw, e32
from time import *
from graphics import *
app_lock=e32.Ao_lock()
def quit():
global running
running=0
app_lock.signal()
appuifw.app.exit_key_handler=quit
#We create the background, a blank image
bg=Image.new((240,320)) #These dimensions are purely orientational. For best results, adapt them to your device
#Now we create a white rectangle that will hold the date and time, for example
dt=Image.new((240,160))
#The screensaver takes up the entire screen
appuifw.app.screen="full"
y=0
coord_inc=0
running=1
while(running==1):
if(e32.inactivity()>=5): #The screensaver kicks in after 5 seconds of user inactivity
#The background and the area displaying date and time are cleared
bg.clear()
dt.clear()
#The date and time are stored as unicode strings
year=str(localtime()[0])
month=str(localtime()[1])
day=str(localtime()[2])
date=u"%s/%s/%s" % (day,month,year)
if(localtime()[4]<10):min="0"+str(localtime()[4])
else:min=str(localtime()[4])
if(localtime()[5]<10):sec="0"+str(localtime()[5])
else:sec=str(localtime()[5])
time=u"%d:%s:%s" % (localtime()[3],min,sec)
#We write the information on the rectangle:
dt.text((80,25), date, font="annotation")
dt.text((70,50), time, font="title")
#We place the rectangle on the background
bg.blit(dt, target=(0,y))
#We increase the y coordinate to tell the program where to show the rectangle next
if(coord_inc==0):
y+=160
coord_inc=1 #Tells that y has been increased
else:
y=0
coord_inc=0
#We set the background:
def handle_redraw(rect):canvas.blit(bg)
canvas=appuifw.Canvas(event_callback=None, redraw_callback=handle_redraw)
appuifw.app.body=canvas
#Tell it to wait 5 seconds before moving the information
e32.ao_sleep(5)
Screenshot:
