J'essaie d'utiliser Firestore avec une application Flutter dans la dernière version d'Android Studio. J'ai suivi exactement ces instructions. https://www.youtube.com/watch?v=DqJ_KjFzL9I&list=PLjxrf2q8roU2HdJQDjJzOeO6J3FoFLWr2&index=9 Je les ai même fait travailler la semaine dernière avec une application différente. Maintenant, j'obtiens l'erreur suivante lorsque j'essaie d'exécuter ma nouvelle application après avoir terminé toutes les étapes jusqu'à (et y compris) la mise à jour de pubspec.yaml. Gardez à l'esprit que dans cet exemple, j'obtiens l'erreur sur une nouvelle application de compteur de flottement sans autre changement de code que ce que vous voyez ici.
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 }
Voici mon fichier pubspec
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'
Voici mon fichier de niveau d'application
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
Voici mon fichier de niveau Android
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
6 Réponses :
Ajoutez ceci à android/app/build.gradle
:
defaultConfig { ... multiDexEnabled true }
Cela, ainsi que l'augmentation de la minSdkVersion du fichier Gradle au niveau de l'application de 16 à 21, a fonctionné pour moi.
Activez le multidex.
Ouvrez project/app/build.gradle
et ajoutez les lignes suivantes.
dependencies { ... implementation 'androidx.multidex:multidex:2.0.1' }
et
dependencies { ... implementation 'com.android.support:multidex:1.0.3' }
Si vous avez migré vers AndroidX, vous voudrez plutôt ceci (conseil de Touré Holder ):
defaultConfig { ... multiDexEnabled true }
Cela a permis à l'application de s'exécuter. Merci. Je me demande pourquoi je n'ai pas eu à faire cela la semaine dernière. Les instructions de la vidéo étaient tout ce dont j'avais besoin à ce moment-là.
Parce que votre projet cette semaine était plus grand?
Si vous avez migré vers AndroidX, vous souhaiterez l' implementation 'androidx.multidex:multidex:2.0.1'
@Ammar Atef: merci pour la réponse. Cela a fonctionné pour moi aussi.
J'ai ajouté "multiDexEnabled true" et cela a fonctionné pour moi :). Merci
Cela aide ... Merci
Par défaut, Flutter prend en charge Android SDK v16 (Jelly Bean, sorti en 2012), mais le multidex ne fonctionne pas vraiment avec Jelly Bean prêt à l'emploi.
A) Modifier le SDK cible minimum
android/app/build.gradle
, puis recherchez la ligne qui dit minSdkVersion 16
.minSdkVersion 21
.B) Activez le multidex.
Si vous souhaitez prendre en charge les anciennes versions d'Android, vous pouvez utiliser la bibliothèque de support multidex.
project/app/build.gradle
pour activer le multidex et ajoutez la bibliothèque multidex en tant que dépendance, comme indiqué ici:android { defaultConfig { ... multiDexEnabled true } ... } dependencies { implementation 'com.android.support:multidex:1.0.3' }
J'ai eu la même erreur, donc j'ai augmenté la minSdkVersion du fichier Gradle au niveau de l'application de 16 à 21. Maintenant, cela fonctionne bien.
Il est facile d'augmenter simplement cette minSdkVersion, targetSdkVersion:
Vieux:
defaultConfig {minSdkVersion 19 targetSdkVersion 28 versionCode flutterVersionCode.toInteger () versionName flutterVersionName}
Nouveau:
defaultConfig {minSdkVersion 21 targetSdkVersion 29 versionCode flutterVersionCode.toInteger () versionName flutterVersionName}
également cette compileSdkVersion:
Vieux:
android {compileSdkVersion 28
Nouveau:
android {compileSdkVersion 29
Dans le dossier
android / app / build.gradle
changer la minSdkVersion en 21
android { defaultConfig { ... minSdkVersion 21 targetSdkVersion 28 multiDexEnabled true } ... }