TelephonyManager tm = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
String imei = tm.getDeviceId();//取出IMEI
String tel = tm.getLine1Number();//取出MSISDN,很可能为空
String imei =tm.getSimSerialNumber();//取出ICCID
String imsi =tm.getSubscriberId();//取出IMSI