Switch to per-app BG update tasks

assets/translations/bs.json

@@ -1,4 +1,4 @@
- {
+{
    "invalidURLForSource": "Nije važeći URL aplikacije {}",
    "noReleaseFound": "Nije moguće pronaći odgovarajuće izdanje",
    "noVersionFound": "Nije moguće odrediti verziju izdanja",
@@ -11,12 +11,6 @@
    "unexpectedError": "Neočekivana greška",
    "ok": "Dobro",
    "and": "i",
-   "startedBgUpdateTask": "Započeo je pozadinski zadatak provjere ažuriranja",
-   "bgUpdateIgnoreAfterIs": "ignoreAfter pozadinskog zadataka je  {}",
-   "startedActualBGUpdateCheck": "Započela je stvarna provjera ažuriranja",
-   "bgUpdateTaskFinished": "Završen zadatak provjere ažuriranja",
-   "firstRun": "Ovo je prvi put da pokrećete Obtainium",
-   "settingUpdateCheckIntervalTo": "Podešavanje intervala ažuriranja na {}",
    "githubPATLabel": "GitHub token za lični pristup (eng. PAT, povećava ograničenje stope)",
    "githubPATHint": "PAT mora biti u ovom formatu: korisničko_ime:token",
    "githubPATFormat": "korisničko_ime:token",
@@ -249,7 +243,7 @@
    "customLinkFilterRegex": "Custom Link Filter by Regular Expression (Default '.apk$')",
    "appsPossiblyUpdated": "App Updates Attempted",
    "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-   "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+   "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
    "removeAppQuestion": {
       "one": "Želite li ukloniti aplikaciju?",
       "other": "Želite li ukloniti aplikacije?"
@@ -299,7 +293,7 @@
       "other": "{} i još {} aplikacija je ažurirano."
    },
    "xAndNMoreUpdatesPossiblyInstalled": {
-       "one": "Attempts were made to update {} and 1 more app.",
+      "one": "{} and 1 more app may have been updated.",
-       "other": "Attempts were made to update {} and {} more apps."
+      "other": "{} and {} more apps may have been updated."
    }
 }

assets/translations/de.json

@@ -11,12 +11,6 @@
     "unexpectedError": "Unerwarteter Fehler",
     "ok": "Okay",
     "and": "und",
-    "startedBgUpdateTask": "Hintergrundaktualisierungsprüfung gestartet",
-    "bgUpdateIgnoreAfterIs": "Hintergrundaktualisierung 'ignoreAfter' ist {}",
-    "startedActualBGUpdateCheck": "Überprüfung der Hintergrundaktualisierung gestartet",
-    "bgUpdateTaskFinished": "Hintergrundaktualisierungsprüfung abgeschlossen",
-    "firstRun": "Dies ist der erste Start von Obtainium überhaupt",
-    "settingUpdateCheckIntervalTo": "Aktualisierungsintervall auf {} stellen",
     "githubPATLabel": "GitHub Personal Access Token (Erhöht das Ratenlimit)",
     "githubPATHint": "PAT muss in diesem Format sein: Benutzername:Token",
     "githubPATFormat": "Benutzername:Token",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "Benutzerdefinierter Link Filter nach Regulärem Ausdruck (Standard '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "App entfernen?",
         "other": "Apps entfernen?"
@@ -299,7 +293,7 @@
         "other": "{} und {} weitere Anwendungen wurden aktualisiert."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/en.json

@@ -11,12 +11,6 @@
     "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",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "Custom Link Filter by Regular Expression (Default '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "Remove App?",
         "other": "Remove Apps?"
@@ -295,11 +289,11 @@
         "other": "{} and {} more apps have updates."
     },
     "xAndNMoreUpdatesInstalled": {
-        "one": "{} and 1 more app were updated.",
+        "one": "{} and 1 more app was updated.",
         "other": "{} and {} more apps were updated."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/es.json

@@ -11,12 +11,6 @@
     "unexpectedError": "Error Inesperado",
     "ok": "Correcto",
     "and": "y",
-    "startedBgUpdateTask": "Empezada la tarea de comprobación de actualizaciones en segundo plano",
-    "bgUpdateIgnoreAfterIs": "El parámetro ignoreAfter de la actualización en segundo plano es  {}",
-    "startedActualBGUpdateCheck": "Ha comenzado la comprobación de actualizaciones en segundo plano",
-    "bgUpdateTaskFinished": "Ha finalizado la comprobación de actualizaciones en segundo plano",
-    "firstRun": "Esta es la primera ejecución de Obtainium",
-    "settingUpdateCheckIntervalTo": "Cambiando intervalo de actualización a {}",
     "githubPATLabel": "Token de Acceso Personal de GitHub (Reduce tiempos de espera)",
     "githubPATHint": "El TAP debe tener este formato: nombre_de_usuario:token",
     "githubPATFormat": "nombre_de_usuario:token",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "Custom Link Filter by Regular Expression (Default '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "¿Eliminar Aplicación?",
         "other": "¿Eliminar Aplicaciones?"
@@ -299,7 +293,7 @@
         "other": "{} y {} aplicaciones más han sido actualizadas."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/fa.json

@@ -11,12 +11,6 @@
     "unexpectedError": "خطای غیرمنتظره",
     "ok": "باشه",
     "and": "و",
-    "startedBgUpdateTask": "شروع بررسی بروزرسانی BG",
-    "bgUpdateIgnoreAfterIs": "نادیده گرفتن بروزرسانی BG بعد از {} است",
-    "startedActualBGUpdateCheck": "بررسی به‌روزرسانی واقعی BG آغاز شد",
-    "bgUpdateTaskFinished": "کار بررسی به‌روزرسانی BG تمام شد",
-    "firstRun": "این اولین اجرای Obtainium است",
-    "settingUpdateCheckIntervalTo": "تنظیم فاصله به‌روزرسانی روی {}",
     "githubPATLabel": "توکن دسترسی شخصی گیت هاب(محدودیت نرخ را افزایش میدهد)",
     "githubPATHint": "PAT باید در این قالب باشد: username:token",
     "githubPATFormat": "username:token",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "فیلتر پیوند سفارشی بر اساس عبارت منظم (پیش‌فرض '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "برنامه حذف شود؟",
         "other": "برنامه ها حذف شوند؟"
@@ -299,7 +293,7 @@
         "other": "{} و {} برنامه دیگر به روز شدند."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/fr.json

@@ -11,12 +11,6 @@
     "unexpectedError": "Erreur inattendue",
     "ok": "Okay",
     "and": "et",
-    "startedBgUpdateTask": "Démarrage de la tâche de vérification de mise à jour en arrière-plan",
-    "bgUpdateIgnoreAfterIs": "Mise à jour en arrière-plan est ignoré après  {}",
-    "startedActualBGUpdateCheck": "Démarrage de la vérification de la mise à jour en arrière-plan",
-    "bgUpdateTaskFinished": "Tâche de vérification de la mise à jour en arrière-plan terminée",
-    "firstRun": "Il s'agit de la toute première exécution d'Obtainium",
-    "settingUpdateCheckIntervalTo": "Définition de l'intervalle de mise à jour sur {}",
     "githubPATLabel": "Jeton d'Accès Personnel GitHub (Augmente la limite de débit)",
     "githubPATHint": "Le JAP doit être dans ce format : username:token",
     "githubPATFormat": "username:token",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "Custom Link Filter by Regular Expression (Default '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "Supprimer l'application ?",
         "other": "Supprimer les applications ?"
@@ -299,7 +293,7 @@
         "other": "{} et {} autres applications ont été mises à jour."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/hu.json

@@ -11,12 +11,6 @@
     "unexpectedError": "Váratlan hiba",
     "ok": "Oké",
     "and": "és",
-    "startedBgUpdateTask": "Háttérfrissítés ellenőrzési feladat elindítva",
-    "bgUpdateIgnoreAfterIs": "Háttérfrissítés ignoreAfter a következő: {}",
-    "startedActualBGUpdateCheck": "Elkezdődött a tényleges háttérfrissítés ellenőrzése",
-    "bgUpdateTaskFinished": "A háttérfrissítés ellenőrzési feladat befejeződött",
-    "firstRun": "Ez az Obtainium első futása",
-    "settingUpdateCheckIntervalTo": "A frissítési intervallum beállítása erre: {}",
     "githubPATLabel": "GitHub Personal Access Token (megnöveli a díjkorlátot)",
     "githubPATHint": "A PAT-nak a következő formátumban kell lennie: felhasználónév:token",
     "githubPATFormat": "felhasználónév:token",
@@ -248,7 +242,7 @@
     "customLinkFilterRegex": "Custom Link Filter by Regular Expression (Default '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "Eltávolítja az alkalmazást?",
         "other": "Eltávolítja az alkalmazást?"
@@ -298,7 +292,7 @@
         "other": "{} és {} további alkalmazás frissítve."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/it.json

@@ -11,12 +11,6 @@
     "unexpectedError": "Errore imprevisto",
     "ok": "Va bene",
     "and": "e",
-    "startedBgUpdateTask": "Avviata l'attività di controllo degli aggiornamenti in secondo piano",
-    "bgUpdateIgnoreAfterIs": "Il parametro di agg. in secondo piano 'ignoreAfter' è {}",
-    "startedActualBGUpdateCheck": "Avviato il controllo effettivo degli aggiornamenti in secondo piano",
-    "bgUpdateTaskFinished": "Terminata l'attività di controllo degli aggiornamenti in secondo piano",
-    "firstRun": "Questo è il primo avvio di sempre di Obtainium",
-    "settingUpdateCheckIntervalTo": "Fissato intervallo di aggiornamento a {}",
     "githubPATLabel": "GitHub Personal Access Token (diminuisce limite di traffico)",
     "githubPATHint": "PAT deve seguire questo formato: nomeutente:token",
     "githubPATFormat": "nomeutente:token",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "Custom Link Filter by Regular Expression (Default '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "Rimuovere l'app?",
         "other": "Rimuovere le app?"
@@ -299,7 +293,7 @@
         "other": "{} e altre {} app sono state aggiornate."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/ja.json

@@ -11,12 +11,6 @@
     "unexpectedError": "予期せぬエラーが発生しました",
     "ok": "OK",
     "and": "と",
-    "startedBgUpdateTask": "バックグラウンドのアップデート確認タスクを開始",
-    "bgUpdateIgnoreAfterIs": "Bg update ignoreAfter is {}",
-    "startedActualBGUpdateCheck": "実際のバックグラウンドのアップデート確認を開始",
-    "bgUpdateTaskFinished": "バックグラウンドのアップデート確認タスクを終了",
-    "firstRun": "これがObtainiumの最初の実行です",
-    "settingUpdateCheckIntervalTo": "確認間隔を{}に設定する",
     "githubPATLabel": "GitHub パーソナルアクセストークン (レート制限の引き上げ)",
     "githubPATHint": "PATは次の形式でなければなりません: ユーザー名:トークン",
     "githubPATFormat": "ユーザー名:トークン",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "正規表現によるカスタムリンクフィルター (デフォルト '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "アプリを削除しますか？",
         "other": "アプリを削除しますか？"
@@ -299,7 +293,7 @@
         "other": "{} とさらに {} 個のアプリがアップデートされました"
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/pl.json

@@ -19,12 +19,6 @@
     "unexpectedError": "Nieoczekiwany błąd",
     "ok": "Okej",
     "and": "i",
-    "startedBgUpdateTask": "Rozpoczęto zadanie sprawdzania aktualizacji w tle",
-    "bgUpdateIgnoreAfterIs": "Parametr ignoreAfter aktualizacji w tle to {}",
-    "startedActualBGUpdateCheck": "Rozpoczęto sprawdzanie aktualizacji w tle",
-    "bgUpdateTaskFinished": "Zakończono zadanie sprawdzania aktualizacji w tle",
-    "firstRun": "Jest to pierwsze uruchomienie Obtainium",
-    "settingUpdateCheckIntervalTo": "Ustawianie interwału aktualizacji na {}",
     "githubPATLabel": "Osobisty token dostępu GitHub (zwiększa limit zapytań)",
     "githubPATHint": "Wymagany format: użytkownik:token",
     "githubPATFormat": "użytkownik:token",
@@ -253,7 +247,7 @@
     "customLinkFilterRegex": "Niestandardowy filtr linków wg. wyrażenia regularnego (domyślnie \".apk$\")",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "Usunąć aplikację?",
         "other": "Usunąć aplikacje?"
@@ -299,7 +293,7 @@
         "other": "Zaktualizowano {} i {} aplik."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/ru.json

@@ -11,12 +11,6 @@
     "unexpectedError": "Неожиданная ошибка",
     "ok": "Окей",
     "and": "и",
-    "startedBgUpdateTask": "Запущена задача фоновой проверки обновлений",
-    "bgUpdateIgnoreAfterIs": "Параметр игнорирования фоновых обновлений: {}",
-    "startedActualBGUpdateCheck": "Запущена фактическая проверка фоновых обновлений",
-    "bgUpdateTaskFinished": "Завершена задача фоновой проверки обновлений",
-    "firstRun": "Это первый запуск Obtainium",
-    "settingUpdateCheckIntervalTo": "Установка интервала проверки обновлений: {}",
     "githubPATLabel": "Персональный токен доступа GitHub (увеличивает лимит запросов)",
     "githubPATHint": "Токен доступа должен быть в формате: имя_пользователя:токен",
     "githubPATFormat": "имя_пользователя:токен",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "Custom Link Filter by Regular Expression (Default '.apk$')",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "Удалить приложение?",
         "other": "Удалить приложения?"
@@ -299,7 +293,7 @@
         "other": "{} и еще {} приложений были обновлены."
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

assets/translations/zh.json

@@ -11,12 +11,6 @@
     "unexpectedError": "意外错误",
     "ok": "好的",
     "and": "和",
-    "startedBgUpdateTask": "后台更新检查任务已启动",
-    "bgUpdateIgnoreAfterIs": "后台更新检查间隔为 {}",
-    "startedActualBGUpdateCheck": "开始后台更新检查",
-    "bgUpdateTaskFinished": "后台更新检查任务已完成",
-    "firstRun": "这是 Obtainium 首次启动",
-    "settingUpdateCheckIntervalTo": "更新检查间隔设置为 {}",
     "githubPATLabel": "GitHub 个人访问令牌（提升 API 请求限额）",
     "githubPATHint": "个人访问令牌必须为“username:token”的格式",
     "githubPATFormat": "username:token",
@@ -249,7 +243,7 @@
     "customLinkFilterRegex": "用正则表达式自定义链接筛选（默认 '.apk$'）",
     "appsPossiblyUpdated": "App Updates Attempted",
     "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
-    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
+    "xWasPossiblyUpdatedToY": "{} may have been updated to {}.",
     "removeAppQuestion": {
         "one": "是否删除应用？",
         "other": "是否删除应用？"
@@ -299,7 +293,7 @@
         "other": "{} 和另外 {} 个应用已更新。"
     },
     "xAndNMoreUpdatesPossiblyInstalled": {
-        "one": "Attempts were made to update {} and 1 more app.",
+        "one": "{} and 1 more app may have been updated.",
-        "other": "Attempts were made to update {} and {} more apps."
+        "other": "{} and {} more apps may have been updated."
     }
 }

lib/main.dart

@@ -1,5 +1,4 @@
 import 'dart:io';
-import 'dart:math';
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -73,80 +72,80 @@ Future<void> loadTranslations() async {
 }
 
 @pragma('vm:entry-point')
-Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
+Future<void> bgUpdateCheckApps(int taskId, Map<String, dynamic>? params) async {
   WidgetsFlutterBinding.ensureInitialized();
   await EasyLocalization.ensureInitialized();
-
+  await AndroidAlarmManager.initialize();
   await loadTranslations();
 
   LogsProvider logs = LogsProvider();
-  logs.add(tr('startedBgUpdateTask'));
+  AppsProvider appsProvider = AppsProvider();
-  int? ignoreAfterMicroseconds = params?['ignoreAfterMicroseconds'];
+  await appsProvider.loadApps();
+
+  logs.add('BG update master task started.');
+  var appIds = appsProvider.getAppsSortedByUpdateCheckTime();
+  for (var id in appIds) {
+    AndroidAlarmManager.oneShot(
+        const Duration(minutes: 0), id.hashCode, bgUpdateCheckApp,
+        params: {'appId': id});
+    await Future.delayed(const Duration(seconds: 1));
+  }
+  logs.add('BG update master task - all $appIds child tasks started.');
+}
+
+@pragma('vm:entry-point')
+Future<void> bgUpdateCheckApp(int taskId, Map<String, dynamic>? params) async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await EasyLocalization.ensureInitialized();
   await AndroidAlarmManager.initialize();
-  DateTime? ignoreAfter = ignoreAfterMicroseconds != null
+  await loadTranslations();
-      ? DateTime.fromMicrosecondsSinceEpoch(ignoreAfterMicroseconds)
+
-      : null;
+  LogsProvider logs = LogsProvider();
-  logs.add(tr('bgUpdateIgnoreAfterIs', args: [ignoreAfter.toString()]));
+  NotificationsProvider notificationsProvider = NotificationsProvider();
-  var notificationsProvider = NotificationsProvider();
+  AppsProvider appsProvider = AppsProvider();
+
+  String appId = params!['appId'];
   try {
-    var appsProvider = AppsProvider();
+    await appsProvider.loadApps(singleId: appId);
-    await appsProvider.loadApps();
+    AppInMemory app = appsProvider.apps[appId]!;
-    List<String> existingUpdateIds =
+    App? newApp;
-        appsProvider.findExistingUpdates(installedOnly: true);
+    if (app.app.installedVersion == app.app.latestVersion &&
-    DateTime nextIgnoreAfter = DateTime.now();
+        app.app.installedVersion != null) {
-    String? err;
+      try {
-    try {
+        notificationsProvider.notify(checkingUpdatesNotification,
-      logs.add(tr('startedActualBGUpdateCheck'));
+            cancelExisting: true);
-      await appsProvider.checkUpdates(
+        newApp = await appsProvider.checkUpdate(appId);
-          ignoreAppsCheckedAfter: ignoreAfter,
+      } catch (e) {
-          throwErrorsForRetry: true,
+        logs.add('BG update check for $appId got error \'${e.toString()}\'.');
-          notificationsProvider: notificationsProvider);
+        if (e is RateLimitError || e is ClientException) {
-    } catch (e) {
+          var remainingMinutes = e is RateLimitError ? e.remainingMinutes : 15;
-      if (e is RateLimitError || e is ClientException) {
+          logs.add(
-        var remainingMinutes = e is RateLimitError ? e.remainingMinutes : 15;
+              'BG update check for $appId will be retried in $remainingMinutes minutes.');
-        logs.add(
+          AndroidAlarmManager.oneShot(
-            plural('bgUpdateGotErrorRetryInMinutes', remainingMinutes, args: [
+              Duration(minutes: remainingMinutes), taskId, bgUpdateCheckApp,
-          e is ClientException
+              params: params);
-              ? '${(e).message}, ${e.uri?.path}'
+        } else {
-              : e.toString(),
+          rethrow;
-          remainingMinutes.toString()
+        }
-        ]));
+      } finally {
-        AndroidAlarmManager.oneShot(Duration(minutes: remainingMinutes),
+        notificationsProvider.cancel(checkingUpdatesNotification.id);
-            Random().nextInt(pow(2, 31) as int), bgUpdateCheck, params: {
-          'ignoreAfterMicroseconds': nextIgnoreAfter.microsecondsSinceEpoch
-        });
-      } else {
-        err = e.toString();
       }
     }
-    List<App> newUpdates = appsProvider
+    if (newApp != null) {
-        .findExistingUpdates(installedOnly: true)
+      var canInstallSilently = await appsProvider.canInstallSilently(app.app);
-        .where((id) => !existingUpdateIds.contains(id))
+      if (!canInstallSilently) {
-        .map((e) => appsProvider.apps[e]!.app)
+        notificationsProvider
-        .toList();
+            .notify(UpdateNotification([newApp], id: newApp.id.hashCode * 10));
-    List<App> nonSilentUpdates = [];
-    List<App> silentUpdates = [];
-    for (var a in newUpdates) {
-      if (await appsProvider.canInstallSilently(a)) {
-        silentUpdates.add(a);
       } else {
-        nonSilentUpdates.add(a);
+        logs.add('Attempting to update $appId in the background.');
+        await appsProvider.downloadAndInstallLatestApps([appId], null,
+            notificationsProvider: notificationsProvider);
       }
     }
-    if (silentUpdates.isNotEmpty) {
-      await appsProvider.downloadAndInstallLatestApps(
-          silentUpdates.map((e) => e.id).toList(), null,
-          notificationsProvider: notificationsProvider);
-    }
-    logs.add(plural(
-        'bgCheckFoundUpdatesWillNotifyIfNeeded', nonSilentUpdates.length));
-    if (err != null) {
-      throw err;
-    }
   } catch (e) {
-    logs.add('${tr('errorCheckingUpdates')}: ${e.toString()}');
+    notificationsProvider.notify(ErrorCheckingUpdatesNotification(
-  } finally {
+        '$appId: ${e.toString()}',
-    logs.add(tr('bgUpdateTaskFinished'));
+        id: appId.hashCode * 20));
   }
 }
 
@@ -207,7 +206,7 @@ class _ObtainiumState extends State<Obtainium> {
     } else {
       bool isFirstRun = settingsProvider.checkAndFlipFirstRun();
       if (isFirstRun) {
-        logs.add(tr('firstRun'));
+        logs.add('This is the first ever run of Obtainium.');
         // If this is the first run, ask for notification permissions and add Obtainium to the Apps list
         Permission.notification.request();
         appsProvider.saveApps([
@@ -236,8 +235,8 @@ class _ObtainiumState extends State<Obtainium> {
       // Register the background update task according to the user's setting
       if (existingUpdateInterval != settingsProvider.updateInterval) {
         if (existingUpdateInterval != -1) {
-          logs.add(tr('settingUpdateCheckIntervalTo',
+          logs.add(
-              args: [settingsProvider.updateInterval.toString()]));
+              'Setting update interval to ${settingsProvider.updateInterval.toString()}');
         }
         existingUpdateInterval = settingsProvider.updateInterval;
         if (existingUpdateInterval == 0) {
@@ -246,7 +245,8 @@ class _ObtainiumState extends State<Obtainium> {
           AndroidAlarmManager.periodic(
               Duration(minutes: existingUpdateInterval),
               bgUpdateCheckAlarmId,
-              bgUpdateCheck,
+              bgUpdateCheckApps,
+              allowWhileIdle: true,
               rescheduleOnReboot: true,
               wakeup: true);
         }

lib/providers/apps_provider.dart

@@ -765,7 +765,7 @@ class AppsProvider with ChangeNotifier {
         : false;
   }
 
-  Future<void> loadApps() async {
+  Future<void> loadApps({String? singleId}) async {
     while (loadingApps) {
       await Future.delayed(const Duration(microseconds: 1));
     }
@@ -776,6 +776,10 @@ class AppsProvider with ChangeNotifier {
     List<App?> newApps = (await getAppsDir()) // Parse Apps from JSON
         .listSync()
         .where((item) => item.path.toLowerCase().endsWith('.json'))
+        .where((item) =>
+            singleId == null ||
+            item.path.split('/').last.toLowerCase() ==
+                '${singleId.toLowerCase()}.json')
         .map((e) {
       try {
         return App.fromJson(jsonDecode(File(e.path).readAsStringSync()));
@@ -986,26 +990,32 @@ class AppsProvider with ChangeNotifier {
     return newApp.latestVersion != currentApp.latestVersion ? newApp : null;
   }
 
+  List<String> getAppsSortedByUpdateCheckTime(
+      {DateTime? ignoreAppsCheckedAfter}) {
+    List<String> appIds = apps.values
+        .where((app) =>
+            app.app.lastUpdateCheck == null ||
+            ignoreAppsCheckedAfter == null ||
+            app.app.lastUpdateCheck!.isBefore(ignoreAppsCheckedAfter))
+        .map((e) => e.app.id)
+        .toList();
+    appIds.sort((a, b) =>
+        (apps[a]!.app.lastUpdateCheck ?? DateTime.fromMicrosecondsSinceEpoch(0))
+            .compareTo(apps[b]!.app.lastUpdateCheck ??
+                DateTime.fromMicrosecondsSinceEpoch(0)));
+    return appIds;
+  }
+
   Future<List<App>> checkUpdates(
       {DateTime? ignoreAppsCheckedAfter,
-      bool throwErrorsForRetry = false,
+      bool throwErrorsForRetry = false}) async {
-      NotificationsProvider? notificationsProvider}) async {
     List<App> updates = [];
     MultiAppMultiError errors = MultiAppMultiError();
     if (!gettingUpdates) {
       gettingUpdates = true;
       try {
-        List<String> appIds = apps.values
+        List<String> appIds = getAppsSortedByUpdateCheckTime(
-            .where((app) =>
+            ignoreAppsCheckedAfter: ignoreAppsCheckedAfter);
-                app.app.lastUpdateCheck == null ||
-                ignoreAppsCheckedAfter == null ||
-                app.app.lastUpdateCheck!.isBefore(ignoreAppsCheckedAfter))
-            .map((e) => e.app.id)
-            .toList();
-        appIds.sort((a, b) => (apps[a]!.app.lastUpdateCheck ??
-                DateTime.fromMicrosecondsSinceEpoch(0))
-            .compareTo(apps[b]!.app.lastUpdateCheck ??
-                DateTime.fromMicrosecondsSinceEpoch(0)));
         for (int i = 0; i < appIds.length; i++) {
           App? newApp;
           try {
@@ -1016,14 +1026,9 @@ class AppsProvider with ChangeNotifier {
               rethrow;
             }
             errors.add(appIds[i], e.toString());
-            notificationsProvider?.notify(ErrorCheckingUpdatesNotification(
-                '${appIds[i]}: ${e.toString()}',
-                id: appIds[i].hashCode));
           }
           if (newApp != null) {
             updates.add(newApp);
-            notificationsProvider
-                ?.notify(UpdateNotification([newApp], id: newApp.id.hashCode));
           }
         }
       } finally {