Add support for higher AGP versions and fixes android build error

android/.gitignore

@@ -6,3 +6,4 @@
 .DS_Store
 /build
 /captures
+.cxx

android/build.gradle

@@ -1,44 +1,50 @@
-group 'com.victorblaess.native_flutter_proxy'
-version '1.0-SNAPSHOT'
+group = 'com.victorblaess.native_flutter_proxy'
 
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = "1.8.22"
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath("com.android.tools.build:gradle:8.7.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version")
     }
 }
 
-rootProject.allprojects {
+allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
-apply plugin: 'com.android.library'
-apply plugin: 'kotlin-android'
+apply plugin: "com.android.library"
+apply plugin: "kotlin-android"
 
 android {
-    compileSdkVersion 28
+    namespace 'com.victorblaess.native_flutter_proxy'
+
+    compileSdk = 35
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_11
+    }
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
     defaultConfig {
-        minSdkVersion 16
+        minSdkVersion 21
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     lintOptions {
         disable 'InvalidPackage'
     }
-}
-
-dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-}
+}

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip