如何在Android的主项目中包含库项目中使用的aar文件 [英] How to include aar files used in library projects in main project in Android

问题描述

我的项目包括一些图书馆项目.库正在使用一些 aar 文件，并且它的依赖已经在模块:gradle 文件中定义.我在将这个库包含在我的项目中时遇到了问题.

如果我在 app->lib 中保留重复的 aar 文件并在 app->gradle 文件中定义它们的依赖项，则没有问题.但这不应该是正确的方法.

请在下面找到错误:

配置项目:app"时出现问题.

无法解析配置:app:_qaDebugCompile"的所有依赖项.找不到 :api-release:.在以下位置搜索:https://jcenter.bintray.com//api-release//api-release-.pomhttps://jcenter.bintray.com//api-release//api-release-.aar文件:/D:/sample/sample-android-app/app/libs/api-release-.aar文件:/D:/sample/sample-android-app/app/libs/api-release.aar要求:sample-android-app:app:unspecified >示例-android-app:misnapworkflow:未指定

请在下面找到项目结构:

示例|-- 应用|-- 错误的工作流程||-- 库|-- api-release.aar

在应用程序 gradle 文件中提到了以下包含项目

<块引用><块引用>

dependencies { compile project(':misnapworkflow') }

请在 misnapworkflow gradle 文件下方找到:

应用插件:'com.android.library'安卓 {compileSdkVersion 23构建工具版本23.0.1"默认配置{minSdk 版本 10目标SDK版本23consumerProguardFiles 'proguard-rules.pro'}lintOptions {abortOnError false}//发布调试和发布库发布非默认为真构建类型{调试{可调试真jniDebuggable 真minifyEnabled false收缩资源错误testCoverageEnabled true}释放 {签名配置signingConfigs.debug可调试假jniDebuggable falseminifyEnabled true收缩资源错误proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'}}}任务授予权限(类型:Exec，dependsOn:'installDebugTest'){logger.warn('授予权限...')命令行adb shell pm grant com.miteksystems.misnap.misnapworkflow.test android.permission.WRITE_EXTERNAL_STORAGE".split(' ')命令行adb shell pm grant com.miteksystems.misnap.misnapworkflow.test android.permission.CAMERA".split(' ')logger.warn('已授予权限.')}tasks.whenTaskAdded { 任务 ->if (task.name.startsWith('connected')||task.name.startsWith('create')) {task.dependsOn 授予权限}}依赖{编译文件树(包括:['*.jar']，目录:'libs')编译'com.android.support:appcompat-v7:23.0.1'//为 MiSnap 外部 API 添加依赖编译(名称:'api-release'，分机:'aar')//为 MiSnap 添加依赖编译(名称:'错误释放'，分机:'aar'){排除模块:'appcompat-v7'}//事件总线依赖编译de.greenrobot:eventbus:2.4.0"//为 Manatee 添加可选的依赖项编译(名称:'海牛释放'，分机:'aar')编译(名称:'cardio-release'，分机:'aar')}存储库{平面目录{目录'库'}}

解决方案

aar 文件 不包含 传递 依赖项，并且没有描述库使用的依赖项的 pom 文件.

这意味着，如果您使用 flatDir 存储库导入 aar 文件您还必须在项目中指定依赖项.

您应该使用 ma​​ven 存储库(您必须在私有或公共 Maven 存储库中发布库)，您将不会遇到相同的问题.
在这种情况下，gradle 使用包含依赖项列表的 pom 文件下载依赖项.

My project is including some library project. Library is using some aar files and its dependecny is already defined in the module: gradle file. I am facing problem in including this library in my project.

If I keep duplicate aar files in app->lib and define their dependency in app->gradle file then there is no problem. But it shouldn't be the right approach.

Please find below the error:

A problem occurred configuring project ':app'.

Could not resolve all dependencies for configuration ':app:_qaDebugCompile'. Could not find :api-release:. Searched in the following locations:
         https://jcenter.bintray.com//api-release//api-release-.pom
         https://jcenter.bintray.com//api-release//api-release-.aar
         file:/D:/sample/sample-android-app/app/libs/api-release-.aar
         file:/D:/sample/sample-android-app/app/libs/api-release.aar
     Required by:
         sample-android-app:app:unspecified > sample-android-app:misnapworkflow:unspecified

please find below the project structure:

sample
|-- app
|-- misnapworkflow
    |
    |-- lib
        |-- api-release.aar

In app gradle file following has been mentioned to include the project

dependencies { compile project(':misnapworkflow') }

Please find below the misnapworkflow gradle file:

apply plugin: 'com.android.library'

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.1"

    defaultConfig {
        minSdkVersion 10
        targetSdkVersion 23
        consumerProguardFiles 'proguard-rules.pro'
    }

    lintOptions {
        abortOnError false
    }

    // Publish both debug and release libraries
    publishNonDefault true

    buildTypes {
        debug {
            debuggable true
            jniDebuggable true
            minifyEnabled false
            shrinkResources false
            testCoverageEnabled true
        }

        release {
            signingConfig signingConfigs.debug
            debuggable false
            jniDebuggable false
            minifyEnabled true
            shrinkResources false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}

task grantPermissions(type: Exec, dependsOn: 'installDebugTest') {
    logger.warn('Granting permissions...')
    commandLine "adb shell pm grant com.miteksystems.misnap.misnapworkflow.test android.permission.WRITE_EXTERNAL_STORAGE".split(' ')
    commandLine "adb shell pm grant com.miteksystems.misnap.misnapworkflow.test android.permission.CAMERA".split(' ')
    logger.warn('Permissions granted.')
}

tasks.whenTaskAdded { task ->
    if (task.name.startsWith('connected')
            || task.name.startsWith('create')) {
        task.dependsOn grantPermissions
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    compile 'com.android.support:appcompat-v7:23.0.1'

    // Add dependency for MiSnap external API
    compile(name: 'api-release', ext: 'aar')

    // Add dependency for MiSnap
    compile(name: 'misnap-release', ext: 'aar') {
        exclude module: 'appcompat-v7'
    }

    // Eventbus dependency
    compile 'de.greenrobot:eventbus:2.4.0'

    // Add OPTIONAL dependency for Manatee
    compile(name: 'manatee-release', ext: 'aar')

    compile(name: 'cardio-release', ext: 'aar')
}

repositories {
    flatDir {
        dirs 'libs'
    }
}

解决方案

The aar file doesn't contain the transitive dependencies and doesn't have a pom file which describes the dependencies used by the library.

It means that, if you are importing a aar file using a flatDir repo you have to specify the dependencies also in your project.

You should use a maven repository (you have to publish the library in a private or public maven repo), you will not have the same issue.
In this case, gradle downloads the dependencies using the pom file which will contains the dependencies list.

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