Android Telephone manager to detect sim

Question

I am working on an Android auto-start app that\'s basically dependent on SIM card state. When my app auto starts I need it to check where the SIM card has been changed or n

Answer 1

Below code will help you to fetch the SIM Serial No

TelephonyManager mTelephonyMgr =
(TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);

String sSimSerial = mTelephonyMgr.getSimSerialNumber(); 

Set the following permission on Android Manifest file

android.permission.READ_PHONE_STATE