show the message what you want on the screen.
Broadcast intent with
[ActionName]:
A="bh.android.intent.action.popupmsg"
[ExtraKey]:
Aa="popupmsg"
Ab="notifymsg"
Ac="popnotifymsg"
Ad="progressmsg"
[EtraValue]:
Aa/Ab/Ac/Ad="The Message you want to show"