Running Gradle task 'assembleDebug'

#有两个地方要修改：

1 android/build.gradle

buildscript {

ext.kotlin_version = '1.3.50'

repositories {

//google()

//jcenter()

maven { url 'https://maven.aliyun.com/repository/google' }

maven { url 'https://maven.aliyun.com/repository/jcenter' }

maven { url 'http://maven.aliyun.com/nexus/content/groups/public' }

maven {url 'http://download.flutter.io'}

}

dependencies {

classpath 'com.android.tools.build:gradle:3.5.0'

classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

}

}

allprojects {

repositories {

//google()

//jcenter()

maven { url 'https://maven.aliyun.com/repository/google' }

maven { url 'https://maven.aliyun.com/repository/jcenter' }

maven { url 'http://maven.aliyun.com/nexus/content/groups/public' }

maven {url 'http://download.flutter.io'}

}

}

rootProject.buildDir = '../build'

subprojects {

project.buildDir = "${rootProject.buildDir}/${project.name}"

}

subprojects {

project.evaluationDependsOn(':app')

}

task clean(type: Delete) {

delete rootProject.buildDir

}

2 android/gradle/wrapper/gradle-wrapper.properties

#Fri Jun 23 08:50:38 CEST 2017

distributionBase=GRADLE_USER_HOME

distributionPath=wrapper/dists

zipStoreBase=GRADLE_USER_HOME

zipStorePath=wrapper/dists

distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.1-all.zip