The shrinker may have failed to optimize the Java bytecode

Question

Caused by: com.android.tools.r8.internal.f: Type com.example.myapplication.BuildConfig is defined multiple times: /Users/marcphrassias/Documents/myapplication/build/app/intermediates/javac/debug/classes/com/example/myapplication/BuildConfig 3.class, /Users/marcphrassias/Documents/myapplication/build/app/intermediates/javac/debug/classes/com/example/myapplication/BuildConfig 5.class at com.android.tools.r8.internal.LT.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:14) at com.android.tools.r8.internal.LT.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:22) at com.android.tools.r8.internal.JN.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:36) at com.android.tools.r8.internal.JN.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:10) at java.base/java.util.concurrent.ConcurrentHashMap.merge(ConcurrentHashMap.java:2048) at com.android.tools.r8.internal.JN.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:6) at com.android.tools.r8.graph.B2$a.e(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:7) at com.android.tools.r8.dex.b.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:101) at com.android.tools.r8.dex.b.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:25) at com.android.tools.r8.dex.b.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:24) at com.android.tools.r8.D8.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:25) at com.android.tools.r8.D8.d(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:606) at com.android.tools.r8.D8.b(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:1) at com.android.tools.r8.internal.Hj.a(R8_3.3.83_3e328a3bbd0c840823c96123eb0f6192f0adf17b30ae46f695be39af0bc3505e:24) ... 43 more

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':app:dexBuilderDebug'.

There were multiple failures while executing work items A failure occurred while executing com.android.build.gradle.internal.dexing.DexWorkAction > Failed to process: /Users/marcphrassias/Documents/myapplication/build/app/tmp/kotlin-classes/debug, /Users/marcphrassias/Documents/myapplication/build/app/intermediates/javac/debug/classes A failure occurred while executing com.android.build.gradle.internal.dexing.DexWorkAction > Failed to process: /Users/marcphrassias/Documents/myapplication/build/app/tmp/kotlin-classes/debug, /Users/marcphrassias/Documents/myapplication/build/app/intermediates/javac/debug/classes

• Try:

Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 4s ┌─ Flutter Fix ──────────────────────────────────────────────────────────────┐ │ [!] The shrinker may have failed to optimize the Java bytecode. │ │ To disable the shrinker, pass the --no-shrink flag to this command. │ │ To learn more, see: https://developer.android.com/studio/build/shrink-code │ └────────────────────────────────────────────────────────────────────────────┘ Exception: Gradle task assembleDebug failed with exit code 1 Exited

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 31 // modifié
    ndkVersion flutter.ndkVersion

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = '1.8'
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.myapplication"
        // You can update the following values to match your application needs.
        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
        minSdkVersion 21 //modifié
        targetSdkVersion 31
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        // multiDexEnabled true //ajouter
        // testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" //ajouter
    }

    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.debug
        }
            
        }
    }


flutter {
    source '../..'
}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    // implementation 'com.android.support:multidex:2.0.1'
}

apply plugin: 'com.google.gms.google-services'