Android SQLite查询返回误报：虽然找不到匹配但启动意图

Question

我正在尝试查询指定URL的书签/浏览器历史记录 - 然后在查询返回匹配项时启动新意图 - 但无论查询结果如何，意图都在运行。

我在设备上完成了工厂重置，以确保没有浏览器历史记录和书签[并确保不会将任何设置恢复到设备 - 这会恢复书签和可能的浏览器历史记录]但意图开始即使它在我的历史记录中找不到匹配条件（我已多次验证历史记录和书签是100％空白）。

如何防止这些误报发生？

import com.parse.ParseObject; 
import android.app.AlertDialog;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.TrafficStats;
import android.net.Uri;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.provider.Browser;
import android.util.Log;
import android.widget.Chronometer;
import android.widget.TextView;
import android.widget.Toast;

public class Service_class extends Service {
       String Dirty1 = "playboy";
        String Dirty2 = "penthouse";
        String Dirty3 = "pornhub";
        String Dirty4 = "playboy";
        String Dirty5 = "playboy";
        String Dirty6 = "playboy";
        String Dirty7 = "playboy";
        String Dirty8 = "playboy";
        String Dirty9 = "playboy";
        String Dirty10 = "playboy";

    @Override
    public IBinder onBind(Intent arg0) {
        return null;
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        Toast.makeText(this, "Service Started", Toast.LENGTH_LONG).show();
        String[] projection = new String[] { Browser.BookmarkColumns.TITLE,
                Browser.BookmarkColumns.URL };
                Cursor cursor = getContentResolver().query(android.provider.Browser.BOOKMARKS_URI,
                        projection, null, null, null);
                String urls = "";
                if (cursor.moveToFirst()) {
                String url1 = null;
                String url2 = null;
                do {
                String url = cursor.getString(cursor.getColumnIndex(Browser.BookmarkColumns.URL));

                 if (url.toLowerCase().contains(Dirty1) || url.toLowerCase().contains(Dirty2))
                 {
                     Intent intent2 = new Intent(Service_class.this, Warning.class);
                     intent2.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                     startActivity(intent2);
                     break;
                 }          } while (cursor.moveToNext()); 



    }

        return START_STICKY;
    }

    @Override
    public void onDestroy() {

        super.onDestroy();
        Toast.makeText(this, "Service Stopped", Toast.LENGTH_LONG).show();

    }

    @Override
    public void onCreate() {
        super.onCreate();

}}