classpath.gradle

task classpath {
  doLast {
    HashSet<String> classpathFiles = new HashSet<String>()
    for (project in allprojects) {
      if (project.hasProperty('android')) {
        project.android.getBootClasspath().each {
          classpathFiles += it
        }
        if (project.android.hasProperty('applicationVariants')) {
          project.android.applicationVariants.all { variant ->

            def variantBase = variant.baseName.replaceAll("-", File.separator)

            def buildClasses = project.getBuildDir().absolutePath +
              File.separator + "intermediates" +
              File.separator + "classes" +
              File.separator + variantBase

            classpathFiles += buildClasses

            def userClasses = project.getBuildDir().absolutePath +
              File.separator + "intermediates" +
              File.separator + "javac" +
              File.separator + variant.baseName.replaceAll("-", File.separator) +
              File.separator + "compile" + variantBase.capitalize() + "JavaWithJavac" + File.separator + "classes"

            classpathFiles += userClasses

            variant.getCompileClasspath().each {
              classpathFiles += it
            }
          }
        }
      } else {
        // Print the list of all dependencies jar files.
        project.configurations.findAll {
          it.metaClass.respondsTo(it, "isCanBeResolved") ? it.isCanBeResolved() : false
        }.each {
          it.resolve().each {
            if (it.inspect().endsWith("jar")) {
              classpathFiles += it
            } else if (it.inspect().endsWith("aar")) {
              // If the dependency is an AAR file we try to determine the location
              // of the classes.jar file in the exploded aar folder.
              def splitted = it.inspect().split("/")
              def namespace = splitted[-5]
              def name = splitted[-4]
              def version = splitted[-3]
              def explodedPath = "$project.buildDir/intermediates/exploded-aar/$namespace/$name/$version/jars/classes.jar"
              classpathFiles += explodedPath
            }
          }
        }
      }
    }
    def classpath = classpathFiles.join(File.pathSeparator)
    println "CLASSPATH:" + classpath
    println "END CLASSPATH GENERATION"
  }
}