Android Service Listener for the wakelock screen -

hii all,

im developing emergency calling application. want when person uses specific code phone unlock , application running. im juz thinking need reciever , wondering wether have create own home screen , lock screen application. ideas on please???

many in advance :)

there no sanctioned way replace lock screen. see is there way override lock pattern screen?

the previous answer question got merged one:

i action_new_outgoing_call, , @ this android developers blog post receiver priority.