Noissue - Lint adjustments and optimizations

adblockplussbrowser/src/org/adblockplus/sbrowser/contentblocker/ContentBlockerContentProvider.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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.sbrowser.contentblocker;
 
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 
 import org.adblockplus.adblockplussbrowser.R;
 import org.adblockplus.sbrowser.contentblocker.engine.Engine;
 import org.adblockplus.sbrowser.contentblocker.engine.EngineService;
+import org.adblockplus.sbrowser.contentblocker.util.SharedPrefsUtils;
 
 import android.content.ContentProvider;
 import android.content.ContentValues;
 import android.content.Intent;
-import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
-import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
 import android.util.Log;
 
 public class ContentBlockerContentProvider extends ContentProvider
 {
   private static final String TAG = ContentBlockerContentProvider.class.getSimpleName();
 
   @Override
   public Bundle call(@NonNull String method, String arg, Bundle extras)
   {
     // As of SBC interface v1.4 we return `null` here to signal that we do not
     // use encryption
     return null;
   }
 
-  private static boolean getBooleanPref(final SharedPreferences prefs, final String key,
-      final boolean defValue)
-  {
-    try
-    {
-      return prefs.getBoolean(key, defValue);
-    }
-    catch (final Throwable t)
-    {
-      return defValue;
-    }
-  }
-
   private void setApplicationActivated()
   {
-    final SharedPreferences prefs = PreferenceManager
-        .getDefaultSharedPreferences(this.getContext().getApplicationContext());
-    final String key = this.getContext().getString(R.string.key_application_activated);
-    final boolean applicationActivated = getBooleanPref(prefs, key, false);
+    final boolean applicationActivated = SharedPrefsUtils.getBoolean(
+        this.getContext(), R.string.key_application_activated, false);
+
     if (!applicationActivated)
     {
-      prefs.edit()
-          .putBoolean(key, true)
-          .commit();
+      SharedPrefsUtils.putBoolean(this.getContext(), R.string.key_application_activated, true);
     }
   }
 
   @Override
   public ParcelFileDescriptor openFile(@NonNull final Uri uri, @NonNull final String mode)
       throws FileNotFoundException
   {
     try
     {
       this.setApplicationActivated();
@@ skipping 43 matching lines @@
     return 0;
   }
 
   @Override
   public int update(@NonNull final Uri uri, final ContentValues values, final String selection,
       final String[] selectionArgs)
   {
     return 0;
   }
 }