Generate jar in android

Generate jar in android

task makeJar(type: Jar) {
        //生成的jar的名称
        getArchiveFileName().set( 'result.jar')
        //需要合并的jar的路径+名称
        from(project.zipTree('build/intermediates/packaged-classes/release/classes.jar'))
        from(project.zipTree('libs/a.jar'))
        from(project.zipTree('libs/b.jar'))
        //输出到的位置
        getDestinationDirectory().set(file('build/lib'))
    }
    makeJar.dependsOn(build)