Get advertising id

GetAdID

    public static String getAdvertisingId() {
        try {
            return AdvertisingIdClient.getAdvertisingIdInfo(Contextor.getInstance().getContext()).getId();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (GooglePlayServicesNotAvailableException e) {
            e.printStackTrace();
        } catch (GooglePlayServicesRepairableException e) {
            e.printStackTrace();
        }
        return null;
    }