Addresses #139

(removed toast during add app)

assets/translations/en.json

@@ -0,0 +1,216 @@
+{
+    "invalidURLForSource": "Not a valid {} App URL",
+    "noReleaseFound": "Could not find a suitable release",
+    "noVersionFound": "Could not determine release version",
+    "urlMatchesNoSource": "URL does not match a known source",
+    "cantInstallOlderVersion": "Cannot install an older version of an App",
+    "appIdMismatch": "Downloaded package ID does not match existing App ID",
+    "functionNotImplemented": "This class has not implemented this function",
+    "placeholder": "Placeholder",
+    "someErrors": "Some Errors Occurred",
+    "unexpectedError": "Unexpected Error",
+    "ok": "Okay",
+    "and": "and",
+    "startedBgUpdateTask": "Started BG update check task",
+    "bgUpdateIgnoreAfterIs": "Bg update ignoreAfter is  {}",
+    "startedActualBGUpdateCheck": "Started actual BG update checking",
+    "bgUpdateTaskFinished": "Finished BG update check task",
+    "firstRun": "This is the first ever run of Obtainium",
+    "settingUpdateCheckIntervalTo": "Setting update interval to {}",
+    "githubPATLabel": "GitHub Personal Access Token (Increases Rate Limit)",
+    "githubPATHint": "PAT must be in this format: username:token",
+    "githubPATFormat": "username:token",
+    "githubPATLinkText": "'About GitHub PATs",
+    "includePrereleases": "Include prereleases",
+    "fallbackToOlderReleases": "Fallback to older releases",
+    "filterReleaseTitlesByRegEx": "Filter Release Titles by Regular Expression",
+    "invalidRegEx": "Invalid regular expression",
+    "noDescription": "No description",
+    "cancel": "Cancel",
+    "continue": "Continue",
+    "requiredInBrackets": "(Required)",
+    "dropdownNoOptsError": "ERROR: DROPDOWN MUST HAVE AT LEAST ONE OPT",
+    "colour": "Colour",
+    "githubStarredRepos": "GitHub Starred Repos",
+    "uname": "Username",
+    "wrongArgNum": "Wrong number of arguments provided",
+    "xIsTrackOnly": "{} is Track-Only",
+    "source": "Source",
+    "app": "App",
+    "appsFromSourceAreTrackOnly": "Apps from this source are 'Track-Only'.' ",
+    "youPickedTrackOnly": "You have selected the 'Track-Only' option.",
+    "trackOnlyAppDescription": "The App will be tracked for updates, but Obtainium will not be able to download or install it.",
+    "cancelled": "Cancelled",
+    "appAlreadyAdded": "App already added",
+    "addApp": "Add App",
+    "appSourceURL": "App Source URL",
+    "error": "Error",
+    "add": "Add",
+    "searchSomeSourcesLabel": "Search (Some Sources Only)",
+    "search": "Search",
+    "additionalOptsFor": "Additional Options for {}",
+    "supportedSourcesBelow": "Supported Sources:",
+    "trackOnlyInBrackets": "(Track-Only)",
+    "searchableInBrackets": "(Searchable)",
+    "appsString": "Apps",
+    "noApps": "No Apps",
+    "noAppsForFilter": "No Apps for Filter",
+    "byX": "By {}",
+    "percentProgress": "Progress: {}%",
+    "pleaseWait": "Please Wait...",
+    "updateAvailable": "Update Available",
+    "estimateInBracketsShort": "(Est.)",
+    "notInstalled": "Not Installed",
+    "estimateInBrackets": "(Estimate)",
+    "selectAll": "Select All",
+    "deselectN": "Deselect {}",
+    "xWillBeRemovedButRemainInstalled": "{} will be removed from Obtainium but remain installed on device.",
+    "removeSelectedAppsQuestion": "Remove Selected Apps?",
+    "removeSelectedApps": "Remove Selected Apps",
+    "updateX": "Update {}",
+    "installX": "Install {}",
+    "markXTrackOnlyAsUpdated": "Mark {}\n(Track-Only)\nas Updated",
+    "changeX": "Change {}",
+    "installUpdateApps": "Install/Update Apps",
+    "installUpdateSelectedApps": "Install/Update Selected Apps",
+    "onlyAppliesToInstalledAndOutdatedApps": "Only applies to installed but out of date Apps whose install status cannot be automatically detected.",
+    "markXSelectedAppsAsUpdated": "Mark {} Selected Apps as Updated?",
+    "no": "No",
+    "yes": "Yes",
+    "markSelectedAppsUpdated": "Mark Selected Apps as Updated",
+    "pinToTop": "Pin to top",
+    "unpinFromTop": "Unpin from top",
+    "resetInstallStatusForSelectedAppsQuestion": "Reset Install Status for Selected Apps?",
+    "installStatusOfXWillBeResetExplanation": "The install status of any selected Apps will be reset.\n\nThis can help when the App version shown in Obtainium is incorrect due to failed updates or other issues.",
+    "shareSelectedAppURLs": "Share Selected App URLs",
+    "resetInstallStatus": "Reset Install Status",
+    "more": "More",
+    "removeOutdatedFilter": "Remove Out-of-Date App Filter",
+    "showOutdatedOnly": "Show Out-of-Date Apps Only",
+    "filter": "Filter",
+    "filterActive": "Filter *",
+    "filterApps": "Filter Apps",
+    "appName": "App Name",
+    "author": "Author",
+    "upToDateApps": "Up to Date Apps",
+    "nonInstalledApps": "Non-Installed Apps",
+    "importExport": "Import/Export",
+    "settings": "Settings",
+    "exportedTo": "Exported to {}",
+    "obtainiumExport": "Obtainium Export",
+    "invalidInput": "Invalid input",
+    "importedX": "Imported {}",
+    "obtainiumImport": "Obtainium Import",
+    "importFromURLList": "Import from URL List",
+    "searchQuery": "Search Query",
+    "appURLList": "App URL List",
+    "line": "Line",
+    "searchX": "Search {}",
+    "noResults": "No results found",
+    "importX": "Import {}",
+    "importedAppsIdDisclaimer": "Imported Apps may incorrectly show as \"Not Installed\".\nTo fix this, re-install them through Obtainium.\nThis should not affect App data.\n\nOnly affects URL and third-party import methods.",
+    "importErrors": "Import Errors",
+    "importedXOfYApps": "{} of {} Apps imported.",
+    "followingURLsHadErrors": "The following URLs had errors:",
+    "okay": "Okay",
+    "selectURL": "Select URL",
+    "selectURLs": "Select URLs",
+    "pick": "Pick",
+    "theme": "Theme",
+    "dark": "Dark",
+    "light": "Light",
+    "followSystem": "Follow System",
+    "obtainium": "Obtainium",
+    "materialYou": "Material You",
+    "appSortBy": "App Sort By",
+    "authorName": "Author/Name",
+    "nameAuthor": "Name/Author",
+    "asAdded": "As Added",
+    "appSortOrder": "App Sort Order",
+    "ascending": "Ascending",
+    "descending": "Descending",
+    "bgUpdateCheckInterval": "Background Update Checking Interval",
+    "neverManualOnly": "Never - Manual Only",
+    "appearance": "Appearance",
+    "showWebInAppView": "Show Source Webpage in App View",
+    "pinUpdates": "Pin Updates to Top of Apps View",
+    "updates": "Updated",
+    "sourceSpecific": "Source-Specific",
+    "appSource": "App Source",
+    "noLogs": "No Logs",
+    "appLogs": "App Logs",
+    "close": "Close",
+    "share": "Share",
+    "appNotFound": "App not found",
+    "obtainiumExportHyphenatedLowercase": "obtainium-export",
+    "pickAnAPK": "Pick an APK",
+    "appHasMoreThanOnePackage": "{} has more than one package:",
+    "deviceSupportsXArch": "Your device supports the {} CPU architecture.",
+    "deviceSupportsFollowingArchs": "Your device supports the following CPU architectures:",
+    "warning": "Warning",
+    "sourceIsXButPackageFromYPrompt": "The App source is '{}' but the release package comes from '{}'. Continue?",
+    "updatesAvailable": "Updates Available",
+    "updatesAvailableNotifDescription": "Notifies the user that updates are available for one or more Apps tracked by Obtainium",
+    "noNewUpdates": "No new updates.",
+    "xHasAnUpdate": "{} has an update.",
+    "appsUpdated": "Apps Updated",
+    "appsUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were applied in the background",
+    "xWasUpdatedToY": "{} was updated to {}.",
+    "errorCheckingUpdates": "Error Checking for Updates",
+    "errorCheckingUpdatesNotifDescription": "A notification that shows when background update checking fails",
+    "appsRemoved": "Apps Removed",
+    "appsRemovedNotifDescription": "Notifies the user that one or more Apps were removed due to errors while loading them",
+    "xWasRemovedDueToErrorY": "{} was removed due to this error: {}",
+    "completeAppInstallation": "Complete App Installation",
+    "obtainiumMustBeOpenToInstallApps": "Obtainium must be open to install Apps",
+    "completeAppInstallationNotifDescription": "Asks the user to return to Obtainium to finish installing an App",
+    "checkingForUpdates": "Checking for Updates",
+    "checkingForUpdatesNotifDescription": "Transient notification that appears when checking for updates",
+    "pleaseAllowInstallPerm": "Please allow Obtainium to install Apps",
+    "trackOnly": "Track-Only",
+    "errorWithHttpStatusCode": "Error {}",
+    "tooManyRequestsTryAgainInMinutes": {
+        "one": "Too many requests (rate limited) - try again in {} minute",
+        "other": "Too many requests (rate limited) - try again in {} minutes"
+    },
+    "bgUpdateGotErrorRetryInMinutes": {
+        "one": "BG update checking encountered a {}, will schedule a retry check in {} minute",
+        "other": "BG update checking encountered a {}, will schedule a retry check in {} minutes"
+    },
+    "bgCheckFoundUpdatesWillNotifyIfNeeded": {
+        "one": "BG update checking found {} update - will notify user if needed",
+        "other": "BG update checking found {} updates - will notify user if needed"
+    },
+    "apps": {
+        "one": "{} App",
+        "other": "{} Apps"
+    },
+    "url": {
+        "one": "{} URL",
+        "other": "{} URLs"
+    },
+    "minute": {
+        "one": "{} Minute",
+        "other": "{} Minutes"
+    },
+    "hour": {
+        "one": "{} Hour",
+        "other": "{} Hours"
+    },
+    "day": {
+        "one": "{} Day",
+        "other": "{} Days"
+    },
+    "clearedNLogsBeforeXAfterY": {
+        "one": "Cleared {n} log (before = {before}, after = {after})",
+        "other": "Cleared {n} logs (before = {before}, after = {after})"
+    },
+    "xAndNMoreUpdatesAvailable": {
+        "one": "{} and {} more app have updated.",
+        "other": "{} and {} more apps have updates."
+    },
+    "xAndNMoreUpdatesInstalled": {
+        "one": "{} and {} more app were updated.",
+        "other": "{} and {} more apps were updated."
+    }
+}

lib/app_sources/github.dart

@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:http/http.dart';
 import 'package:obtainium/components/generated_form.dart';
@@ -15,7 +16,7 @@ class GitHub extends AppSource {
 
     additionalSourceSpecificSettingFormItems = [
       GeneratedFormItem(
-          label: 'GitHub Personal Access Token (Increases Rate Limit)',
+          label: tr('githubPATLabel'),
           id: 'github-creds',
           required: false,
           additionalValidators: [
@@ -26,13 +27,13 @@ class GitHub extends AppSource {
                         .where((element) => element.trim().isNotEmpty)
                         .length !=
                     2) {
-                  return 'PAT must be in this format: username:token';
+                  return tr('githubPATHint');
                 }
               }
               return null;
             }
           ],
-          hint: 'username:token',
+          hint: tr('githubPATFormat'),
           belowWidgets: [
             const SizedBox(
               height: 8,
@@ -43,9 +44,9 @@ class GitHub extends AppSource {
                       'https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/creating-a-personal-access-token',
                       mode: LaunchMode.externalApplication);
                 },
-                child: const Text(
-                  'About GitHub PATs',
-                  style: TextStyle(
+                child: Text(
+                  tr('githubPATLinkText'),
+                  style: const TextStyle(
                       decoration: TextDecoration.underline, fontSize: 12),
                 ))
           ])
@@ -53,15 +54,16 @@ class GitHub extends AppSource {
 
     additionalSourceAppSpecificFormItems = [
       [
-        GeneratedFormItem(label: 'Include prereleases', type: FormItemType.bool)
+        GeneratedFormItem(
+            label: tr('includePrereleases'), type: FormItemType.bool)
       ],
       [
         GeneratedFormItem(
-            label: 'Fallback to older releases', type: FormItemType.bool)
+            label: tr('fallbackToOlderReleases'), type: FormItemType.bool)
       ],
       [
         GeneratedFormItem(
-            label: 'Filter Release Titles by Regular Expression',
+            label: tr('filterReleaseTitlesByRegEx'),
             type: FormItemType.string,
             required: false,
             additionalValidators: [
@@ -72,7 +74,7 @@ class GitHub extends AppSource {
                 try {
                   RegExp(value);
                 } catch (e) {
-                  return 'Invalid regular expression';
+                  return tr('invalidRegEx');
                 }
                 return null;
               }
@@ -184,7 +186,7 @@ class GitHub extends AppSource {
         urlsWithDescriptions.addAll({
           e['html_url'] as String: e['description'] != null
               ? e['description'] as String
-              : 'No description'
+              : tr('noDescription')
         });
       }
       return urlsWithDescriptions;

lib/components/generated_form.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 
 enum FormItemType { string, bool }
@@ -108,7 +109,7 @@ class _GeneratedFormState extends State<GeneratedForm> {
             maxLines: e.value.max <= 1 ? 1 : e.value.max,
             validator: (value) {
               if (e.value.required && (value == null || value.trim().isEmpty)) {
-                return '${e.value.label} (required)';
+                return '${e.value.label} ${tr('requiredInBrackets')}';
               }
               for (var validator in e.value.additionalValidators) {
                 String? result = validator(value);
@@ -122,10 +123,10 @@ class _GeneratedFormState extends State<GeneratedForm> {
         } else if (e.value.type == FormItemType.string &&
             e.value.opts != null) {
           if (e.value.opts!.isEmpty) {
-            return const Text('ERROR: DROPDOWN MUST HAVE AT LEAST ONE OPT.');
+            return Text(tr('dropdownNoOptsError'));
           }
           return DropdownButtonFormField(
-              decoration: const InputDecoration(labelText: 'Colour'),
+              decoration: InputDecoration(labelText: tr('colour')),
               value: values[row.key][e.key],
               items: e.value.opts!
                   .map((e) => DropdownMenuItem(value: e, child: Text(e)))

lib/components/generated_form_modal.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:obtainium/components/generated_form.dart';
@@ -64,7 +65,7 @@ class _GeneratedFormModalState extends State<GeneratedFormModal> {
             onPressed: () {
               Navigator.of(context).pop(null);
             },
-            child: const Text('Cancel')),
+            child: Text(tr('cancel'))),
         TextButton(
             onPressed: !valid
                 ? null
@@ -74,7 +75,7 @@ class _GeneratedFormModalState extends State<GeneratedFormModal> {
                       Navigator.of(context).pop(values);
                     }
                   },
-            child: const Text('Continue'))
+            child: Text(tr('continue')))
       ],
     );
   }

lib/custom_errors.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:obtainium/providers/logs_provider.dart';
 import 'package:provider/provider.dart';
@@ -18,46 +19,46 @@ class RateLimitError {
 
   @override
   String toString() =>
-      'Too many requests (rate limited) - try again in $remainingMinutes minutes';
+      plural('tooManyRequestsTryAgainInMinutes', remainingMinutes);
 }
 
 class InvalidURLError extends ObtainiumError {
-  InvalidURLError(String sourceName) : super('Not a valid $sourceName App URL');
+  InvalidURLError(String sourceName)
+      : super(tr('invalidURLForSource', args: [sourceName]));
 }
 
 class NoReleasesError extends ObtainiumError {
-  NoReleasesError() : super('Could not find a suitable release');
+  NoReleasesError() : super(tr('noReleaseFound'));
 }
 
 class NoAPKError extends ObtainiumError {
-  NoAPKError() : super('Could not find a suitable release');
+  NoAPKError() : super(tr('noReleaseFound'));
 }
 
 class NoVersionError extends ObtainiumError {
-  NoVersionError() : super('Could not determine release version');
+  NoVersionError() : super(tr('noVersionFound'));
 }
 
 class UnsupportedURLError extends ObtainiumError {
-  UnsupportedURLError() : super('URL does not match a known source');
+  UnsupportedURLError() : super(tr('urlMatchesNoSource'));
 }
 
 class DowngradeError extends ObtainiumError {
-  DowngradeError() : super('Cannot install an older version of an App');
+  DowngradeError() : super(tr('cantInstallOlderVersion'));
 }
 
 class IDChangedError extends ObtainiumError {
-  IDChangedError()
-      : super('Downloaded package ID does not match existing App ID');
+  IDChangedError() : super(tr('appIdMismatch'));
 }
 
 class NotImplementedError extends ObtainiumError {
-  NotImplementedError() : super('This class has not implemented this function');
+  NotImplementedError() : super(tr('functionNotImplemented'));
 }
 
 class MultiAppMultiError extends ObtainiumError {
   Map<String, List<String>> content = {};
 
-  MultiAppMultiError() : super('Multiple Errors Placeholder', unexpected: true);
+  MultiAppMultiError() : super(tr('placeholder'), unexpected: true);
 
   add(String appId, String string) {
     var tempIds = content.remove(string);
@@ -90,15 +91,15 @@ showError(dynamic e, BuildContext context) {
           return AlertDialog(
             scrollable: true,
             title: Text(e is MultiAppMultiError
-                ? 'Some Errors Occurred'
-                : 'Unexpected Error'),
+                ? tr('someErrors')
+                : tr('unexpectedError')),
             content: Text(e.toString()),
             actions: [
               TextButton(
                   onPressed: () {
                     Navigator.of(context).pop(null);
                   },
-                  child: const Text('Ok')),
+                  child: Text(tr('ok'))),
             ],
           );
         });
@@ -107,7 +108,7 @@ showError(dynamic e, BuildContext context) {
 
 String list2FriendlyString(List<String> list) {
   return list.length == 2
-      ? '${list[0]} and ${list[1]}'
+      ? '${list[0]} ${tr('and')} ${list[1]}'
       : list
           .asMap()
           .entries

lib/main.dart

@@ -15,8 +15,9 @@ import 'package:provider/provider.dart';
 import 'package:dynamic_color/dynamic_color.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:android_alarm_manager_plus/android_alarm_manager_plus.dart';
+import 'package:easy_localization/easy_localization.dart';
 
-const String currentVersion = '0.8.1';
+const String currentVersion = '0.8.4';
 const String currentReleaseTag =
     'v$currentVersion-beta'; // KEEP THIS IN SYNC WITH GITHUB RELEASES
 
@@ -24,15 +25,16 @@ const int bgUpdateCheckAlarmId = 666;
 
 @pragma('vm:entry-point')
 Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
-  LogsProvider logs = LogsProvider();
-  logs.add('Started BG update check task');
-  int? ignoreAfterMicroseconds = params?['ignoreAfterMicroseconds'];
   WidgetsFlutterBinding.ensureInitialized();
+  await EasyLocalization.ensureInitialized();
+  LogsProvider logs = LogsProvider();
+  logs.add(tr('startedBgUpdateTask'));
+  int? ignoreAfterMicroseconds = params?['ignoreAfterMicroseconds'];
   await AndroidAlarmManager.initialize();
   DateTime? ignoreAfter = ignoreAfterMicroseconds != null
       ? DateTime.fromMicrosecondsSinceEpoch(ignoreAfterMicroseconds)
       : null;
-  logs.add('Bg update ignoreAfter is $ignoreAfter');
+  logs.add(tr('bgUpdateIgnoreAfterIs', args: [ignoreAfter.toString()]));
   var notificationsProvider = NotificationsProvider();
   await notificationsProvider.notify(checkingUpdatesNotification);
   try {
@@ -44,14 +46,14 @@ Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
     DateTime nextIgnoreAfter = DateTime.now();
     String? err;
     try {
-      logs.add('Started actual BG update checking');
+      logs.add(tr('startedActualBGUpdateCheck'));
       await appsProvider.checkUpdates(
           ignoreAppsCheckedAfter: ignoreAfter, throwErrorsForRetry: true);
     } catch (e) {
       if (e is RateLimitError || e is SocketException) {
         var remainingMinutes = e is RateLimitError ? e.remainingMinutes : 15;
-        logs.add(
-            'BG update checking encountered a ${e.runtimeType}, will schedule a retry check in $remainingMinutes minutes');
+        logs.add(plural('bgUpdateGotErrorRetryInMinutes', remainingMinutes,
+            args: [e.runtimeType.toString()]));
         AndroidAlarmManager.oneShot(Duration(minutes: remainingMinutes),
             Random().nextInt(pow(2, 31) as int), bgUpdateCheck, params: {
           'ignoreAfterMicroseconds': nextIgnoreAfter.microsecondsSinceEpoch
@@ -80,7 +82,7 @@ Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
     //       cancelExisting: true);
     // }
     logs.add(
-        'BG update checking found ${newUpdates.length} updates - will notify user if needed');
+        plural('bgCheckFoundUpdatesWillNotifyIfNeeded', newUpdates.length));
     if (newUpdates.isNotEmpty) {
       notificationsProvider.notify(UpdateNotification(newUpdates));
     }
@@ -91,13 +93,14 @@ Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
     notificationsProvider
         .notify(ErrorCheckingUpdatesNotification(e.toString()));
   } finally {
-    logs.add('Finished BG update check task');
+    logs.add(tr('bgUpdateTaskFinished'));
     await notificationsProvider.cancel(checkingUpdatesNotification.id);
   }
 }
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
+  await EasyLocalization.ensureInitialized();
   if ((await DeviceInfoPlugin().androidInfo).version.sdkInt >= 29) {
     SystemChrome.setSystemUIOverlayStyle(
       const SystemUiOverlayStyle(systemNavigationBarColor: Colors.transparent),
@@ -112,7 +115,11 @@ void main() async {
       Provider(create: (context) => NotificationsProvider()),
       Provider(create: (context) => LogsProvider())
     ],
-    child: const Obtainium(),
+    child: EasyLocalization(
+        supportedLocales: const [Locale('en')],
+        path: 'assets/translations',
+        fallbackLocale: const Locale('en'),
+        child: const Obtainium()),
   ));
 }
 
@@ -139,7 +146,7 @@ class _ObtainiumState extends State<Obtainium> {
     } else {
       bool isFirstRun = settingsProvider.checkAndFlipFirstRun();
       if (isFirstRun) {
-        logs.add('This is the first ever run of Obtainium');
+        logs.add(tr('firstRun'));
         // If this is the first run, ask for notification permissions and add Obtainium to the Apps list
         Permission.notification.request();
         appsProvider.saveApps([
@@ -155,14 +162,15 @@ class _ObtainiumState extends State<Obtainium> {
               ['true'],
               null,
               false,
+              false,
               false)
         ]);
       }
       // Register the background update task according to the user's setting
       if (existingUpdateInterval != settingsProvider.updateInterval) {
         if (existingUpdateInterval != -1) {
-          logs.add(
-              'Setting update interval to ${settingsProvider.updateInterval}');
+          logs.add(tr('settingUpdateCheckIntervalTo',
+              args: [settingsProvider.updateInterval.toString()]));
         }
         existingUpdateInterval = settingsProvider.updateInterval;
         if (existingUpdateInterval == 0) {
@@ -195,6 +203,9 @@ class _ObtainiumState extends State<Obtainium> {
       }
       return MaterialApp(
           title: 'Obtainium',
+          localizationsDelegates: context.localizationDelegates,
+          supportedLocales: context.supportedLocales,
+          locale: context.locale,
           theme: ThemeData(
               useMaterial3: true,
               colorScheme: settingsProvider.theme == ThemeSettings.dark

lib/mass_app_sources/githubstars.dart

@@ -1,5 +1,6 @@
 import 'dart:convert';
 
+import 'package:easy_localization/easy_localization.dart';
 import 'package:http/http.dart';
 import 'package:obtainium/app_sources/github.dart';
 import 'package:obtainium/custom_errors.dart';
@@ -7,10 +8,10 @@ import 'package:obtainium/providers/source_provider.dart';
 
 class GitHubStars implements MassAppUrlSource {
   @override
-  late String name = 'GitHub Starred Repos';
+  late String name = tr('githubStarredRepos');
 
   @override
-  late List<String> requiredArgs = ['Username'];
+  late List<String> requiredArgs = [tr('uname')];
 
   Future<Map<String, String>> getOnePageOfUserStarredUrlsWithDescriptions(
       String username, int page) async {
@@ -22,7 +23,7 @@ class GitHubStars implements MassAppUrlSource {
         urlsWithDescriptions.addAll({
           e['html_url'] as String: e['description'] != null
               ? e['description'] as String
-              : 'No description'
+              : tr('noDescription')
         });
       }
       return urlsWithDescriptions;
@@ -36,7 +37,7 @@ class GitHubStars implements MassAppUrlSource {
   @override
   Future<Map<String, String>> getUrlsWithDescriptions(List<String> args) async {
     if (args.length != requiredArgs.length) {
-      throw ObtainiumError('Wrong number of arguments provided');
+      throw ObtainiumError(tr('wrongArgNum'));
     }
     Map<String, String> urlsWithDescriptions = {};
     var page = 1;

lib/pages/add_app.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:obtainium/components/custom_app_bar.dart';
@@ -75,12 +76,15 @@ class _AddAppPageState extends State<AddAppPage> {
                     context: context,
                     builder: (BuildContext ctx) {
                       return GeneratedFormModal(
-                        title:
-                            '${pickedSource!.enforceTrackOnly ? 'Source' : 'App'} is Track-Only',
+                        title: tr('xIsTrackOnly', args: [
+                          pickedSource!.enforceTrackOnly
+                              ? tr('source')
+                              : tr('app')
+                        ]),
                         items: const [],
                         defaultValues: const [],
                         message:
-                            '${pickedSource!.enforceTrackOnly ? 'Apps from this source are \'Track-Only\'.' : 'You have selected the \'Track-Only\' option.'}\n\nThe App will be tracked for updates, but Obtainium will not be able to download or install it.',
+                            '${pickedSource!.enforceTrackOnly ? tr('appsFromSourceAreTrackOnly') : tr('youPickedTrackOnly')}\n\n${tr('trackOnlyAppDescription')}',
                       );
                     }) ==
                 null) {
@@ -100,14 +104,15 @@ class _AddAppPageState extends State<AddAppPage> {
             // ignore: use_build_context_synchronously
             var apkUrl = await appsProvider.confirmApkUrl(app, context);
             if (apkUrl == null) {
-              throw ObtainiumError('Cancelled');
+              throw ObtainiumError(tr('cancelled'));
             }
             app.preferredApkIndex = app.apkUrls.indexOf(apkUrl);
-            var downloadedApk = await appsProvider.downloadApp(app);
+            // ignore: use_build_context_synchronously
+            var downloadedApk = await appsProvider.downloadApp(app, context);
             app.id = downloadedApk.appId;
           }
           if (appsProvider.apps.containsKey(app.id)) {
-            throw ObtainiumError('App already added');
+            throw ObtainiumError(tr('appAlreadyAdded'));
           }
           if (app.trackOnly) {
             app.installedVersion = app.latestVersion;
@@ -137,7 +142,7 @@ class _AddAppPageState extends State<AddAppPage> {
     return Scaffold(
         backgroundColor: Theme.of(context).colorScheme.surface,
         body: CustomScrollView(slivers: <Widget>[
-          const CustomAppBar(title: 'Add App'),
+          CustomAppBar(title: tr('addApp')),
           SliverFillRemaining(
             child: Padding(
                 padding: const EdgeInsets.all(16),
@@ -151,7 +156,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                   items: [
                                     [
                                       GeneratedFormItem(
-                                          label: 'App Source Url',
+                                          label: tr('appSourceURL'),
                                           additionalValidators: [
                                             (value) {
                                               try {
@@ -165,7 +170,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                                     ? e
                                                     : e is ObtainiumError
                                                         ? e.toString()
-                                                        : 'Error';
+                                                        : tr('error');
                                               }
                                               return null;
                                             }
@@ -195,7 +200,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                               !otherAdditionalDataIsValid)
                                       ? null
                                       : addApp,
-                                  child: const Text('Add'))
+                                  child: Text(tr('add')))
                         ],
                       ),
                       if (sourceProvider.sources
@@ -218,7 +223,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                   items: [
                                     [
                                       GeneratedFormItem(
-                                          label: 'Search (Some Sources Only)',
+                                          label: tr('searchSomeSourcesLabel'),
                                           required: false),
                                     ]
                                   ],
@@ -281,7 +286,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                           showError(e, context);
                                         });
                                       },
-                                child: const Text('Search'))
+                                child: Text(tr('search')))
                           ],
                         ),
                       if (pickedSource != null &&
@@ -301,7 +306,10 @@ class _AddAppPageState extends State<AddAppPage> {
                               height: 64,
                             ),
                             Text(
-                                'Additional Options for ${pickedSource?.runtimeType}',
+                                tr('additionalOptsFor', args: [
+                                  pickedSource?.runtimeType.toString() ??
+                                      tr('source')
+                                ]),
                                 style: TextStyle(
                                     color:
                                         Theme.of(context).colorScheme.primary)),
@@ -365,8 +373,8 @@ class _AddAppPageState extends State<AddAppPage> {
                               const SizedBox(
                                 height: 48,
                               ),
-                              const Text(
-                                'Supported Sources:',
+                              Text(
+                                tr('supportedSourcesBelow'),
                               ),
                               const SizedBox(
                                 height: 8,
@@ -379,7 +387,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                                 LaunchMode.externalApplication);
                                       },
                                       child: Text(
-                                        '${e.runtimeType.toString()}${e.enforceTrackOnly ? ' (Track-Only)' : ''}${e.canSearch ? ' (Searchable)' : ''}',
+                                        '${e.runtimeType.toString()}${e.enforceTrackOnly ? ' ${tr('trackOnlyInBrackets')}' : ''}${e.canSearch ? ' ${tr('searchableInBrackets')}' : ''}',
                                         style: const TextStyle(
                                             decoration:
                                                 TextDecoration.underline,

lib/pages/app.dart

@@ -114,7 +114,7 @@ class _AppPageState extends State<AppPage> {
                           height: 32,
                         ),
                         Text(
-                          'Last Update Check: ${app?.app.lastUpdateCheck == null ? 'Never' : '\n${app?.app.lastUpdateCheck?.toLocal()}'}',
+                          'Last Update Check: ${app?.app.lastUpdateCheck == null ? 'Never' : '\n${app?.app.lastUpdateCheck?.toLocal()}'}${app?.app.enhancedVersionDetection == true ? '\n\nThis App has enhanced version detection.' : ''}',
                           textAlign: TextAlign.center,
                           style: const TextStyle(
                               fontStyle: FontStyle.italic, fontSize: 12),
@@ -141,7 +141,9 @@ class _AppPageState extends State<AppPage> {
                       children: [
                         if (app?.app.installedVersion != null &&
                             app?.app.trackOnly == false &&
-                            app?.app.installedVersion != app?.app.latestVersion)
+                            app?.app.installedVersion !=
+                                app?.app.latestVersion &&
+                            app?.app.enhancedVersionDetection != true)
                           IconButton(
                               onPressed: app?.downloadProgress != null
                                   ? null

lib/pages/apps.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:obtainium/components/custom_app_bar.dart';
@@ -191,7 +192,7 @@ class AppsPageState extends State<AppsPage> {
             });
           },
           child: CustomScrollView(slivers: <Widget>[
-            const CustomAppBar(title: 'Apps'),
+            CustomAppBar(title: tr('appsString')),
             if (appsProvider.loadingApps || sortedApps.isEmpty)
               SliverFillRemaining(
                   child: Center(
@@ -199,8 +200,8 @@ class AppsPageState extends State<AppsPage> {
                           ? const CircularProgressIndicator()
                           : Text(
                               appsProvider.apps.isEmpty
-                                  ? 'No Apps'
-                                  : 'No Apps for Filter',
+                                  ? tr('noApps')
+                                  : tr('noAppsForFilter'),
                               style: Theme.of(context).textTheme.headlineMedium,
                               textAlign: TextAlign.center,
                             ))),
@@ -218,6 +219,9 @@ class AppsPageState extends State<AppsPage> {
             SliverList(
                 delegate: SliverChildBuilderDelegate(
                     (BuildContext context, int index) {
+              String? changesUrl = SourceProvider()
+                  .getSource(sortedApps[index].app.url)
+                  .changeLogPageFromStandardUrl(sortedApps[index].app.url);
               return ListTile(
                 tileColor: sortedApps[index].app.pinned
                     ? Colors.grey.withOpacity(0.1)
@@ -244,58 +248,53 @@ class AppsPageState extends State<AppsPage> {
                           ? FontWeight.bold
                           : FontWeight.normal),
                 ),
-                subtitle: Text('By ${sortedApps[index].app.author}',
+                subtitle: Text(tr('byX', args: [sortedApps[index].app.author]),
                     style: TextStyle(
                         fontWeight: sortedApps[index].app.pinned
                             ? FontWeight.bold
                             : FontWeight.normal)),
                 trailing: sortedApps[index].downloadProgress != null
-                    ? Text(
-                        'Downloading - ${sortedApps[index].downloadProgress?.toInt()}%')
-                    : (sortedApps[index].app.installedVersion != null &&
-                            sortedApps[index].app.installedVersion !=
-                                sortedApps[index].app.latestVersion
-                        ? Column(
+                    ? Text(tr('percentProgress', args: [
+                        sortedApps[index]
+                                .downloadProgress
+                                ?.toInt()
+                                .toString() ??
+                            '100'
+                      ]))
+                    : (Column(
                         mainAxisAlignment: MainAxisAlignment.center,
                         crossAxisAlignment: CrossAxisAlignment.end,
                         children: [
-                              Text(appsProvider.areDownloadsRunning()
-                                  ? 'Please Wait...'
-                                  : 'Update Available${sortedApps[index].app.trackOnly ? ' (Est.)' : ''}'),
-                              SourceProvider()
-                                          .getSource(sortedApps[index].app.url)
-                                          .changeLogPageFromStandardUrl(
-                                              sortedApps[index].app.url) ==
-                                      null
-                                  ? const SizedBox()
-                                  : GestureDetector(
-                                      onTap: () {
-                                        launchUrlString(
-                                            SourceProvider()
-                                                .getSource(
-                                                    sortedApps[index].app.url)
-                                                .changeLogPageFromStandardUrl(
-                                                    sortedApps[index].app.url)!,
-                                            mode:
-                                                LaunchMode.externalApplication);
-                                      },
-                                      child: const Text(
-                                        'See Changes',
-                                        style: TextStyle(
-                                            fontStyle: FontStyle.italic,
-                                            decoration:
-                                                TextDecoration.underline),
-                                      )),
-                            ],
-                          )
-                        : SingleChildScrollView(
+                          SingleChildScrollView(
                               child: SizedBox(
                                   width: 80,
                                   child: Text(
-                                  '${sortedApps[index].app.installedVersion ?? 'Not Installed'} ${sortedApps[index].app.trackOnly == true ? '(Estimate)' : ''}',
+                                    '${sortedApps[index].app.installedVersion ?? tr('notInstalled')}${sortedApps[index].app.trackOnly == true ? ' ${tr('estimateInBrackets')}' : ''}',
                                     overflow: TextOverflow.fade,
                                     textAlign: TextAlign.end,
-                                )))),
+                                  ))),
+                          sortedApps[index].app.installedVersion != null &&
+                                  sortedApps[index].app.installedVersion !=
+                                      sortedApps[index].app.latestVersion
+                              ? GestureDetector(
+                                  onTap: changesUrl == null
+                                      ? null
+                                      : () {
+                                          launchUrlString(changesUrl,
+                                              mode: LaunchMode
+                                                  .externalApplication);
+                                        },
+                                  child: Text(
+                                    '${tr('updateAvailable')}${sortedApps[index].app.trackOnly ? ' ${tr('estimateInBracketsShort')}' : ''}',
+                                    style: TextStyle(
+                                        fontStyle: FontStyle.italic,
+                                        decoration: changesUrl == null
+                                            ? TextDecoration.none
+                                            : TextDecoration.underline),
+                                  ))
+                              : const SizedBox(),
+                        ],
+                      )),
                 onTap: () {
                   if (selectedApps.isNotEmpty) {
                     toggleAppSelected(sortedApps[index].app);
@@ -327,8 +326,8 @@ class AppsPageState extends State<AppsPage> {
                   color: Theme.of(context).colorScheme.primary,
                 ),
                 tooltip: selectedApps.isEmpty
-                    ? 'Select All'
-                    : 'Deselect ${selectedApps.length.toString()}'),
+                    ? tr('selectAll')
+                    : tr('deselectN', args: [selectedApps.length.toString()])),
             const VerticalDivider(),
             Expanded(
                 child: Row(
@@ -343,12 +342,15 @@ class AppsPageState extends State<AppsPage> {
                               context: context,
                               builder: (BuildContext ctx) {
                                 return GeneratedFormModal(
-                                  title: 'Remove Selected Apps?',
+                                  title: tr('removeSelectedAppsQuestion'),
                                   items: const [],
                                   defaultValues: const [],
                                   initValid: true,
-                                  message:
-                                      '${selectedApps.length} App${selectedApps.length == 1 ? '' : 's'} will be removed from Obtainium but remain installed. You still need to uninstall ${selectedApps.length == 1 ? 'it' : 'them'} manually.',
+                                  message: tr(
+                                      'xWillBeRemovedButRemainInstalled',
+                                      args: [
+                                        plural('apps', selectedApps.length)
+                                      ]),
                                 );
                               }).then((values) {
                             if (values != null) {
@@ -357,7 +359,7 @@ class AppsPageState extends State<AppsPage> {
                             }
                           });
                         },
-                        tooltip: 'Remove Selected Apps',
+                        tooltip: tr('removeSelectedApps'),
                         icon: const Icon(Icons.delete_outline_outlined),
                       ),
                 IconButton(
@@ -373,16 +375,20 @@ class AppsPageState extends State<AppsPage> {
                             List<String> defaultValues = [];
                             if (existingUpdateIdsAllOrSelected.isNotEmpty) {
                               formInputs.add(GeneratedFormItem(
-                                  label:
-                                      'Update ${existingUpdateIdsAllOrSelected.length} App${existingUpdateIdsAllOrSelected.length == 1 ? '' : 's'}',
+                                  label: tr('updateX', args: [
+                                    plural('apps',
+                                        existingUpdateIdsAllOrSelected.length)
+                                  ]),
                                   type: FormItemType.bool,
                                   key: 'updates'));
                               defaultValues.add('true');
                             }
                             if (newInstallIdsAllOrSelected.isNotEmpty) {
                               formInputs.add(GeneratedFormItem(
-                                  label:
-                                      'Install ${newInstallIdsAllOrSelected.length} new App${newInstallIdsAllOrSelected.length == 1 ? '' : 's'}',
+                                  label: tr('installX', args: [
+                                    plural('apps',
+                                        newInstallIdsAllOrSelected.length)
+                                  ]),
                                   type: FormItemType.bool,
                                   key: 'installs'));
                               defaultValues
@@ -390,8 +396,10 @@ class AppsPageState extends State<AppsPage> {
                             }
                             if (trackOnlyUpdateIdsAllOrSelected.isNotEmpty) {
                               formInputs.add(GeneratedFormItem(
-                                  label:
-                                      'Mark ${trackOnlyUpdateIdsAllOrSelected.length} Track-Only\nApp${trackOnlyUpdateIdsAllOrSelected.length == 1 ? '' : 's'} as Updated',
+                                  label: tr('markXTrackOnlyAsUpdated', args: [
+                                    plural('apps',
+                                        trackOnlyUpdateIdsAllOrSelected.length)
+                                  ]),
                                   type: FormItemType.bool,
                                   key: 'trackonlies'));
                               defaultValues
@@ -405,8 +413,8 @@ class AppsPageState extends State<AppsPage> {
                                       newInstallIdsAllOrSelected.length +
                                       trackOnlyUpdateIdsAllOrSelected.length;
                                   return GeneratedFormModal(
-                                    title:
-                                        'Change $totalApps App${totalApps == 1 ? '' : 's'}',
+                                    title: tr('changeX',
+                                        args: [plural('apps', totalApps)]),
                                     items: formInputs.map((e) => [e]).toList(),
                                     defaultValues: defaultValues,
                                     initValid: true,
@@ -459,8 +467,9 @@ class AppsPageState extends State<AppsPage> {
                               }
                             });
                           },
-                    tooltip:
-                        'Install/Update${selectedApps.isEmpty ? ' ' : ' Selected '}Apps',
+                    tooltip: selectedApps.isEmpty
+                        ? tr('installUpdateApps')
+                        : tr('installUpdateSelectedApps'),
                     icon: const Icon(
                       Icons.file_download_outlined,
                     )),
@@ -492,11 +501,15 @@ class AppsPageState extends State<AppsPage> {
                                                                   (BuildContext
                                                                       ctx) {
                                                                 return AlertDialog(
-                                                                  title: Text(
-                                                                      'Mark ${selectedApps.length} Selected Apps as Updated?'),
-                                                                  content:
-                                                                      const Text(
-                                                                          'Only applies to installed but out of date Apps.'),
+                                                                  title: Text(tr(
+                                                                      'markXSelectedAppsAsUpdated',
+                                                                      args: [
+                                                                        selectedApps
+                                                                            .length
+                                                                            .toString()
+                                                                      ])),
+                                                                  content: Text(
+                                                                      tr('onlyAppliesToInstalledAndOutdatedApps')),
                                                                   actions: [
                                                                     TextButton(
                                                                         onPressed:
@@ -504,8 +517,8 @@ class AppsPageState extends State<AppsPage> {
                                                                           Navigator.of(context)
                                                                               .pop();
                                                                         },
-                                                                        child: const Text(
-                                                                            'No')),
+                                                                        child: Text(
+                                                                            tr('no'))),
                                                                     TextButton(
                                                                         onPressed:
                                                                             () {
@@ -513,8 +526,8 @@ class AppsPageState extends State<AppsPage> {
                                                                               .selectionClick();
                                                                           appsProvider
                                                                               .saveApps(selectedApps.map((a) {
-                                                                            if (a.installedVersion !=
-                                                                                null) {
+                                                                            if (a.installedVersion != null &&
+                                                                                !a.enhancedVersionDetection) {
                                                                               a.installedVersion = a.latestVersion;
                                                                             }
                                                                             return a;
@@ -523,8 +536,8 @@ class AppsPageState extends State<AppsPage> {
                                                                           Navigator.of(context)
                                                                               .pop();
                                                                         },
-                                                                        child: const Text(
-                                                                            'Yes'))
+                                                                        child: Text(
+                                                                            tr('yes')))
                                                                   ],
                                                                 );
                                                               }).whenComplete(() {
@@ -534,7 +547,7 @@ class AppsPageState extends State<AppsPage> {
                                                           });
                                                         },
                                               tooltip:
-                                                  'Mark Selected Apps as Updated',
+                                                  tr('markSelectedAppsUpdated'),
                                               icon: const Icon(Icons.done)),
                                           IconButton(
                                             onPressed: () {
@@ -549,8 +562,12 @@ class AppsPageState extends State<AppsPage> {
                                               }).toList());
                                               Navigator.of(context).pop();
                                             },
-                                            tooltip:
-                                                '${selectedApps.where((element) => element.pinned).isEmpty ? 'Pin to' : 'Unpin from'} top',
+                                            tooltip: selectedApps
+                                                    .where((element) =>
+                                                        element.pinned)
+                                                    .isEmpty
+                                                ? tr('pinToTop')
+                                                : tr('unpinFromTop'),
                                             icon: Icon(selectedApps
                                                     .where((element) =>
                                                         element.pinned)
@@ -568,11 +585,11 @@ class AppsPageState extends State<AppsPage> {
                                               urls = urls.substring(
                                                   0, urls.length - 1);
                                               Share.share(urls,
-                                                  subject:
-                                                      '${selectedApps.length} Selected App URLs from Obtainium');
+                                                  subject: tr(
+                                                      'selectedAppURLsFromObtainium'));
                                               Navigator.of(context).pop();
                                             },
-                                            tooltip: 'Share Selected App URLs',
+                                            tooltip: tr('shareSelectedAppURLs'),
                                             icon: const Icon(Icons.share),
                                           ),
                                           IconButton(
@@ -581,13 +598,19 @@ class AppsPageState extends State<AppsPage> {
                                                   context: context,
                                                   builder: (BuildContext ctx) {
                                                     return GeneratedFormModal(
-                                                      title:
-                                                          'Reset Install Status for Selected Apps?',
+                                                      title: tr(
+                                                          'resetInstallStatusForSelectedAppsQuestion'),
                                                       items: const [],
                                                       defaultValues: const [],
                                                       initValid: true,
-                                                      message:
-                                                          'The install status of ${selectedApps.length} App${selectedApps.length == 1 ? '' : 's'} will be reset.\n\nThis can help when the App version shown in Obtainium is incorrect due to failed updates or other issues.',
+                                                      message: tr(
+                                                          'installStatusOfXWillBeResetExplanation',
+                                                          args: [
+                                                            plural(
+                                                                'app',
+                                                                selectedApps
+                                                                    .length)
+                                                          ]),
                                                     );
                                                   }).then((values) {
                                                 if (values != null) {
@@ -601,7 +624,7 @@ class AppsPageState extends State<AppsPage> {
                                                 Navigator.of(context).pop();
                                               });
                                             },
-                                            tooltip: 'Reset Install Status',
+                                            tooltip: tr('resetInstallStatus'),
                                             icon: const Icon(
                                                 Icons.restore_page_outlined),
                                           ),
@@ -610,7 +633,7 @@ class AppsPageState extends State<AppsPage> {
                                 );
                               });
                         },
-                        tooltip: 'More',
+                        tooltip: tr('more'),
                         icon: const Icon(Icons.more_horiz),
                       ),
               ],
@@ -628,8 +651,8 @@ class AppsPageState extends State<AppsPage> {
                 });
               },
               tooltip: currentFilterIsUpdatesOnly
-                  ? 'Remove Out-of-Date App Filter'
-                  : 'Show Out-of-Date Apps Only',
+                  ? tr('removeOutdatedFilter')
+                  : tr('showOutdatedOnly'),
               icon: Icon(
                 currentFilterIsUpdatesOnly
                     ? Icons.update_disabled_rounded
@@ -641,7 +664,7 @@ class AppsPageState extends State<AppsPage> {
                 ? const SizedBox()
                 : TextButton.icon(
                     label: Text(
-                      filter == null ? 'Filter' : 'Filter *',
+                      filter == null ? tr('filter') : tr('filterActive'),
                       style: TextStyle(
                           fontWeight: filter == null
                               ? FontWeight.normal
@@ -652,22 +675,22 @@ class AppsPageState extends State<AppsPage> {
                           context: context,
                           builder: (BuildContext ctx) {
                             return GeneratedFormModal(
-                                title: 'Filter Apps',
+                                title: tr('filterApps'),
                                 items: [
                                   [
                                     GeneratedFormItem(
-                                        label: 'App Name', required: false),
+                                        label: tr('appName'), required: false),
                                     GeneratedFormItem(
-                                        label: 'Author', required: false)
+                                        label: tr('author'), required: false)
                                   ],
                                   [
                                     GeneratedFormItem(
-                                        label: 'Up to Date Apps',
+                                        label: tr('upToDateApps'),
                                         type: FormItemType.bool)
                                   ],
                                   [
                                     GeneratedFormItem(
-                                        label: 'Non-Installed Apps',
+                                        label: tr('nonInstalledApps'),
                                         type: FormItemType.bool)
                                   ]
                                 ],

lib/pages/home.dart

@@ -1,4 +1,5 @@
 import 'package:animations/animations.dart';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:obtainium/pages/add_app.dart';
@@ -25,12 +26,12 @@ class _HomePageState extends State<HomePage> {
   List<int> selectedIndexHistory = [];
 
   List<NavigationPageItem> pages = [
+    NavigationPageItem(tr('appsString'), Icons.apps,
+        AppsPage(key: GlobalKey<AppsPageState>())),
+    NavigationPageItem(tr('addApp'), Icons.add, const AddAppPage()),
     NavigationPageItem(
-        'Apps', Icons.apps, AppsPage(key: GlobalKey<AppsPageState>())),
-    NavigationPageItem('Add App', Icons.add, const AddAppPage()),
-    NavigationPageItem(
-        'Import/Export', Icons.import_export, const ImportExportPage()),
-    NavigationPageItem('Settings', Icons.settings, const SettingsPage())
+        tr('importExport'), Icons.import_export, const ImportExportPage()),
+    NavigationPageItem(tr('settings'), Icons.settings, const SettingsPage())
   ];
 
   @override

lib/pages/import_export.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:obtainium/components/custom_app_bar.dart';
@@ -41,7 +42,7 @@ class _ImportExportPageState extends State<ImportExportPage> {
     return Scaffold(
         backgroundColor: Theme.of(context).colorScheme.surface,
         body: CustomScrollView(slivers: <Widget>[
-          const CustomAppBar(title: 'Import/Export'),
+          CustomAppBar(title: tr('importExport')),
           SliverFillRemaining(
               child: Padding(
                   padding:
@@ -63,10 +64,11 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                               .exportApps()
                                               .then((String path) {
                                             showError(
-                                                'Exported to $path', context);
+                                                tr('exportedTo', args: [path]),
+                                                context);
                                           });
                                         },
-                                  child: const Text('Obtainium Export'))),
+                                  child: Text(tr('obtainiumExport')))),
                           const SizedBox(
                             width: 16,
                           ),
@@ -91,13 +93,15 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                 jsonDecode(data);
                                               } catch (e) {
                                                 throw ObtainiumError(
-                                                    'Invalid input');
+                                                    tr('invalidInput'));
                                               }
                                               appsProvider
                                                   .importApps(data)
                                                   .then((value) {
                                                 showError(
-                                                    '$value App${value == 1 ? '' : 's'} Imported',
+                                                    tr('importedX', args: [
+                                                      plural('apps', value)
+                                                    ]),
                                                     context);
                                               });
                                             } else {
@@ -111,7 +115,7 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                             });
                                           });
                                         },
-                                  child: const Text('Obtainium Import')))
+                                  child: Text(tr('obtainiumImport'))))
                         ],
                       ),
                       if (importInProgress)
@@ -138,11 +142,11 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                       context: context,
                                       builder: (BuildContext ctx) {
                                         return GeneratedFormModal(
-                                          title: 'Import from URL List',
+                                          title: tr('importFromURLList'),
                                           items: [
                                             [
                                               GeneratedFormItem(
-                                                  label: 'App URL List',
+                                                  label: tr('appURLList'),
                                                   max: 7,
                                                   additionalValidators: [
                                                     (String? value) {
@@ -159,7 +163,7 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                                 .getSource(
                                                                     lines[i]);
                                                           } catch (e) {
-                                                            return 'Line ${i + 1}: $e';
+                                                            return '${tr('line')} ${i + 1}: $e';
                                                           }
                                                         }
                                                       }
@@ -182,7 +186,9 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                           .then((errors) {
                                         if (errors.isEmpty) {
                                           showError(
-                                              'Imported ${urls.length} Apps',
+                                              tr('importedX', args: [
+                                                plural('apps', urls.length)
+                                              ]),
                                               context);
                                         } else {
                                           showDialog(
@@ -203,8 +209,8 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                     }
                                   });
                                 },
-                          child: const Text(
-                            'Import from URL List',
+                          child: Text(
+                            tr('importFromURLList'),
                           )),
                       ...sourceProvider.sources
                           .where((element) => element.canSearch)
@@ -224,13 +230,17 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                       builder:
                                                           (BuildContext ctx) {
                                                         return GeneratedFormModal(
-                                                          title:
-                                                              'Search ${source.runtimeType}',
+                                                          title: tr('searchX',
+                                                              args: [
+                                                                source
+                                                                    .runtimeType
+                                                                    .toString()
+                                                              ]),
                                                           items: [
                                                             [
                                                               GeneratedFormItem(
-                                                                  label:
-                                                                      '${source.runtimeType} Search Query')
+                                                                  label: tr(
+                                                                      'searchQuery'))
                                                             ]
                                                           ],
                                                           defaultValues: const [],
@@ -272,7 +282,13 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                         if (errors.isEmpty) {
                                                           // ignore: use_build_context_synchronously
                                                           showError(
-                                                              'Imported ${selectedUrls.length} Apps',
+                                                              tr('importedX',
+                                                                  args: [
+                                                                    plural(
+                                                                        'app',
+                                                                        selectedUrls
+                                                                            .length)
+                                                                  ]),
                                                               context);
                                                         } else {
                                                           showDialog(
@@ -291,7 +307,7 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                       }
                                                     } else {
                                                       throw ObtainiumError(
-                                                          'No results found');
+                                                          tr('noResults'));
                                                     }
                                                   }
                                                 }()
@@ -303,8 +319,9 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                   });
                                                 });
                                               },
-                                        child: Text(
-                                            'Search ${source.runtimeType}'))
+                                        child: Text(tr('searchX', args: [
+                                          source.runtimeType.toString()
+                                        ])))
                                   ]))
                           .toList(),
                       ...sourceProvider.massUrlSources
@@ -323,8 +340,10 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                       builder:
                                                           (BuildContext ctx) {
                                                         return GeneratedFormModal(
-                                                          title:
-                                                              'Import ${source.name}',
+                                                          title: tr('importX',
+                                                              args: [
+                                                                source.name
+                                                              ]),
                                                           items:
                                                               source
                                                                   .requiredArgs
@@ -363,7 +382,13 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                       if (errors.isEmpty) {
                                                         // ignore: use_build_context_synchronously
                                                         showError(
-                                                            'Imported ${selectedUrls.length} Apps',
+                                                            tr('importedX',
+                                                                args: [
+                                                                  plural(
+                                                                      'app',
+                                                                      selectedUrls
+                                                                          .length)
+                                                                ]),
                                                             context);
                                                       } else {
                                                         showDialog(
@@ -390,17 +415,17 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                   });
                                                 });
                                               },
-                                        child: Text('Import ${source.name}'))
+                                        child: Text(
+                                            tr('importX', args: [source.name])))
                                   ]))
                           .toList(),
                       const Spacer(),
                       const Divider(
                         height: 32,
                       ),
-                      const Text(
-                          'Imported Apps may incorrectly show as "Not Installed".\nTo fix this, re-install them through Obtainium.\nThis should not affect App data.\n\nOnly affects URL and third-party import methods.',
+                      Text(tr('importedAppsIdDisclaimer'),
                           textAlign: TextAlign.center,
-                          style: TextStyle(
+                          style: const TextStyle(
                               fontStyle: FontStyle.italic, fontSize: 12)),
                       const SizedBox(
                         height: 8,
@@ -427,16 +452,19 @@ class _ImportErrorDialogState extends State<ImportErrorDialog> {
   Widget build(BuildContext context) {
     return AlertDialog(
       scrollable: true,
-      title: const Text('Import Errors'),
+      title: Text(tr('importErrors')),
       content:
           Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: [
         Text(
-          '${widget.urlsLength - widget.errors.length} of ${widget.urlsLength} Apps imported.',
+          tr('importedXOfYApps', args: [
+            (widget.urlsLength - widget.errors.length).toString(),
+            widget.urlsLength.toString()
+          ]),
           style: Theme.of(context).textTheme.bodyLarge,
         ),
         const SizedBox(height: 16),
         Text(
-          'The following URLs had errors:',
+          tr('followingURLsHadErrors'),
           style: Theme.of(context).textTheme.bodyLarge,
         ),
         ...widget.errors.map((e) {
@@ -459,7 +487,7 @@ class _ImportErrorDialogState extends State<ImportErrorDialog> {
             onPressed: () {
               Navigator.of(context).pop(null);
             },
-            child: const Text('Okay'))
+            child: Text(tr('okay')))
       ],
     );
   }
@@ -505,8 +533,8 @@ class _UrlSelectionModalState extends State<UrlSelectionModal> {
   Widget build(BuildContext context) {
     return AlertDialog(
       scrollable: true,
-      title:
-          Text(widget.onlyOneSelectionAllowed ? 'Select URL' : 'Select URLs'),
+      title: Text(
+          widget.onlyOneSelectionAllowed ? tr('selectURL') : tr('selectURLs')),
       content: Column(children: [
         ...urlWithDescriptionSelections.keys.map((urlWithD) {
           return Row(children: [
@@ -564,7 +592,7 @@ class _UrlSelectionModalState extends State<UrlSelectionModal> {
             onPressed: () {
               Navigator.of(context).pop();
             },
-            child: const Text('Cancel')),
+            child: Text(tr('cancel'))),
         TextButton(
             onPressed:
                 urlWithDescriptionSelections.values.where((b) => b).isEmpty
@@ -577,8 +605,14 @@ class _UrlSelectionModalState extends State<UrlSelectionModal> {
                             .toList());
                       },
             child: Text(widget.onlyOneSelectionAllowed
-                ? 'Pick'
-                : 'Import ${urlWithDescriptionSelections.values.where((b) => b).length} URLs'))
+                ? tr('pick')
+                : tr('importX', args: [
+                    plural(
+                        'url',
+                        urlWithDescriptionSelections.values
+                            .where((b) => b)
+                            .length)
+                  ])))
       ],
     );
   }

lib/pages/settings.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:obtainium/components/custom_app_bar.dart';
 import 'package:obtainium/components/generated_form.dart';
@@ -26,20 +27,20 @@ class _SettingsPageState extends State<SettingsPage> {
     }
 
     var themeDropdown = DropdownButtonFormField(
-        decoration: const InputDecoration(labelText: 'Theme'),
+        decoration: InputDecoration(labelText: tr('theme')),
         value: settingsProvider.theme,
-        items: const [
+        items: [
           DropdownMenuItem(
             value: ThemeSettings.dark,
-            child: Text('Dark'),
+            child: Text(tr('dark')),
           ),
           DropdownMenuItem(
             value: ThemeSettings.light,
-            child: Text('Light'),
+            child: Text(tr('light')),
           ),
           DropdownMenuItem(
             value: ThemeSettings.system,
-            child: Text('Follow System'),
+            child: Text(tr('followSystem')),
           )
         ],
         onChanged: (value) {
@@ -49,16 +50,16 @@ class _SettingsPageState extends State<SettingsPage> {
         });
 
     var colourDropdown = DropdownButtonFormField(
-        decoration: const InputDecoration(labelText: 'Colour'),
+        decoration: InputDecoration(labelText: tr('colour')),
         value: settingsProvider.colour,
-        items: const [
+        items: [
           DropdownMenuItem(
             value: ColourSettings.basic,
-            child: Text('Obtainium'),
+            child: Text(tr('obtainium')),
           ),
           DropdownMenuItem(
             value: ColourSettings.materialYou,
-            child: Text('Material You'),
+            child: Text(tr('materialYou')),
           )
         ],
         onChanged: (value) {
@@ -68,20 +69,20 @@ class _SettingsPageState extends State<SettingsPage> {
         });
 
     var sortDropdown = DropdownButtonFormField(
-        decoration: const InputDecoration(labelText: 'App Sort By'),
+        decoration: InputDecoration(labelText: tr('appSortBy')),
         value: settingsProvider.sortColumn,
-        items: const [
+        items: [
           DropdownMenuItem(
             value: SortColumnSettings.authorName,
-            child: Text('Author/Name'),
+            child: Text(tr('authorName')),
           ),
           DropdownMenuItem(
             value: SortColumnSettings.nameAuthor,
-            child: Text('Name/Author'),
+            child: Text(tr('nameAuthor')),
           ),
           DropdownMenuItem(
             value: SortColumnSettings.added,
-            child: Text('As Added'),
+            child: Text(tr('asAdded')),
           )
         ],
         onChanged: (value) {
@@ -91,16 +92,16 @@ class _SettingsPageState extends State<SettingsPage> {
         });
 
     var orderDropdown = DropdownButtonFormField(
-        decoration: const InputDecoration(labelText: 'App Sort Order'),
+        decoration: InputDecoration(labelText: tr('appSortOrder')),
         value: settingsProvider.sortOrder,
-        items: const [
+        items: [
           DropdownMenuItem(
             value: SortOrderSettings.ascending,
-            child: Text('Ascending'),
+            child: Text(tr('ascending')),
           ),
           DropdownMenuItem(
             value: SortOrderSettings.descending,
-            child: Text('Descending'),
+            child: Text(tr('descending')),
           ),
         ],
         onChanged: (value) {
@@ -110,8 +111,7 @@ class _SettingsPageState extends State<SettingsPage> {
         });
 
     var intervalDropdown = DropdownButtonFormField(
-        decoration: const InputDecoration(
-            labelText: 'Background Update Checking Interval'),
+        decoration: InputDecoration(labelText: tr('bgUpdateCheckInterval')),
         value: settingsProvider.updateInterval,
         items: updateIntervals.map((e) {
           int displayNum = (e < 60
@@ -120,15 +120,13 @@ class _SettingsPageState extends State<SettingsPage> {
                       ? e / 60
                       : e / 1440)
               .round();
-          var displayUnit = (e < 60
-              ? 'Minute'
-              : e < 1440
-                  ? 'Hour'
-                  : 'Day');
-
           String display = e == 0
-              ? 'Never - Manual Only'
-              : '$displayNum $displayUnit${displayNum == 1 ? '' : 's'}';
+              ? tr('neverManualOnly')
+              : (e < 60
+                  ? plural('minute', displayNum)
+                  : e < 1440
+                      ? plural('hour', displayNum)
+                      : plural('day', displayNum));
           return DropdownMenuItem(value: e, child: Text(display));
         }).toList(),
         onChanged: (value) {
@@ -167,7 +165,7 @@ class _SettingsPageState extends State<SettingsPage> {
     return Scaffold(
         backgroundColor: Theme.of(context).colorScheme.surface,
         body: CustomScrollView(slivers: <Widget>[
-          const CustomAppBar(title: 'Settings'),
+          CustomAppBar(title: tr('settings')),
           SliverToBoxAdapter(
               child: Padding(
                   padding: const EdgeInsets.all(16),
@@ -177,7 +175,7 @@ class _SettingsPageState extends State<SettingsPage> {
                           crossAxisAlignment: CrossAxisAlignment.start,
                           children: [
                             Text(
-                              'Appearance',
+                              tr('appearance'),
                               style: TextStyle(
                                   color: Theme.of(context).colorScheme.primary),
                             ),
@@ -200,7 +198,7 @@ class _SettingsPageState extends State<SettingsPage> {
                             Row(
                               mainAxisAlignment: MainAxisAlignment.spaceBetween,
                               children: [
-                                const Text('Show Source Webpage in App View'),
+                                Text(tr('showWebInAppView')),
                                 Switch(
                                     value: settingsProvider.showAppWebpage,
                                     onChanged: (value) {
@@ -212,7 +210,7 @@ class _SettingsPageState extends State<SettingsPage> {
                             Row(
                               mainAxisAlignment: MainAxisAlignment.spaceBetween,
                               children: [
-                                const Text('Pin Updates to Top of Apps View'),
+                                Text(tr('pinUpdates')),
                                 Switch(
                                     value: settingsProvider.pinUpdates,
                                     onChanged: (value) {
@@ -225,7 +223,7 @@ class _SettingsPageState extends State<SettingsPage> {
                             ),
                             height16,
                             Text(
-                              'Updates',
+                              tr('updates'),
                               style: TextStyle(
                                   color: Theme.of(context).colorScheme.primary),
                             ),
@@ -234,7 +232,7 @@ class _SettingsPageState extends State<SettingsPage> {
                               height: 48,
                             ),
                             Text(
-                              'Source-Specific',
+                              tr('sourceSpecific'),
                               style: TextStyle(
                                   color: Theme.of(context).colorScheme.primary),
                             ),
@@ -256,15 +254,15 @@ class _SettingsPageState extends State<SettingsPage> {
                             mode: LaunchMode.externalApplication);
                       },
                       icon: const Icon(Icons.code),
-                      label: const Text(
-                        'App Source',
+                      label: Text(
+                        tr('appSource'),
                       ),
                     ),
                     TextButton.icon(
                         onPressed: () {
                           context.read<LogsProvider>().get().then((logs) {
                             if (logs.isEmpty) {
-                              showError(ObtainiumError('No Logs'), context);
+                              showError(ObtainiumError(tr('noLogs')), context);
                             } else {
                               showDialog(
                                   context: context,
@@ -275,7 +273,7 @@ class _SettingsPageState extends State<SettingsPage> {
                           });
                         },
                         icon: const Icon(Icons.bug_report_outlined),
-                        label: const Text('App Logs')),
+                        label: Text(tr('appLogs'))),
                   ],
                 ),
                 height16,
@@ -306,7 +304,7 @@ class _LogsDialogState extends State<LogsDialog> {
           .then((value) {
         setState(() {
           String l = value.map((e) => e.toString()).join('\n\n');
-          logString = l.isNotEmpty ? l : 'No Logs';
+          logString = l.isNotEmpty ? l : tr('noLogs');
         });
       });
     }
@@ -317,7 +315,7 @@ class _LogsDialogState extends State<LogsDialog> {
 
     return AlertDialog(
       scrollable: true,
-      title: const Text('Obtainium App Logs'),
+      title: Text(tr('appLogs')),
       content: Column(
         children: [
           DropdownButtonFormField(
@@ -325,7 +323,7 @@ class _LogsDialogState extends State<LogsDialog> {
               items: days
                   .map((e) => DropdownMenuItem(
                         value: e,
-                        child: Text('$e Day${e == 1 ? '' : 's'}'),
+                        child: Text(plural('day', e)),
                       ))
                   .toList(),
               onChanged: (d) {
@@ -342,13 +340,13 @@ class _LogsDialogState extends State<LogsDialog> {
             onPressed: () {
               Navigator.of(context).pop();
             },
-            child: const Text('Close')),
+            child: Text(tr('close'))),
         TextButton(
             onPressed: () {
-              Share.share(logString ?? '', subject: 'Obtainium App Logs');
+              Share.share(logString ?? '', subject: tr('appLogs'));
               Navigator.of(context).pop();
             },
-            child: const Text('Share'))
+            child: Text(tr('share')))
       ],
     );
   }

lib/providers/apps_provider.dart

@@ -6,9 +6,9 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:device_info_plus/device_info_plus.dart';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:fluttertoast/fluttertoast.dart';
 import 'package:install_plugin_v2/install_plugin_v2.dart';
 import 'package:installed_apps/app_info.dart';
 import 'package:installed_apps/installed_apps.dart';
@@ -105,19 +105,23 @@ class AppsProvider with ChangeNotifier {
       }
       if (response.statusCode != 200) {
         tempDownloadedFile.deleteSync();
-        throw response.reasonPhrase ?? 'Unknown Error';
+        throw response.reasonPhrase ?? tr('unexpectedError');
       }
       tempDownloadedFile.renameSync(downloadedFile.path);
     }
     return downloadedFile;
   }
 
-  Future<DownloadedApk> downloadApp(App app) async {
+  Future<DownloadedApk> downloadApp(App app, BuildContext? context) async {
     var fileName =
         '${app.id}-${app.latestVersion}-${app.preferredApkIndex}.apk';
     String downloadUrl = await SourceProvider()
         .getSource(app.url)
         .apkUrlPrefetchModifier(app.apkUrls[app.preferredApkIndex]);
+    NotificationsProvider? notificationsProvider =
+        context?.read<NotificationsProvider>();
+    var notif = DownloadNotification(app.name, 100);
+    notificationsProvider?.cancel(notif.id);
     int? prevProg;
     File downloadedFile =
         await downloadFile(downloadUrl, fileName, (double? progress) {
@@ -125,12 +129,14 @@ class AppsProvider with ChangeNotifier {
       if (apps[app.id] != null) {
         apps[app.id]!.downloadProgress = progress;
         notifyListeners();
-      } else if ((prog == 25 || prog == 50 || prog == 75) && prevProg != prog) {
-        Fluttertoast.showToast(
-            msg: 'Progress: $prog%', toastLength: Toast.LENGTH_SHORT);
+      }
+      notif = DownloadNotification(app.name, prog ?? 100);
+      if (prog != null && prevProg != prog) {
+        notificationsProvider?.notify(notif);
       }
       prevProg = prog;
     });
+    notificationsProvider?.cancel(notif.id);
     // Delete older versions of the APK if any
     for (var file in downloadedFile.parent.listSync()) {
       var fn = file.path.split('/').last;
@@ -272,7 +278,7 @@ class AppsProvider with ChangeNotifier {
     // 2. That cannot be installed silently (IF no buildContext was given for interactive install)
     for (var id in appIds) {
       if (apps[id] == null) {
-        throw ObtainiumError('App not found');
+        throw ObtainiumError(tr('appNotFound'));
       }
       String? apkUrl;
       if (!apps[id]!.app.trackOnly) {
@@ -303,7 +309,7 @@ class AppsProvider with ChangeNotifier {
     List<DownloadedApk?> downloadedFiles =
         await Future.wait(appsToInstall.map((id) async {
       try {
-        return await downloadApp(apps[id]!.app);
+        return await downloadApp(apps[id]!.app, context);
       } catch (e) {
         errors.add(id, e.toString());
       }
@@ -394,9 +400,9 @@ class AppsProvider with ChangeNotifier {
   }
 
   // If the App says it is installed but installedInfo is null, set it to not installed
-  // If the App says is is not installed but installedInfo exists, try to set it to installed as latest version...
-  // ...if the latestVersion seems to match the version in installedInfo (not guaranteed)
-  // If that fails, just set it to the actual version string (all we can do at that point)
+  // If the App says is is not installed but installedInfo exists, set it to the real installed version
+  // If the internal version does not match the real one, sync them if the App supports enhanced version detection
+  // Enhanced version detection will be true if the version extracted from source matches the standard version format
   // Don't save changes, just return the object if changes were made (else null)
   // If in a background isolate, return null straight away as the required plugin won't work anyways
   App? getCorrectedInstallStatusAppIfPossible(App app, AppInfo? installedInfo) {
@@ -409,28 +415,21 @@ class AppsProvider with ChangeNotifier {
         !app.trackOnly) {
       app.installedVersion = null;
       modded = true;
-    }
-    if (installedInfo != null && app.installedVersion == null) {
-      if (app.latestVersion.characters
-              .where((p0) => [
-                    '0',
-                    '1',
-                    '2',
-                    '3',
-                    '4',
-                    '5',
-                    '6',
-                    '7',
-                    '8',
-                    '9',
-                    '.'
-                  ].contains(p0))
-              .join('') ==
-          installedInfo.versionName) {
+    } else if (installedInfo != null && app.installedVersion == null) {
+      if (app.enhancedVersionDetection) {
+        app.installedVersion = installedInfo.versionName;
+      } else {
+        if (app.latestVersion.contains(installedInfo.versionName!)) {
           app.installedVersion = app.latestVersion;
         } else {
           app.installedVersion = installedInfo.versionName;
         }
+      }
+      modded = true;
+    } else if (installedInfo?.versionName != app.installedVersion &&
+        app.enhancedVersionDetection &&
+        !app.trackOnly) {
+      app.installedVersion = installedInfo?.versionName;
       modded = true;
     }
     return modded ? app : null;
@@ -601,13 +600,13 @@ class AppsProvider with ChangeNotifier {
 
   Future<String> exportApps() async {
     Directory? exportDir = Directory('/storage/emulated/0/Download');
-    String path = 'Downloads';
+    String path = 'Downloads'; // TODO: Is this true on non-english phones?
     if (!exportDir.existsSync()) {
       exportDir = await getExternalStorageDirectory();
       path = exportDir!.path;
     }
     File export = File(
-        '${exportDir.path}/obtainium-export-${DateTime.now().millisecondsSinceEpoch}.json');
+        '${exportDir.path}/${tr('obtainiumExportHyphenatedLowercase')}-${DateTime.now().millisecondsSinceEpoch}.json');
     export.writeAsStringSync(
         jsonEncode(apps.values.map((e) => e.app.toJson()).toList()));
     return path;
@@ -643,7 +642,7 @@ class AppsProvider with ChangeNotifier {
     Map<String, dynamic> errorsMap = results[1];
     for (var app in pps) {
       if (apps.containsKey(app.id)) {
-        errorsMap.addAll({app.id: 'App already added'});
+        errorsMap.addAll({app.id: tr('appAlreadyAdded')});
       } else {
         await saveApps([app]);
       }
@@ -673,9 +672,9 @@ class _APKPickerState extends State<APKPicker> {
     apkUrl ??= widget.initVal;
     return AlertDialog(
       scrollable: true,
-      title: const Text('Pick an APK'),
+      title: Text(tr('pickAnAPK')),
       content: Column(children: [
-        Text('${widget.app.name} has more than one package:'),
+        Text(tr('appHasMoreThanOnePackage', args: [widget.app.name])),
         const SizedBox(height: 16),
         ...widget.app.apkUrls.map(
           (u) => RadioListTile<String>(
@@ -697,7 +696,11 @@ class _APKPickerState extends State<APKPicker> {
           ),
         if (widget.archs != null)
           Text(
-            'Note:\nYour device supports the ${widget.archs!.length == 1 ? '\'${widget.archs![0]}\' CPU architecture.' : 'following CPU architectures: ${list2FriendlyString(widget.archs!.map((e) => '\'$e\'').toList())}.'}',
+            widget.archs!.length == 1
+                ? tr('deviceSupportsXArch', args: [widget.archs![0]])
+                : tr('deviceSupportsFollowingArchs') +
+                    list2FriendlyString(
+                        widget.archs!.map((e) => '\'$e\'').toList()),
             style: const TextStyle(fontStyle: FontStyle.italic, fontSize: 12),
           ),
       ]),
@@ -706,13 +709,13 @@ class _APKPickerState extends State<APKPicker> {
             onPressed: () {
               Navigator.of(context).pop(null);
             },
-            child: const Text('Cancel')),
+            child: Text(tr('cancel'))),
         TextButton(
             onPressed: () {
               HapticFeedback.selectionClick();
               Navigator.of(context).pop(apkUrl);
             },
-            child: const Text('Continue'))
+            child: Text(tr('continue')))
       ],
     );
   }
@@ -734,21 +737,23 @@ class _APKOriginWarningDialogState extends State<APKOriginWarningDialog> {
   Widget build(BuildContext context) {
     return AlertDialog(
       scrollable: true,
-      title: const Text('Warning'),
-      content: Text(
-          'The App source is \'${Uri.parse(widget.sourceUrl).host}\' but the release package comes from \'${Uri.parse(widget.apkUrl).host}\'. Continue?'),
+      title: Text(tr('warning')),
+      content: Text(tr('sourceIsXButPackageFromYPrompt', args: [
+        Uri.parse(widget.sourceUrl).host,
+        Uri.parse(widget.apkUrl).host
+      ])),
       actions: [
         TextButton(
             onPressed: () {
               Navigator.of(context).pop(null);
             },
-            child: const Text('Cancel')),
+            child: Text(tr('cancel'))),
         TextButton(
             onPressed: () {
               HapticFeedback.selectionClick();
               Navigator.of(context).pop(true);
             },
-            child: const Text('Continue'))
+            child: Text(tr('continue')))
       ],
     );
   }

lib/providers/logs_provider.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/foundation.dart';
 import 'package:sqflite/sqflite.dart';
 
@@ -85,7 +86,9 @@ create table if not exists $logTable (
     var res = await (await getDB())
         .delete(logTable, where: where.key, whereArgs: where.value);
     if (res > 0) {
-      add('Cleared $res logs (before = $before, after = $after)');
+      add(plural('clearedNLogsBeforeXAfterY', res,
+          namedArgs: {'before': before.toString(), 'after': after.toString()},
+          name: 'n'));
     }
     return res;
   }

lib/providers/notifications_provider.dart

@@ -1,6 +1,7 @@
 // Exposes functions that can be used to send notifications to the user
 // Contains a set of pre-defined ObtainiumNotification objects that should be used throughout the app
 
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:obtainium/providers/source_provider.dart';
 
@@ -12,42 +13,41 @@ class ObtainiumNotification {
   late String channelName;
   late String channelDescription;
   Importance importance;
+  bool onlyAlertOnce;
 
   ObtainiumNotification(this.id, this.title, this.message, this.channelCode,
-      this.channelName, this.channelDescription, this.importance);
+      this.channelName, this.channelDescription, this.importance,
+      {this.onlyAlertOnce = false});
 }
 
 class UpdateNotification extends ObtainiumNotification {
   UpdateNotification(List<App> updates)
       : super(
             2,
-            'Updates Available',
+            tr('updatesAvailable'),
             '',
             'UPDATES_AVAILABLE',
-            'Updates Available',
-            'Notifies the user that updates are available for one or more Apps tracked by Obtainium',
+            tr('updatesAvailable'),
+            tr('updatesAvailableNotifDescription'),
             Importance.max) {
     message = updates.isEmpty
-        ? "No new updates."
+        ? tr('noNewUpdates')
         : updates.length == 1
-            ? '${updates[0].name} has an update.'
-            : '${(updates.length == 2 ? '${updates[0].name} and ${updates[1].name}' : '${updates[0].name} and ${updates.length - 1} more apps')} have updates.';
+            ? tr('xHasAnUpdate', args: [updates[0].name])
+            : plural('xAndNMoreUpdatesAvailable', updates.length - 1,
+                args: [updates[0].name]);
   }
 }
 
 class SilentUpdateNotification extends ObtainiumNotification {
   SilentUpdateNotification(List<App> updates)
-      : super(
-            3,
-            'Apps Updated',
-            '',
-            'APPS_UPDATED',
-            'Apps Updated',
-            'Notifies the user that updates to one or more Apps were applied in the background',
-            Importance.defaultImportance) {
+      : super(3, tr('appsUpdated'), '', 'APPS_UPDATED', tr('appsUpdated'),
+            tr('appsUpdatedNotifDescription'), Importance.defaultImportance) {
     message = updates.length == 1
-        ? '${updates[0].name} was updated to ${updates[0].latestVersion}.'
-        : '${(updates.length == 2 ? '${updates[0].name} and ${updates[1].name}' : '${updates[0].name} and ${updates.length - 1} more apps')} were updated.';
+        ? tr('xWasUpdatedToY',
+            args: [updates[0].name, updates[0].latestVersion])
+        : plural('xAndNMoreUpdatesInstalled', updates.length - 1,
+            args: [updates[0].name]);
   }
 }
 
@@ -55,48 +55,57 @@ class ErrorCheckingUpdatesNotification extends ObtainiumNotification {
   ErrorCheckingUpdatesNotification(String error)
       : super(
             5,
-            'Error Checking for Updates',
+            tr('errorCheckingUpdates'),
             error,
             'BG_UPDATE_CHECK_ERROR',
-            'Error Checking for Updates',
-            'A notification that shows when background update checking fails',
+            tr('errorCheckingUpdates'),
+            tr('errorCheckingUpdatesNotifDescription'),
             Importance.high);
 }
 
 class AppsRemovedNotification extends ObtainiumNotification {
   AppsRemovedNotification(List<List<String>> namedReasons)
-      : super(
-            6,
-            'Apps Removed',
-            '',
-            'APPS_REMOVED',
-            'Apps Removed',
-            'Notifies the user that one or more Apps were removed due to errors while loading them',
-            Importance.max) {
+      : super(6, tr('appsRemoved'), '', 'APPS_REMOVED', tr('appsRemoved'),
+            tr('appsRemovedNotifDescription'), Importance.max) {
     message = '';
     for (var r in namedReasons) {
-      message += '${r[0]} was removed due to this error: ${r[1]}. \n';
+      message += '${tr('xWasRemovedDueToErrorY', args: [r[0], r[1]])} \n';
     }
     message = message.trim();
   }
 }
 
+class DownloadNotification extends ObtainiumNotification {
+  DownloadNotification(String appName, int progPercent)
+      : super(
+            appName.hashCode,
+            'Downloading $appName',
+            '$progPercent%',
+            'APP_DOWNLOADING',
+            'Downloading App',
+            'Notifies the user of the progress in downloading an App',
+            Importance.defaultImportance,
+            onlyAlertOnce: true) {
+    message = tr('percentProgress', args: [progPercent.toString()]);
+  }
+}
+
 final completeInstallationNotification = ObtainiumNotification(
     1,
-    'Complete App Installation',
-    'Obtainium must be open to install Apps',
+    tr('completeAppInstallation'),
+    tr('obtainiumMustBeOpenToInstallApps'),
     'COMPLETE_INSTALL',
-    'Complete App Installation',
-    'Asks the user to return to Obtanium to finish installing an App',
+    tr('completeAppInstallation'),
+    tr('completeAppInstallationNotifDescription'),
     Importance.max);
 
 final checkingUpdatesNotification = ObtainiumNotification(
     4,
-    'Checking for Updates',
+    tr('checkingForUpdates'),
     '',
     'BG_UPDATE_CHECK',
-    'Checking for Updates',
-    'Transient notification that appears when checking for updates',
+    tr('checkingForUpdates'),
+    tr('checkingForUpdatesNotifDescription'),
     Importance.min);
 
 class NotificationsProvider {
@@ -136,7 +145,9 @@ class NotificationsProvider {
       String channelName,
       String channelDescription,
       Importance importance,
-      {bool cancelExisting = false}) async {
+      {bool cancelExisting = false,
+      int? progPercent,
+      bool onlyAlertOnce = false}) async {
     if (cancelExisting) {
       await cancel(id);
     }
@@ -152,12 +163,16 @@ class NotificationsProvider {
                 channelDescription: channelDescription,
                 importance: importance,
                 priority: importanceToPriority[importance]!,
-                groupKey: 'dev.imranr.obtainium.$channelCode')));
+                groupKey: 'dev.imranr.obtainium.$channelCode',
+                progress: progPercent ?? 0,
+                maxProgress: 100,
+                showProgress: progPercent != null,
+                onlyAlertOnce: onlyAlertOnce)));
   }
 
   Future<void> notify(ObtainiumNotification notif,
           {bool cancelExisting = false}) =>
       notifyRaw(notif.id, notif.title, notif.message, notif.channelCode,
           notif.channelName, notif.channelDescription, notif.importance,
-          cancelExisting: cancelExisting);
+          cancelExisting: cancelExisting, onlyAlertOnce: notif.onlyAlertOnce);
 }

lib/providers/settings_provider.dart

@@ -1,5 +1,6 @@
 // Exposes functions used to save/load app settings
 
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:obtainium/app_sources/github.dart';
@@ -109,8 +110,7 @@ class SettingsProvider with ChangeNotifier {
     while (!(await Permission.requestInstallPackages.isGranted)) {
       // Explicit request as InstallPlugin request sometimes bugged
       Fluttertoast.showToast(
-          msg: 'Please allow Obtainium to install Apps',
-          toastLength: Toast.LENGTH_LONG);
+          msg: tr('pleaseAllowInstallPerm'), toastLength: Toast.LENGTH_LONG);
       if ((await Permission.requestInstallPackages.request()) ==
           PermissionStatus.granted) {
         break;

lib/providers/source_provider.dart

@@ -3,6 +3,7 @@
 
 import 'dart:convert';
 
+import 'package:easy_localization/easy_localization.dart';
 import 'package:html/dom.dart';
 import 'package:http/http.dart';
 import 'package:obtainium/app_sources/apkmirror.dart';
@@ -26,9 +27,15 @@ class AppNames {
 
 class APKDetails {
   late String version;
+  late String versionFromSource;
+  late bool isStandardVersion;
   late List<String> apkUrls;
 
-  APKDetails(this.version, this.apkUrls);
+  APKDetails(this.versionFromSource, this.apkUrls) {
+    var temp = extractStandardVersionName(versionFromSource);
+    isStandardVersion = temp != null;
+    version = temp ?? versionFromSource;
+  }
 }
 
 class App {
@@ -44,6 +51,7 @@ class App {
   late DateTime? lastUpdateCheck;
   bool pinned = false;
   bool trackOnly = false;
+  bool enhancedVersionDetection = false;
   App(
       this.id,
       this.url,
@@ -56,7 +64,8 @@ class App {
       this.additionalData,
       this.lastUpdateCheck,
       this.pinned,
-      this.trackOnly);
+      this.trackOnly,
+      this.enhancedVersionDetection);
 
   @override
   String toString() {
@@ -85,7 +94,8 @@ class App {
           ? null
           : DateTime.fromMicrosecondsSinceEpoch(json['lastUpdateCheck']),
       json['pinned'] ?? false,
-      json['trackOnly'] ?? false);
+      json['trackOnly'] ?? false,
+      json['enhancedVersionDetection'] ?? false);
 
   Map<String, dynamic> toJson() => {
         'id': id,
@@ -99,7 +109,8 @@ class App {
         'additionalData': jsonEncode(additionalData),
         'lastUpdateCheck': lastUpdateCheck?.microsecondsSinceEpoch,
         'pinned': pinned,
-        'trackOnly': trackOnly
+        'trackOnly': trackOnly,
+        'enhancedVersionDetection': enhancedVersionDetection
       };
 }
 
@@ -120,13 +131,6 @@ preStandardizeUrl(String url) {
   return url;
 }
 
-const String couldNotFindReleases = 'Could not find a suitable release';
-const String couldNotFindLatestVersion =
-    'Could not determine latest release version';
-String notValidURL(String sourceName) {
-  return 'Not a valid $sourceName App URL';
-}
-
 const String noAPKFound = 'No APK found';
 
 List<String> getLinksFromParsedHTML(
@@ -164,7 +168,7 @@ class AppSource {
   // Some additional data may be needed for Apps regardless of Source
   final List<GeneratedFormItem> additionalAppSpecificSourceAgnosticFormItems = [
     GeneratedFormItem(
-        label: 'Track-Only',
+        label: tr('trackOnly'),
         type: FormItemType.bool,
         key: 'trackOnlyFormItemKey')
   ];
@@ -192,8 +196,15 @@ class AppSource {
 }
 
 ObtainiumError getObtainiumHttpError(Response res) {
-  return ObtainiumError(
-      res.reasonPhrase ?? 'Error ${res.statusCode.toString()}');
+  return ObtainiumError(res.reasonPhrase ??
+      tr('errorWithHttpStatusCode', args: [res.statusCode.toString()]));
+}
+
+String? extractStandardVersionName(String version, {bool strict = false}) {
+  var match =
+      RegExp('${strict ? '^' : ''}[0-9]+(\\.[0-9]+)+${strict ? '\$' : ''}')
+          .firstMatch(version);
+  return match != null ? version.substring(match.start, match.end) : null;
 }
 
 abstract class MassAppUrlSource {
@@ -254,6 +265,7 @@ class SourceProvider {
     }
     for (int i = 0; i < parts.length - 1; i++) {
       if (RegExp('.*[A-Z].*').hasMatch(parts[i])) {
+        // TODO: RegEx won't work for non-eng chars
         return false;
       }
     }
@@ -273,6 +285,12 @@ class SourceProvider {
     if (apk.apkUrls.isEmpty && !trackOnly) {
       throw NoAPKError();
     }
+    bool enhancedVersionDetection = apk.isStandardVersion &&
+        installedVersion != null &&
+        extractStandardVersionName(installedVersion, strict: true) != null;
+    if (!enhancedVersionDetection) {
+      apk.version = apk.versionFromSource;
+    }
     String apkVersion = apk.version.replaceAll('/', '-');
     return App(
         id ??
@@ -290,7 +308,8 @@ class SourceProvider {
         additionalData,
         DateTime.now(),
         pinned,
-        trackOnly);
+        trackOnly,
+        enhancedVersionDetection);
   }
 
   // Returns errors in [results, errors] instead of throwing them

pubspec.lock

@@ -141,6 +141,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.5.4"
+  easy_localization:
+    dependency: "direct main"
+    description:
+      name: easy_localization
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  easy_logger:
+    dependency: transitive
+    description:
+      name: easy_logger
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.2"
   fake_async:
     dependency: transitive
     description:
@@ -168,7 +182,7 @@ packages:
       name: file_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.2.2"
+    version: "5.2.3"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -180,7 +194,7 @@ packages:
       name: flutter_fgbg
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.1"
+    version: "0.2.2"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
@@ -216,6 +230,11 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.0.0"
+  flutter_localizations:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -282,6 +301,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.17.0"
   js:
     dependency: transitive
     description:
@@ -330,7 +356,7 @@ packages:
       name: mime
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   nested:
     dependency: transitive
     description:
@@ -573,7 +599,7 @@ packages:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0+3"
+    version: "2.2.1"
   sqflite_common:
     dependency: transitive
     description:

pubspec.yaml

@@ -17,7 +17,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.8.1+64 # When changing this, update the tag in main() accordingly
+version: 0.8.4+67 # When changing this, update the tag in main() accordingly
 
 environment:
   sdk: '>=2.18.2 <3.0.0'
@@ -57,6 +57,7 @@ dependencies:
   package_archive_info: ^0.1.0
   android_alarm_manager_plus: ^2.1.0
   sqflite: ^2.2.0+3
+  easy_localization: ^3.0.1
 
 
 dev_dependencies:
@@ -89,10 +90,13 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
+  # - assets:
   #   - images/a_dot_burr.jpeg
   #   - images/a_dot_ham.jpeg
   
+  assets:
+    - assets/translations/
+
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware