package org.anddev.android.reactonincomingcall;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.telephony.Phone;
import android.telephony.PhoneStateIntentReceiver;
import android.util.Log;
public class ReactOnIncomingCall extends Activity {
   /** Used to recognize Messages from the
  * myPhoneStateChangedHandler. */
   final int PHONECALLSTATE_RECONGNIZE_ID = 0x539;
   /** Will notify us on changes to the PhoneState*/
   PhoneStateIntentReceiver myPsir = null;
  /** This Handler will react on the messages the
   * we made our PhoneStateIntentReceiver myPsir
   * notify us on. */
  Handler myPhoneStateChangedHandler = new Handler(){
    @Override
    public void handleMessage(Message msg) {
     // Recognize the Message by its what-ID
     if(msg.what == PHONECALLSTATE_RECONGNIZE_ID){
        /* Our PhoneStateIntentReceiver myPsir
       * now contains some recent data, we can grab. */
        Phone.State myState = myPsir.getPhoneState();
        // Put the Info to the logger for debugging
        Log.d("PhoneCallStateNotified", myState.toString());
        if(myState == Phone.State.RINGING){
         // Celebrate =D
        }
     }
    }
  };
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle icicle) {
   // Set some simple layout
    super.onCreate(icicle);
    setContentView(R.layout.main);
    /* Create a new PhoneStateIntentReceiver
   * that will pass messages to the handler h
   * as it receives Intents we make it notify
   * us below*/
    this.myPsir = new PhoneStateIntentReceiver(this,
      myPhoneStateChangedHandler);
    /* As we want to get notified on changes
   * to the Phones-State we tell our
   * PhoneStateIntentReceiver myPsir,
   * that we wan to get notified with the ID
   * (PHONECALLSTATE_RECONGNIZE_ID) we pass to him
   */
    this.myPsir.notifyPhoneCallState(PHONECALLSTATE_RECONGNIZE_ID);
    /* Register the Intent with the system. */
    this.myPsir.registerIntent();
  }
}