Issue 6265 - Create shared AdblockEngine instance in AdblockWebView in background

libadblockplus-android-settings/src/org/adblockplus/libadblockplus/android/settings/GeneralSettingsFragment.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.adblockplus.libadblockplus.android.settings;
 
 import android.app.Activity;
 import android.os.Bundle;
 import android.preference.ListPreference;
 import android.preference.MultiSelectListPreference;
 import android.preference.Preference;
 import android.preference.SwitchPreference;
 import android.util.Log;
 
+import org.adblockplus.libadblockplus.android.ConnectionType;
 import org.adblockplus.libadblockplus.android.Subscription;
 
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
 /**
  * General Adblock settings fragment.
  * Use the {@link GeneralSettingsFragment#newInstance} factory method to
@@ skipping 282 matching lines @@
     }
     else
     {
       // should not be invoked as only 'wl' preference is subscribed for callback
       return false;
     }
 
     return true;
   }
 }