public String getPhoneBrand() {

        String manufacturer = Build.MANUFACTURER;
        if (manufacturer != null && manufacturer.length() > 0) {
            return manufacturer.toLowerCase();
        } else {
            return "unknown";
        }

    }

    public String isHuaWei(){
       String phoneBrand = getPhoneBrand();
       return phoneBrand.contains("HUAWEI") || phoneBrand.contains("OCE")
                || phoneBrand.contains("huawei") || phoneBrand.contains("honor");
   }