added basis for notification implementation

android/app/src/main/AndroidManifest.xml

@@ -6,6 +6,9 @@
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission android:name="android.permission.VIBRATE" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
 
     <!-- io.flutter.app.FlutterApplication is an android.app.Application that
          calls FlutterMain.startInitialization(this); in its onCreate method.
@@ -31,5 +34,16 @@
                 android:name="flutterEmbedding"
                 android:value="2" />
         </activity>
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+        <!-- If you want your foreground service to be stopped if
+             your app is stopped, set android:stopWithTask to true.
+             See https://developer.android.com/reference/android/R.attr#stopWithTask -->
+        <service
+            android:name="com.dexterous.flutterlocalnotifications.ForegroundService"
+            android:exported="false"
+            android:stopWithTask="false"/>
     </application>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 </manifest>

ios/Runner/AppDelegate.swift

@@ -8,6 +8,9 @@ import Flutter
     didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
   ) -> Bool {
     GeneratedPluginRegistrant.register(with: self)
+    if #available(iOS 10.0, *) {
+    UNUserNotificationCenter.current().delegate = self as ? UNUserNotificationCenterDelegate
+    }
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
 }

pubspec.lock

@@ -14,14 +14,14 @@ packages:
       name: archive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.13"
+    version: "3.3.0"
   args:
     dependency: transitive
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.0"
+    version: "2.3.0"
   async:
     dependency: transitive
     description:
@@ -64,20 +64,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.16.0"
-  convert:
-    dependency: transitive
-    description:
-      name: convert
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.1"
   crypto:
     dependency: transitive
     description:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.5"
+    version: "3.0.1"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -85,6 +78,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.3"
+  dbus:
+    dependency: transitive
+    description:
+      name: dbus
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.7.3"
   fake_async:
     dependency: transitive
     description:
@@ -92,6 +92,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -103,7 +117,35 @@ packages:
       name: flutter_launcher_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.1"
+    version: "0.9.2"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "9.4.0"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.2"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.0"
+  flutter_native_timezone:
+    dependency: "direct main"
+    description:
+      name: flutter_native_timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -116,6 +158,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   http:
     dependency: "direct main"
     description:
@@ -136,7 +183,7 @@ packages:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.19"
+    version: "3.1.3"
   intl:
     dependency: "direct main"
     description:
@@ -144,6 +191,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.17.0"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4"
   matcher:
     dependency: transitive
     description:
@@ -178,7 +232,35 @@ packages:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
+    version: "5.0.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
     version: "3.1.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.4"
+  rxdart:
+    dependency: "direct main"
+    description:
+      name: rxdart
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.23.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -226,6 +308,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.9"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.8.0"
   typed_data:
     dependency: transitive
     description:
@@ -240,20 +329,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.2"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0+1"
   xml:
     dependency: transitive
     description:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.5.1"
+    version: "5.4.1"
   yaml:
     dependency: transitive
     description:
       name: yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.1"
+    version: "3.1.0"
 sdks:
   dart: ">=2.17.0-0 <3.0.0"
-  flutter: ">=1.20.0"
+  flutter: ">=2.2.0"

pubspec.yaml

@@ -12,13 +12,16 @@ dependencies:
   cupertino_icons: ^0.1.3
   flutter_secure_storage: 3.3.5
   http: 0.13.4
-  after_layout: ^1.0.7
+  after_layout: ^1.1.0
   intl: ^0.17.0
+  flutter_local_notifications: ^9.0.0
+  rxdart: ^0.23.1
+  flutter_native_timezone: ^2.0.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_launcher_icons: "^0.8.0"
+  flutter_launcher_icons: "^0.9.2"
 
 flutter_icons:
   image_path: "assets/vikunja_logo.png"