Update Flutter to v2.10

android/app/build.gradle

@@ -22,6 +22,7 @@ if (flutterVersionName == null) {
 }
 
 apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 
@@ -36,13 +37,19 @@ android {
     compileSdkVersion 31
 
     compileOptions {
-
-        // Required to use WebRTC
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
-
     }
 
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/java'
+    }
+
+
     lintOptions {
         disable 'InvalidPackage'
 
@@ -79,9 +86,7 @@ android {
 
     buildTypes {
         release {
-            useProguard true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-
         }
     }
 
@@ -112,6 +117,7 @@ flutter {
 }
 
 dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'com.neovisionaries:nv-websocket-client:2.14'
     testImplementation 'junit:junit:4.13.1'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'

android/app/src/main/kotlin/org/communiquons/comunic/MainActivity.kt

@@ -1,6 +0,0 @@
-package org.communiquons.comunic
-
-import io.flutter.embedding.android.FlutterActivity
-
-class MainActivity: FlutterActivity() {
-}

android/build.gradle

@@ -1,4 +1,5 @@
 buildscript {
+    ext.kotlin_version = '1.5.30'
     repositories {
         google()
         mavenCentral()
@@ -6,6 +7,7 @@ buildscript {
 
     dependencies {
         classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // Firebase
         classpath 'com.google.gms:google-services:4.3.10'