public class CallReceiver extends BroadcastReceiver{

@Override
public void onReceive(Context context, Intent intent) {

                Log.d("CallReceiver","IncomingBroadcastReceiver: onReceive: ");

                String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
                Log.d("CallReceiver","IncomingBroadcastReceiver: onReceive: " + state);
                if (state.equals(TelephonyManager.EXTRA_STATE_RINGING)){

                    Intent i = new Intent(context, IncomingCallActivity.class);
                    i.putExtras(intent);
                    i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                    context.startActivity(i);
                }
}