Simulator or Device

You can check if your app is running over Simulator or Device.

public static boolean isSimulator(Context context){

        boolean isSimulator = false;

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

        String uuid = tManager.getDeviceId();

        if(null==uuid ||uuid.equals("000000000000000")){

            isSimulator = true;

        }

        return isSimulator;

}

Permission:

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