Android获取运营商信息

public int getSimOperatorInfo(){TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);String operatorString = telephonyManager.getSimOperator();if(operatorString == null){return 0;}if(operatorString.equals("46000") || operatorString.equals("46002")){//中国移动return 1;}else if(operatorString.equals("46001")){//中国联通return 2;}else if(operatorString.equals("46003")){//中国电信return 3;}//errorreturn 0;}