Java tutorial
//package com.java2s; /* * Copyright (C) 2015 QK Labs * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.telephony.TelephonyManager; import android.text.TextUtils; public class Main { public static String[] getSimOperatorCodes(Context context) { TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); String simOperator = telephonyManager.getSimOperator(); String[] mccmnc = new String[] { null, null }; if (!TextUtils.isEmpty(simOperator)) { mccmnc[0] = simOperator.substring(0, 3); mccmnc[1] = simOperator.substring(3); } return mccmnc; } }