Question

我一直在寻找答案，但是我找不到我的带有commons-io依赖的build.gradle无法正常工作的原因。我目前正在关注本教程：https://guides.codepath.com/android/Basic-Todo-App-Tutorial，并在build.gradle模块文件的dependencies部分中添加行implementation 'org.apache.commons:commons-io:1.3.2'给我一个错误：

Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve org.apache.commons:commons-io:1.3.2.
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Unable to resolve dependency for ':app@debugAndroidTest/compileClasspath': Could not resolve org.apache.commons:commons-io:1.3.2.
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Unable to resolve dependency for ':app@debugUnitTest/compileClasspath': Could not resolve org.apache.commons:commons-io:1.3.2.
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Unable to resolve dependency for ':app@release/compileClasspath': Could not resolve org.apache.commons:commons-io:1.3.2.
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Unable to resolve dependency for ':app@releaseUnitTest/compileClasspath': Could not resolve org.apache.commons:commons-io:1.3.2.
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我也尝试过将实现的版本从2.1-2.6更改，但这也不起作用。从其他线程来看，也有帖子说要使用commons-io：commons-io：（version），但仍然会弹出相同的错误。我还尝试将mavenCentral()调用添加到存储库方法中的两个build.gradle文件中，但它仍然显示相同的错误。

这是我的构建gradle文件。

构建gradle（项目）

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

    repositories {
        google()
        jcenter()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.2'


        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

repositories{

    mavenCentral()
}

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

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

构建gradle（模块）

apply plugin: 'com.android.application'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.example.test.testing"
        minSdkVersion 15
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}


dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
    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'
    implementation 'org.apache.commons:commons-io:1.3.2'
}

Answer 1

找到答案。问题是我在Android Studio中启用了离线工作。

要禁用此功能，我执行了以下操作：

File->Settings->Build,Execution,Deployment->gradle->untick box that says offline work

common.io库的相关性错误

1 个答案: