FIX: improved gradle to kotlin and bumped android sdk to 36 (same as app)

android/build.gradle.bak

@@ -29,24 +29,45 @@ android {
         namespace 'com.flutter_rust_bridge.ccc_cryptography'
     }
 
+    compileSdk = flutter.compileSdkVersion  // 36
+    ndkVersion = flutter.ndkVersion         // 28.2.13676358
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+        isCoreLibraryDesugaringEnabled = true
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_17.toString()
+    }
+
+    defaultConfig {
+        applicationId = "com.letusmsg.app.ccc_cryptography"
+        targetSdk = flutter.targetSdkVersion         // 36
+        versionCode = flutter.versionCode            // from pubspec.yaml, 2025.8.19+2 == 2
+        versionName = flutter.versionName            // from pubspec.yaml, 2025.8.19+2 == 2025.8.19
+        minSdk = flutter.minSdkVersion               // 24
+    }
+
     // Bumping the plugin compileSdkVersion requires all clients of this plugin
     // to bump the version in their app.
-    compileSdkVersion 33
+    // compileSdkVersion 33
 
     // Use the NDK version
     // declared in /android/app/build.gradle file of the Flutter project.
     // Replace it with a version number if this plugin requires a specfic NDK version.
     // (e.g. ndkVersion "23.1.7779620")
-    ndkVersion android.ndkVersion
+    // ndkVersion android.ndkVersion
 
-    compileOptions {
+    // compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
+    //     sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+    //     targetCompatibility JavaVersion.VERSION_1_8
-    }
+    // }
 
-    defaultConfig {
+    // defaultConfig {
-        minSdkVersion 19
+    //     minSdkVersion 19
-    }
+    // }
 }
 
 apply from: "../cargokit/gradle/plugin.gradle"

android/build.gradle.kts

@@ -0,0 +1,53 @@
+import com.android.build.gradle.LibraryExtension
+import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.withGroovyBuilder
+
+group = "com.flutter_rust_bridge.ccc_cryptography"
+version = "1.0"
+
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath("com.android.tools.build:gradle:7.3.0")
+    }
+}
+
+rootProject.allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+apply(plugin = "com.android.library")
+apply(from = "../cargokit/gradle/plugin.gradle")
+
+configure<LibraryExtension> {
+    if (project.extensions.extraProperties.has("android") || project.extensions.findByName("android") != null) {
+        namespace = "com.flutter_rust_bridge.ccc_cryptography"
+    }
+
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    defaultConfig {
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+    }
+}
+
+extensions.configure<Any>("cargokit") {
+    withGroovyBuilder {
+        setProperty("manifestDir", "../rust")
+        setProperty("libname", "ccc_cryptography")
+    }
+}