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import appuifw, e32, key_codes,threading,btsocket as socket


class myBtSocket:
	def __init__(self):
		address, services = socket.bt_discover()
		self.channel = self.choose_service(services)
		self.conn = socket.socket(socket.AF_BT,socket.SOCK_STREAM)
		self.conn.connect((address, self.channel))
		self.to_peer = self.conn.makefile("rw", 0)
		self.canvas = appuifw.Canvas(event_callback =self.sendEvent)    //wenn button gedruckt wird , wird dieser callback(sendEvent) ausgelöst 
		appuifw.app.body = self.canvas
		appuifw.app.exit_key_handler = self.quit
		self.app_lock = e32.Ao_lock()
		self.app_lock.wait()
	
	
	def choose_service(self,services):
		names = []
		channels = []
		for name, self.channel in services.items():
			names.append(name)
			channels.append(self.channel)
		index = appuifw.popup_menu(names, u"Choose service")
		return channels[int(index)]
				
	def sendEvent(self,event):
		if event["type"] == appuifw.EEventKeyDown:
			self.socketIsBusy=True
			try:
				print >> self.to_peer,unicode(event['scancode'])
			except socket.error, e:
				print "ERROR: %s" % e
		elif event["type"] == appuifw.EEventKeyUp:
			try:
				print >> self.to_peer,"-"+unicode(event['scancode'])   // ich benutze das Minus Vorzeichen um die beiden events am server zu unterscheiden
			except socket.error, e:
				print "ERROR: %s" % e
					
					
	def quit(self):
		appuifw.note(u"Bye!")
		self.app_lock.signal()
		
			
myBtSocket()