title: control a number of sms sent in android
body: <p>i make an application for sending sms automatically to the incoming Number. But the problem is that ,it send 2 sms instead of one in each call.
  i verified in my log, my "onreceive()" method for broadcastReceiver is called twice at the phone state changed and i dont know how to control this.
  have someone an idea? thanks for hepl
  sorry for my twisted english.</p>