Android Library Gradle发布JAR _Android

少年恃险若平地，独倚长剑凌清秋。这篇文章主要讲述Android Library Gradle发布JAR相关的知识，希望能为你提供帮助。
我怎样才能发布android-library项目的Jar包装？我发现，classes.jar位于build/bundles/release/classes.jar下，我想这是正确的Jar包（包含*.class文件）。
是否有一些官方的方式，将库作为??JAR而不是AAR发布？
编辑我使用Gradle来发布Maven工件，我想发布JAR和AAR包。所以带有签名的JAR，md5，manifest，...... 基于https://chris.banes.me/2013/08/27/pushing-aars-to-maven-central/

apply plugin: 'maven' apply plugin: 'signing'configurations { archives { extendsFrom configurations.default } }def sonatypeRepositoryUrl if (isReleaseBuild()) { println 'RELEASE BUILD' sonatypeRepositoryUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2/" } else { println 'DEBUG BUILD' sonatypeRepositoryUrl = "https://oss.sonatype.org/content/repositories/snapshots/" }if(!hasProperty('nexusPassword')) { ext.set('nexusPassword', System.console().readPassword(" $ Type in password for Sonatype nexus account " + nexusUsername + ": ")) }if(!signing.hasProperty('password')) { ext.set('signing.password', System.console().readPassword(" $ Type in GPG key password: ")) }afterEvaluate { project -> uploadArchives { repositories { mavenDeployer { beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }pom.artifactId = POM_ARTIFACT_IDrepository(url: sonatypeRepositoryUrl) { authentication(userName: nexusUsername, password: nexusPassword) }pom.project { name POM_NAME packaging POM_PACKAGING description POM_DESCRIPTION url POM_URLscm { url POM_SCM_URL connection POM_SCM_CONNECTION developerConnection POM_SCM_DEV_CONNECTION }licenses { license { name POM_LICENCE_NAME url POM_LICENCE_URL distribution POM_LICENCE_DIST } }developers { developer { id "loopj" name "James Smith" } developer { id "smarek" name "Marek Sebera" } } } } } }signing { required { isReleaseBuild() & & gradle.taskGraph.hasTask("uploadArchives") } sign configurations.archives }task androidjavadocs(type: Javadoc) { source = android.sourceSets.main.java.srcDirs }task androidJavadocsJar(type: Jar) { classifier = 'javadoc' from androidJavadocs.destinationDir }task androidSourcesJar(type: Jar) { classifier = 'sources' from android.sourceSets.main.java.srcDirs }artifacts { archives androidSourcesJar archives androidJavadocsJar } }

运用

task androidJar(type: Jar) { from android.sourceSets.main.java.srcDirs }

将只打包java文件，而不是编译和链接Android sdk
答案虽然我没有尝试将部署的工件上传到Sonatype（甚至是本地存储库），但是在尝试解决同样的问题时，我设法提出了a few weeks ago。

android.libraryVariants.all { variant -> def name = variant.buildType.name if (name.equals(com.android.builder.core.BuilderConstants.DEBUG)) { return; // Skip debug builds. } def task = project.tasks.create "jar${name.capitalize()}", Jar task.dependsOn variant.javaCompile task.from variant.javaCompile.destinationDir artifacts.add('archives', task); }

然后运行以下命令：

./gradlew jarRelease

另一答案通过gradle从库项目生成jar的另一种方法如下：
在您的库的build.gradle中：

def jarName = 'someJarName.jar'task clearJar(type: Delete) { delete "${project.buildDir}/libs/" + jarName }task makeJar(type: Copy) { from("${project.buildDir}/intermediates/bundles/release/") into("${project.buildDir}/libs/") include('classes.jar') rename('classes.jar', jarName) }makeJar.dependsOn(clearJar, build)

我们在这里做的只是复制Android Gradle插件生成的classes.jar。请务必查看此文件的构建目录，并查看其内容是否符合您的要求。
然后运行makeJar任务，生成的jar将在library / build / libs / ${jarName}.jar中
将根据您的配置发布类文件。如果你对它进行模糊处理，那么jar中的文件将被混淆。
另一答案仅仅因为之前的答案不符合我的需求，我分享了我的棘手版本，以生成一个包含项目类和aar / jar依赖项的jar。

// A tricky jar operation, we want to generate a jar files that contains only the required classes used. // Dependencies are in jar and aar, so we need to open the aar to extract the classes and put all at the same level // (aar is a zip that contains classes.jar, the latter is a zip that contains .class files) task jar(type: Jar) { from { List< File> allFiles = new ArrayList< > (); configurations.compile.collect { for (File f : zipTree(it).getFiles()) { if (f.getName().equals("classes.jar")) { allFiles.addAll(zipTree(f).getAt("asFileTrees").get(0).getDir()) } } } allFiles.add(new File('build/intermediates/classes/release')) allFiles // To return the result inside a lambda } archiveName( project.ext.appName + '.jar' ) }

这不管理构建类型/风格，但可以进行调整（只需构建类型的版本，没有风味）。
【Android Library Gradle发布JAR】如果您拥有更智能或更优雅的解决方案，请分享！