]> gitweb.stoutner.com Git - PrivacyBrowserAndroid.git/blobdiff - app/src/main/java/com/stoutner/privacybrowser/helpers/ImportExportDatabaseHelper.kt
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[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / helpers / ImportExportDatabaseHelper.kt
index 55729ff2a6286e8aee24a2c5d2649fcc1ea1f8c7..0b040748dbfad1112dd3e29c80c51ac0c1f16516 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2023 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2018-2024 Soren Stoutner <soren@stoutner.com>.
  *
  * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
  *
@@ -27,6 +27,7 @@ import android.database.sqlite.SQLiteDatabase
 import androidx.preference.PreferenceManager
 
 import com.stoutner.privacybrowser.R
+import com.stoutner.privacybrowser.activities.HOME_FOLDER_ID
 
 import java.io.File
 import java.io.FileInputStream
@@ -34,10 +35,12 @@ import java.io.FileOutputStream
 import java.io.InputStream
 import java.io.OutputStream
 
+import java.util.Date
+
 // Define the public constants.
+const val IMPORT_EXPORT_SCHEMA_VERSION = 19
 const val EXPORT_SUCCESSFUL = "A"
 const val IMPORT_SUCCESSFUL = "B"
-const val IMPORT_EXPORT_SCHEMA_VERSION = 17
 
 // Define the private class constants.
 private const val ALLOW_SCREENSHOTS = "allow_screenshots"
@@ -48,13 +51,13 @@ 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_UNDER_CUTOUTS = "display_under_cutouts"
 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 DOWNLOAD_PROVIDER = "download_provider"
 private const val EASYLIST = "easylist"
 private const val EASYPRIVACY = "easyprivacy"
 private const val FANBOYS_ANNOYANCE_LIST = "fanboys_annoyance_list"
@@ -71,7 +74,6 @@ 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"
@@ -353,22 +355,27 @@ class ImportExportDatabaseHelper {
                 importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $COOKIES = first_party_cookies")
 
                 // Create the new download with external app and bottom app bar columns.
-                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $DOWNLOAD_WITH_EXTERNAL_APP BOOLEAN")
+                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN download_with_external_app BOOLEAN")
                 importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $BOTTOM_APP_BAR BOOLEAN")
 
                 // Get the current values for the new columns.
-                val downloadWithExternalApp = sharedPreferences.getBoolean(DOWNLOAD_WITH_EXTERNAL_APP, false)
                 val bottomAppBar = sharedPreferences.getBoolean(BOTTOM_APP_BAR, false)
+                val downloadProviderString = sharedPreferences.getString(DOWNLOAD_PROVIDER, context.getString(R.string.download_provider_default_value))
 
-                // 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)
-                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $DOWNLOAD_WITH_EXTERNAL_APP = 1")
-                else
-                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $DOWNLOAD_WITH_EXTERNAL_APP = 0")
+                // Get the download provider entry values string array.
+                val tempDownloadProviderEntryValuesStringArray = context.resources.getStringArray(R.array.download_provider_entry_values)
+
+                // Populate the new download with external app preference.  It was added in this version of the schema, but removed in version 18.
+                // The new preference, `download_provider`, converts `download_with_external_app`, so it needs to exist.
+                // This code sets `download_with_external_app` to be as similar as possible to the current preference in the settings.
+                if (downloadProviderString == tempDownloadProviderEntryValuesStringArray[0])  // Download with Privacy Browser.
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET download_with_external_app = 0")
+                else  // Download with external app.
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET download_with_external_app = 1")
 
                 // Populate the preferences table with the current bottom app bar 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 (bottomAppBar)
                     importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $BOTTOM_APP_BAR = 1")
                 else
@@ -392,48 +399,102 @@ class ImportExportDatabaseHelper {
             }
 
             // 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.
+            // This upgrade removed `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)
+            // 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 < 17) {
+                // This upgrade removed `parentfolder` from the Bookmarks table.
+                // There is no need to delete the column as they will simply be ignored by the import.
 
-            // Delete the current bookmarks database.
-            context.deleteDatabase(BookmarksDatabaseHelper.BOOKMARKS_DATABASE)
+                // Add the folder ID column.
+                importDatabase.execSQL("ALTER TABLE $BOOKMARKS_TABLE ADD COLUMN $FOLDER_ID INTEGER")
 
-            // Create a new bookmarks database.
-            val bookmarksDatabaseHelper = BookmarksDatabaseHelper(context)
+                // Get a cursor with all the folders.
+                val foldersCursor = importDatabase.rawQuery("SELECT $ID FROM $BOOKMARKS_TABLE WHERE $IS_FOLDER = 1", null)
 
-            // Move to the first record.
-            importBookmarksCursor.moveToFirst()
+                // Get the folders cursor ID column index.
+                val foldersCursorIdColumnIndex = foldersCursor.getColumnIndexOrThrow(ID)
 
-            // Copy the data from the import bookmarks cursor into the bookmarks database.
-            for (i in 0 until importBookmarksCursor.count) {
-                // Create a bookmark content values.
-                val bookmarkContentValues = ContentValues()
+                // Add a folder ID to each folder.
+                while(foldersCursor.moveToNext()) {
+                    // Get the current folder database ID.
+                    val databaseId = foldersCursor.getInt(foldersCursorIdColumnIndex)
 
-                // Add the information for this bookmark to the content values.
-                bookmarkContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_URL)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, importBookmarksCursor.getString(importBookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.PARENT_FOLDER)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.DISPLAY_ORDER)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, importBookmarksCursor.getInt(importBookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.IS_FOLDER)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, importBookmarksCursor.getBlob(importBookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.FAVORITE_ICON)))
+                    // Generate a folder ID.
+                    val folderId = generateFolderId(importDatabase)
 
-                // Insert the content values into the bookmarks database.
-                bookmarksDatabaseHelper.createBookmark(bookmarkContentValues)
+                    // Create a folder content values.
+                    val folderContentValues = ContentValues()
 
-                // Advance to the next record.
-                importBookmarksCursor.moveToNext()
-            }
+                    // Store the new folder ID in the content values.
+                    folderContentValues.put(FOLDER_ID, folderId)
+
+                    // Update the folder with the new folder ID.
+                    importDatabase.update(BOOKMARKS_TABLE, folderContentValues, "$ID = $databaseId", null)
+                }
+
+                // Close the folders cursor.
+                foldersCursor.close()
+
+
+                // Add the parent folder ID column.
+                importDatabase.execSQL("ALTER TABLE $BOOKMARKS_TABLE ADD COLUMN $PARENT_FOLDER_ID INTEGER")
+
+                // Get a cursor with all the bookmarks.
+                val bookmarksCursor = importDatabase.rawQuery("SELECT $ID, parentfolder FROM $BOOKMARKS_TABLE", null)
+
+                // Get the bookmarks cursor ID column index.
+                val bookmarksCursorIdColumnIndex = bookmarksCursor.getColumnIndexOrThrow(ID)
+                val bookmarksCursorParentFolderColumnIndex = bookmarksCursor.getColumnIndexOrThrow("parentfolder")
+
+                // Populate the parent folder ID for each bookmark.
+                while(bookmarksCursor.moveToNext()) {
+                    // Get the information from the cursor.
+                    val databaseId = bookmarksCursor.getInt(bookmarksCursorIdColumnIndex)
+                    val oldParentFolderString = bookmarksCursor.getString(bookmarksCursorParentFolderColumnIndex)
+
+                    // Initialize the new parent folder ID.
+                    var newParentFolderId = HOME_FOLDER_ID
+
+                    // Get the parent folder ID if the bookmark is not in the home folder.
+                    if (oldParentFolderString.isNotEmpty()) {
+                        // SQL escape the old parent folder string.
+                        val sqlEscapedFolderName = DatabaseUtils.sqlEscapeString(oldParentFolderString)
+
+                        // Get the parent folder cursor.
+                        val parentFolderCursor = importDatabase.rawQuery("SELECT $FOLDER_ID FROM $BOOKMARKS_TABLE WHERE $BOOKMARK_NAME = $sqlEscapedFolderName AND $IS_FOLDER = 1", null)
+
+                        // Get the new parent folder ID if it exists.
+                        if (parentFolderCursor.count > 0) {
+                            // Move to the first entry.
+                            parentFolderCursor.moveToFirst()
+
+                            // Get the new parent folder ID.
+                            newParentFolderId = parentFolderCursor.getLong(parentFolderCursor.getColumnIndexOrThrow(FOLDER_ID))
+                        }
+
+                        // Close the parent folder cursor.
+                        parentFolderCursor.close()
+                    }
+
+                    // Create a bookmark content values.
+                    val bookmarkContentValues = ContentValues()
+
+                    // Store the new parent folder ID in the content values.
+                    bookmarkContentValues.put(PARENT_FOLDER_ID, newParentFolderId)
+
+                    // Update the folder with the new folder ID.
+                    importDatabase.update(BOOKMARKS_TABLE, bookmarkContentValues, "$ID = $databaseId", null)
+                }
+
+                // Close the bookmarks cursor.
+                bookmarksCursor.close()
 
-            // 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)
@@ -449,7 +510,6 @@ class ImportExportDatabaseHelper {
                 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)
@@ -467,7 +527,6 @@ class ImportExportDatabaseHelper {
                     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)
@@ -483,7 +542,6 @@ class ImportExportDatabaseHelper {
                     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))
@@ -503,6 +561,95 @@ class ImportExportDatabaseHelper {
                 importDomainsConversionCursor.close()
             }
 
+            // Upgrade from schema version 17, first used in Privacy Browser 3.15, to schema version 18, first used in Privacy Browser 3.17.
+            if (importDatabaseVersion < 18) {
+                // Create the new columns.
+                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $DISPLAY_UNDER_CUTOUTS BOOLEAN")
+                importDatabase.execSQL("ALTER TABLE $PREFERENCES_TABLE ADD COLUMN $DOWNLOAD_PROVIDER TEXT")
+
+                // Get the current display under cutout value.
+                val displayUnderCutouts = sharedPreferences.getBoolean(DISPLAY_UNDER_CUTOUTS, false)
+
+                // Populate the preferences table with the current display under cutouts value.
+                // 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 (displayUnderCutouts)
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $DISPLAY_UNDER_CUTOUTS = 1")
+                else
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $DISPLAY_UNDER_CUTOUTS = 0")
+
+                // Get the download with external app cursor.
+                val downloadWithExternalAppCursor = importDatabase.rawQuery("SELECT download_with_external_app FROM $PREFERENCES_TABLE", null)
+
+                // Move to the first entry.
+                downloadWithExternalAppCursor.moveToFirst()
+
+                // Get the old download with external app setting.
+                val downloadWithExternalApp = (downloadWithExternalAppCursor.getInt(downloadWithExternalAppCursor.getColumnIndexOrThrow("download_with_external_app")) == 1)
+
+                // Close the cursor.
+                downloadWithExternalAppCursor.close()
+
+                // Get the download provider entry values string array.
+                val downloadProviderEntryValuesStringArray = context.resources.getStringArray(R.array.download_provider_entry_values)
+
+                // Populate the new download provider preference.
+                if (downloadWithExternalApp)  // Download with external app.
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $DOWNLOAD_PROVIDER = '${downloadProviderEntryValuesStringArray[2]}'")
+                else  // Download with Privacy Browser.
+                    importDatabase.execSQL("UPDATE $PREFERENCES_TABLE SET $DOWNLOAD_PROVIDER = '${downloadProviderEntryValuesStringArray[0]}'")
+            }
+
+            // Upgrade from schema version 18, first used in Privacy Browser 3.17, to schema version 19, first used in Privacy Browser 3.18.
+            // This upgrade removed `enableformdata` from the Domains table and `save_form_data` and `clear_form_data` from the Preferences table.
+            // There is no need to delete the columns as they will simply be ignored by the import.
+
+
+            /* End of database upgrade logic. */
+
+
+            // Get a cursor for the bookmarks table.
+            val importBookmarksCursor = importDatabase.rawQuery("SELECT * FROM $BOOKMARKS_TABLE", null)
+
+            // Delete the current bookmarks database.
+            context.deleteDatabase(BOOKMARKS_DATABASE)
+
+            // Create a new bookmarks database.
+            val bookmarksDatabaseHelper = BookmarksDatabaseHelper(context)
+
+            // Move to the first record.
+            importBookmarksCursor.moveToFirst()
+
+            // Get the bookmarks colum indexes.
+            val bookmarkNameColumnIndex = importBookmarksCursor.getColumnIndexOrThrow(BOOKMARK_NAME)
+            val bookmarkUrlColumnIndex = importBookmarksCursor.getColumnIndexOrThrow(BOOKMARK_URL)
+            val bookmarkParentFolderIdColumnIndex = importBookmarksCursor.getColumnIndexOrThrow(PARENT_FOLDER_ID)
+            val bookmarkDisplayOrderColumnIndex = importBookmarksCursor.getColumnIndexOrThrow(DISPLAY_ORDER)
+            val bookmarkIsFolderColumnIndex = importBookmarksCursor.getColumnIndexOrThrow(IS_FOLDER)
+            val bookmarkFolderIdColumnIndex = importBookmarksCursor.getColumnIndexOrThrow(FOLDER_ID)
+            val bookmarkFavoriteIconColumnIndex = importBookmarksCursor.getColumnIndexOrThrow(FAVORITE_ICON)
+
+            // Copy the data from the import bookmarks cursor into the bookmarks database.
+            for (i in 0 until importBookmarksCursor.count) {
+                // Create a bookmark content values.
+                val bookmarkContentValues = ContentValues()
+
+                // Add the information for this bookmark to the content values.
+                bookmarkContentValues.put(BOOKMARK_NAME, importBookmarksCursor.getString(bookmarkNameColumnIndex))
+                bookmarkContentValues.put(BOOKMARK_URL, importBookmarksCursor.getString(bookmarkUrlColumnIndex))
+                bookmarkContentValues.put(PARENT_FOLDER_ID, importBookmarksCursor.getLong(bookmarkParentFolderIdColumnIndex))
+                bookmarkContentValues.put(DISPLAY_ORDER, importBookmarksCursor.getInt(bookmarkDisplayOrderColumnIndex))
+                bookmarkContentValues.put(IS_FOLDER, importBookmarksCursor.getInt(bookmarkIsFolderColumnIndex))
+                bookmarkContentValues.put(FOLDER_ID, importBookmarksCursor.getLong(bookmarkFolderIdColumnIndex))
+                bookmarkContentValues.put(FAVORITE_ICON, importBookmarksCursor.getBlob(bookmarkFavoriteIconColumnIndex))
+
+                // Insert the content values into the bookmarks database.
+                bookmarksDatabaseHelper.createBookmark(bookmarkContentValues)
+
+                // Advance to the next record.
+                importBookmarksCursor.moveToNext()
+            }
+
             // Close the bookmarks cursor and database.
             importBookmarksCursor.close()
             bookmarksDatabaseHelper.close()
@@ -520,41 +667,70 @@ class ImportExportDatabaseHelper {
             // Move to the first record.
             importDomainsCursor.moveToFirst()
 
+            // Get the domain column indexes.
+            val domainNameColumnIndex = importDomainsCursor.getColumnIndexOrThrow(DOMAIN_NAME)
+            val domainJavaScriptColumnIndex = importDomainsCursor.getColumnIndexOrThrow(ENABLE_JAVASCRIPT)
+            val domainCookiesColumnIndex = importDomainsCursor.getColumnIndexOrThrow(COOKIES)
+            val domainDomStorageColumnIndex = importDomainsCursor.getColumnIndexOrThrow(ENABLE_DOM_STORAGE)
+            val domainEasyListColumnIndex = importDomainsCursor.getColumnIndexOrThrow(ENABLE_EASYLIST)
+            val domainEasyPrivacyColumnIndex = importDomainsCursor.getColumnIndexOrThrow(ENABLE_EASYPRIVACY)
+            val domainFanboysAnnoyanceListColumnIndex = importDomainsCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_ANNOYANCE_LIST)
+            val domainFanboysSocialBlockingListColumnIndex = importDomainsCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)
+            val domainUltraListColumnIndex = importDomainsCursor.getColumnIndexOrThrow(ULTRALIST)
+            val domainUltraPrivacyColumnIndex = importDomainsCursor.getColumnIndexOrThrow(ENABLE_EASYPRIVACY)
+            val domainBlockAllThirdPartyRequestsColumnIndex = importDomainsCursor.getColumnIndexOrThrow(BLOCK_ALL_THIRD_PARTY_REQUESTS)
+            val domainUserAgentColumnIndex = importDomainsCursor.getColumnIndexOrThrow(USER_AGENT)
+            val domainFontSizeColumnIndex = importDomainsCursor.getColumnIndexOrThrow(FONT_SIZE)
+            val domainSwipeToRefreshColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SWIPE_TO_REFRESH)
+            val domainWebViewThemeColumnIndex = importDomainsCursor.getColumnIndexOrThrow(WEBVIEW_THEME)
+            val domainWideViewportColumnIndex = importDomainsCursor.getColumnIndexOrThrow(WIDE_VIEWPORT)
+            val domainDisplayImagesColumnIndex = importDomainsCursor.getColumnIndexOrThrow(DISPLAY_IMAGES)
+            val domainPinnedSslCertificateColumnIndex = importDomainsCursor.getColumnIndexOrThrow(PINNED_SSL_CERTIFICATE)
+            val domainSslIssuedToCommonNameColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_COMMON_NAME)
+            val domainSslIssuedToOrganizationColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_ORGANIZATION)
+            val domainSslIssuedToOrganizationalUnitColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)
+            val domainSslIssuedByCommonNameColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_COMMON_NAME)
+            val domainSslIssuedByOrganizationColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_ORGANIZATION)
+            val domainSslIssuedByOrganizationalUnitColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)
+            val domainSslStartDateColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SSL_START_DATE)
+            val domainSslEndDateColumnIndex = importDomainsCursor.getColumnIndexOrThrow(SSL_END_DATE)
+            val domainPinnedIpAddressesColumnIndex = importDomainsCursor.getColumnIndexOrThrow(PINNED_IP_ADDRESSES)
+            val domainIpAddressesColumnIndex = importDomainsCursor.getColumnIndexOrThrow(IP_ADDRESSES)
+
             // Copy the data from the import domains cursor into the domains database.
             for (i in 0 until importDomainsCursor.count) {
                 // Create a domain content values.
                 val domainContentValues = ContentValues()
 
                 // Populate the domain content values.
-                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)))
+                domainContentValues.put(DOMAIN_NAME, importDomainsCursor.getString(domainNameColumnIndex))
+                domainContentValues.put(ENABLE_JAVASCRIPT, importDomainsCursor.getInt(domainJavaScriptColumnIndex))
+                domainContentValues.put(COOKIES, importDomainsCursor.getInt(domainCookiesColumnIndex))
+                domainContentValues.put(ENABLE_DOM_STORAGE, importDomainsCursor.getInt(domainDomStorageColumnIndex))
+                domainContentValues.put(ENABLE_EASYLIST, importDomainsCursor.getInt(domainEasyListColumnIndex))
+                domainContentValues.put(ENABLE_EASYPRIVACY, importDomainsCursor.getInt(domainEasyPrivacyColumnIndex))
+                domainContentValues.put(ENABLE_FANBOYS_ANNOYANCE_LIST, importDomainsCursor.getInt(domainFanboysAnnoyanceListColumnIndex))
+                domainContentValues.put(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, importDomainsCursor.getInt(domainFanboysSocialBlockingListColumnIndex))
+                domainContentValues.put(ULTRALIST, importDomainsCursor.getInt(domainUltraListColumnIndex))
+                domainContentValues.put(ENABLE_ULTRAPRIVACY, importDomainsCursor.getInt(domainUltraPrivacyColumnIndex))
+                domainContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, importDomainsCursor.getInt(domainBlockAllThirdPartyRequestsColumnIndex))
+                domainContentValues.put(USER_AGENT, importDomainsCursor.getString(domainUserAgentColumnIndex))
+                domainContentValues.put(FONT_SIZE, importDomainsCursor.getInt(domainFontSizeColumnIndex))
+                domainContentValues.put(SWIPE_TO_REFRESH, importDomainsCursor.getInt(domainSwipeToRefreshColumnIndex))
+                domainContentValues.put(WEBVIEW_THEME, importDomainsCursor.getInt(domainWebViewThemeColumnIndex))
+                domainContentValues.put(WIDE_VIEWPORT, importDomainsCursor.getInt(domainWideViewportColumnIndex))
+                domainContentValues.put(DISPLAY_IMAGES, importDomainsCursor.getInt(domainDisplayImagesColumnIndex))
+                domainContentValues.put(PINNED_SSL_CERTIFICATE, importDomainsCursor.getInt(domainPinnedSslCertificateColumnIndex))
+                domainContentValues.put(SSL_ISSUED_TO_COMMON_NAME, importDomainsCursor.getString(domainSslIssuedToCommonNameColumnIndex))
+                domainContentValues.put(SSL_ISSUED_TO_ORGANIZATION, importDomainsCursor.getString(domainSslIssuedToOrganizationColumnIndex))
+                domainContentValues.put(SSL_ISSUED_TO_ORGANIZATIONAL_UNIT, importDomainsCursor.getString(domainSslIssuedToOrganizationalUnitColumnIndex))
+                domainContentValues.put(SSL_ISSUED_BY_COMMON_NAME, importDomainsCursor.getString(domainSslIssuedByCommonNameColumnIndex))
+                domainContentValues.put(SSL_ISSUED_BY_ORGANIZATION, importDomainsCursor.getString(domainSslIssuedByOrganizationColumnIndex))
+                domainContentValues.put(SSL_ISSUED_BY_ORGANIZATIONAL_UNIT, importDomainsCursor.getString(domainSslIssuedByOrganizationalUnitColumnIndex))
+                domainContentValues.put(SSL_START_DATE, importDomainsCursor.getLong(domainSslStartDateColumnIndex))
+                domainContentValues.put(SSL_END_DATE, importDomainsCursor.getLong(domainSslEndDateColumnIndex))
+                domainContentValues.put(PINNED_IP_ADDRESSES, importDomainsCursor.getInt(domainPinnedIpAddressesColumnIndex))
+                domainContentValues.put(IP_ADDRESSES, importDomainsCursor.getString(domainIpAddressesColumnIndex))
 
                 // Insert the content values into the domains database.
                 domainsDatabaseHelper.addDomain(domainContentValues)
@@ -579,7 +755,6 @@ class ImportExportDatabaseHelper {
                 .putBoolean(JAVASCRIPT, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(JAVASCRIPT)) == 1)
                 .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(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)
@@ -599,17 +774,17 @@ class ImportExportDatabaseHelper {
                 .putString(PROXY_CUSTOM_URL, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(PROXY_CUSTOM_URL)))
                 .putBoolean(FULL_SCREEN_BROWSING_MODE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(FULL_SCREEN_BROWSING_MODE)) == 1)
                 .putBoolean(HIDE_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(HIDE_APP_BAR)) == 1)
+                .putBoolean(DISPLAY_UNDER_CUTOUTS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(DISPLAY_UNDER_CUTOUTS)) == 1)
                 .putBoolean(CLEAR_EVERYTHING, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(CLEAR_EVERYTHING)) == 1)
                 .putBoolean(CLEAR_COOKIES, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(CLEAR_COOKIES)) == 1)
                 .putBoolean(CLEAR_DOM_STORAGE, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(CLEAR_DOM_STORAGE)) == 1)
-                .putBoolean(CLEAR_FORM_DATA, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(CLEAR_FORM_DATA)) == 1)  // Clear form data can be removed once the minimum API >= 26.
                 .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(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(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)
+                .putString(DOWNLOAD_PROVIDER, importPreferencesCursor.getString(importPreferencesCursor.getColumnIndexOrThrow(DOWNLOAD_PROVIDER)))
                 .putBoolean(SCROLL_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(SCROLL_APP_BAR)) == 1)
                 .putBoolean(BOTTOM_APP_BAR, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(BOTTOM_APP_BAR)) == 1)
                 .putBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, importPreferencesCursor.getInt(importPreferencesCursor.getColumnIndexOrThrow(DISPLAY_ADDITIONAL_APP_BAR_ICONS)) == 1)
@@ -647,7 +822,7 @@ class ImportExportDatabaseHelper {
 
 
             // Create the temporary export database bookmarks table.
-            temporaryExportDatabase.execSQL(BookmarksDatabaseHelper.CREATE_BOOKMARKS_TABLE)
+            temporaryExportDatabase.execSQL(CREATE_BOOKMARKS_TABLE)
 
             // Open the bookmarks database.
             val bookmarksDatabaseHelper = BookmarksDatabaseHelper(context)
@@ -658,21 +833,31 @@ class ImportExportDatabaseHelper {
             // Move to the first record.
             bookmarksCursor.moveToFirst()
 
+            // Get the bookmarks colum indexes.
+            val bookmarkNameColumnIndex = bookmarksCursor.getColumnIndexOrThrow(BOOKMARK_NAME)
+            val bookmarkUrlColumnIndex = bookmarksCursor.getColumnIndexOrThrow(BOOKMARK_URL)
+            val bookmarkParentFolderIdColumnIndex = bookmarksCursor.getColumnIndexOrThrow(PARENT_FOLDER_ID)
+            val bookmarkDisplayOrderColumnIndex = bookmarksCursor.getColumnIndexOrThrow(DISPLAY_ORDER)
+            val bookmarkIsFolderColumnIndex = bookmarksCursor.getColumnIndexOrThrow(IS_FOLDER)
+            val bookmarkFolderIdColumnIndex = bookmarksCursor.getColumnIndexOrThrow(FOLDER_ID)
+            val bookmarkFavoriteIconColumnIndex = bookmarksCursor.getColumnIndexOrThrow(FAVORITE_ICON)
+
             // Copy the data from the bookmarks cursor into the export database.
             for (i in 0 until bookmarksCursor.count) {
                 // Create a bookmark content values.
                 val bookmarkContentValues = ContentValues()
 
                 // Populate the bookmark content values.
-                bookmarkContentValues.put(BookmarksDatabaseHelper.BOOKMARK_NAME, bookmarksCursor.getString(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.BOOKMARK_URL, bookmarksCursor.getString(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_URL)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.PARENT_FOLDER, bookmarksCursor.getString(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.PARENT_FOLDER)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.DISPLAY_ORDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.DISPLAY_ORDER)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.IS_FOLDER, bookmarksCursor.getInt(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.IS_FOLDER)))
-                bookmarkContentValues.put(BookmarksDatabaseHelper.FAVORITE_ICON, bookmarksCursor.getBlob(bookmarksCursor.getColumnIndexOrThrow(BookmarksDatabaseHelper.FAVORITE_ICON)))
+                bookmarkContentValues.put(BOOKMARK_NAME, bookmarksCursor.getString(bookmarkNameColumnIndex))
+                bookmarkContentValues.put(BOOKMARK_URL, bookmarksCursor.getString(bookmarkUrlColumnIndex))
+                bookmarkContentValues.put(PARENT_FOLDER_ID, bookmarksCursor.getLong(bookmarkParentFolderIdColumnIndex))
+                bookmarkContentValues.put(DISPLAY_ORDER, bookmarksCursor.getInt(bookmarkDisplayOrderColumnIndex))
+                bookmarkContentValues.put(IS_FOLDER, bookmarksCursor.getInt(bookmarkIsFolderColumnIndex))
+                bookmarkContentValues.put(FOLDER_ID, bookmarksCursor.getLong(bookmarkFolderIdColumnIndex))
+                bookmarkContentValues.put(FAVORITE_ICON, bookmarksCursor.getBlob(bookmarkFavoriteIconColumnIndex))
 
                 // Insert the content values into the temporary export database.
-                temporaryExportDatabase.insert(BookmarksDatabaseHelper.BOOKMARKS_TABLE, null, bookmarkContentValues)
+                temporaryExportDatabase.insert(BOOKMARKS_TABLE, null, bookmarkContentValues)
 
                 // Advance to the next record.
                 bookmarksCursor.moveToNext()
@@ -695,41 +880,70 @@ class ImportExportDatabaseHelper {
             // Move to the first record.
             domainsCursor.moveToFirst()
 
+            // Get the domain column indexes.
+            val domainNameColumnIndex = domainsCursor.getColumnIndexOrThrow(DOMAIN_NAME)
+            val domainJavaScriptColumnIndex = domainsCursor.getColumnIndexOrThrow(ENABLE_JAVASCRIPT)
+            val domainCookiesColumnIndex = domainsCursor.getColumnIndexOrThrow(COOKIES)
+            val domainDomStorageColumnIndex = domainsCursor.getColumnIndexOrThrow(ENABLE_DOM_STORAGE)
+            val domainEasyListColumnIndex = domainsCursor.getColumnIndexOrThrow(ENABLE_EASYLIST)
+            val domainEasyPrivacyColumnIndex = domainsCursor.getColumnIndexOrThrow(ENABLE_EASYPRIVACY)
+            val domainFanboysAnnoyanceListColumnIndex = domainsCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_ANNOYANCE_LIST)
+            val domainFanboysSocialBlockingListColumnIndex = domainsCursor.getColumnIndexOrThrow(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)
+            val domainUltraListColumnIndex = domainsCursor.getColumnIndexOrThrow(ULTRALIST)
+            val domainUltraPrivacyColumnIndex = domainsCursor.getColumnIndexOrThrow(ENABLE_EASYPRIVACY)
+            val domainBlockAllThirdPartyRequestsColumnIndex = domainsCursor.getColumnIndexOrThrow(BLOCK_ALL_THIRD_PARTY_REQUESTS)
+            val domainUserAgentColumnIndex = domainsCursor.getColumnIndexOrThrow(USER_AGENT)
+            val domainFontSizeColumnIndex = domainsCursor.getColumnIndexOrThrow(FONT_SIZE)
+            val domainSwipeToRefreshColumnIndex = domainsCursor.getColumnIndexOrThrow(SWIPE_TO_REFRESH)
+            val domainWebViewThemeColumnIndex = domainsCursor.getColumnIndexOrThrow(WEBVIEW_THEME)
+            val domainWideViewportColumnIndex = domainsCursor.getColumnIndexOrThrow(WIDE_VIEWPORT)
+            val domainDisplayImagesColumnIndex = domainsCursor.getColumnIndexOrThrow(DISPLAY_IMAGES)
+            val domainPinnedSslCertificateColumnIndex = domainsCursor.getColumnIndexOrThrow(PINNED_SSL_CERTIFICATE)
+            val domainSslIssuedToCommonNameColumnIndex = domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_COMMON_NAME)
+            val domainSslIssuedToOrganizationColumnIndex = domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_ORGANIZATION)
+            val domainSslIssuedToOrganizationalUnitColumnIndex = domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_TO_ORGANIZATIONAL_UNIT)
+            val domainSslIssuedByCommonNameColumnIndex = domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_COMMON_NAME)
+            val domainSslIssuedByOrganizationColumnIndex = domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_ORGANIZATION)
+            val domainSslIssuedByOrganizationalUnitColumnIndex = domainsCursor.getColumnIndexOrThrow(SSL_ISSUED_BY_ORGANIZATIONAL_UNIT)
+            val domainSslStartDateColumnIndex = domainsCursor.getColumnIndexOrThrow(SSL_START_DATE)
+            val domainSslEndDateColumnIndex = domainsCursor.getColumnIndexOrThrow(SSL_END_DATE)
+            val domainPinnedIpAddressesColumnIndex = domainsCursor.getColumnIndexOrThrow(PINNED_IP_ADDRESSES)
+            val domainIpAddressesColumnIndex = domainsCursor.getColumnIndexOrThrow(IP_ADDRESSES)
+
             // Copy the data from the domains cursor into the export database.
             for (i in 0 until domainsCursor.count) {
                 // Create a domain content values.
                 val domainContentValues = ContentValues()
 
                 // Populate the domain content values.
-                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)))
+                domainContentValues.put(DOMAIN_NAME, domainsCursor.getString(domainNameColumnIndex))
+                domainContentValues.put(ENABLE_JAVASCRIPT, domainsCursor.getInt(domainJavaScriptColumnIndex))
+                domainContentValues.put(COOKIES, domainsCursor.getInt(domainCookiesColumnIndex))
+                domainContentValues.put(ENABLE_DOM_STORAGE, domainsCursor.getInt(domainDomStorageColumnIndex))
+                domainContentValues.put(ENABLE_EASYLIST, domainsCursor.getInt(domainEasyListColumnIndex))
+                domainContentValues.put(ENABLE_EASYPRIVACY, domainsCursor.getInt(domainEasyPrivacyColumnIndex))
+                domainContentValues.put(ENABLE_FANBOYS_ANNOYANCE_LIST, domainsCursor.getInt(domainFanboysAnnoyanceListColumnIndex))
+                domainContentValues.put(ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST, domainsCursor.getInt(domainFanboysSocialBlockingListColumnIndex))
+                domainContentValues.put(ULTRALIST, domainsCursor.getInt(domainUltraListColumnIndex))
+                domainContentValues.put(ENABLE_ULTRAPRIVACY, domainsCursor.getInt(domainUltraPrivacyColumnIndex))
+                domainContentValues.put(BLOCK_ALL_THIRD_PARTY_REQUESTS, domainsCursor.getInt(domainBlockAllThirdPartyRequestsColumnIndex))
+                domainContentValues.put(USER_AGENT, domainsCursor.getString(domainUserAgentColumnIndex))
+                domainContentValues.put(FONT_SIZE, domainsCursor.getInt(domainFontSizeColumnIndex))
+                domainContentValues.put(SWIPE_TO_REFRESH, domainsCursor.getInt(domainSwipeToRefreshColumnIndex))
+                domainContentValues.put(WEBVIEW_THEME, domainsCursor.getInt(domainWebViewThemeColumnIndex))
+                domainContentValues.put(WIDE_VIEWPORT, domainsCursor.getInt(domainWideViewportColumnIndex))
+                domainContentValues.put(DISPLAY_IMAGES, domainsCursor.getInt(domainDisplayImagesColumnIndex))
+                domainContentValues.put(PINNED_SSL_CERTIFICATE, domainsCursor.getInt(domainPinnedSslCertificateColumnIndex))
+                domainContentValues.put(SSL_ISSUED_TO_COMMON_NAME, domainsCursor.getString(domainSslIssuedToCommonNameColumnIndex))
+                domainContentValues.put(SSL_ISSUED_TO_ORGANIZATION, domainsCursor.getString(domainSslIssuedToOrganizationColumnIndex))
+                domainContentValues.put(SSL_ISSUED_TO_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainSslIssuedToOrganizationalUnitColumnIndex))
+                domainContentValues.put(SSL_ISSUED_BY_COMMON_NAME, domainsCursor.getString(domainSslIssuedByCommonNameColumnIndex))
+                domainContentValues.put(SSL_ISSUED_BY_ORGANIZATION, domainsCursor.getString(domainSslIssuedByOrganizationColumnIndex))
+                domainContentValues.put(SSL_ISSUED_BY_ORGANIZATIONAL_UNIT, domainsCursor.getString(domainSslIssuedByOrganizationalUnitColumnIndex))
+                domainContentValues.put(SSL_START_DATE, domainsCursor.getLong(domainSslStartDateColumnIndex))
+                domainContentValues.put(SSL_END_DATE, domainsCursor.getLong(domainSslEndDateColumnIndex))
+                domainContentValues.put(PINNED_IP_ADDRESSES, domainsCursor.getInt(domainPinnedIpAddressesColumnIndex))
+                domainContentValues.put(IP_ADDRESSES, domainsCursor.getString(domainIpAddressesColumnIndex))
 
                 // Insert the content values into the temporary export database.
                 temporaryExportDatabase.insert(DOMAINS_TABLE, null, domainContentValues)
@@ -749,7 +963,6 @@ class ImportExportDatabaseHelper {
                     "$JAVASCRIPT BOOLEAN, " +
                     "$COOKIES BOOLEAN, " +
                     "$DOM_STORAGE BOOLEAN, " +
-                    "$SAVE_FORM_DATA BOOLEAN, " +
                     "$PREFERENCES_USER_AGENT TEXT, " +
                     "$CUSTOM_USER_AGENT TEXT, " +
                     "$INCOGNITO_MODE BOOLEAN, " +
@@ -769,17 +982,17 @@ class ImportExportDatabaseHelper {
                     "$PROXY_CUSTOM_URL TEXT, " +
                     "$FULL_SCREEN_BROWSING_MODE BOOLEAN, " +
                     "$HIDE_APP_BAR BOOLEAN, " +
+                    "$DISPLAY_UNDER_CUTOUTS BOOLEAN, " +
                     "$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, " +
+                    "$DOWNLOAD_PROVIDER TEXT, " +
                     "$SCROLL_APP_BAR BOOLEAN, " +
                     "$BOTTOM_APP_BAR BOOLEAN, " +
                     "$DISPLAY_ADDITIONAL_APP_BAR_ICONS BOOLEAN, " +
@@ -801,7 +1014,6 @@ class ImportExportDatabaseHelper {
             preferencesContentValues.put(JAVASCRIPT, sharedPreferences.getBoolean(JAVASCRIPT, false))
             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(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))
@@ -821,17 +1033,17 @@ class ImportExportDatabaseHelper {
             preferencesContentValues.put(PROXY_CUSTOM_URL, sharedPreferences.getString(PROXY_CUSTOM_URL, context.getString(R.string.proxy_custom_url_default_value)))
             preferencesContentValues.put(FULL_SCREEN_BROWSING_MODE, sharedPreferences.getBoolean(FULL_SCREEN_BROWSING_MODE, false))
             preferencesContentValues.put(HIDE_APP_BAR, sharedPreferences.getBoolean(HIDE_APP_BAR, true))
+            preferencesContentValues.put(DISPLAY_UNDER_CUTOUTS, sharedPreferences.getBoolean(DISPLAY_UNDER_CUTOUTS, false))
             preferencesContentValues.put(CLEAR_EVERYTHING, sharedPreferences.getBoolean(CLEAR_EVERYTHING, true))
             preferencesContentValues.put(CLEAR_COOKIES, sharedPreferences.getBoolean(CLEAR_COOKIES, true))
             preferencesContentValues.put(CLEAR_DOM_STORAGE, sharedPreferences.getBoolean(CLEAR_DOM_STORAGE, true))
-            preferencesContentValues.put(CLEAR_FORM_DATA, sharedPreferences.getBoolean(CLEAR_FORM_DATA, true))  // Clear form data can be removed once the minimum API >= 26.
             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(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(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(DOWNLOAD_PROVIDER, sharedPreferences.getString(DOWNLOAD_PROVIDER, context.getString(R.string.download_provider_default_value)))
             preferencesContentValues.put(SCROLL_APP_BAR, sharedPreferences.getBoolean(SCROLL_APP_BAR, true))
             preferencesContentValues.put(BOTTOM_APP_BAR, sharedPreferences.getBoolean(BOTTOM_APP_BAR, false))
             preferencesContentValues.put(DISPLAY_ADDITIONAL_APP_BAR_ICONS, sharedPreferences.getBoolean(DISPLAY_ADDITIONAL_APP_BAR_ICONS, false))
@@ -895,4 +1107,24 @@ class ImportExportDatabaseHelper {
         else  // The switch is currently enabled and that is not the system default.
             ENABLED
     }
+
+    private fun generateFolderId(database: SQLiteDatabase): Long {
+        // Get the current time in epoch format.
+        val possibleFolderId = Date().time
+
+        // Get a cursor with any folders that already have this folder ID.
+        val existingFolderCursor = database.rawQuery("SELECT $ID FROM $BOOKMARKS_TABLE WHERE $FOLDER_ID = $possibleFolderId", null)
+
+        // Check if the folder ID is unique.
+        val folderIdIsUnique = (existingFolderCursor.count == 0)
+
+        // Close the cursor.
+        existingFolderCursor.close()
+
+        // Either return the folder ID or test a new one.
+        return if (folderIdIsUnique)
+            possibleFolderId
+        else
+            generateFolderId(database)
+    }
 }