Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.telephony.TelephonyManager; public class Main { public static String getOperater(Context context) { TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); if (tm == null || 5 != tm.getSimState()) { return ""; } return tm.getSimOperator(); } }