permissions and stuff

android/app/src/main/AndroidManifest.xml

@@ -1,10 +1,13 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
+    <!-- deprecated in Android 13-->
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <application
         android:label="Timetable"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher"
-        android:allowBackup="false"
-        android:fullBackupOnly="false"
         >
         <activity
             android:name=".MainActivity"

lib/db/services/service.dart

@@ -9,6 +9,7 @@ import 'package:share_plus/share_plus.dart';
 import 'package:timetable/constants/days.dart';
 import 'package:timetable/constants/rotation_weeks.dart';
 import 'package:timetable/db/database.dart';
+import 'package:timetable/helpers/request_permission.dart';
 
 Future<void> shareFile(File file) async {
   Share.shareXFiles([XFile(file.path)]);
@@ -29,6 +30,9 @@ Future<void> exportData(AppDatabase db) async {
   final String fileName = 'timetable_backup_$date.json';
 
   try {
+    final isGranted = await requestStoragePermission();
+    if (!isGranted) return;
+
     final Map<String, List<dynamic>> allData = {
       'subject': await db.subject.select().get(),
       'timetable': await db.timetable.select().get(),

lib/helpers/request_permission.dart

@@ -0,0 +1,19 @@
+import 'package:permission_handler/permission_handler.dart';
+import 'package:timetable/helpers/get_os_version.dart';
+
+Future<bool> requestStoragePermission() async {
+  final int androidVersion = await getAndroidVersion();
+  bool status;
+
+  if (androidVersion >= 33) {
+    final photos = await Permission.photos.request();
+    final videos = await Permission.videos.request();
+
+    status = photos.isGranted && videos.isGranted;
+  } else {
+    final storage = await Permission.storage.request();
+    status = storage.isGranted;
+  }
+
+  return status;
+}

pubspec.lock

@@ -586,6 +586,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.1"
+  permission_handler:
+    dependency: "direct main"
+    description:
+      name: permission_handler
+      sha256: "18bf33f7fefbd812f37e72091a15575e72d5318854877e0e4035a24ac1113ecb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.3.1"
+  permission_handler_android:
+    dependency: transitive
+    description:
+      name: permission_handler_android
+      sha256: "71bbecfee799e65aff7c744761a57e817e73b738fedf62ab7afd5593da21f9f1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "12.0.13"
+  permission_handler_apple:
+    dependency: transitive
+    description:
+      name: permission_handler_apple
+      sha256: e6f6d73b12438ef13e648c4ae56bd106ec60d17e90a59c4545db6781229082a0
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.4.5"
+  permission_handler_html:
+    dependency: transitive
+    description:
+      name: permission_handler_html
+      sha256: "38f000e83355abb3392140f6bc3030660cfaef189e1f87824facb76300b4ff24"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.3+5"
+  permission_handler_platform_interface:
+    dependency: transitive
+    description:
+      name: permission_handler_platform_interface
+      sha256: e9c8eadee926c4532d0305dff94b85bf961f16759c3af791486613152af4b4f9
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.3"
+  permission_handler_windows:
+    dependency: transitive
+    description:
+      name: permission_handler_windows
+      sha256: "1a790728016f79a41216d88672dbc5df30e686e811ad4e698bfc51f76ad91f1e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.1"
   platform:
     dependency: transitive
     description:

pubspec.yaml

@@ -47,6 +47,7 @@ dependencies:
   sqlite3: ^2.4.0
   easy_localization: ^3.0.5
   share_plus: ^10.1.3
+  permission_handler: ^11.3.1
 
 dev_dependencies:
   flutter_test: