<receiver android:name=".MYPhoneStateListener"
       android:exported="true">
    <intent-filter android:priority="999999">
        <action android:name="android.intent.action.PHONE_STATE"></action>
    </intent-filter>

</receiver>

</application>

<uses-permission android:name="android.permission.CALL_PHONE" />
<uses-permission android:name="android.permission.SEND_SMS" />

public class CallBroadcastReceiver extends BroadcastReceiver{

@Override
public void onReceive(Context context, Intent intent) {
    // TODO Auto-generated method stub
    String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);

    if (TelephonyManager.EXTRA_STATE_RINGING.equals(state))
    {
        Log.d("incoming", "incoming");
    }
}

<receiver android:name=".CallBroadcastReceiver"
       android:exported="true">

public class PhoneListener extends PhoneStateListener {

    @Override
public void onCallStateChanged(int state, String incomingNumber) {
    }

}

TelephonyManager telephony = (TelephonyManager)    ctx.getSystemService(Context.TELEPHONY_SERVICE);
        telephony.listen(phoneListener, PhoneStateListener.LISTEN_CALL_STATE);