update

android/app/build.gradle

@@ -27,9 +27,10 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 33
 
     compileOptions {
+        coreLibraryDesugaringEnabled true
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
@@ -49,6 +50,7 @@ android {
         targetSdkVersion 30
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        multiDexEnabled true
     }
 
     buildTypes {
@@ -67,4 +69,5 @@ flutter {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation platform('com.google.firebase:firebase-bom:30.1.0')
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
 }

android/build.gradle

@@ -6,7 +6,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:4.2.2'
         classpath 'com.google.gms:google-services:4.3.10'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }

pubspec.lock

@@ -258,6 +258,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "12.0.3"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.0"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -539,6 +560,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.12"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.0"
   typed_data:
     dependency: transitive
     description:

pubspec.yaml

@@ -28,6 +28,7 @@ dependencies:
   font_awesome_flutter: ^10.2.1
   provider: ^6.0.3
   connectivity_plus: ^2.3.0
+  flutter_local_notifications: ^12.0.3
 
 
 dev_dependencies: