Merge pull request #217 from ImranR98/dev

Bugfixes and UI Tweaks (#213, #215, #216)

README.md

@@ -1,4 +1,4 @@
-# ![Obtainium Icon](./android/app/src/main/res/drawable/ic_notification.png) Obtainium
+# ![Obtainium Icon](./assets/graphics/icon_small.png) Obtainium
 
 Get Android App Updates Directly From the Source.
 

android/app/src/main/AndroidManifest.xml

@@ -51,4 +51,7 @@
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
     <uses-permission android:name="android.permission.WAKE_LOCK"/>
     <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM"/>
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="28"/>
 </manifest>

assets/translations/de.json

@@ -209,6 +209,8 @@
     "addCategory": "Kategorie hinzufügen",
     "label": "Bezeichnung",
     "language": "Sprache",
+    "storagePermissionDenied": "Storage permission denied",
+    "selectedCategorizeWarning": "This will replace any existing category settings for the selected Apps.",
     "tooManyRequestsTryAgainInMinutes": {
         "one": "Zu viele Anfragen (Rate begrenzt) - versuchen Sie es in {} Minute erneut",
         "other": "Zu viele Anfragen (Rate begrenzt) - versuchen Sie es in {} Minuten erneut"

assets/translations/en.json

@@ -209,6 +209,8 @@
     "addCategory": "Add Category",
     "label": "Label",
     "language": "Language",
+    "storagePermissionDenied": "Storage permission denied",
+    "selectedCategorizeWarning": "This will replace any existing category settings for the selected Apps.",
     "tooManyRequestsTryAgainInMinutes": {
         "one": "Too many requests (rate limited) - try again in {} minute",
         "other": "Too many requests (rate limited) - try again in {} minutes"

assets/translations/hu.json

@@ -59,7 +59,7 @@
     "byX": "{} által",
     "percentProgress": "Folyamat: {}%",
     "pleaseWait": "Kis türelmet",
-    "updateAvailable": "Frissítés elérhető",
+    "updateAvailable": "Frissítés érhető el",
     "estimateInBracketsShort": "(Becsült)",
     "notInstalled": "Nem telepített",
     "estimateInBrackets": "(Becslés)",
@@ -70,11 +70,11 @@
     "removeSelectedApps": "Távolítsa el a kiválasztott appokat",
     "updateX": "Frissítés: {}",
     "installX": "Telepítés: {}",
-    "markXTrackOnlyAsUpdated": "Jelölje meg: {}\n(Csak nyomon követhető)\nas Frissítve",
+    "markXTrackOnlyAsUpdated": "Jelölje meg: {}\n(Csak nyomon követhető)\nmint Frissített",
     "changeX": "Változás {}",
     "installUpdateApps": "Appok telepítése/frissítése",
     "installUpdateSelectedApps": "Telepítse/frissítse a kiválasztott appokat",
-    "onlyWorksWithNonEVDApps": "Csak azoknál az alkalmazásoknál működik, amelyek telepítési állapota nem észlelhető automatikusan (nem gyakori).",
+    "onlyWorksWithNonEVDApps": "Csak azoknál az alkalmazásoknál működik, amelyek telepítési állapota nem észlelhető autom. (nem gyakori).",
     "markXSelectedAppsAsUpdated": "Megjelöl {} kiválasztott alkalmazást frissítettként?",
     "no": "Nem",
     "yes": "Igen",
@@ -86,8 +86,8 @@
     "shareSelectedAppURLs": "Ossza meg a kiválasztott app URL címeit",
     "resetInstallStatus": "Telepítési állapot visszaállítása",
     "more": "További",
-    "removeOutdatedFilter": "Távolítsa el az elavult alkalmazásszűrőt",
+    "removeOutdatedFilter": "Távolítsa el az elavult app szűrőt",
-    "showOutdatedOnly": "Csak az elavult alkalmazások megjelenítése",
+    "showOutdatedOnly": "Csak az elavult appok megjelenítése",
     "filter": "Szűrő",
     "filterActive": "Szűrő *",
     "filterApps": "Appok szűrése",
@@ -126,11 +126,11 @@
     "appSortBy": "App rendezés...",
     "authorName": "Szerző/Név",
     "nameAuthor": "Név/Szerző",
-    "asAdded": "Mint hozzáadott",
+    "asAdded": "Mint Hozzáadott",
     "appSortOrder": "Appok rendezése",
     "ascending": "Emelkedő",
     "descending": "Csökkenő",
-    "bgUpdateCheckInterval": "Háttérfrissítés ellenőrzési időköz",
+    "bgUpdateCheckInterval": "Háttérfrissítés ellenőrzés időköze",
     "neverManualOnly": "Soha – csak manuális",
     "appearance": "Megjelenés",
     "showWebInAppView": "Forrás megjelenítése az Appok nézetben",
@@ -155,14 +155,14 @@
     "noNewUpdates": "Nincsenek új frissítések.",
     "xHasAnUpdate": "A(z) {} frissítést kapott.",
     "appsUpdated": "Alkalmazások frissítve",
-    "appsUpdatedNotifDescription": "Értesíti a felhasználót, hogy egy vagy több app frissítése történt a háttérben",
+    "appsUpdatedNotifDescription": "Értesíti a felhasználót, hogy egy/több app frissítése megtörtént a háttérben",
     "xWasUpdatedToY": "{} frissítve a következőre: {}.",
     "errorCheckingUpdates": "Hiba a frissítések keresésekor",
     "errorCheckingUpdatesNotifDescription": "Értesítés, amely akkor jelenik meg, ha a háttérbeli frissítések ellenőrzése sikertelen",
     "appsRemoved": "Alkalmazások eltávolítva",
     "appsRemovedNotifDescription": "Értesíti a felhasználót egy vagy több alkalmazás eltávolításáról a betöltésük során fellépő hibák miatt",
     "xWasRemovedDueToErrorY": "A(z) {} a következő hiba miatt lett eltávolítva: {}",
-    "completeAppInstallation": "Teljes alkalmazástelepítés",
+    "completeAppInstallation": "Teljes app telepítés",
     "obtainiumMustBeOpenToInstallApps": "Az Obtainiumnak megnyitva kell lennie az alkalmazások telepítéséhez",
     "completeAppInstallationNotifDescription": "Megkéri a felhasználót, hogy térjen vissza az Obtainiumhoz, hogy befejezze az alkalmazás telepítését",
     "checkingForUpdates": "Frissítések keresése",
@@ -198,7 +198,7 @@
     "downloadingX": "{} letöltés",
     "downloadNotifDescription": "Értesíti a felhasználót az app letöltésének előrehaladásáról",
     "noAPKFound": "Nem található APK",
-    "noVersionDetection": "Nincs verzióérzékelés",
+    "noVersionDetection": "Nincs verzió érzékelés",
     "categorize": "Kategorizálás",
     "categories": "Kategóriák",
     "category": "Kategória",
@@ -207,6 +207,9 @@
     "categoryDeleteWarning": "A(z) {} összes app kategorizálatlan állapotba kerül.",
     "addCategory": "Új kategória",
     "label": "Címke",
+    "language": "Language",
+    "storagePermissionDenied": "Storage permission denied",
+    "selectedCategorizeWarning": "This will replace any existing category settings for the selected Apps.",
     "tooManyRequestsTryAgainInMinutes": {
         "one": "Túl sok kérés (korlátozott arány) – próbálja újra {} perc múlva",
         "other": "Túl sok kérés (korlátozott arány) – próbálja újra {} perc múlva"

assets/translations/it.json

@@ -209,6 +209,8 @@
     "addCategory": "Aggiungi categoria",
     "label": "Etichetta",
     "language": "Lingua",
+    "storagePermissionDenied": "Storage permission denied",
+    "selectedCategorizeWarning": "This will replace any existing category settings for the selected Apps.",
     "tooManyRequestsTryAgainInMinutes": {
         "one": "Troppe richieste (traffico limitato) - riprova tra {} minuto",
         "other": "Troppe richieste (traffico limitato) - riprova tra {} minuti"

assets/translations/ja.json

@@ -209,6 +209,8 @@
     "addCategory": "カテゴリを追加",
     "label": "ラベル",
     "language": "言語",
+    "storagePermissionDenied": "Storage permission denied",
+    "selectedCategorizeWarning": "This will replace any existing category settings for the selected Apps.",
     "tooManyRequestsTryAgainInMinutes": {
         "one": "リクエストが多すぎます（レート制限）- {}分後に再試行してください",
         "other": "リクエストが多すぎます（レート制限）- {}分後に再試行してください"

assets/translations/zh.json

@@ -12,7 +12,7 @@
     "ok": "好的",
     "and": "和",
     "startedBgUpdateTask": "开始后台检查更新任务",
-    "bgUpdateIgnoreAfterIs": "Bg update ignoreAfter is  {}",
+    "bgUpdateIgnoreAfterIs": "下次后台更新检查  {}",
     "startedActualBGUpdateCheck": "后台检查更新已开始",
     "bgUpdateTaskFinished": "后台检查更新已完成",
     "firstRun": "这是你第一次运行 Obtainium",
@@ -199,16 +199,18 @@
     "downloadNotifDescription": "通知用户下载进度",
     "noAPKFound": "未找到安装包",
     "noVersionDetection": "无版本检测",
-    "categorize": "Categorize",
+    "categorize": "归档",
-    "categories": "Categories",
+    "categories": "归档",
-    "category": "Category",
+    "category": "类别",
-    "noCategory": "No Category",
+    "noCategory": "无类别",
-    "noCategories": "No Categories",
+    "noCategories": "无类别",
-    "deleteCategoriesQuestion": "Delete Categories?",
+    "deleteCategoriesQuestion": "删除所有类别？",
-    "categoryDeleteWarning": "All Apps in deleted categories will be set to uncategorized.",
+    "categoryDeleteWarning": "所有被删除类别的应用程序将被设置为无类别",
-    "addCategory": "Add Category",
+    "addCategory": "添加类别",
-    "label": "Label",
+    "label": "标签",
-    "language": "Language",
+    "language": "语言",
+    "storagePermissionDenied": "存储权限已被拒绝",
+    "selectedCategorizeWarning": "这将取代所选应用程序的任何现有类别",
     "tooManyRequestsTryAgainInMinutes": {
         "one": "请求过多 (API 限制) - 在 {} 分钟后重试",
         "other": "请求过多 (API 限制) - 在 {} 分钟后重试"

lib/app_sources/apkmirror.dart

@@ -46,7 +46,7 @@ class APKMirror extends AppSource {
       }
       return APKDetails(version, [], getAppNames(standardUrl));
     } else {
-      throw NoReleasesError();
+      throw getObtainiumHttpError(res);
     }
   }
 

lib/app_sources/fdroid.dart

@@ -54,7 +54,7 @@ class FDroid extends AppSource {
       return APKDetails(latestVersion, apkUrls,
           AppNames(name, Uri.parse(standardUrl).pathSegments.last));
     } else {
-      throw NoReleasesError();
+      throw getObtainiumHttpError(res);
     }
   }
 

lib/app_sources/fdroidrepo.dart

@@ -80,7 +80,7 @@ class FDroidRepo extends AppSource {
           .toList();
       return APKDetails(latestVersion, apkUrls, AppNames(authorName, appName));
     } else {
-      throw NoReleasesError();
+      throw getObtainiumHttpError(res);
     }
   }
 }

lib/app_sources/github.dart

@@ -15,6 +15,7 @@ class GitHub extends AppSource {
     additionalSourceSpecificSettingFormItems = [
       GeneratedFormTextField('github-creds',
           label: tr('githubPATLabel'),
+          password: true,
           required: false,
           additionalValidators: [
             (value) {

lib/app_sources/gitlab.dart

@@ -59,7 +59,7 @@ class GitLab extends AppSource {
       }
       return APKDetails(version, apkUrls, GitHub().getAppNames(standardUrl));
     } else {
-      throw NoReleasesError();
+      throw getObtainiumHttpError(res);
     }
   }
 }

lib/app_sources/mullvad.dart

@@ -43,7 +43,7 @@ class Mullvad extends AppSource {
           ['https://mullvad.net/download/app/apk/latest'],
           AppNames(name, 'Mullvad-VPN'));
     } else {
-      throw NoReleasesError();
+      throw getObtainiumHttpError(res);
     }
   }
 }

lib/app_sources/signal.dart

@@ -33,7 +33,7 @@ class Signal extends AppSource {
       }
       return APKDetails(version, apkUrls, AppNames(name, 'Signal'));
     } else {
-      throw NoReleasesError();
+      throw getObtainiumHttpError(res);
     }
   }
 }

lib/app_sources/sourceforge.dart

@@ -57,7 +57,7 @@ class SourceForge extends AppSource {
           AppNames(
               name, standardUrl.substring(standardUrl.lastIndexOf('/') + 1)));
     } else {
-      throw NoReleasesError();
+      throw getObtainiumHttpError(res);
     }
   }
 }

lib/app_sources/steammobile.dart

@@ -54,7 +54,7 @@ class SteamMobile extends AppSource {
       var apkUrls = [links[0]];
       return APKDetails(version, apkUrls, AppNames(name, apks[apkNamePrefix]!));
     } else {
-      throw NoReleasesError();
+      throw getObtainiumHttpError(res);
     }
   }
 }

lib/components/generated_form.dart

@@ -3,7 +3,6 @@ import 'dart:math';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:obtainium/components/generated_form_modal.dart';
-import 'package:obtainium/providers/settings_provider.dart';
 
 abstract class GeneratedFormItem {
   late String key;
@@ -24,6 +23,7 @@ class GeneratedFormTextField extends GeneratedFormItem {
   late bool required;
   late int max;
   late String? hint;
+  late bool password;
 
   GeneratedFormTextField(String key,
       {String label = 'Input',
@@ -32,7 +32,8 @@ class GeneratedFormTextField extends GeneratedFormItem {
       List<String? Function(String? value)> additionalValidators = const [],
       this.required = true,
       this.max = 1,
-      this.hint})
+      this.hint,
+      this.password = false})
       : super(key,
             label: label,
             belowWidgets: belowWidgets,
@@ -91,6 +92,7 @@ class GeneratedFormTagInput extends GeneratedFormItem {
   late bool singleSelect;
   late WrapAlignment alignment;
   late String emptyMessage;
+  late bool showLabelWhenNotEmpty;
   GeneratedFormTagInput(String key,
       {String label = 'Input',
       List<Widget> belowWidgets = const [],
@@ -100,7 +102,8 @@ class GeneratedFormTagInput extends GeneratedFormItem {
       this.deleteConfirmationMessage,
       this.singleSelect = false,
       this.alignment = WrapAlignment.start,
-      this.emptyMessage = 'Input'})
+      this.emptyMessage = 'Input',
+      this.showLabelWhenNotEmpty = true})
       : super(key,
             label: label,
             belowWidgets: belowWidgets,
@@ -127,6 +130,21 @@ class GeneratedForm extends StatefulWidget {
   State<GeneratedForm> createState() => _GeneratedFormState();
 }
 
+// Generates a random light color
+// Courtesy of ChatGPT 😭 (with a bugfix 🥳)
+Color generateRandomLightColor() {
+  // Create a random number generator
+  final Random random = Random();
+
+  // Generate random hue, saturation, and value values
+  final double hue = random.nextDouble() * 360;
+  final double saturation = 0.5 + random.nextDouble() * 0.5;
+  final double value = 0.9 + random.nextDouble() * 0.1;
+
+  // Create a HSV color with the random values
+  return HSVColor.fromAHSV(1.0, hue, saturation, value).toColor();
+}
+
 class _GeneratedFormState extends State<GeneratedForm> {
   final _formKey = GlobalKey<FormState>();
   Map<String, dynamic> values = {};
@@ -140,32 +158,17 @@ class _GeneratedFormState extends State<GeneratedForm> {
     for (int r = 0; r < widget.items.length; r++) {
       for (int i = 0; i < widget.items[r].length; i++) {
         if (formInputs[r][i] is TextFormField) {
-          valid = valid &&
+          var fieldState =
-              ((formInputs[r][i].key as GlobalKey<FormFieldState>)
+              (formInputs[r][i].key as GlobalKey<FormFieldState>).currentState;
-                      .currentState
+          if (fieldState != null) {
-                      ?.isValid ??
+            valid = valid && fieldState.isValid;
-                  false);
+          }
         }
       }
     }
     widget.onValueChanges(returnValues, valid, isBuilding);
   }
 
-  // Generates a random light color
-// Courtesy of ChatGPT 😭 (with a bugfix 🥳)
-  Color generateRandomLightColor() {
-    // Create a random number generator
-    final Random random = Random();
-
-    // Generate random hue, saturation, and value values
-    final double hue = random.nextDouble() * 360;
-    final double saturation = 0.5 + random.nextDouble() * 0.5;
-    final double value = 0.9 + random.nextDouble() * 0.1;
-
-    // Create a HSV color with the random values
-    return HSVColor.fromAHSV(1.0, hue, saturation, value).toColor();
-  }
-
   @override
   void initState() {
     super.initState();
@@ -186,6 +189,9 @@ class _GeneratedFormState extends State<GeneratedForm> {
         if (formItem is GeneratedFormTextField) {
           final formFieldKey = GlobalKey<FormFieldState>();
           return TextFormField(
+            obscureText: formItem.password,
+            autocorrect: !formItem.password,
+            enableSuggestions: !formItem.password,
             key: formFieldKey,
             initialValue: values[formItem.key],
             autovalidateMode: AutovalidateMode.onUserInteraction,
@@ -259,8 +265,30 @@ class _GeneratedFormState extends State<GeneratedForm> {
             ],
           );
         } else if (widget.items[r][e] is GeneratedFormTagInput) {
-          formInputs[r][e] = Wrap(
+          formInputs[r][e] =
-            alignment: (widget.items[r][e] as GeneratedFormTagInput).alignment,
+              Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: [
+            if ((values[widget.items[r][e].key]
+                            as Map<String, MapEntry<int, bool>>?)
+                        ?.isNotEmpty ==
+                    true &&
+                (widget.items[r][e] as GeneratedFormTagInput)
+                    .showLabelWhenNotEmpty)
+              Column(
+                crossAxisAlignment:
+                    (widget.items[r][e] as GeneratedFormTagInput).alignment ==
+                            WrapAlignment.center
+                        ? CrossAxisAlignment.center
+                        : CrossAxisAlignment.stretch,
+                children: [
+                  Text(widget.items[r][e].label),
+                  const SizedBox(
+                    height: 8,
+                  ),
+                ],
+              ),
+            Wrap(
+              alignment:
+                  (widget.items[r][e] as GeneratedFormTagInput).alignment,
               crossAxisAlignment: WrapCrossAlignment.center,
               children: [
                 (values[widget.items[r][e].key]
@@ -270,7 +298,6 @@ class _GeneratedFormState extends State<GeneratedForm> {
                     ? Text(
                         (widget.items[r][e] as GeneratedFormTagInput)
                             .emptyMessage,
-                      style: const TextStyle(fontWeight: FontWeight.bold),
                       )
                     : const SizedBox.shrink(),
                 ...(values[widget.items[r][e].key]
@@ -295,20 +322,24 @@ class _GeneratedFormState extends State<GeneratedForm> {
                                                 MapEntry<int, bool>>)[e2.key]!
                                             .key,
                                         value);
-                              if ((widget.items[r][e] as GeneratedFormTagInput)
+                                if ((widget.items[r][e]
+                                            as GeneratedFormTagInput)
                                         .singleSelect &&
                                     value == true) {
-                                for (var key in (values[widget.items[r][e].key]
+                                  for (var key in (values[
+                                              widget.items[r][e].key]
                                           as Map<String, MapEntry<int, bool>>)
                                       .keys) {
                                     if (key != e2.key) {
                                       (values[widget.items[r][e].key] as Map<
                                               String,
-                                        MapEntry<int,
+                                              MapEntry<int, bool>>)[key] =
-                                            bool>>)[key] = MapEntry(
+                                          MapEntry(
-                                        (values[widget.items[r][e].key] as Map<
+                                              (values[widget.items[r][e].key]
+                                                      as Map<
                                                           String,
-                                                MapEntry<int, bool>>)[key]!
+                                                          MapEntry<int,
+                                                              bool>>)[key]!
                                                   .key,
                                               false);
                                     }
@@ -389,8 +420,9 @@ class _GeneratedFormState extends State<GeneratedForm> {
                               var temp = values[widget.items[r][e].key]
                                   as Map<String, MapEntry<int, bool>>?;
                               temp ??= {};
-                            var singleSelect =
+                              if (temp[label] == null) {
-                                (widget.items[r][e] as GeneratedFormTagInput)
+                                var singleSelect = (widget.items[r][e]
+                                        as GeneratedFormTagInput)
                                     .singleSelect;
                                 var someSelected = temp.entries
                                     .where((element) => element.value.value)
@@ -400,6 +432,7 @@ class _GeneratedFormState extends State<GeneratedForm> {
                                     !(someSelected && singleSelect));
                                 values[widget.items[r][e].key] = temp;
                                 someValueChanged();
+                              }
                             });
                           }
                         });
@@ -409,7 +442,8 @@ class _GeneratedFormState extends State<GeneratedForm> {
                       tooltip: tr('add'),
                     )),
               ],
-          );
+            )
+          ]);
         }
       }
     }

lib/components/generated_form_modal.dart

@@ -9,12 +9,16 @@ class GeneratedFormModal extends StatefulWidget {
       required this.title,
       required this.items,
       this.initValid = false,
-      this.message = ''});
+      this.message = '',
+      this.additionalWidgets = const [],
+      this.singleNullReturnButton});
 
   final String title;
   final String message;
   final List<List<GeneratedFormItem>> items;
   final bool initValid;
+  final List<Widget> additionalWidgets;
+  final String? singleNullReturnButton;
 
   @override
   State<GeneratedFormModal> createState() => _GeneratedFormModalState();
@@ -54,15 +58,19 @@ class _GeneratedFormModalState extends State<GeneratedFormModal> {
                   this.valid = valid;
                 });
               }
-            })
+            }),
+        if (widget.additionalWidgets.isNotEmpty) ...widget.additionalWidgets
       ]),
       actions: [
         TextButton(
             onPressed: () {
               Navigator.of(context).pop(null);
             },
-            child: Text(tr('cancel'))),
+            child: Text(widget.singleNullReturnButton == null
-        TextButton(
+                ? tr('cancel')
+                : widget.singleNullReturnButton!)),
+        widget.singleNullReturnButton == null
+            ? TextButton(
                 onPressed: !valid
                     ? null
                     : () {
@@ -72,6 +80,7 @@ class _GeneratedFormModalState extends State<GeneratedFormModal> {
                         }
                       },
                 child: Text(tr('continue')))
+            : const SizedBox.shrink()
       ],
     );
   }

lib/custom_errors.dart

@@ -13,13 +13,10 @@ class ObtainiumError {
   }
 }
 
-class RateLimitError {
+class RateLimitError extends ObtainiumError {
   late int remainingMinutes;
-  RateLimitError(this.remainingMinutes);
+  RateLimitError(this.remainingMinutes)
-
+      : super(plural('tooManyRequestsTryAgainInMinutes', remainingMinutes));
-  @override
-  String toString() =>
-      plural('tooManyRequestsTryAgainInMinutes', remainingMinutes);
 }
 
 class InvalidURLError extends ObtainiumError {

lib/main.dart

@@ -21,7 +21,7 @@ import 'package:easy_localization/src/easy_localization_controller.dart';
 // ignore: implementation_imports
 import 'package:easy_localization/src/localization.dart';
 
-const String currentVersion = '0.9.6';
+const String currentVersion = '0.9.14';
 const String currentReleaseTag =
     'v$currentVersion-beta'; // KEEP THIS IN SYNC WITH GITHUB RELEASES
 

lib/pages/add_app.dart

@@ -8,6 +8,7 @@ import 'package:obtainium/custom_errors.dart';
 import 'package:obtainium/main.dart';
 import 'package:obtainium/pages/app.dart';
 import 'package:obtainium/pages/import_export.dart';
+import 'package:obtainium/pages/settings.dart';
 import 'package:obtainium/providers/apps_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
 import 'package:obtainium/providers/source_provider.dart';
@@ -29,6 +30,7 @@ class _AddAppPageState extends State<AddAppPage> {
   AppSource? pickedSource;
   Map<String, dynamic> additionalSettings = {};
   bool additionalSettingsValid = true;
+  List<String> pickedCategories = [];
 
   @override
   Widget build(BuildContext context) {
@@ -37,7 +39,8 @@ class _AddAppPageState extends State<AddAppPage> {
 
     changeUserInput(String input, bool valid, bool isBuilding) {
       userInput = input;
-      fn() {
+      if (!isBuilding) {
+        setState(() {
           var source = valid ? sourceProvider.getSource(userInput) : null;
           if (pickedSource.runtimeType != source.runtimeType) {
             pickedSource = source;
@@ -49,13 +52,6 @@ class _AddAppPageState extends State<AddAppPage> {
                 ? !sourceProvider.ifRequiredAppSpecificSettingsExist(source)
                 : true;
           }
-      }
-
-      if (isBuilding) {
-        fn();
-      } else {
-        setState(() {
-          fn();
         });
       }
     }
@@ -131,6 +127,7 @@ class _AddAppPageState extends State<AddAppPage> {
           if (app.additionalSettings['trackOnly'] == true) {
             app.installedVersion = app.latestVersion;
           }
+          app.categories = pickedCategories;
           await appsProvider.saveApps([app]);
 
           return app;
@@ -238,7 +235,9 @@ class _AddAppPageState extends State<AddAppPage> {
                                     ]
                                   ],
                                   onValueChanges: (values, valid, isBuilding) {
-                                    if (values.isNotEmpty && valid) {
+                                    if (values.isNotEmpty &&
+                                        valid &&
+                                        !isBuilding) {
                                       setState(() {
                                         searchQuery =
                                             values['searchSomeSources']!.trim();
@@ -289,7 +288,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                           if (selectedUrls != null &&
                                               selectedUrls.isNotEmpty) {
                                             changeUserInput(
-                                                selectedUrls[0], true, true);
+                                                selectedUrls[0], true, false);
                                             addApp(resetUserInputAfter: true);
                                           }
                                         }).catchError((e) {
@@ -299,9 +298,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                 child: Text(tr('search')))
                           ],
                         ),
-                      if (pickedSource != null &&
+                      if (pickedSource != null)
-                          (pickedSource!
-                              .combinedAppSpecificSettingFormItems.isNotEmpty))
                         Column(
                           crossAxisAlignment: CrossAxisAlignment.stretch,
                           children: [
@@ -328,6 +325,18 @@ class _AddAppPageState extends State<AddAppPage> {
                                     });
                                   }
                                 }),
+                            Column(
+                              children: [
+                                const SizedBox(
+                                  height: 16,
+                                ),
+                                CategoryEditorSelector(
+                                    alignment: WrapAlignment.start,
+                                    onSelected: (categories) {
+                                      pickedCategories = categories;
+                                    }),
+                              ],
+                            ),
                           ],
                         )
                       else

lib/pages/app.dart

@@ -1,7 +1,6 @@
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:obtainium/components/generated_form.dart';
 import 'package:obtainium/components/generated_form_modal.dart';
 import 'package:obtainium/custom_errors.dart';
 import 'package:obtainium/main.dart';
@@ -35,7 +34,6 @@ class _AppPageState extends State<AppPage> {
       });
     }
 
-    var categories = settingsProvider.categories;
     var sourceProvider = SourceProvider();
     AppInMemory? app = appsProvider.apps[widget.appId];
     var source = app != null ? sourceProvider.getSource(app.app.url) : null;
@@ -44,6 +42,106 @@ class _AppPageState extends State<AppPage> {
       getUpdate(app.app.id);
     }
     var trackOnly = app?.app.additionalSettings['trackOnly'] == true;
+
+    var infoColumn = Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: [
+        GestureDetector(
+            onTap: () {
+              if (app?.app.url != null) {
+                launchUrlString(app?.app.url ?? '',
+                    mode: LaunchMode.externalApplication);
+              }
+            },
+            child: Text(
+              app?.app.url ?? '',
+              textAlign: TextAlign.center,
+              style: const TextStyle(
+                  decoration: TextDecoration.underline,
+                  fontStyle: FontStyle.italic,
+                  fontSize: 12),
+            )),
+        const SizedBox(
+          height: 32,
+        ),
+        Text(
+          tr('latestVersionX', args: [app?.app.latestVersion ?? tr('unknown')]),
+          textAlign: TextAlign.center,
+          style: Theme.of(context).textTheme.bodyLarge,
+        ),
+        Text(
+          '${tr('installedVersionX', args: [
+                app?.app.installedVersion ?? tr('none')
+              ])}${trackOnly ? ' ${tr('estimateInBrackets')}\n\n${tr('xIsTrackOnly', args: [
+                  tr('app')
+                ])}' : ''}',
+          textAlign: TextAlign.center,
+          style: Theme.of(context).textTheme.bodyLarge,
+        ),
+        const SizedBox(
+          height: 32,
+        ),
+        Text(
+          tr('lastUpdateCheckX', args: [
+            app?.app.lastUpdateCheck == null
+                ? tr('never')
+                : '\n${app?.app.lastUpdateCheck?.toLocal()}'
+          ]),
+          textAlign: TextAlign.center,
+          style: const TextStyle(fontStyle: FontStyle.italic, fontSize: 12),
+        ),
+        const SizedBox(
+          height: 48,
+        ),
+        CategoryEditorSelector(
+            alignment: WrapAlignment.center,
+            preselected:
+                app?.app.categories != null ? app!.app.categories.toSet() : {},
+            onSelected: (categories) {
+              if (app != null) {
+                app.app.categories = categories;
+                appsProvider.saveApps([app.app]);
+              }
+            }),
+      ],
+    );
+
+    var fullInfoColumn = Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: [
+        const SizedBox(height: 150),
+        app?.installedInfo != null
+            ? Row(mainAxisAlignment: MainAxisAlignment.center, children: [
+                Image.memory(
+                  app!.installedInfo!.icon!,
+                  height: 150,
+                  gaplessPlayback: true,
+                )
+              ])
+            : Container(),
+        const SizedBox(
+          height: 25,
+        ),
+        Text(
+          app?.installedInfo?.name ?? app?.app.name ?? tr('app'),
+          textAlign: TextAlign.center,
+          style: Theme.of(context).textTheme.displayLarge,
+        ),
+        Text(
+          tr('byX', args: [app?.app.author ?? tr('unknown')]),
+          textAlign: TextAlign.center,
+          style: Theme.of(context).textTheme.headlineMedium,
+        ),
+        const SizedBox(
+          height: 32,
+        ),
+        infoColumn,
+        const SizedBox(height: 150)
+      ],
+    );
+
     return Scaffold(
       appBar: settingsProvider.showAppWebpage ? AppBar() : null,
       backgroundColor: Theme.of(context).colorScheme.surface,
@@ -72,105 +170,8 @@ class _AppPageState extends State<AppPage> {
                   : Container()
               : CustomScrollView(
                   slivers: [
-                    SliverFillRemaining(
+                    SliverToBoxAdapter(
-                        child: Column(
+                        child: Column(children: [fullInfoColumn])),
-                      mainAxisAlignment: MainAxisAlignment.center,
-                      crossAxisAlignment: CrossAxisAlignment.stretch,
-                      children: [
-                        app?.installedInfo != null
-                            ? Row(
-                                mainAxisAlignment: MainAxisAlignment.center,
-                                children: [
-                                    Image.memory(
-                                      app!.installedInfo!.icon!,
-                                      height: 150,
-                                      gaplessPlayback: true,
-                                    )
-                                  ])
-                            : Container(),
-                        const SizedBox(
-                          height: 25,
-                        ),
-                        Text(
-                          app?.installedInfo?.name ??
-                              app?.app.name ??
-                              tr('app'),
-                          textAlign: TextAlign.center,
-                          style: Theme.of(context).textTheme.displayLarge,
-                        ),
-                        Text(
-                          tr('byX', args: [app?.app.author ?? tr('unknown')]),
-                          textAlign: TextAlign.center,
-                          style: Theme.of(context).textTheme.headlineMedium,
-                        ),
-                        const SizedBox(
-                          height: 32,
-                        ),
-                        GestureDetector(
-                            onTap: () {
-                              if (app?.app.url != null) {
-                                launchUrlString(app?.app.url ?? '',
-                                    mode: LaunchMode.externalApplication);
-                              }
-                            },
-                            child: Text(
-                              app?.app.url ?? '',
-                              textAlign: TextAlign.center,
-                              style: const TextStyle(
-                                  decoration: TextDecoration.underline,
-                                  fontStyle: FontStyle.italic,
-                                  fontSize: 12),
-                            )),
-                        const SizedBox(
-                          height: 32,
-                        ),
-                        Text(
-                          tr('latestVersionX',
-                              args: [app?.app.latestVersion ?? tr('unknown')]),
-                          textAlign: TextAlign.center,
-                          style: Theme.of(context).textTheme.bodyLarge,
-                        ),
-                        Text(
-                          '${tr('installedVersionX', args: [
-                                app?.app.installedVersion ?? tr('none')
-                              ])}${trackOnly ? ' ${tr('estimateInBrackets')}\n\n${tr('xIsTrackOnly', args: [
-                                  tr('app')
-                                ])}' : ''}',
-                          textAlign: TextAlign.center,
-                          style: Theme.of(context).textTheme.bodyLarge,
-                        ),
-                        const SizedBox(
-                          height: 32,
-                        ),
-                        Text(
-                          tr('lastUpdateCheckX', args: [
-                            app?.app.lastUpdateCheck == null
-                                ? tr('never')
-                                : '\n${app?.app.lastUpdateCheck?.toLocal()}'
-                          ]),
-                          textAlign: TextAlign.center,
-                          style: const TextStyle(
-                              fontStyle: FontStyle.italic, fontSize: 12),
-                        ),
-                        const SizedBox(
-                          height: 48,
-                        ),
-                        CategoryEditorSelector(
-                            alignment: WrapAlignment.center,
-                            singleSelect: true,
-                            preselected: app?.app.category != null
-                                ? {app!.app.category!}
-                                : {},
-                            onSelected: (categories) {
-                              if (app != null) {
-                                app.app.category = categories.isNotEmpty
-                                    ? categories[0]
-                                    : null;
-                                appsProvider.saveApps([app.app]);
-                              }
-                            })
-                      ],
-                    )),
                   ],
                 ),
           onRefresh: () async {
@@ -289,6 +290,31 @@ class _AppPageState extends State<AppPage> {
                                     },
                               tooltip: tr('additionalOptions'),
                               icon: const Icon(Icons.settings)),
+                        if (app != null && settingsProvider.showAppWebpage)
+                          IconButton(
+                              onPressed: () {
+                                showDialog(
+                                    context: context,
+                                    builder: (BuildContext ctx) {
+                                      return AlertDialog(
+                                        scrollable: true,
+                                        content: infoColumn,
+                                        title: Text(
+                                            '${app.app.name} ${tr('byX', args: [
+                                              app.app.author
+                                            ])}'),
+                                        actions: [
+                                          TextButton(
+                                              onPressed: () {
+                                                Navigator.of(context).pop();
+                                              },
+                                              child: Text(tr('continue')))
+                                        ],
+                                      );
+                                    });
+                              },
+                              icon: const Icon(Icons.more_horiz),
+                              tooltip: tr('more')),
                         const SizedBox(width: 16.0),
                         Expanded(
                             child: ElevatedButton(

lib/pages/apps.dart

@@ -7,6 +7,7 @@ import 'package:obtainium/components/generated_form_modal.dart';
 import 'package:obtainium/custom_errors.dart';
 import 'package:obtainium/main.dart';
 import 'package:obtainium/pages/app.dart';
+import 'package:obtainium/pages/settings.dart';
 import 'package:obtainium/providers/apps_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
 import 'package:obtainium/providers/source_provider.dart';
@@ -22,7 +23,8 @@ class AppsPage extends StatefulWidget {
 }
 
 class AppsPageState extends State<AppsPage> {
-  AppsFilter? filter;
+  AppsFilter filter = AppsFilter();
+  final AppsFilter neutralFilter = AppsFilter();
   var updatesOnlyFilter =
       AppsFilter(includeUptodate: false, includeNonInstalled: false);
   Set<App> selectedApps = {};
@@ -54,7 +56,7 @@ class AppsPageState extends State<AppsPage> {
     var settingsProvider = context.watch<SettingsProvider>();
     var sortedApps = appsProvider.apps.values.toList();
     var currentFilterIsUpdatesOnly =
-        filter?.isIdenticalTo(updatesOnlyFilter) ?? false;
+        filter.isIdenticalTo(updatesOnlyFilter, settingsProvider);
 
     selectedApps = selectedApps
         .where((element) => sortedApps.map((e) => e.app).contains(element))
@@ -70,22 +72,20 @@ class AppsPageState extends State<AppsPage> {
       });
     }
 
-    if (filter != null) {
     sortedApps = sortedApps.where((app) {
       if (app.app.installedVersion == app.app.latestVersion &&
-            !(filter!.includeUptodate)) {
+          !(filter.includeUptodate)) {
         return false;
       }
-        if (app.app.installedVersion == null &&
+      if (app.app.installedVersion == null && !(filter.includeNonInstalled)) {
-            !(filter!.includeNonInstalled)) {
         return false;
       }
-        if (filter!.nameFilter.isNotEmpty || filter!.authorFilter.isNotEmpty) {
+      if (filter.nameFilter.isNotEmpty || filter.authorFilter.isNotEmpty) {
-          List<String> nameTokens = filter!.nameFilter
+        List<String> nameTokens = filter.nameFilter
             .split(' ')
             .where((element) => element.trim().isNotEmpty)
             .toList();
-          List<String> authorTokens = filter!.authorFilter
+        List<String> authorTokens = filter.authorFilter
             .split(' ')
             .where((element) => element.trim().isNotEmpty)
             .toList();
@@ -102,13 +102,14 @@ class AppsPageState extends State<AppsPage> {
           }
         }
       }
-        if (filter!.categoryFilter.isNotEmpty &&
+      if (filter.categoryFilter.isNotEmpty &&
-            filter!.categoryFilter != app.app.category) {
+          filter.categoryFilter
+              .intersection(app.app.categories.toSet())
+              .isEmpty) {
         return false;
       }
       return true;
     }).toList();
-    }
 
     sortedApps.sort((a, b) {
       var nameA = a.installedInfo?.name ?? a.app.name;
@@ -226,14 +227,21 @@ class AppsPageState extends State<AppsPage> {
               String? changesUrl = SourceProvider()
                   .getSource(sortedApps[index].app.url)
                   .changeLogPageFromStandardUrl(sortedApps[index].app.url);
+              var transparent = const Color.fromARGB(0, 0, 0, 0).value;
               return Container(
                   decoration: BoxDecoration(
                       border: Border.symmetric(
                           vertical: BorderSide(
-                              width: 3,
+                              width: 4,
-                              color: Color(settingsProvider.categories[
+                              color: Color(
-                                      sortedApps[index].app.category] ??
+                                  sortedApps[index].app.categories.isNotEmpty
-                                  const Color.fromARGB(0, 0, 0, 0).value)))),
+                                      ? settingsProvider.categories[
+                                              sortedApps[index]
+                                                  .app
+                                                  .categories
+                                                  .first] ??
+                                          transparent
+                                      : transparent)))),
                   child: ListTile(
                     tileColor: sortedApps[index].app.pinned
                         ? Colors.grey.withOpacity(0.1)
@@ -339,7 +347,21 @@ class AppsPageState extends State<AppsPage> {
       persistentFooterButtons: [
         Row(
           children: [
-            IconButton(
+            selectedApps.isEmpty
+                ? TextButton.icon(
+                    style:
+                        const ButtonStyle(visualDensity: VisualDensity.compact),
+                    onPressed: () {
+                      selectThese(sortedApps.map((e) => e.app).toList());
+                    },
+                    icon: Icon(
+                      Icons.select_all_outlined,
+                      color: Theme.of(context).colorScheme.primary,
+                    ),
+                    label: Text(sortedApps.length.toString()))
+                : TextButton.icon(
+                    style:
+                        const ButtonStyle(visualDensity: VisualDensity.compact),
                     onPressed: () {
                       selectedApps.isEmpty
                           ? selectThese(sortedApps.map((e) => e.app).toList())
@@ -351,36 +373,39 @@ class AppsPageState extends State<AppsPage> {
                           : Icons.deselect_outlined,
                       color: Theme.of(context).colorScheme.primary,
                     ),
-                tooltip: selectedApps.isEmpty
+                    label: Text(selectedApps.length.toString())),
-                    ? tr('selectAll')
-                    : tr('deselectN', args: [selectedApps.length.toString()])),
             const VerticalDivider(),
             Expanded(
+                child: SingleChildScrollView(
+                    scrollDirection: Axis.horizontal,
                     child: Row(
                       mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                       children: [
-                selectedApps.isEmpty
+                        IconButton(
-                    ? const SizedBox()
-                    : IconButton(
                           visualDensity: VisualDensity.compact,
-                        onPressed: () {
+                          onPressed: selectedApps.isEmpty
+                              ? null
+                              : () {
                                   showDialog<Map<String, dynamic>?>(
                                       context: context,
                                       builder: (BuildContext ctx) {
                                         return GeneratedFormModal(
-                                  title: tr('removeSelectedAppsQuestion'),
+                                          title:
+                                              tr('removeSelectedAppsQuestion'),
                                           items: const [],
                                           initValid: true,
                                           message: tr(
                                               'xWillBeRemovedButRemainInstalled',
                                               args: [
-                                        plural('apps', selectedApps.length)
+                                                plural(
+                                                    'apps', selectedApps.length)
                                               ]),
                                         );
                                       }).then((values) {
                                     if (values != null) {
-                              appsProvider.removeApps(
+                                      appsProvider.removeApps(selectedApps
-                                  selectedApps.map((e) => e.id).toList());
+                                          .map((e) => e.id)
+                                          .toList());
                                     }
                                   });
                                 },
@@ -397,50 +422,71 @@ class AppsPageState extends State<AppsPage> {
                                 : () {
                                     HapticFeedback.heavyImpact();
                                     List<GeneratedFormItem> formItems = [];
-                            if (existingUpdateIdsAllOrSelected.isNotEmpty) {
+                                    if (existingUpdateIdsAllOrSelected
-                              formItems.add(GeneratedFormSwitch('updates',
+                                        .isNotEmpty) {
+                                      formItems.add(GeneratedFormSwitch(
+                                          'updates',
                                           label: tr('updateX', args: [
-                                    plural('apps',
+                                            plural(
-                                        existingUpdateIdsAllOrSelected.length)
+                                                'apps',
+                                                existingUpdateIdsAllOrSelected
+                                                    .length)
                                           ]),
                                           defaultValue: true));
                                     }
                                     if (newInstallIdsAllOrSelected.isNotEmpty) {
-                              formItems.add(GeneratedFormSwitch('installs',
+                                      formItems.add(GeneratedFormSwitch(
+                                          'installs',
                                           label: tr('installX', args: [
-                                    plural('apps',
+                                            plural(
-                                        newInstallIdsAllOrSelected.length)
+                                                'apps',
+                                                newInstallIdsAllOrSelected
+                                                    .length)
                                           ]),
-                                  defaultValue: existingUpdateIdsAllOrSelected
+                                          defaultValue:
+                                              existingUpdateIdsAllOrSelected
                                                   .isNotEmpty));
                                     }
-                            if (trackOnlyUpdateIdsAllOrSelected.isNotEmpty) {
+                                    if (trackOnlyUpdateIdsAllOrSelected
-                              formItems.add(GeneratedFormSwitch('trackonlies',
+                                        .isNotEmpty) {
-                                  label: tr('markXTrackOnlyAsUpdated', args: [
+                                      formItems.add(GeneratedFormSwitch(
-                                    plural('apps',
+                                          'trackonlies',
-                                        trackOnlyUpdateIdsAllOrSelected.length)
+                                          label: tr('markXTrackOnlyAsUpdated',
+                                              args: [
+                                                plural(
+                                                    'apps',
+                                                    trackOnlyUpdateIdsAllOrSelected
+                                                        .length)
                                               ]),
-                                  defaultValue: existingUpdateIdsAllOrSelected
+                                          defaultValue:
+                                              existingUpdateIdsAllOrSelected
                                                       .isNotEmpty ||
-                                      newInstallIdsAllOrSelected.isNotEmpty));
+                                                  newInstallIdsAllOrSelected
+                                                      .isNotEmpty));
                                     }
                                     showDialog<Map<String, dynamic>?>(
                                         context: context,
                                         builder: (BuildContext ctx) {
-                                  var totalApps = existingUpdateIdsAllOrSelected
+                                          var totalApps =
+                                              existingUpdateIdsAllOrSelected.length +
+                                                  newInstallIdsAllOrSelected
                                                       .length +
-                                      newInstallIdsAllOrSelected.length +
+                                                  trackOnlyUpdateIdsAllOrSelected
-                                      trackOnlyUpdateIdsAllOrSelected.length;
+                                                      .length;
                                           return GeneratedFormModal(
-                                    title: tr('changeX',
+                                            title: tr('changeX', args: [
-                                        args: [plural('apps', totalApps)]),
+                                              plural('apps', totalApps)
-                                    items: formItems.map((e) => [e]).toList(),
+                                            ]),
+                                            items: formItems
+                                                .map((e) => [e])
+                                                .toList(),
                                             initValid: true,
                                           );
                                         }).then((values) {
                                       if (values != null) {
                                         if (values.isEmpty) {
-                                  values = getDefaultValuesFromFormItems(
+                                          values =
+                                              getDefaultValuesFromFormItems(
                                                   [formItems]);
                                         }
                                         bool shouldInstallUpdates =
@@ -459,20 +505,22 @@ class AppsPageState extends State<AppsPage> {
                                             .then((_) {
                                           List<String> toInstall = [];
                                           if (shouldInstallUpdates) {
-                                    toInstall
+                                            toInstall.addAll(
-                                        .addAll(existingUpdateIdsAllOrSelected);
+                                                existingUpdateIdsAllOrSelected);
                                           }
                                           if (shouldInstallNew) {
-                                    toInstall
+                                            toInstall.addAll(
-                                        .addAll(newInstallIdsAllOrSelected);
+                                                newInstallIdsAllOrSelected);
                                           }
                                           if (shouldMarkTrackOnlies) {
                                             toInstall.addAll(
                                                 trackOnlyUpdateIdsAllOrSelected);
                                           }
                                           appsProvider
-                                      .downloadAndInstallLatestApps(toInstall,
+                                              .downloadAndInstallLatestApps(
-                                          globalNavigatorKey.currentContext)
+                                                  toInstall,
+                                                  globalNavigatorKey
+                                                      .currentContext)
                                               .catchError((e) {
                                             showError(e, context);
                                           });
@@ -486,30 +534,104 @@ class AppsPageState extends State<AppsPage> {
                             icon: const Icon(
                               Icons.file_download_outlined,
                             )),
-                selectedApps.isEmpty
+                        IconButton(
-                    ? const SizedBox()
-                    : IconButton(
                           visualDensity: VisualDensity.compact,
-                        onPressed: () {
+                          onPressed: selectedApps.isEmpty
+                              ? null
+                              : () async {
+                                  try {
+                                    Set<String>? preselected;
+                                    var showPrompt = false;
+                                    for (var element in selectedApps) {
+                                      var currentCats =
+                                          element.categories.toSet();
+                                      if (preselected == null) {
+                                        preselected = currentCats;
+                                      } else {
+                                        if (!settingsProvider.setEqual(
+                                            currentCats, preselected)) {
+                                          showPrompt = true;
+                                          break;
+                                        }
+                                      }
+                                    }
+                                    var cont = true;
+                                    if (showPrompt) {
+                                      cont = await showDialog<
+                                                  Map<String, dynamic>?>(
+                                              context: context,
+                                              builder: (BuildContext ctx) {
+                                                return GeneratedFormModal(
+                                                  title: tr('categorize'),
+                                                  items: const [],
+                                                  initValid: true,
+                                                  message: tr(
+                                                      'selectedCategorizeWarning'),
+                                                );
+                                              }) !=
+                                          null;
+                                    }
+                                    if (cont) {
+                                      await showDialog<Map<String, dynamic>?>(
+                                          context: context,
+                                          builder: (BuildContext ctx) {
+                                            return GeneratedFormModal(
+                                              title: tr('categorize'),
+                                              items: const [],
+                                              initValid: true,
+                                              singleNullReturnButton:
+                                                  tr('continue'),
+                                              additionalWidgets: [
+                                                CategoryEditorSelector(
+                                                  preselected: !showPrompt
+                                                      ? preselected ?? {}
+                                                      : {},
+                                                  showLabelWhenNotEmpty: false,
+                                                  onSelected: (categories) {
+                                                    appsProvider.saveApps(
+                                                        selectedApps.map((e) {
+                                                      e.categories = categories;
+                                                      return e;
+                                                    }).toList());
+                                                  },
+                                                )
+                                              ],
+                                            );
+                                          });
+                                    }
+                                  } catch (err) {
+                                    showError(err, context);
+                                  }
+                                },
+                          tooltip: tr('categorize'),
+                          icon: const Icon(Icons.category_outlined),
+                        ),
+                        IconButton(
+                          visualDensity: VisualDensity.compact,
+                          onPressed: selectedApps.isEmpty
+                              ? null
+                              : () {
                                   showDialog(
                                       context: context,
                                       builder: (BuildContext ctx) {
                                         return AlertDialog(
                                           scrollable: true,
                                           content: Padding(
-                                    padding: const EdgeInsets.only(top: 6),
+                                            padding:
+                                                const EdgeInsets.only(top: 6),
                                             child: Row(
                                                 mainAxisAlignment:
-                                            MainAxisAlignment.spaceAround,
+                                                    MainAxisAlignment
+                                                        .spaceAround,
                                                 children: [
                                                   IconButton(
-                                              onPressed:
+                                                      onPressed: appsProvider
-                                                  appsProvider
                                                               .areDownloadsRunning()
                                                           ? null
                                                           : () {
                                                               showDialog(
-                                                              context: context,
+                                                                  context:
+                                                                      context,
                                                                   builder:
                                                                       (BuildContext
                                                                           ctx) {
@@ -517,47 +639,39 @@ class AppsPageState extends State<AppsPage> {
                                                                       title: Text(tr(
                                                                           'markXSelectedAppsAsUpdated',
                                                                           args: [
-                                                                        selectedApps
+                                                                            selectedApps.length.toString()
-                                                                            .length
-                                                                            .toString()
                                                                           ])),
-                                                                  content: Text(
+                                                                      content:
+                                                                          Text(
                                                                         tr('onlyWorksWithNonEVDApps'),
                                                                         style: const TextStyle(
                                                                             fontWeight:
-                                                                            FontWeight
+                                                                                FontWeight.bold,
-                                                                                .bold,
+                                                                            fontStyle: FontStyle.italic),
-                                                                        fontStyle:
-                                                                            FontStyle.italic),
                                                                       ),
                                                                       actions: [
                                                                         TextButton(
                                                                             onPressed:
                                                                                 () {
-                                                                          Navigator.of(context)
+                                                                              Navigator.of(context).pop();
-                                                                              .pop();
                                                                             },
-                                                                        child: Text(
+                                                                            child:
-                                                                            tr('no'))),
+                                                                                Text(tr('no'))),
                                                                         TextButton(
                                                                             onPressed:
                                                                                 () {
-                                                                          HapticFeedback
+                                                                              HapticFeedback.selectionClick();
-                                                                              .selectionClick();
+                                                                              appsProvider.saveApps(selectedApps.map((a) {
-                                                                          appsProvider
+                                                                                if (a.installedVersion != null) {
-                                                                              .saveApps(selectedApps.map((a) {
-                                                                            if (a.installedVersion !=
-                                                                                null) {
                                                                                   a.installedVersion = a.latestVersion;
                                                                                 }
                                                                                 return a;
                                                                               }).toList());
 
-                                                                          Navigator.of(context)
+                                                                              Navigator.of(context).pop();
-                                                                              .pop();
                                                                             },
-                                                                        child: Text(
+                                                                            child:
-                                                                            tr('yes')))
+                                                                                Text(tr('yes')))
                                                                       ],
                                                                     );
                                                                   }).whenComplete(() {
@@ -566,21 +680,25 @@ class AppsPageState extends State<AppsPage> {
                                                                     .pop();
                                                               });
                                                             },
-                                              tooltip:
+                                                      tooltip: tr(
-                                                  tr('markSelectedAppsUpdated'),
+                                                          'markSelectedAppsUpdated'),
-                                              icon: const Icon(Icons.done)),
+                                                      icon: const Icon(
+                                                          Icons.done)),
                                                   IconButton(
                                                     onPressed: () {
-                                              var pinStatus = selectedApps
+                                                      var pinStatus =
+                                                          selectedApps
                                                               .where((element) =>
-                                                      element.pinned)
+                                                                  element
+                                                                      .pinned)
                                                               .isEmpty;
                                                       appsProvider.saveApps(
                                                           selectedApps.map((e) {
                                                         e.pinned = pinStatus;
                                                         return e;
                                                       }).toList());
-                                              Navigator.of(context).pop();
+                                                      Navigator.of(context)
+                                                          .pop();
                                                     },
                                                     tooltip: selectedApps
                                                             .where((element) =>
@@ -592,14 +710,16 @@ class AppsPageState extends State<AppsPage> {
                                                             .where((element) =>
                                                                 element.pinned)
                                                             .isEmpty
-                                                ? Icons.bookmark_outline_rounded
+                                                        ? Icons
+                                                            .bookmark_outline_rounded
                                                         : Icons
                                                             .bookmark_remove_outlined),
                                                   ),
                                                   IconButton(
                                                     onPressed: () {
                                                       String urls = '';
-                                              for (var a in selectedApps) {
+                                                      for (var a
+                                                          in selectedApps) {
                                                         urls += '${a.url}\n';
                                                       }
                                                       urls = urls.substring(
@@ -607,16 +727,20 @@ class AppsPageState extends State<AppsPage> {
                                                       Share.share(urls,
                                                           subject: tr(
                                                               'selectedAppURLsFromObtainium'));
-                                              Navigator.of(context).pop();
+                                                      Navigator.of(context)
+                                                          .pop();
                                                     },
-                                            tooltip: tr('shareSelectedAppURLs'),
+                                                    tooltip: tr(
-                                            icon: const Icon(Icons.share),
+                                                        'shareSelectedAppURLs'),
+                                                    icon:
+                                                        const Icon(Icons.share),
                                                   ),
                                                   IconButton(
                                                     onPressed: () {
                                                       showDialog(
                                                           context: context,
-                                                  builder: (BuildContext ctx) {
+                                                          builder: (BuildContext
+                                                              ctx) {
                                                             return GeneratedFormModal(
                                                               title: tr(
                                                                   'resetInstallStatusForSelectedAppsQuestion'),
@@ -634,18 +758,22 @@ class AppsPageState extends State<AppsPage> {
                                                           }).then((values) {
                                                         if (values != null) {
                                                           appsProvider.saveApps(
-                                                      selectedApps.map((e) {
+                                                              selectedApps
-                                                    e.installedVersion = null;
+                                                                  .map((e) {
+                                                            e.installedVersion =
+                                                                null;
                                                             return e;
                                                           }).toList());
                                                         }
                                                       }).whenComplete(() {
-                                                Navigator.of(context).pop();
+                                                        Navigator.of(context)
+                                                            .pop();
                                                       });
                                                     },
-                                            tooltip: tr('resetInstallStatus'),
+                                                    tooltip: tr(
-                                            icon: const Icon(
+                                                        'resetInstallStatus'),
-                                                Icons.restore_page_outlined),
+                                                    icon: const Icon(Icons
+                                                        .restore_page_outlined),
                                                   ),
                                                 ]),
                                           ),
@@ -656,14 +784,14 @@ class AppsPageState extends State<AppsPage> {
                           icon: const Icon(Icons.more_horiz),
                         ),
                       ],
-            )),
+                    ))),
             const VerticalDivider(),
             IconButton(
               visualDensity: VisualDensity.compact,
               onPressed: () {
                 setState(() {
                   if (currentFilterIsUpdatesOnly) {
-                    filter = null;
+                    filter = AppsFilter();
                   } else {
                     filter = updatesOnlyFilter;
                   }
@@ -682,10 +810,15 @@ class AppsPageState extends State<AppsPage> {
             appsProvider.apps.isEmpty
                 ? const SizedBox()
                 : TextButton.icon(
+                    style:
+                        const ButtonStyle(visualDensity: VisualDensity.compact),
                     label: Text(
-                      filter == null ? tr('filter') : tr('filterActive'),
+                      filter.isIdenticalTo(neutralFilter, settingsProvider)
+                          ? tr('filter')
+                          : tr('filterActive'),
                       style: TextStyle(
-                          fontWeight: filter == null
+                          fontWeight: filter.isIdenticalTo(
+                                  neutralFilter, settingsProvider)
                               ? FontWeight.normal
                               : FontWeight.bold),
                     ),
@@ -693,10 +826,9 @@ class AppsPageState extends State<AppsPage> {
                       showDialog<Map<String, dynamic>?>(
                           context: context,
                           builder: (BuildContext ctx) {
-                            var vals = filter == null
+                            var vals = filter.toFormValuesMap();
-                                ? AppsFilter().toValuesMap()
-                                : filter!.toValuesMap();
                             return GeneratedFormModal(
+                              initValid: true,
                               title: tr('filterApps'),
                               items: [
                                 [
@@ -718,19 +850,24 @@ class AppsPageState extends State<AppsPage> {
                                   GeneratedFormSwitch('nonInstalledApps',
                                       label: tr('nonInstalledApps'),
                                       defaultValue: vals['nonInstalledApps'])
-                                  ],
-                                  [
-                                    settingsProvider.getCategoryFormItem(
-                                        initCategory: vals['category'] ?? '')
                                 ]
-                                ]);
+                              ],
+                              additionalWidgets: [
+                                const SizedBox(
+                                  height: 16,
+                                ),
+                                CategoryEditorSelector(
+                                  preselected: filter.categoryFilter,
+                                  onSelected: (categories) {
+                                    filter.categoryFilter = categories.toSet();
+                                  },
+                                )
+                              ],
+                            );
                           }).then((values) {
                         if (values != null) {
                           setState(() {
-                            filter = AppsFilter.fromValuesMap(values);
+                            filter.setFormValuesFromMap(values);
-                            if (AppsFilter().isIdenticalTo(filter!)) {
-                              filter = null;
-                            }
                           });
                         }
                       });
@@ -748,37 +885,35 @@ class AppsFilter {
   late String authorFilter;
   late bool includeUptodate;
   late bool includeNonInstalled;
-  late String categoryFilter;
+  late Set<String> categoryFilter;
 
   AppsFilter(
       {this.nameFilter = '',
       this.authorFilter = '',
       this.includeUptodate = true,
       this.includeNonInstalled = true,
-      this.categoryFilter = ''});
+      this.categoryFilter = const {}});
 
-  Map<String, dynamic> toValuesMap() {
+  Map<String, dynamic> toFormValuesMap() {
     return {
       'appName': nameFilter,
       'author': authorFilter,
       'upToDateApps': includeUptodate,
-      'nonInstalledApps': includeNonInstalled,
+      'nonInstalledApps': includeNonInstalled
-      'category': categoryFilter
     };
   }
 
-  AppsFilter.fromValuesMap(Map<String, dynamic> values) {
+  setFormValuesFromMap(Map<String, dynamic> values) {
     nameFilter = values['appName']!;
     authorFilter = values['author']!;
     includeUptodate = values['upToDateApps'];
     includeNonInstalled = values['nonInstalledApps'];
-    categoryFilter = values['category']!;
   }
 
-  bool isIdenticalTo(AppsFilter other) =>
+  bool isIdenticalTo(AppsFilter other, SettingsProvider settingsProvider) =>
       authorFilter.trim() == other.authorFilter.trim() &&
       nameFilter.trim() == other.nameFilter.trim() &&
       includeUptodate == other.includeUptodate &&
       includeNonInstalled == other.includeNonInstalled &&
-      categoryFilter.trim() == other.categoryFilter.trim();
+      settingsProvider.setEqual(categoryFilter, other.categoryFilter);
 }

lib/pages/import_export.dart

@@ -9,6 +9,7 @@ import 'package:obtainium/components/generated_form.dart';
 import 'package:obtainium/components/generated_form_modal.dart';
 import 'package:obtainium/custom_errors.dart';
 import 'package:obtainium/providers/apps_provider.dart';
+import 'package:obtainium/providers/settings_provider.dart';
 import 'package:obtainium/providers/source_provider.dart';
 import 'package:provider/provider.dart';
 import 'package:file_picker/file_picker.dart';
@@ -28,6 +29,7 @@ class _ImportExportPageState extends State<ImportExportPage> {
   Widget build(BuildContext context) {
     SourceProvider sourceProvider = SourceProvider();
     var appsProvider = context.read<AppsProvider>();
+    var settingsProvider = context.read<SettingsProvider>();
     var outlineButtonStyle = ButtonStyle(
       shape: MaterialStateProperty.all(
         StadiumBorder(
@@ -66,6 +68,8 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                             showError(
                                                 tr('exportedTo', args: [path]),
                                                 context);
+                                          }).catchError((e) {
+                                            showError(e, context);
                                           });
                                         },
                                   child: Text(tr('obtainiumExport')))),
@@ -98,6 +102,21 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                               appsProvider
                                                   .importApps(data)
                                                   .then((value) {
+                                                var cats =
+                                                    settingsProvider.categories;
+                                                appsProvider.apps
+                                                    .forEach((key, value) {
+                                                  for (var c
+                                                      in value.app.categories) {
+                                                    if (!cats.containsKey(c)) {
+                                                      cats[c] =
+                                                          generateRandomLightColor()
+                                                              .value;
+                                                    }
+                                                  }
+                                                });
+                                                settingsProvider.categories =
+                                                    cats;
                                                 showError(
                                                     tr('importedX', args: [
                                                       plural('apps', value)
@@ -338,7 +357,9 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                             ? null
                                             : () {
                                                 () async {
-                                                  var values = await showDialog(
+                                                  var values = await showDialog<
+                                                          Map<String,
+                                                              dynamic>?>(
                                                       context: context,
                                                       builder:
                                                           (BuildContext ctx) {
@@ -365,7 +386,10 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                     var urlsWithDescriptions =
                                                         await source
                                                             .getUrlsWithDescriptions(
-                                                                values);
+                                                                values.values
+                                                                    .map((e) =>
+                                                                        e.toString())
+                                                                    .toList());
                                                     var selectedUrls =
                                                         await showDialog<
                                                                 List<String>?>(

lib/pages/settings.dart

@@ -185,7 +185,7 @@ class _SettingsPageState extends State<SettingsPage> {
               return [e];
             }).toList(),
             onValueChanges: (values, valid, isBuilding) {
-              if (valid) {
+              if (valid && !isBuilding) {
                 values.forEach((key, value) {
                   settingsProvider.setSettingString(key, value);
                 });
@@ -286,7 +286,9 @@ class _SettingsPageState extends State<SettingsPage> {
                                   color: Theme.of(context).colorScheme.primary),
                             ),
                             height16,
-                            const CategoryEditorSelector()
+                            const CategoryEditorSelector(
+                              showLabelWhenNotEmpty: false,
+                            )
                           ],
                         ))),
           SliverToBoxAdapter(
@@ -407,12 +409,14 @@ class CategoryEditorSelector extends StatefulWidget {
   final bool singleSelect;
   final Set<String> preselected;
   final WrapAlignment alignment;
+  final bool showLabelWhenNotEmpty;
   const CategoryEditorSelector(
       {super.key,
       this.onSelected,
       this.singleSelect = false,
       this.preselected = const {},
-      this.alignment = WrapAlignment.start});
+      this.alignment = WrapAlignment.start,
+      this.showLabelWhenNotEmpty = true});
 
   @override
   State<CategoryEditorSelector> createState() => _CategoryEditorSelectorState();
@@ -432,14 +436,15 @@ class _CategoryEditorSelectorState extends State<CategoryEditorSelector> {
         items: [
           [
             GeneratedFormTagInput('categories',
-                label: tr('category'),
+                label: tr('categories'),
                 emptyMessage: tr('noCategories'),
                 defaultValue: storedValues,
                 alignment: widget.alignment,
                 deleteConfirmationMessage: MapEntry(
                     tr('deleteCategoriesQuestion'),
                     tr('categoryDeleteWarning')),
-                singleSelect: widget.singleSelect)
+                singleSelect: widget.singleSelect,
+                showLabelWhenNotEmpty: widget.showLabelWhenNotEmpty)
           ]
         ],
         onValueChanges: ((values, valid, isBuilding) {

lib/providers/apps_provider.dart

@@ -17,6 +17,7 @@ import 'package:obtainium/providers/logs_provider.dart';
 import 'package:obtainium/providers/notifications_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
 import 'package:package_archive_info/package_archive_info.dart';
+import 'package:permission_handler/permission_handler.dart';
 import 'package:provider/provider.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:flutter_fgbg/flutter_fgbg.dart';
@@ -706,6 +707,14 @@ class AppsProvider with ChangeNotifier {
       exportDir = await getExternalStorageDirectory();
       path = exportDir!.path;
     }
+    if ((await DeviceInfoPlugin().androidInfo).version.sdkInt <= 28) {
+      if (await Permission.storage.isDenied) {
+        await Permission.storage.request();
+      }
+      if (await Permission.storage.isDenied) {
+        throw ObtainiumError(tr('storagePermissionDenied'));
+      }
+    }
     File export = File(
         '${exportDir.path}/${tr('obtainiumExportHyphenatedLowercase')}-${DateTime.now().millisecondsSinceEpoch}.json');
     export.writeAsStringSync(

lib/providers/settings_provider.dart

@@ -157,15 +157,6 @@ class SettingsProvider with ChangeNotifier {
     notifyListeners();
   }
 
-  getCategoryFormItem({String initCategory = ''}) => GeneratedFormDropdown(
-      'category',
-      label: tr('category'),
-      [
-        MapEntry('', tr('noCategory')),
-        ...categories.entries.map((e) => MapEntry(e.key, e.key)).toList()
-      ],
-      defaultValue: initCategory);
-
   String? get forcedLocale {
     var fl = prefs?.getString('forcedLocale');
     return supportedLocales
@@ -185,4 +176,7 @@ class SettingsProvider with ChangeNotifier {
     }
     notifyListeners();
   }
+
+  bool setEqual(Set<String> a, Set<String> b) =>
+      a.length == b.length && a.union(b).length == a.length;
 }

lib/providers/source_provider.dart

@@ -48,7 +48,7 @@ class App {
   late Map<String, dynamic> additionalSettings;
   late DateTime? lastUpdateCheck;
   bool pinned = false;
-  String? category;
+  List<String> categories;
   App(
       this.id,
       this.url,
@@ -61,7 +61,7 @@ class App {
       this.additionalSettings,
       this.lastUpdateCheck,
       this.pinned,
-      {this.category});
+      {this.categories = const []});
 
   @override
   String toString() {
@@ -103,6 +103,12 @@ class App {
             item.ensureType(additionalSettings[item.key]);
       }
     }
+    int preferredApkIndex = json['preferredApkIndex'] == null
+        ? 0
+        : json['preferredApkIndex'] as int;
+    if (preferredApkIndex < 0) {
+      preferredApkIndex = 0;
+    }
     return App(
         json['id'] as String,
         json['url'] as String,
@@ -115,15 +121,19 @@ class App {
         json['apkUrls'] == null
             ? []
             : List<String>.from(jsonDecode(json['apkUrls'])),
-        json['preferredApkIndex'] == null
+        preferredApkIndex,
-            ? 0
-            : json['preferredApkIndex'] as int,
         additionalSettings,
         json['lastUpdateCheck'] == null
             ? null
             : DateTime.fromMicrosecondsSinceEpoch(json['lastUpdateCheck']),
         json['pinned'] ?? false,
-        category: json['category']);
+        categories: json['categories'] != null
+            ? (json['categories'] as List<dynamic>)
+                .map((e) => e.toString())
+                .toList()
+            : json['category'] != null
+                ? [json['category'] as String]
+                : []);
   }
 
   Map<String, dynamic> toJson() => {
@@ -138,7 +148,7 @@ class App {
         'additionalSettings': jsonEncode(additionalSettings),
         'lastUpdateCheck': lastUpdateCheck?.microsecondsSinceEpoch,
         'pinned': pinned,
-        'category': category
+        'categories': categories
       };
 }
 
@@ -331,13 +341,13 @@ class SourceProvider {
       {App? currentApp,
       bool trackOnlyOverride = false,
       noVersionDetectionOverride = false}) async {
-    if (trackOnlyOverride) {
+    if (trackOnlyOverride || source.enforceTrackOnly) {
       additionalSettings['trackOnly'] = true;
     }
     if (noVersionDetectionOverride) {
       additionalSettings['noVersionDetection'] = true;
     }
-    var trackOnly = currentApp?.additionalSettings['trackOnly'] == true;
+    var trackOnly = additionalSettings['trackOnly'] == true;
     String standardUrl = source.standardizeURL(preStandardizeUrl(url));
     APKDetails apk =
         await source.getLatestAPKDetails(standardUrl, additionalSettings);
@@ -360,11 +370,11 @@ class SourceProvider {
         currentApp?.installedVersion,
         apkVersion,
         apk.apkUrls,
-        apk.apkUrls.length - 1,
+        apk.apkUrls.length - 1 >= 0 ? apk.apkUrls.length - 1 : 0,
         additionalSettings,
         DateTime.now(),
         currentApp?.pinned ?? false,
-        category: currentApp?.category);
+        categories: currentApp?.categories ?? const []);
   }
 
   // Returns errors in [results, errors] instead of throwing them

pubspec.lock

@@ -56,7 +56,7 @@ packages:
       name: checked_yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   cli_util:
     dependency: transitive
     description:
@@ -286,7 +286,7 @@ packages:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.2.2"
+    version: "3.3.0"
   install_plugin_v2:
     dependency: "direct main"
     description:
@@ -559,7 +559,7 @@ packages:
       name: shared_preferences_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.5"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
@@ -655,7 +655,7 @@ packages:
       name: timezone
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.0"
+    version: "0.9.1"
   typed_data:
     dependency: transitive
     description:
@@ -739,14 +739,14 @@ packages:
       name: webview_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "4.0.1"
   webview_flutter_android:
     dependency: transitive
     description:
       name: webview_flutter_android
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.1.1"
   webview_flutter_platform_interface:
     dependency: transitive
     description:
@@ -760,7 +760,7 @@ packages:
       name: webview_flutter_wkwebview
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.1"
   win32:
     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: 0.9.6+94 # When changing this, update the tag in main() accordingly
+version: 0.9.14+104 # When changing this, update the tag in main() accordingly
 
 environment:
   sdk: '>=2.18.2 <3.0.0'