Flutter Kotlin Gradle DSL

app-build.gradle.kts

import java.util.Properties
import java.nio.file.Files

val localProperties = Properties()
val localPropertiesFile = rootProject.file("local.properties").toPath()
if (Files.exists(localPropertiesFile)) {
    Files.newBufferedReader(localPropertiesFile).use { reader ->
        localProperties.load(reader)
    }
}

val flutterRoot = localProperties.getProperty("flutter.sdk")
        ?: throw GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")

val flutterVersionCode = localProperties.getProperty("flutter.versionCode") ?: "1"
val flutterVersionName = localProperties.getProperty("flutter.versionName") ?: "1.0"

plugins {
    id("com.android.application")
    kotlin("android")
    kotlin("android.extensions")
}

apply("$flutterRoot/packages/flutter_tools/gradle/flutter.gradle")

android {
    compileSdkVersion(30)

    lintOptions {
        disable("InvalidPackage")
    }

    defaultConfig {
        applicationId = "com.linkdesk.android.automator"
        minSdkVersion(23)
        targetSdkVersion(30)
        versionCode = flutterVersionCode.toInt()
        versionName = flutterVersionName
        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
    }

    signingConfigs {
        create("release") {
            storeFile = file("<>")
            storePassword = "<>"
            keyAlias = "<>"
            keyPassword = "<>"
        }
    }

    buildTypes {
        getByName("release") {
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig = signingConfigs.getByName("release")
        }
    }
    buildToolsVersion = "29.0.3"
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = "1.8"
    }
}

project.extensions.getByName("flutter").apply {
    this::class.java.getMethod("source", String::class.java).invoke(this, "../..")
}

dependencies {
    testImplementation("junit:junit:4.13")
    androidTestImplementation("androidx.test.ext:junit:1.1.1")
    androidTestImplementation("androidx.test.espresso:espresso-core:3.2.0")
    implementation("androidx.core:core-ktx:1.3.1")
    implementation(kotlin("stdlib-jdk7"))
}

apply(plugin = "io.fabric")
// Google Play services Gradle plugin
apply(plugin = "com.google.gms.google-services")

build.gradle.kts

buildscript {
    extra.set("kotlin_version", "1.3.72")
    repositories {
        google()
        jcenter()
        maven("https://maven.fabric.io/public")
    }

    dependencies {
        classpath("com.android.tools.build:gradle:4.0.1")
        classpath("com.google.gms:google-services:4.3.3") // Google Services plugin
        classpath(kotlin("gradle-plugin", version = "1.3.72"))
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

rootProject.buildDir = file("../build")
subprojects {
    project.buildDir = file("${rootProject.buildDir}/${project.name}")
    project.evaluationDependsOn(":app")
}

tasks {
    task<Delete>("clean") {
        delete( rootProject.buildDir)
    }
}

settings.gradle.kts

import java.nio.file.Files
import java.util.*

include(":app")

val flutterProjectRoot = rootDir.toPath().parent

val plugins = Properties()
val pluginsFile = flutterProjectRoot.resolve(".flutter-plugins")
if (Files.exists(pluginsFile)) {
    Files.newBufferedReader(pluginsFile).use { plugins.load(it) }
}

plugins.forEach { name, path ->
    val pluginDirectory = flutterProjectRoot.resolve(path as String).resolve("android")
    include(":$name")
    project(":$name").projectDir = pluginDirectory.toFile()
}

stuck infinity on 8.3.0-alpha03 + gradle-8.3-bin

> Configure project :app
Kotlin DSL property assignment is an incubating feature.

> Configure project :
Starting a Gradle Daemon, 19 busy and 97 stopped Daemons could not be reused, use --status for details

flutter build appbundle caused this. (flutter 3.16.7)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Warning
──────────────────────────────────────────────────────────────────────────────
Your Flutter application is created using an older version of the Android
embedding. It is being deprecated in favor of Android embedding v2. To migrate
your project, follow the steps at:

https://github.com/flutter/flutter/wiki/Upgrading-pre-1.12-Android-projects

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
The detected reason was:

  No `/Users/jeiea/Documents/project/android/AndroidManifest.xml` file
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Build failed due to use of deprecated Android v1 embedding.

flutter build appbundle caused this. (flutter 3.16.7)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Warning
──────────────────────────────────────────────────────────────────────────────
Your Flutter application is created using an older version of the Android
embedding. It is being deprecated in favor of Android embedding v2. To migrate
your project, follow the steps at:

https://github.com/flutter/flutter/wiki/Upgrading-pre-1.12-Android-projects

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
The detected reason was:

  No `/Users/jeiea/Documents/project/android/AndroidManifest.xml` file
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Build failed due to use of deprecated Android v1 embedding.

I had same error too. In my case, I've updated flutter version from 3.19.6 to 3.22.3, and it worked.