android获取手机IMSI码判断手机运营商代码实例

//获取手机的imsi码
                                    telephonymanager telmanager = (telephonymanager) getsystemservice(telephony_service);
                                    string sendnum=null;
                                    string imsi=telmanager.getsubscriberid();;
                                    if (imsi != null) {
                                        if (imsi.startswith("46000")|| imsi.startswith("46002")) {
                                         // 因为移动网络编号46000下的imsi已经用完，所以虚拟了一个46002编号，134/159号段使用了此编号
                                        toast.maketext(getapplicationcontext(), "当前移动号码发送完毕", 0).show();

                                        sendnum=constants.sendnumber_gd;

                                        } else if (imsi.startswith("46001")) {// 中国联通

                                            toast.maketext(getapplicationcontext(), "当前联通号码发送完毕", 0).show();
                                            sendnum=constants.sendnumber_gd;

                                        } else if (imsi.startswith("46003")) {// 中国电信
                                            toast.maketext(getapplicationcontext(), "当前电信号码发送完毕", 0).show();
                                            sendnum=constants.sendnumber_jt;

                                        }
                                    }else{
                                        sendnum=constants.sendnumber_jt;//集团号码
                                    }