android, successfully upgraded gradle and AGP to 9.

analysis_options.yaml

@@ -1 +1,10 @@
+analyzer:
+  exclude:
+    - build/**
+    - android/**
+    - ios/**
+    - web/**
+    - windows/**
+    - macos/**
+    - linux/**
 include: package:flutter_lints/flutter.yaml

android/app/build.gradle.kts

@@ -16,6 +16,7 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
+        isCoreLibraryDesugaringEnabled = true
         targetCompatibility = JavaVersion.VERSION_17
         sourceCompatibility = JavaVersion.VERSION_17
     }
@@ -47,6 +48,10 @@ android {
     }
 }
 
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
+}
+
 flutter {
     source = "../.."
 }

android/gradle.properties

@@ -1,3 +1,7 @@
 org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
 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

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,7 @@
 #Sat Sep 12 19:36:23 MST 2026
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.6.0-bin.zip
 #distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

android/settings.gradle.kts

@@ -19,7 +19,7 @@ pluginManagement {
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
 
-    id("com.android.application") version "8.13.0" apply false
+    id("com.android.application") version "9.4.0" apply false
     //id("com.android.application") version "9.0.1" apply false
 
     // This will need removed in Gradle/AGP 9.