android9.0读取sn号为唯一码

在GPRS.java文件

private static final int PDP_CONTEXT_MAX = 15;

    private int mSimId = PhoneConstants.SIM_ID_1; //wdl add for write imei

    private TelephonyManager telephonyManager; //wdl add for write imei

在oncreate方法里 屏蔽掉// showDefaultSim(); //wdl add for write imei