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Возникновение пожара Flutter, вызывающее D8: невозможно разместить запрошенные классы в одном файле dex (# методы: 71610> 65536) в Android Studio

Я пытаюсь использовать FireStore с приложением Flutter в последней версии Android Studio. Я точно следовал этим инструкциям. https://www.youtube.com/watch?v=DqJ_KjFzL9I&list=PLjxrf2q8roU2HdJQDjJzOeO6J3FoFLWr2&index=9 Я даже заставил их работать на прошлой неделе с другим приложением. Теперь я получаю следующую ошибку, когда пытаюсь запустить свое новое приложение после выполнения всех шагов до (и включая) обновления pubspec.yaml. Имейте в виду, что в этом примере я получаю сообщение об ошибке в новом приложении счетчика флаттера без изменений кода, кроме того, что вы видите здесь.

D8: Cannot fit requested classes in a single dex file (# methods: 71610 > 65536)

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
> com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives: C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\2.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\3.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\4.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\5.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\6.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\7.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\8.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\9.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\10.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\11.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\12.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\13.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\14.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\15.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\16.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\17.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\18.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\19.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\20.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\21.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\22.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\23.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\24.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\25.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\26.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\27.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\28.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\29.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\30.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\31.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\32.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\33.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\34.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\35.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\36.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\37.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\38.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\39.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\40.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\41.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\42.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\43.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\44.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\45.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\46.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\47.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\48.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\49.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\50.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\51.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\52.jar, C:\Users\DonBo\AndroidStudioProjects\don_flutter_projects\bakery\bakery\build\app\intermediates\transforms\dexBuilder\debug\53.jar
  The number of method references in a .dex file cannot exceed 64K.
  Learn how to resolve this issue at https://developer.android.com/tools/building/multidex.html

* 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 21s
Finished with error: Gradle task assembleDebug failed with exit code 1

Вот мой файл pubspec

name: bakery
description: A new Flutter application.

# The following defines the version and build number for your application.
# A version number is three numbers separated by dots, like 1.2.43
# followed by an optional build number separated by a +.
# Both the version and the builder number may be overridden in flutter
# build by specifying --build-name and --build-number, respectively.
# In Android, build-name is used as versionName while build-number used as versionCode.
# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
# Read more about iOS versioning at
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
version: 1.0.0+1

environment:
  sdk: ">=2.1.0 <3.0.0"

dependencies:

  cloud_firestore:

  flutter:
    sdk: flutter

  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^0.1.2

dev_dependencies:
  flutter_test:
    sdk: flutter


# For information on the generic Dart part of this file, see the
# following page: https://www.dartlang.org/tools/pub/pubspec

# The following section is specific to Flutter.
flutter:

  # The following line ensures that the Material Icons font is
  # included with your application, so that you can use the icons in
  # the material Icons class.
  uses-material-design: true

  # To add assets to your application, add an assets section, like this:
  # assets:
  #  - images/a_dot_burr.jpeg
  #  - images/a_dot_ham.jpeg

  # An image asset can refer to one or more resolution-specific "variants", see
  # https://flutter.io/assets-and-images/#resolution-aware.

  # For details regarding adding assets from package dependencies, see
  # https://flutter.io/assets-and-images/#from-packages

  # To add custom fonts to your application, add a fonts section here,
  # in this "flutter" section. Each entry in this list should have a
  # "family" key with the font family name, and a "fonts" key with a
  # list giving the asset and other descriptors for the font. For
  # example:
  # fonts:
  #   - family: Schyler
  #     fonts:
  #       - asset: fonts/Schyler-Regular.ttf
  #       - asset: fonts/Schyler-Italic.ttf
  #         style: italic
  #   - family: Trajan Pro
  #     fonts:
  #       - asset: fonts/TrajanPro.ttf
  #       - asset: fonts/TrajanPro_Bold.ttf
  #         weight: 700
  #
  # For details regarding fonts from package dependencies,
  # see https://flutter.io/custom-fonts/#from-packages

Вот файл градала моего уровня приложения

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 from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 28

    lintOptions {
        disable 'InvalidPackage'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.boody.sag.bakery"
        minSdkVersion 16
        targetSdkVersion 28
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }

    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 {
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}

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

Вот мой файл Gradle уровня Android

buildscript {
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.1'
        classpath 'com.google.gms:google-services:3.2.0'
    }
}

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

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

task clean(type: Delete) {
    delete rootProject.buildDir
}
4b9b3361

ОТВЕТЫ

Ответ 1

Включить мультидекс.

Откройте project/app/build.gradle и добавьте следующие строки.

defaultConfig {
    ...

    multiDexEnabled true
}

и

dependencies {
    ...

    implementation 'com.android.support:multidex:1.0.3'
}

Если вы перешли на AndroidX, вам это нужно (совет от Touré Holder):

dependencies {
    ...

    implementation 'androidx.multidex:multidex:2.0.1'
}

Ответ 2

По умолчанию Flutter поддерживает Android SDK v16 (Jelly Bean, выпущенный в 2012 году), но multidex на самом деле не работает с Jelly Bean "из коробки".

A) Изменить минимальный целевой SDK

  1. Откройте android/app/build.gradle, затем найдите строку с надписью minSdkVersion 16.
  2. Измените эту строку на minSdkVersion 21.
  3. Сохраните файл.

Б) Включить мультидекс.

Если вы хотите поддерживать более старые версии Android, вы можете использовать библиотеку поддержки multidex.

  1. Откройте и измените файл project/app/build.gradle, чтобы включить мультидекс, и добавьте мультидексную библиотеку в качестве зависимости, как показано здесь:
android {
    defaultConfig {
        ...
        multiDexEnabled true
    }
    ...
}

dependencies {
  compile 'com.android.support:multidex:1.0.3'
}

Официальный гид здесь

Ответ 3

Добавьте это в android/app/build.gradle:

defaultConfig {
    ...
    multiDexEnabled true
}