Read SIM card related information

Key code:

Telephonymanager TM = (Telephonymanager) this.getsystemservice (Context.telephony_service);

String IMEI = Tm.getdeviceid (); Remove IMEI

String Tel = tm.getline1number (); Remove the MSISDN, which is likely to be empty

String iccid =tm.getsimserialnumber (); Remove Iccid

String imsi =tm.getsubscriberid (); Remove IMSI

To add permissions:

<uses-permission android:name= "Android.permission.READ_PHONE_STATE"/>

Iccid:integrate Circuit card identity IC Cards identification code (cured in SIM card)

Iccid is the unique identification number of the IC card, consisting of 20 digits,

The encoding format is: XXXXXX 0MFSS yygxx XXXXX.

Described below: Top six carrier code: China Mobile: 898600;898602, China Unicom: 898601, Chinese telecom 898603

Judgment code:

String short_str=iccid.substring (0, 6);

if (Short_str.equals ("898600") | | Short_str.equals ("898602")) {
String chanel= "Move";
}else if (short_str.equals ("898601")) {
String chanel= "telecommunications";
}else if (short_str.equals ("898603")) {
String chanel= "Unicom";
}

Read SIM card related information