updated project

android/app/build.gradle

@@ -25,7 +25,7 @@ if (flutterVersionName == null) {
 android {
     namespace "eu.mhsl.marianum.mobile.client"
     compileSdk flutter.compileSdkVersion
-    ndkVersion flutter.ndkVersion
+    ndkVersion "27.0.12077973"
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -41,11 +41,8 @@ android {
     }
 
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "eu.mhsl.marianum.mobile.client"
-        // You can update the following values to match your application needs.
-        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion 21
+        minSdkVersion 26
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
@@ -66,5 +63,6 @@ flutter {
 }
 
 dependencies {
-    implementation 'com.android.support:multidex:1.0.3'
+    implementation 'com.android.support:multidex:2.0.1'
+    implementation 'com.android.tools:desugar_jdk_libs:2.0.3'
 }

android/gradle.properties

@@ -1,3 +1,6 @@
 org.gradle.jvmargs=-Xmx4G
 android.useAndroidX=true
 android.enableJetifier=true
+android.defaults.buildfeatures.buildconfig=true
+android.nonTransitiveRClass=false
+android.nonFinalResIds=false

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

android/settings.gradle

@@ -19,7 +19,7 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "7.3.0" apply false
+    id "com.android.application" version '8.1.4' apply false
     id "org.jetbrains.kotlin.android" version "1.8.10" apply false
 }