Ошибка с флаттером и Android gradle: не удалось выполнить задачу ':app:checkDebugDuplateClasses' ⇐ Android

[Anonymous]

Я внедрил flutterDownloader (это пакет для загрузки файлов во flutter) в свой проект, и когда я добавляю его в манифест Android, как сказано в документе, и когда я это делаю, градиент показывает эту ошибку
**ошибка: **

Код: Выделить всё

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:checkDebugDuplicateClasses'.
> 1 exception was raised by workers:
java.lang.RuntimeException: Duplicate class com.google.common.util.concurrent.ListenableFuture found in modules guava-26.0-android.jar (com.google.guava:guava:26.0-android) and listenablefuture-1.0.jar (com.google.guava:listenablefuture:1.0)

Go to the documentation to learn how to [url=d.android.com/r/tools/classpath-sync-errors]Fix dependency resolution errors[/url].

* 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 3m 15s
Exception: Gradle task assembleDebug failed with exit code 1

мой манифест Android->
Манифест Android:

Код: Выделить всё

android:name="vn.hunghd.flutterdownloader.DownloadedFileProvider"
android:authorities="${applicationId}.flutter_downloader.provider"
android:exported="false"
android:grantUriPermissions="true">

bulid.gradle:app

Код: Выделить всё

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

android {
compileSdkVersion 29

lintOptions {
disable 'InvalidPackage'
}

defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId "com.kivoc99.mscmu"
minSdkVersion 21
targetSdkVersion 29
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
multiDexEnabled true
}

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

сборка gradle:android

Код: Выделить всё

buildscript {
repositories {
google()
jcenter()
}

dependencies {
classpath 'com.android.tools.build:gradle:3.5.0'
classpath 'com.google.gms:google-services:4.3.4'
}
}

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
}

В чем здесь проблема? Я пытался сделать именно то, что написано в документации, поможете?

Подробнее здесь: https://stackoverflow.com/questions/642 ... pcheckdebu