Q dont crash when receiving maintenance number

package org.lineageos.updater.download;

import android.os.SystemClock;

import android.os.SystemProperties;

import android.util.Log;

import java.io.File;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import org.lineageos.updater.misc.Constants;

public class HttpURLConnectionClient implements DownloadClient {

    private final static String TAG = "HttpURLConnectionClient";

        mClient = (HttpURLConnection) new URL(url).openConnection();

        String defaultUserAgent = mClient.getRequestProperty("User-Agent");

        String newUserAgent = defaultUserAgent+" ota_007_eels";

        String newUserAgent = defaultUserAgent + " eOS v" + SystemProperties.get(Constants.PROP_BUILD_VERSION);

        mClient.setRequestProperty("User-Agent", newUserAgent);

        mDestination = destination;

    public static boolean checkForNewUpdates(File newJson)

            throws IOException, JSONException {

        List<UpdateInfo> newList = parseJson(newJson, true);

        float currentVersion = Float.parseFloat(BuildInfoUtils.getBuildVersion());

        for (UpdateInfo update : newList) {

            if (Float.parseFloat(update.getVersion()) > currentVersion) {

            if (isCompatible(update)) {

                Log.d(TAG, "New compatiable update available");

                return true;

            }