@Override
    public String getRomOAID() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            try {
                String oaid = Settings.Global.getString(mContext.getContentResolver(), "pps_oaid");
                if (!TextUtils.isEmpty(oaid)) {
                    SALog.i(TAG, "Get oaid from global settings");
                    return oaid;
                }
            } catch (Throwable t) {
                SALog.i(TAG, t);
            }
        }
        String oaid = null;
        String[] packages = new String[]{"com.huawei.hwid", "com.huawei.hwid.tv", "com.huawei.hms"};
        for (String pg : packages) {
            if (TextUtils.isEmpty(oaid)) {
                oaid = realLoadOaid(pg);
            }
        }
        return oaid;
    }
@Test
    public void getRomOAID() {
        HuaweiImpl huawei = new HuaweiImpl(mApplication);
//        if (huawei.isSupported()) {
//            Assert.assertNull(huawei.getRomOAID());
//        }
    }