Thursday, 28 July 2011

Intercept Call Activity

How to listen for Incoming and Outgoing call and perform our task accordingly. Here is how to do it:

public class MyPhoneStateListener extends Service{

    @Override
    public IBinder onBind(Intent arg0) {
        return null;
    }

    @Override
    public void onCreate() {
        super.onCreate();
            StateListener phoneStateListener = new StateListener();
            TelephonyManager telephonymanager = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);
            telephonymanager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
        }catch(Exception e){ }

    }

    class StateListener extends PhoneStateListener{
        @Override
        public void onCallStateChanged(int state, String incomingNumber) {
            super.onCallStateChanged(state, incomingNumber);
            switch(state){
                case TelephonyManager.CALL_STATE_RINGING:
                    break;
                case TelephonyManager.CALL_STATE_OFFHOOK:
                    break;
                case TelephonyManager.CALL_STATE_IDLE:
                    break;
            }
        }
    };

    @Override
    public void onDestroy() {
       
    }

}

NoteWhile stopping service don't foget to remove the listener and add these permissions to your manifest file:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />







No comments:

Post a Comment

Post a Comment