I want your help about my code.
the problem is when I want to apply in my phone show me this message error.
(NameError:name 'app_lock' is not defined).
this is my code :
import socket, e32, appuifw def choose_service(services): names =  channels =  for name, channel in services.items(): names.append(name) channels.append(channel) index = appuifw.popup_menu(names, u"Choose service") return channels[index] def connect(): global sock address, services = socket.bt_discover() channel = choose_service(services) sock = socket.socket(socket.AF_BT, socket.SOCK_STREAM) sock.connect((address, channel)) def receive(): global sock data = sock.recv(1) if data == "1": appuifw.note(u"LED on ", "info") elif data == "0": appuifw.note(u"LED off ", "info") def bt_send_data1(): global sock sock.send("1") receive() def bt_send_data2(): global sock sock.send("0") receive() def exit_key_handler(): print "socket closed" sock.close() app_lock.signal() app_lock = e32.Ao_lock() appuifw.app.menu = [(u"LED on", bt_send_data1), (u"LED off", bt_send_data2), (u"Connect", connect)] appuifw.app.exit_key_handler = exit_key_handler app_lock.wait()
**** is anyone help me please.