public static String getDeviceInfo(Context mContext, String androidId, String oaid, String reflectionOAID) {
        return String.format("android_id=%s##imei=%s##imei_old=%s##imei_slot1=%s##imei_slot2=%s##imei_meid=%s##mac=%s##oaid=%s##oaid_reflection=%s",
                androidId, "", "", "", "","","", oaid, reflectionOAID);
    }
@Test
    public void getDeviceInfo() {
        String str = ChannelUtils.getDeviceInfo(mApplication, "", "abdd12312838_oaid","abdd12312838_oaid");
        Assert.assertNotNull(str);
    }