use jvmTarget 11

pay/example/android/gradle.properties

@@ -1,3 +1,7 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
+# This builtInKotlin flag was added automatically by Flutter migrator
+android.builtInKotlin=false
+# This newDsl flag was added automatically by Flutter migrator
+android.newDsl=false

pay/example/android/settings.gradle

@@ -18,7 +18,7 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "8.3.2" apply false
+    id "com.android.application" version "8.6.0" apply false
     id "org.jetbrains.kotlin.android" version "2.0.20" apply false
 }
 

pay_android/android/build.gradle

@@ -13,19 +13,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 group 'io.flutter.plugins.pay_android'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.8.21'
+    ext.kotlin_version = '2.2.10'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.4.2'
+        classpath 'com.android.tools.build:gradle:8.13.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -40,15 +41,19 @@ rootProject.allprojects {
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
-android {
-    // Conditional for compatibility with AGP <4.2.
-    if (project.android.hasProperty("namespace")) {
-      namespace 'io.flutter.plugins.pay_android'
+kotlin {
+    compilerOptions {
+        jvmTarget = JvmTarget.fromTarget("17")
     }
-    compileSdk 34
+}
+
+android {
+    namespace = 'io.flutter.plugins.pay_android'
+    compileSdk = flutter.compileSdkVersion
 
-    kotlinOptions {
-        jvmTarget = '1.8'
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
 
     sourceSets {

pay_android/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.5-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME