]> gitweb.stoutner.com Git - PrivacyBrowserAndroid.git/blobdiff - app/src/main/java/com/stoutner/privacybrowser/helpers/ImportExportDatabaseHelper.kt
Change the domain settings switches to spinners. https://redmine.stoutner.com/issues/407
[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / helpers / ImportExportDatabaseHelper.kt
index 13abb32a63c8e8e6edbe7776a2c5e14c5cc75af4..55729ff2a6286e8aee24a2c5d2649fcc1ea1f8c7 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018-2022 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2018-2023 Soren Stoutner <soren@stoutner.com>.
  *
  * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
  *
@@ -34,63 +34,52 @@ import java.io.FileOutputStream
 import java.io.InputStream
 import java.io.OutputStream
 
-// Define the private class constants.
-private const val SCHEMA_VERSION = 14
-private const val PREFERENCES_TABLE = "preferences"
+// Define the public constants.
+const val EXPORT_SUCCESSFUL = "A"
+const val IMPORT_SUCCESSFUL = "B"
+const val IMPORT_EXPORT_SCHEMA_VERSION = 17
 
-// Define the private preferences constants.
-private const val ID = "_id"
-private const val JAVASCRIPT = "javascript"
-private const val COOKIES = "cookies"
-private const val DOM_STORAGE = "dom_storage"
-private const val SAVE_FORM_DATA = "save_form_data"
-private const val USER_AGENT = "user_agent"
-private const val CUSTOM_USER_AGENT = "custom_user_agent"
-private const val INCOGNITO_MODE = "incognito_mode"
+// Define the private class constants.
 private const val ALLOW_SCREENSHOTS = "allow_screenshots"
+private const val AMP_REDIRECTS = "amp_redirects"
+private const val APP_THEME = "app_theme"
+private const val BOTTOM_APP_BAR = "bottom_app_bar"
+private const val CLEAR_CACHE = "clear_cache"
+private const val CLEAR_COOKIES = "clear_cookies"
+private const val CLEAR_DOM_STORAGE = "clear_dom_storage"
+private const val CLEAR_EVERYTHING = "clear_everything"
+private const val CLEAR_FORM_DATA = "clear_form_data"  // Clear form data can be removed once the minimum API >= 26.
+private const val CLEAR_LOGCAT = "clear_logcat"
+private const val CUSTOM_USER_AGENT = "custom_user_agent"
+private const val DISPLAY_ADDITIONAL_APP_BAR_ICONS = "display_additional_app_bar_icons"
+private const val DISPLAY_WEBPAGE_IMAGES = "display_webpage_images"
+private const val DOM_STORAGE = "dom_storage"
+private const val DOWNLOAD_WITH_EXTERNAL_APP = "download_with_external_app"
 private const val EASYLIST = "easylist"
 private const val EASYPRIVACY = "easyprivacy"
 private const val FANBOYS_ANNOYANCE_LIST = "fanboys_annoyance_list"
 private const val FANBOYS_SOCIAL_BLOCKING_LIST = "fanboys_social_blocking_list"
-private const val ULTRALIST = "ultralist"
-private const val ULTRAPRIVACY = "ultraprivacy"
-private const val BLOCK_ALL_THIRD_PARTY_REQUESTS = "block_all_third_party_requests"
-private const val GOOGLE_ANALYTICS = "google_analytics"
-private const val FACEBOOK_CLICK_IDS = "facebook_click_ids"
-private const val TWITTER_AMP_REDIRECTS = "twitter_amp_redirects"
-private const val SEARCH = "search"
-private const val SEARCH_CUSTOM_URL = "search_custom_url"
-private const val PROXY = "proxy"
-private const val PROXY_CUSTOM_URL = "proxy_custom_url"
 private const val FULL_SCREEN_BROWSING_MODE = "full_screen_browsing_mode"
 private const val HIDE_APP_BAR = "hide_app_bar"
-private const val CLEAR_EVERYTHING = "clear_everything"
-private const val CLEAR_COOKIES = "clear_cookies"
-private const val CLEAR_DOM_STORAGE = "clear_dom_storage"
-private const val CLEAR_FORM_DATA = "clear_form_data"
-private const val CLEAR_LOGCAT = "clear_logcat"
-private const val CLEAR_CACHE = "clear_cache"
 private const val HOMEPAGE = "homepage"
-private const val FONT_SIZE = "font_size"
+private const val INCOGNITO_MODE = "incognito_mode"
+private const val JAVASCRIPT = "javascript"
 private const val OPEN_INTENTS_IN_NEW_TAB = "open_intents_in_new_tab"
-private const val SWIPE_TO_REFRESH = "swipe_to_refresh"
-private const val DOWNLOAD_WITH_EXTERNAL_APP = "download_with_external_app"
+private const val PREFERENCES_BLOCK_ALL_THIRD_PARTY_REQUESTS = "block_all_third_party_requests"
+private const val PREFERENCES_FONT_SIZE = "font_size"
+private const val PREFERENCES_TABLE = "preferences"
+private const val PREFERENCES_USER_AGENT = "user_agent"
+private const val PROXY = "proxy"
+private const val PROXY_CUSTOM_URL = "proxy_custom_url"
+private const val SAVE_FORM_DATA = "save_form_data"
+private const val SEARCH = "search"
+private const val SEARCH_CUSTOM_URL = "search_custom_url"
 private const val SCROLL_APP_BAR = "scroll_app_bar"
-private const val BOTTOM_APP_BAR = "bottom_app_bar"
-private const val DISPLAY_ADDITIONAL_APP_BAR_ICONS = "display_additional_app_bar_icons"
-private const val APP_THEME = "app_theme"
-private const val WEBVIEW_THEME = "webview_theme"
-private const val WIDE_VIEWPORT = "wide_viewport"
-private const val DISPLAY_WEBPAGE_IMAGES = "display_webpage_images"
+private const val PREFERENCES_SWIPE_TO_REFRESH = "swipe_to_refresh"
+private const val TRACKING_QUERIES = "tracking_queries"
+private const val ULTRAPRIVACY = "ultraprivacy"
 
 class ImportExportDatabaseHelper {
-    // Define the public companion object constants.  These can be moved to public class constants once the entire project has migrated to Kotlin.
-    companion object {
-        // Define the public class constants.
-        const val EXPORT_SUCCESSFUL = "Export Successful"
-        const val IMPORT_SUCCESSFUL = "Import Successful"
-    }
-
     fun importUnencrypted(importFileInputStream: InputStream, context: Context): String {
         return try {
             // Create a temporary import file.
@@ -137,22 +126,23 @@ class ImportExportDatabaseHelper {
 
             // Upgrade from schema version 2, first used in Privacy Browser 2.14, to schema version 3, first used in Privacy Browser 2.15.
             if (importDatabaseVersion < 3) {
-                // Once the SQLite version is >= 3.25.0 (API >= 30) `ALTER TABLE RENAME COLUMN` can be used.  <https://www.sqlite.org/lang_altertable.html> <https://www.sqlite.org/changes.html>
+                // `default_font_size` was renamed `font_size`.
+                // Once the SQLite version is >= 3.25.0 (Android API >= 30) `ALTER TABLE RENAME COLUMN` can be used.  <https://www.sqlite.org/lang_altertable.html> <https://www.sqlite.org/changes.html>
                 // <https://developer.android.com/reference/android/database/sqlite/package-summary>
                 // In the meantime, a new column must be created with the new name.  There is no need to delete the old column on the temporary import database.
 
                 // Create the new font size column.
-                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $FONT_SIZE TEXT")
+                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $PREFERENCES_FONT_SIZE TEXT")
 
                 // Populate the preferences table with the current font size value.
-                importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $FONT_SIZE = default_font_size")
+                importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $PREFERENCES_FONT_SIZE = default_font_size")
             }
 
             // Upgrade from schema version 3, first used in Privacy Browser 2.15, to schema version 4, first used in Privacy Browser 2.16.
             if (importDatabaseVersion < 4) {
                 // Add the Pinned IP Addresses columns to the domains table.
-                importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.PINNED_IP_ADDRESSES + " BOOLEAN")
-                importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.IP_ADDRESSES + " TEXT")
+                importDatabase.execSQL("ALTER TABLE $DOMAINS_TABLE ADD COLUMN $PINNED_IP_ADDRESSES  BOOLEAN")
+                importDatabase.execSQL("ALTER TABLE $DOMAINS_TABLE ADD COLUMN $IP_ADDRESSES TEXT")
             }
 
             // Upgrade from schema version 4, first used in Privacy Browser 2.16, to schema version 5, first used in Privacy Browser 2.17.
@@ -166,19 +156,17 @@ class ImportExportDatabaseHelper {
                 val scrollAppBar = sharedPreferences.getBoolean(SCROLL_APP_BAR, true)
 
                 // Populate the preferences table with the current app bar values.
-                // This can switch to using the variables directly once the API >= 30.  <https://www.sqlite.org/datatype3.html#boolean_datatype>
+                // This can switch to using the variables directly once the minimum API >= 30.  <https://www.sqlite.org/datatype3.html#boolean_datatype>
                 // <https://developer.android.com/reference/android/database/sqlite/package-summary>
-                if (hideAppBar) {
+                if (hideAppBar)
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $HIDE_APP_BAR = 1")
-                } else {
+                else
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $HIDE_APP_BAR = 0")
-                }
 
-                if (scrollAppBar) {
+                if (scrollAppBar)
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $SCROLL_APP_BAR = 1")
-                } else {
+                else
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $SCROLL_APP_BAR = 0")
-                }
             }
 
             // Upgrade from schema version 5, first used in Privacy Browser 2.17, to schema version 6, first used in Privacy Browser 3.0.
@@ -192,65 +180,54 @@ class ImportExportDatabaseHelper {
                 // Populate the preferences table with the current open intents value.
                 // This can switch to using the variables directly once the API >= 30.  <https://www.sqlite.org/datatype3.html#boolean_datatype>
                 // <https://developer.android.com/reference/android/database/sqlite/package-summary>
-                if (openIntentsInNewTab) {
+                if (openIntentsInNewTab)
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $OPEN_INTENTS_IN_NEW_TAB = 1")
-                } else {
+                else
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $OPEN_INTENTS_IN_NEW_TAB = 0")
-                }
             }
 
             // Upgrade from schema version 6, first used in Privacy Browser 3.0, to schema version 7, first used in Privacy Browser 3.1.
             if (importDatabaseVersion < 7) {
+                // Previously this upgrade added `facebook_click_ids` to the Preferences table.  But that is now removed in schema version 15.
+
                 // Add the wide viewport column to the domains table.
-                importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.WIDE_VIEWPORT + " INTEGER")
+                importDatabase.execSQL("ALTER TABLE $DOMAINS_TABLE ADD COLUMN $WIDE_VIEWPORT INTEGER")
 
-                // Add the Google Analytics, Facebook Click IDs, Twitter AMP redirects, and wide viewport columns to the preferences table.
-                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $GOOGLE_ANALYTICS BOOLEAN")
-                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $FACEBOOK_CLICK_IDS BOOLEAN")
-                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $TWITTER_AMP_REDIRECTS BOOLEAN")
+                // Add the Google Analytics, Twitter AMP redirects, and wide viewport columns to the preferences table.
+                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN google_analytics BOOLEAN")
+                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN twitter_amp_redirects BOOLEAN")
                 importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $WIDE_VIEWPORT BOOLEAN")
 
                 // Get the current preference values.
-                val googleAnalytics = sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true)
-                val facebookClickIds = sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true)
-                val twitterAmpRedirects = sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true)
+                val trackingQueries = sharedPreferences.getBoolean(TRACKING_QUERIES, true)
+                val ampRedirects = sharedPreferences.getBoolean(AMP_REDIRECTS, true)
                 val wideViewport = sharedPreferences.getBoolean(WIDE_VIEWPORT, true)
 
-                // Populate the preferences with the current Google Analytics value.
+                // Populate the preferences with the current Tracking Queries value.  Google Analytics was renamed Tracking Queries in schema version 15.
                 // This can switch to using the variables directly once the API >= 30.  <https://www.sqlite.org/datatype3.html#boolean_datatype>
                 // <https://developer.android.com/reference/android/database/sqlite/package-summary>
-                if (googleAnalytics) {
-                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $GOOGLE_ANALYTICS = 1")
-                } else {
-                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $GOOGLE_ANALYTICS = 0")
-                }
+                if (trackingQueries)
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET google_analytics = 1")
+                else
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET google_analytics = 0")
 
-                // Populate the preferences with the current Facebook Click IDs value.
-                if (facebookClickIds) {
-                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $FACEBOOK_CLICK_IDS = 1")
-                } else {
-                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $FACEBOOK_CLICK_IDS = 0")
-                }
-
-                // Populate the preferences table with the current Twitter AMP redirects value.
-                if (twitterAmpRedirects) {
-                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $TWITTER_AMP_REDIRECTS = 1")
-                } else {
-                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $TWITTER_AMP_REDIRECTS = 0")
-                }
+                // Populate the preferences table with the current AMP Redirects value.  Twitter AMP Redirects was renamed AMP Redirects in schema version 15.
+                if (ampRedirects)
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET twitter_amp_redirects = 1")
+                else
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET twitter_amp_redirects = 0")
 
                 // Populate the preferences table with the current wide viewport value.
-                if (wideViewport) {
+                if (wideViewport)
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $WIDE_VIEWPORT = 1")
-                } else {
+                else
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $WIDE_VIEWPORT = 0")
-                }
             }
 
             // Upgrade from schema version 7, first used in Privacy Browser 3.1, to schema version 8, first used in Privacy Browser 3.2.
             if (importDatabaseVersion < 8) {
                 // Add the UltraList column to the tables.
-                importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.ULTRALIST + " BOOLEAN")
+                importDatabase.execSQL("ALTER TABLE $DOMAINS_TABLE ADD COLUMN $ULTRALIST INTEGER")
                 importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $ULTRALIST BOOLEAN")
 
                 // Get the current preference values.
@@ -260,10 +237,10 @@ class ImportExportDatabaseHelper {
                 // This can switch to using the variables directly once the API >= 30.  <https://www.sqlite.org/datatype3.html#boolean_datatype>
                 // <https://developer.android.com/reference/android/database/sqlite/package-summary>
                 if (ultraList) {
-                    importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 1)
+                    importDatabase.execSQL("UPDATE $DOMAINS_TABLE SET $ULTRALIST = 1")
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $ULTRALIST = 1")
                 } else {
-                    importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.ULTRALIST + " = " + 0)
+                    importDatabase.execSQL("UPDATE $DOMAINS_TABLE SET $ULTRALIST = 0")
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $ULTRALIST = 0")
                 }
             }
@@ -325,7 +302,7 @@ class ImportExportDatabaseHelper {
                 }
 
                 // Add the WebView theme to the domains table.  This defaults to 0, which is `System default`, so a separate step isn't needed to populate the database.
-                importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.WEBVIEW_THEME + " INTEGER")
+                importDatabase.execSQL("ALTER TABLE $DOMAINS_TABLE ADD COLUMN $WEBVIEW_THEME INTEGER")
 
                 // Add the WebView theme to the preferences table.
                 importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $WEBVIEW_THEME TEXT")
@@ -348,11 +325,10 @@ class ImportExportDatabaseHelper {
                 // Populate the preferences table with the current clear logcat value.
                 // This can switch to using the variables directly once the API >= 30.  <https://www.sqlite.org/datatype3.html#boolean_datatype>
                 // <https://developer.android.com/reference/android/database/sqlite/package-summary>
-                if (clearLogcat) {
+                if (clearLogcat)
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $CLEAR_LOGCAT = 1")
-                } else {
+                else
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $CLEAR_LOGCAT = 0")
-                }
             }
 
             // Upgrade from schema version 12, first used in Privacy Browser 3.6, to schema version 13, first used in Privacy Browser 3.7.
@@ -361,17 +337,19 @@ class ImportExportDatabaseHelper {
             // Upgrade from schema version 13, first used in Privacy Browser 3.7, to schema version 14, first used in Privacy Browser 3.8.
             if (importDatabaseVersion < 14) {
                 // `enabledthirdpartycookies` was removed from the domains table.  `do_not_track` and `third_party_cookies` were removed from the preferences table.
+                // There is no need to delete the columns as they will simply be ignored by the import.
 
-                // Once the SQLite version is >= 3.25.0 `ALTER TABLE RENAME COLUMN` can be used.  <https://www.sqlite.org/lang_altertable.html> <https://www.sqlite.org/changes.html>
+                // `enablefirstpartycookies` was renamed `cookies`.
+                // Once the SQLite version is >= 3.25.0 (Android API >= 30) `ALTER TABLE RENAME COLUMN` can be used.  <https://www.sqlite.org/lang_altertable.html> <https://www.sqlite.org/changes.html>
                 // <https://developer.android.com/reference/android/database/sqlite/package-summary>
                 // In the meantime, a new column must be created with the new name.  There is no need to delete the old column on the temporary import database.
 
                 // Create the new cookies columns.
-                importDatabase.execSQL("ALTER TABLE " + DomainsDatabaseHelper.DOMAINS_TABLE + " ADD COLUMN " + DomainsDatabaseHelper.COOKIES + " BOOLEAN")
+                importDatabase.execSQL("ALTER TABLE $DOMAINS_TABLE ADD COLUMN $COOKIES INTEGER")
                 importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $COOKIES BOOLEAN")
 
                 // Copy the data from the old cookies columns to the new ones.
-                importDatabase.execSQL("UPDATE " + DomainsDatabaseHelper.DOMAINS_TABLE + " SET " + DomainsDatabaseHelper.COOKIES + " = enablefirstpartycookies")
+                importDatabase.execSQL("UPDATE $DOMAINS_TABLE SET $COOKIES = enablefirstpartycookies")
                 importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $COOKIES = first_party_cookies")
 
                 // Create the new download with external app and bottom app bar columns.
@@ -385,22 +363,40 @@ class ImportExportDatabaseHelper {
                 // Populate the preferences table with the current download with external app value.
                 // This can switch to using the variables directly once the API >= 30.  <https://www.sqlite.org/datatype3.html#boolean_datatype>
                 // <https://developer.android.com/reference/android/database/sqlite/package-summary>
-                if (downloadWithExternalApp) {
+                if (downloadWithExternalApp)
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $DOWNLOAD_WITH_EXTERNAL_APP = 1")
-                } else {
+                else
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $DOWNLOAD_WITH_EXTERNAL_APP = 0")
-                }
 
                 // Populate the preferences table with the current bottom app bar value.
-                if (bottomAppBar) {
+                if (bottomAppBar)
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $BOTTOM_APP_BAR = 1")
-                } else {
+                else
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $BOTTOM_APP_BAR = 0")
-                }
             }
 
+            // Upgrade from schema version 14, first used in Privacy Browser 3.8, to schema version 15, first used in Privacy Browser 3.11.
+            if (importDatabaseVersion < 15) {
+                // `facebook_click_ids` was removed from the preferences table.
+                // There is no need to delete the columns as they will simply be ignored by the import.
+
+                // `x_requested_with_header` was previously added to the preferences and domains tables in this version, but it was removed later in schema version 16.
+
+                // Create the new URL modification columns.
+                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $TRACKING_QUERIES BOOLEAN")
+                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $AMP_REDIRECTS BOOLEAN")
+
+                // Copy the data from the old columns to the new ones.
+                importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $TRACKING_QUERIES = google_analytics")
+                importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $AMP_REDIRECTS = twitter_amp_redirects")
+            }
+
+            // Upgrade from schema version 15, first used in Privacy Browser 3.11, to schema version 16, first used in Privacy Browser 3.12.
+            // This upgrade removed the `x_requested_with_header` from the domains and preferences tables.
+            // There is no need to delete the columns as they will simply be ignored by the import.
+
             // Get a cursor for the bookmarks table.
-            val importBookmarksCursor = importDatabase.rawQuery("SELECT * FROM " + BookmarksDatabaseHelper.BOOKMARKS_TABLE, null)
+            val importBookmarksCursor = importDatabase.rawQuery("SELECT * FROM ${BookmarksDatabaseHelper.BOOKMARKS_TABLE}", null)
 
             // Delete the current bookmarks database.
             context.deleteDatabase(BookmarksDatabaseHelper.BOOKMARKS_DATABASE)
@@ -431,16 +427,92 @@ class ImportExportDatabaseHelper {
                 importBookmarksCursor.moveToNext()
             }
 
+            // Upgrade from schema version 16, first used in Privacy Browser 3.12, to schema version 17, first used in Privacy Browser 3.15.
+            if (importDatabaseVersion < 16) {
+                // Get the current switch default values.
+                val javaScriptDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.javascript_key), false)
+                val cookiesDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.cookies_key), false)
+                val domStorageDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.dom_storage_key), false)
+                val formDataDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.save_form_data_key), false)
+                val easyListDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.easylist_key), true)
+                val easyPrivacyDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.easyprivacy_key), true)
+                val fanboysAnnoyanceListDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.fanboys_annoyance_list_key), true)
+                val fanboysSocialBlockingListDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.fanboys_social_blocking_list), true)
+                val ultraListDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.ultralist_key), true)
+                val ultraPrivacyDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.ultraprivacy_key), true)
+                val blockAllThirdPartyRequestsDefaultValue = sharedPreferences.getBoolean(context.getString(R.string.block_all_third_party_requests_key), false)
+
+                // Get a domains cursor.
+                val importDomainsConversionCursor = importDatabase.rawQuery("SELECT * FROM $DOMAINS_TABLE", null)
+
+                // Get the domains column indexes.
+                val javaScriptColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ENABLE_JAVASCRIPT)
+                val cookiesColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(COOKIES)
+                val domStorageColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ENABLE_DOM_STORAGE)
+                val formDataColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ENABLE_FORM_DATA)
+                val easyListColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ENABLE_EASYLIST)
+                val easyPrivacyColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ENABLE_EASYPRIVACY)
+                val fanboysAnnoyanceListColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_ANNOYANCE_LIST)
+                val fanboysSocialBlockingListColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)
+                val ultraListColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ULTRALIST)
+                val ultraPrivacyColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(ENABLE_ULTRAPRIVACY)
+                val blockAllThirdPartyRequestsColumnIndex = importDomainsConversionCursor.getColumnIndexOrThrow(BLOCK_ALL_THIRD_PARTY_REQUESTS)
+
+                // Convert the domain from the switch booleans to the spinner integers.
+                for (i in 0 until importDomainsConversionCursor.count) {
+                    // Move to the current record.
+                    importDomainsConversionCursor.moveToPosition(i)
+
+                    // Get the domain current values.
+                    val javaScriptDomainCurrentValue = importDomainsConversionCursor.getInt(javaScriptColumnIndex)
+                    val cookiesDomainCurrentValue = importDomainsConversionCursor.getInt(cookiesColumnIndex)
+                    val domStorageDomainCurrentValue = importDomainsConversionCursor.getInt(domStorageColumnIndex)
+                    val formDataDomainCurrentValue = importDomainsConversionCursor.getInt(formDataColumnIndex)
+                    val easyListDomainCurrentValue = importDomainsConversionCursor.getInt(easyListColumnIndex)
+                    val easyPrivacyDomainCurrentValue = importDomainsConversionCursor.getInt(easyPrivacyColumnIndex)
+                    val fanboysAnnoyanceListCurrentValue = importDomainsConversionCursor.getInt(fanboysAnnoyanceListColumnIndex)
+                    val fanboysSocialBlockingListCurrentValue = importDomainsConversionCursor.getInt(fanboysSocialBlockingListColumnIndex)
+                    val ultraListCurrentValue = importDomainsConversionCursor.getInt(ultraListColumnIndex)
+                    val ultraPrivacyCurrentValue = importDomainsConversionCursor.getInt(ultraPrivacyColumnIndex)
+                    val blockAllThirdPartyRequestsCurrentValue = importDomainsConversionCursor.getInt(blockAllThirdPartyRequestsColumnIndex)
+
+                    // Instantiate a domain content values.
+                    val domainContentValues = ContentValues()
+
+                    // Populate the domain content values.
+                    domainContentValues.put(ENABLE_JAVASCRIPT, convertFromSwitchToSpinner(javaScriptDefaultValue, javaScriptDomainCurrentValue))
+                    domainContentValues.put(COOKIES, convertFromSwitchToSpinner(cookiesDefaultValue, cookiesDomainCurrentValue))
+                    domainContentValues.put(ENABLE_DOM_STORAGE, convertFromSwitchToSpinner(domStorageDefaultValue, domStorageDomainCurrentValue))
+                    domainContentValues.put(ENABLE_FORM_DATA, convertFromSwitchToSpinner(formDataDefaultValue, formDataDomainCurrentValue))
+                    domainContentValues.put(ENABLE_EASYLIST, convertFromSwitchToSpinner(easyListDefaultValue, easyListDomainCurrentValue))
+                    domainContentValues.put(ENABLE_EASYPRIVACY, convertFromSwitchToSpinner(easyPrivacyDefaultValue, easyPrivacyDomainCurrentValue))
+                    domainContentValues.put(ENABLE_FANBOYS_ANNOYANCE_LIST, convertFromSwitchToSpinner(fanboysAnnoyanceListDefaultValue, fanboysAnnoyanceListCurrentValue))
+                    domainContentValues.put(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, convertFromSwitchToSpinner(fanboysSocialBlockingListDefaultValue, fanboysSocialBlockingListCurrentValue))
+                    domainContentValues.put(ULTRALIST, convertFromSwitchToSpinner(ultraListDefaultValue, ultraListCurrentValue))
+                    domainContentValues.put(ENABLE_ULTRAPRIVACY, convertFromSwitchToSpinner(ultraPrivacyDefaultValue, ultraPrivacyCurrentValue))
+                    domainContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, convertFromSwitchToSpinner(blockAllThirdPartyRequestsDefaultValue, blockAllThirdPartyRequestsCurrentValue))
+
+                    // Get the current database ID.
+                    val currentDatabaseId = importDomainsConversionCursor.getInt(importDomainsConversionCursor.getColumnIndexOrThrow(ID))
+
+                    // Update the row for the specified database ID.
+                    importDatabase.update(DOMAINS_TABLE, domainContentValues, "$ID = $currentDatabaseId", null)
+                }
+
+                // Close the cursor.
+                importDomainsConversionCursor.close()
+            }
+
             // Close the bookmarks cursor and database.
             importBookmarksCursor.close()
             bookmarksDatabaseHelper.close()
 
 
             // Get a cursor for the domains table.
-            val importDomainsCursor = importDatabase.rawQuery("SELECT * FROM " + DomainsDatabaseHelper.DOMAINS_TABLE + " ORDER BY " + DomainsDatabaseHelper.DOMAIN_NAME + " ASC", null)
+            val importDomainsCursor = importDatabase.rawQuery("SELECT * FROM $DOMAINS_TABLE ORDER BY $DOMAIN_NAME ASC", null)
 
             // Delete the current domains database.
-            context.deleteDatabase(DomainsDatabaseHelper.DOMAINS_DATABASE)
+            context.deleteDatabase(DOMAINS_DATABASE)
 
             // Create a new domains database.
             val domainsDatabaseHelper = DomainsDatabaseHelper(context)
@@ -454,44 +526,35 @@ class ImportExportDatabaseHelper {
                 val domainContentValues = ContentValues()
 
                 // Populate the domain content values.
-                domainContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.DOMAIN_NAME)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)))
-                domainContentValues.put(DomainsDatabaseHelper.COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.COOKIES)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_FORM_DATA)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_EASYLIST)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST,
-                    importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST,
-                    importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)))
-                domainContentValues.put(DomainsDatabaseHelper.ULTRALIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ULTRALIST)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)))
-                domainContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS,
-                    importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)))
-                domainContentValues.put(DomainsDatabaseHelper.USER_AGENT, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.USER_AGENT)))
-                domainContentValues.put(DomainsDatabaseHelper.FONT_SIZE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.FONT_SIZE)))
-                domainContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SWIPE_TO_REFRESH)))
-                domainContentValues.put(DomainsDatabaseHelper.WEBVIEW_THEME, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.WEBVIEW_THEME)))
-                domainContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.WIDE_VIEWPORT)))
-                domainContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.DISPLAY_IMAGES)))
-                domainContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME,
-                    importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION,
-                    importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT,
-                    importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME,
-                    importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION,
-                    importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT,
-                    importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_START_DATE)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_END_DATE)))
-                domainContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)))
-                domainContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.IP_ADDRESSES)))
+                domainContentValues.put(DOMAIN_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(DOMAIN_NAME)))
+                domainContentValues.put(ENABLE_JAVASCRIPT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ENABLE_JAVASCRIPT)))
+                domainContentValues.put(COOKIES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(COOKIES)))
+                domainContentValues.put(ENABLE_DOM_STORAGE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ENABLE_DOM_STORAGE)))
+                domainContentValues.put(ENABLE_FORM_DATA, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ENABLE_FORM_DATA)))
+                domainContentValues.put(ENABLE_EASYLIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ENABLE_EASYLIST)))
+                domainContentValues.put(ENABLE_EASYPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ENABLE_EASYPRIVACY)))
+                domainContentValues.put(ENABLE_FANBOYS_ANNOYANCE_LIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_ANNOYANCE_LIST)))
+                domainContentValues.put(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)))
+                domainContentValues.put(ULTRALIST, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ULTRALIST)))
+                domainContentValues.put(ENABLE_ULTRAPRIVACY, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(ENABLE_ULTRAPRIVACY)))
+                domainContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(BLOCK_ALL_THIRD_PARTY_REQUESTS)))
+                domainContentValues.put(USER_AGENT, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(USER_AGENT)))
+                domainContentValues.put(FONT_SIZE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(FONT_SIZE)))
+                domainContentValues.put(SWIPE_TO_REFRESH, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(SWIPE_TO_REFRESH)))
+                domainContentValues.put(WEBVIEW_THEME, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(WEBVIEW_THEME)))
+                domainContentValues.put(WIDE_VIEWPORT, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(WIDE_VIEWPORT)))
+                domainContentValues.put(DISPLAY_IMAGES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(DISPLAY_IMAGES)))
+                domainContentValues.put(PINNED_SSL_CERTIFICATE, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(PINNED_SSL_CERTIFICATE)))
+                domainContentValues.put(SSL_ISSUED_TO_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_COMMON_NAME)))
+                domainContentValues.put(SSL_ISSUED_TO_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_ORGANIZATION)))
+                domainContentValues.put(SSL_ISSUED_TO_ORGANIZATIONAL_UNIT, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)))
+                domainContentValues.put(SSL_ISSUED_BY_COMMON_NAME, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_COMMON_NAME)))
+                domainContentValues.put(SSL_ISSUED_BY_ORGANIZATION, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_ORGANIZATION)))
+                domainContentValues.put(SSL_ISSUED_BY_ORGANIZATIONAL_UNIT, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)))
+                domainContentValues.put(SSL_START_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndexOrThrow(SSL_START_DATE)))
+                domainContentValues.put(SSL_END_DATE, importDomainsCursor.getLong(importDomainsCursor.getColumnIndexOrThrow(SSL_END_DATE)))
+                domainContentValues.put(PINNED_IP_ADDRESSES, importDomainsCursor.getInt(importDomainsCursor.getColumnIndexOrThrow(PINNED_IP_ADDRESSES)))
+                domainContentValues.put(IP_ADDRESSES, importDomainsCursor.getString(importDomainsCursor.getColumnIndexOrThrow(IP_ADDRESSES)))
 
                 // Insert the content values into the domains database.
                 domainsDatabaseHelper.addDomain(domainContentValues)
@@ -517,7 +580,7 @@ class ImportExportDatabaseHelper {
                 .putBoolean(COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(COOKIES)) == 1)
                 .putBoolean(DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(DOM_STORAGE)) == 1)
                 .putBoolean(SAVE_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(SAVE_FORM_DATA)) == 1)  // Save form data can be removed once the minimum API >= 26.
-                .putString(USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(USER_AGENT)))
+                .putString(PREFERENCES_USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(PREFERENCES_USER_AGENT)))
                 .putString(CUSTOM_USER_AGENT, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(CUSTOM_USER_AGENT)))
                 .putBoolean(INCOGNITO_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(INCOGNITO_MODE)) == 1)
                 .putBoolean(ALLOW_SCREENSHOTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(ALLOW_SCREENSHOTS)) == 1)
@@ -527,10 +590,9 @@ class ImportExportDatabaseHelper {
                 .putBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(FANBOYS_SOCIAL_BLOCKING_LIST)) == 1)
                 .putBoolean(ULTRALIST, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(ULTRALIST)) == 1)
                 .putBoolean(ULTRAPRIVACY, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(ULTRAPRIVACY)) == 1)
-                .putBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(BLOCK_ALL_THIRD_PARTY_REQUESTS)) == 1)
-                .putBoolean(GOOGLE_ANALYTICS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(GOOGLE_ANALYTICS)) == 1)
-                .putBoolean(FACEBOOK_CLICK_IDS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(FACEBOOK_CLICK_IDS)) == 1)
-                .putBoolean(TWITTER_AMP_REDIRECTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(TWITTER_AMP_REDIRECTS)) == 1)
+                .putBoolean(PREFERENCES_BLOCK_ALL_THIRD_PARTY_REQUESTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(PREFERENCES_BLOCK_ALL_THIRD_PARTY_REQUESTS)) == 1)
+                .putBoolean(TRACKING_QUERIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(TRACKING_QUERIES)) == 1)
+                .putBoolean(AMP_REDIRECTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(AMP_REDIRECTS)) == 1)
                 .putString(SEARCH, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(SEARCH)))
                 .putString(SEARCH_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(SEARCH_CUSTOM_URL)))
                 .putString(PROXY, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(PROXY)))
@@ -544,9 +606,9 @@ class ImportExportDatabaseHelper {
                 .putBoolean(CLEAR_LOGCAT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(CLEAR_LOGCAT)) == 1)
                 .putBoolean(CLEAR_CACHE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(CLEAR_CACHE)) == 1)
                 .putString(HOMEPAGE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(HOMEPAGE)))
-                .putString(FONT_SIZE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(FONT_SIZE)))
+                .putString(PREFERENCES_FONT_SIZE, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(PREFERENCES_FONT_SIZE)))
                 .putBoolean(OPEN_INTENTS_IN_NEW_TAB, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(OPEN_INTENTS_IN_NEW_TAB)) == 1)
-                .putBoolean(SWIPE_TO_REFRESH, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(SWIPE_TO_REFRESH)) == 1)
+                .putBoolean(PREFERENCES_SWIPE_TO_REFRESH, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(PREFERENCES_SWIPE_TO_REFRESH)) == 1)
                 .putBoolean(DOWNLOAD_WITH_EXTERNAL_APP, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(DOWNLOAD_WITH_EXTERNAL_APP)) == 1)
                 .putBoolean(SCROLL_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(SCROLL_APP_BAR)) == 1)
                 .putBoolean(BOTTOM_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(BOTTOM_APP_BAR)) == 1)
@@ -581,7 +643,7 @@ class ImportExportDatabaseHelper {
             val temporaryExportDatabase = SQLiteDatabase.openOrCreateDatabase(temporaryExportFile, null)
 
             // Set the temporary export database version number.
-            temporaryExportDatabase.version = SCHEMA_VERSION
+            temporaryExportDatabase.version = IMPORT_EXPORT_SCHEMA_VERSION
 
 
             // Create the temporary export database bookmarks table.
@@ -622,7 +684,7 @@ class ImportExportDatabaseHelper {
 
 
             // Create the temporary export database domains table.
-            temporaryExportDatabase.execSQL(DomainsDatabaseHelper.CREATE_DOMAINS_TABLE)
+            temporaryExportDatabase.execSQL(CREATE_DOMAINS_TABLE)
 
             // Open the domains database.
             val domainsDatabaseHelper = DomainsDatabaseHelper(context)
@@ -639,41 +701,38 @@ class ImportExportDatabaseHelper {
                 val domainContentValues = ContentValues()
 
                 // Populate the domain content values.
-                domainContentValues.put(DomainsDatabaseHelper.DOMAIN_NAME, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.DOMAIN_NAME)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_JAVASCRIPT, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)))
-                domainContentValues.put(DomainsDatabaseHelper.COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.COOKIES)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_DOM_STORAGE, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_FORM_DATA, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_FORM_DATA)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_EASYLIST, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_EASYLIST)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_EASYPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST,
-                    domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)))
-                domainContentValues.put(DomainsDatabaseHelper.ULTRALIST, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ULTRALIST)))
-                domainContentValues.put(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)))
-                domainContentValues.put(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)))
-                domainContentValues.put(DomainsDatabaseHelper.USER_AGENT, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.USER_AGENT)))
-                domainContentValues.put(DomainsDatabaseHelper.FONT_SIZE, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.FONT_SIZE)))
-                domainContentValues.put(DomainsDatabaseHelper.SWIPE_TO_REFRESH, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SWIPE_TO_REFRESH)))
-                domainContentValues.put(DomainsDatabaseHelper.WEBVIEW_THEME, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.WEBVIEW_THEME)))
-                domainContentValues.put(DomainsDatabaseHelper.WIDE_VIEWPORT, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.WIDE_VIEWPORT)))
-                domainContentValues.put(DomainsDatabaseHelper.DISPLAY_IMAGES, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.DISPLAY_IMAGES)))
-                domainContentValues.put(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT,
-                    domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT,
-                    domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_START_DATE, domainsCursor.getLong(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_START_DATE)))
-                domainContentValues.put(DomainsDatabaseHelper.SSL_END_DATE, domainsCursor.getLong(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.SSL_END_DATE)))
-                domainContentValues.put(DomainsDatabaseHelper.PINNED_IP_ADDRESSES, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)))
-                domainContentValues.put(DomainsDatabaseHelper.IP_ADDRESSES, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper.IP_ADDRESSES)))
+                domainContentValues.put(DOMAIN_NAME, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(DOMAIN_NAME)))
+                domainContentValues.put(ENABLE_JAVASCRIPT, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ENABLE_JAVASCRIPT)))
+                domainContentValues.put(COOKIES, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(COOKIES)))
+                domainContentValues.put(ENABLE_DOM_STORAGE, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ENABLE_DOM_STORAGE)))
+                domainContentValues.put(ENABLE_FORM_DATA, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ENABLE_FORM_DATA)))
+                domainContentValues.put(ENABLE_EASYLIST, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ENABLE_EASYLIST)))
+                domainContentValues.put(ENABLE_EASYPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ENABLE_EASYPRIVACY)))
+                domainContentValues.put(ENABLE_FANBOYS_ANNOYANCE_LIST, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_ANNOYANCE_LIST)))
+                domainContentValues.put(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)))
+                domainContentValues.put(ULTRALIST, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ULTRALIST)))
+                domainContentValues.put(ENABLE_ULTRAPRIVACY, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(ENABLE_ULTRAPRIVACY)))
+                domainContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(BLOCK_ALL_THIRD_PARTY_REQUESTS)))
+                domainContentValues.put(USER_AGENT, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(USER_AGENT)))
+                domainContentValues.put(FONT_SIZE, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(FONT_SIZE)))
+                domainContentValues.put(SWIPE_TO_REFRESH, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(SWIPE_TO_REFRESH)))
+                domainContentValues.put(WEBVIEW_THEME, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(WEBVIEW_THEME)))
+                domainContentValues.put(WIDE_VIEWPORT, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(WIDE_VIEWPORT)))
+                domainContentValues.put(DISPLAY_IMAGES, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DISPLAY_IMAGES)))
+                domainContentValues.put(PINNED_SSL_CERTIFICATE, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(PINNED_SSL_CERTIFICATE)))
+                domainContentValues.put(SSL_ISSUED_TO_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_COMMON_NAME)))
+                domainContentValues.put(SSL_ISSUED_TO_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_ORGANIZATION)))
+                domainContentValues.put(SSL_ISSUED_TO_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)))
+                domainContentValues.put(SSL_ISSUED_BY_COMMON_NAME, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_COMMON_NAME)))
+                domainContentValues.put(SSL_ISSUED_BY_ORGANIZATION, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_ORGANIZATION)))
+                domainContentValues.put(SSL_ISSUED_BY_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)))
+                domainContentValues.put(SSL_START_DATE, domainsCursor.getLong(domainsCursor.getColumnIndexOrThrow(SSL_START_DATE)))
+                domainContentValues.put(SSL_END_DATE, domainsCursor.getLong(domainsCursor.getColumnIndexOrThrow(SSL_END_DATE)))
+                domainContentValues.put(PINNED_IP_ADDRESSES, domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(PINNED_IP_ADDRESSES)))
+                domainContentValues.put(IP_ADDRESSES, domainsCursor.getString(domainsCursor.getColumnIndexOrThrow(IP_ADDRESSES)))
 
                 // Insert the content values into the temporary export database.
-                temporaryExportDatabase.insert(DomainsDatabaseHelper.DOMAINS_TABLE, null, domainContentValues)
+                temporaryExportDatabase.insert(DOMAINS_TABLE, null, domainContentValues)
 
                 // Advance to the next record.
                 domainsCursor.moveToNext()
@@ -685,50 +744,49 @@ class ImportExportDatabaseHelper {
 
 
             // Prepare the preferences table SQL creation string.
-            val createPreferencesTable = "CREATE TABLE " + PREFERENCES_TABLE + " (" +
-                    ID + " INTEGER PRIMARY KEY, " +
-                    JAVASCRIPT + " BOOLEAN, " +
-                    COOKIES + " BOOLEAN, " +
-                    DOM_STORAGE + " BOOLEAN, " +
-                    SAVE_FORM_DATA + " BOOLEAN, " +
-                    USER_AGENT + " TEXT, " +
-                    CUSTOM_USER_AGENT + " TEXT, " +
-                    INCOGNITO_MODE + " BOOLEAN, " +
-                    ALLOW_SCREENSHOTS + " BOOLEAN, " +
-                    EASYLIST + " BOOLEAN, " +
-                    EASYPRIVACY + " BOOLEAN, " +
-                    FANBOYS_ANNOYANCE_LIST + " BOOLEAN, " +
-                    FANBOYS_SOCIAL_BLOCKING_LIST + " BOOLEAN, " +
-                    ULTRALIST + " BOOLEAN, " +
-                    ULTRAPRIVACY + " BOOLEAN, " +
-                    BLOCK_ALL_THIRD_PARTY_REQUESTS + " BOOLEAN, " +
-                    GOOGLE_ANALYTICS + " BOOLEAN, " +
-                    FACEBOOK_CLICK_IDS + " BOOLEAN, " +
-                    TWITTER_AMP_REDIRECTS + " BOOLEAN, " +
-                    SEARCH + " TEXT, " +
-                    SEARCH_CUSTOM_URL + " TEXT, " +
-                    PROXY + " TEXT, " +
-                    PROXY_CUSTOM_URL + " TEXT, " +
-                    FULL_SCREEN_BROWSING_MODE + " BOOLEAN, " +
-                    HIDE_APP_BAR + " BOOLEAN, " +
-                    CLEAR_EVERYTHING + " BOOLEAN, " +
-                    CLEAR_COOKIES + " BOOLEAN, " +
-                    CLEAR_DOM_STORAGE + " BOOLEAN, " +
-                    CLEAR_FORM_DATA + " BOOLEAN, " +
-                    CLEAR_LOGCAT + " BOOLEAN, " +
-                    CLEAR_CACHE + " BOOLEAN, " +
-                    HOMEPAGE + " TEXT, " +
-                    FONT_SIZE + " TEXT, " +
-                    OPEN_INTENTS_IN_NEW_TAB + " BOOLEAN, " +
-                    SWIPE_TO_REFRESH + " BOOLEAN, " +
-                    DOWNLOAD_WITH_EXTERNAL_APP + " BOOLEAN, " +
-                    SCROLL_APP_BAR + " BOOLEAN, " +
-                    BOTTOM_APP_BAR + " BOOLEAN, " +
-                    DISPLAY_ADDITIONAL_APP_BAR_ICONS + " BOOLEAN, " +
-                    APP_THEME + " TEXT, " +
-                    WEBVIEW_THEME + " TEXT, " +
-                    WIDE_VIEWPORT + " BOOLEAN, " +
-                    DISPLAY_WEBPAGE_IMAGES + " BOOLEAN)"
+            val createPreferencesTable = "CREATE TABLE $PREFERENCES_TABLE (" +
+                    "$ID INTEGER PRIMARY KEY, " +
+                    "$JAVASCRIPT BOOLEAN, " +
+                    "$COOKIES BOOLEAN, " +
+                    "$DOM_STORAGE BOOLEAN, " +
+                    "$SAVE_FORM_DATA BOOLEAN, " +
+                    "$PREFERENCES_USER_AGENT TEXT, " +
+                    "$CUSTOM_USER_AGENT TEXT, " +
+                    "$INCOGNITO_MODE BOOLEAN, " +
+                    "$ALLOW_SCREENSHOTS BOOLEAN, " +
+                    "$EASYLIST BOOLEAN, " +
+                    "$EASYPRIVACY BOOLEAN, " +
+                    "$FANBOYS_ANNOYANCE_LIST BOOLEAN, " +
+                    "$FANBOYS_SOCIAL_BLOCKING_LIST BOOLEAN, " +
+                    "$ULTRALIST BOOLEAN, " +
+                    "$ULTRAPRIVACY BOOLEAN, " +
+                    "$PREFERENCES_BLOCK_ALL_THIRD_PARTY_REQUESTS BOOLEAN, " +
+                    "$TRACKING_QUERIES BOOLEAN, " +
+                    "$AMP_REDIRECTS BOOLEAN, " +
+                    "$SEARCH TEXT, " +
+                    "$SEARCH_CUSTOM_URL TEXT, " +
+                    "$PROXY TEXT, " +
+                    "$PROXY_CUSTOM_URL TEXT, " +
+                    "$FULL_SCREEN_BROWSING_MODE BOOLEAN, " +
+                    "$HIDE_APP_BAR BOOLEAN, " +
+                    "$CLEAR_EVERYTHING BOOLEAN, " +
+                    "$CLEAR_COOKIES BOOLEAN, " +
+                    "$CLEAR_DOM_STORAGE BOOLEAN, " +
+                    "$CLEAR_FORM_DATA BOOLEAN, " +
+                    "$CLEAR_LOGCAT BOOLEAN, " +
+                    "$CLEAR_CACHE BOOLEAN, " +
+                    "$HOMEPAGE TEXT, " +
+                    "$PREFERENCES_FONT_SIZE TEXT, " +
+                    "$OPEN_INTENTS_IN_NEW_TAB BOOLEAN, " +
+                    "$PREFERENCES_SWIPE_TO_REFRESH BOOLEAN, " +
+                    "$DOWNLOAD_WITH_EXTERNAL_APP BOOLEAN, " +
+                    "$SCROLL_APP_BAR BOOLEAN, " +
+                    "$BOTTOM_APP_BAR BOOLEAN, " +
+                    "$DISPLAY_ADDITIONAL_APP_BAR_ICONS BOOLEAN, " +
+                    "$APP_THEME TEXT, " +
+                    "$WEBVIEW_THEME TEXT, " +
+                    "$WIDE_VIEWPORT BOOLEAN, " +
+                    "$DISPLAY_WEBPAGE_IMAGES BOOLEAN)"
 
             // Create the temporary export database preferences table.
             temporaryExportDatabase.execSQL(createPreferencesTable)
@@ -744,7 +802,7 @@ class ImportExportDatabaseHelper {
             preferencesContentValues.put(COOKIES, sharedPreferences.getBoolean(COOKIES, false))
             preferencesContentValues.put(DOM_STORAGE, sharedPreferences.getBoolean(DOM_STORAGE, false))
             preferencesContentValues.put(SAVE_FORM_DATA, sharedPreferences.getBoolean(SAVE_FORM_DATA, false))  // Save form data can be removed once the minimum API >= 26.
-            preferencesContentValues.put(USER_AGENT, sharedPreferences.getString(USER_AGENT, context.getString(R.string.user_agent_default_value)))
+            preferencesContentValues.put(PREFERENCES_USER_AGENT, sharedPreferences.getString(PREFERENCES_USER_AGENT, context.getString(R.string.user_agent_default_value)))
             preferencesContentValues.put(CUSTOM_USER_AGENT, sharedPreferences.getString(CUSTOM_USER_AGENT, context.getString(R.string.custom_user_agent_default_value)))
             preferencesContentValues.put(INCOGNITO_MODE, sharedPreferences.getBoolean(INCOGNITO_MODE, false))
             preferencesContentValues.put(ALLOW_SCREENSHOTS, sharedPreferences.getBoolean(ALLOW_SCREENSHOTS, false))
@@ -754,10 +812,9 @@ class ImportExportDatabaseHelper {
             preferencesContentValues.put(FANBOYS_SOCIAL_BLOCKING_LIST, sharedPreferences.getBoolean(FANBOYS_SOCIAL_BLOCKING_LIST, true))
             preferencesContentValues.put(ULTRALIST, sharedPreferences.getBoolean(ULTRALIST, true))
             preferencesContentValues.put(ULTRAPRIVACY, sharedPreferences.getBoolean(ULTRAPRIVACY, true))
-            preferencesContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, sharedPreferences.getBoolean(BLOCK_ALL_THIRD_PARTY_REQUESTS, false))
-            preferencesContentValues.put(GOOGLE_ANALYTICS, sharedPreferences.getBoolean(GOOGLE_ANALYTICS, true))
-            preferencesContentValues.put(FACEBOOK_CLICK_IDS, sharedPreferences.getBoolean(FACEBOOK_CLICK_IDS, true))
-            preferencesContentValues.put(TWITTER_AMP_REDIRECTS, sharedPreferences.getBoolean(TWITTER_AMP_REDIRECTS, true))
+            preferencesContentValues.put(PREFERENCES_BLOCK_ALL_THIRD_PARTY_REQUESTS, sharedPreferences.getBoolean(PREFERENCES_BLOCK_ALL_THIRD_PARTY_REQUESTS, false))
+            preferencesContentValues.put(TRACKING_QUERIES, sharedPreferences.getBoolean(TRACKING_QUERIES, true))
+            preferencesContentValues.put(AMP_REDIRECTS, sharedPreferences.getBoolean(AMP_REDIRECTS, true))
             preferencesContentValues.put(SEARCH, sharedPreferences.getString(SEARCH, context.getString(R.string.search_default_value)))
             preferencesContentValues.put(SEARCH_CUSTOM_URL, sharedPreferences.getString(SEARCH_CUSTOM_URL, context.getString(R.string.search_custom_url_default_value)))
             preferencesContentValues.put(PROXY, sharedPreferences.getString(PROXY, context.getString(R.string.proxy_default_value)))
@@ -771,9 +828,9 @@ class ImportExportDatabaseHelper {
             preferencesContentValues.put(CLEAR_LOGCAT, sharedPreferences.getBoolean(CLEAR_LOGCAT, true))
             preferencesContentValues.put(CLEAR_CACHE, sharedPreferences.getBoolean(CLEAR_CACHE, true))
             preferencesContentValues.put(HOMEPAGE, sharedPreferences.getString(HOMEPAGE, context.getString(R.string.homepage_default_value)))
-            preferencesContentValues.put(FONT_SIZE, sharedPreferences.getString(FONT_SIZE, context.getString(R.string.font_size_default_value)))
+            preferencesContentValues.put(PREFERENCES_FONT_SIZE, sharedPreferences.getString(PREFERENCES_FONT_SIZE, context.getString(R.string.font_size_default_value)))
             preferencesContentValues.put(OPEN_INTENTS_IN_NEW_TAB, sharedPreferences.getBoolean(OPEN_INTENTS_IN_NEW_TAB, true))
-            preferencesContentValues.put(SWIPE_TO_REFRESH, sharedPreferences.getBoolean(SWIPE_TO_REFRESH, true))
+            preferencesContentValues.put(PREFERENCES_SWIPE_TO_REFRESH, sharedPreferences.getBoolean(PREFERENCES_SWIPE_TO_REFRESH, true))
             preferencesContentValues.put(DOWNLOAD_WITH_EXTERNAL_APP, sharedPreferences.getBoolean(DOWNLOAD_WITH_EXTERNAL_APP, false))
             preferencesContentValues.put(SCROLL_APP_BAR, sharedPreferences.getBoolean(SCROLL_APP_BAR, true))
             preferencesContentValues.put(BOTTOM_APP_BAR, sharedPreferences.getBoolean(BOTTOM_APP_BAR, false))
@@ -826,4 +883,16 @@ class ImportExportDatabaseHelper {
             exception.toString()
         }
     }
-}
\ No newline at end of file
+
+    // This method is used to convert the old domain settings switches to spinners.
+    private fun convertFromSwitchToSpinner(systemDefault: Boolean, currentDatabaseInteger: Int): Int {
+        // Return the new spinner integer.
+        return if ((!systemDefault && (currentDatabaseInteger == 0)) ||
+            (systemDefault && (currentDatabaseInteger == 1)))  // The system default is currently selected.
+            SYSTEM_DEFAULT
+        else if (currentDatabaseInteger == 0)  // The switch is currently disabled and that is not the system default.
+            DISABLED
+        else  // The switch is currently enabled and that is not the system default.
+            ENABLED
+    }
+}