Example
int[] errCode = new int[1];
CitizenPrinterInfo[] list = printer.searchCitizenPrinter(
LabelConst.CLS_PORT_WiFi, 3, errCode);
for (int i = 0; i < list.length; i++)
{
Log.e("Search", "IP Address: " + list[i].ipAddress);
Log.e("Search", "MAC Address: " + list[i].macAddress);
}