3 files changed, 134 insertions, 0 deletions
diff --git a/runners/android-gradle-plugin/build.gradle b/runners/android-gradle-plugin/build.gradle
new file mode 100644
index 00000000..dd6f2e3d
--- /dev/null
+++ b/runners/android-gradle-plugin/build.gradle
@@ -0,0 +1,57 @@
+apply plugin: 'java'
+
+sourceCompatibility = 1.6
+
+task wrapper(type: Wrapper) {
+    gradleVersion = '2.5'
+    distributionUrl = "https://services.gradle.org/distributions/gradle-$gradleVersion-all.zip"
+}
+
+apply plugin: 'com.github.johnrengelman.shadow'
+
+configurations {
+    provided
+}
+
+tasks.withType(AbstractCompile) {
+    classpath += configurations.provided
+    classpath += configurations.shadow
+}
+
+dependencies {
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+    shadow project(':runners:fatjar')
+    shadow project(':runners:gradle-plugin')
+
+    provided gradleApi()
+    provided localGroovy()
+
+    shadow 'com.android.tools.build:gradle:2.0.0'
+}
+
+task sourceJar(type: Jar) {
+    from sourceSets.main.allSource
+}
+
+shadowJar {
+    baseName = 'dokka-android-gradle-plugin'
+    classifier = ''
+    relocate('kotlin.', 'dokkakotlin.')
+}
+
+apply plugin: 'maven-publish'
+
+publishing {
+    publications {
+        dokkaAndroidGradlePlugin(MavenPublication) {
+            from components.shadow
+            artifactId = 'dokka-android-gradle-plugin'
+
+            artifact sourceJar {
+                classifier "sources"
+            }
+        }
+    }
+}
+
+bintrayPublication(project, ['dokkaAndroidGradlePlugin'])
+\ No newline at end of file
diff --git a/runners/android-gradle-plugin/src/main/kotlin/main.kt b/runners/android-gradle-plugin/src/main/kotlin/main.kt
new file mode 100644
index 00000000..054ed358
--- /dev/null
+++ b/runners/android-gradle-plugin/src/main/kotlin/main.kt
@@ -0,0 +1,76 @@
+package org.jetbrains.dokka.gradle
+
+import com.android.build.gradle.AppExtension
+import com.android.build.gradle.LibraryExtension
+import com.android.build.gradle.api.BaseVariant
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.api.tasks.SourceSet
+import java.io.File
+
+open class DokkaAndroidPlugin : Plugin<Project> {
+    val allVariantsClassPath = mutableSetOf<File>()
+
+    override fun apply(project: Project) {
+        project.tasks.create("dokka", DokkaAndroidTask::class.java).apply {
+            moduleName = project.name
+            outputDirectory = File(project.buildDir, "dokka").absolutePath
+        }
+
+        if (project.hasAndroidPlugin()) {
+            project.afterEvaluate {
+                collectClasspath(project)
+            }
+        }
+        else {
+            project.plugins.whenPluginAdded {
+                if (project.hasAndroidPlugin()) {
+                    collectClasspath(project)
+                }
+            }
+        }
+    }
+
+    private fun collectClasspath(project: Project) {
+        val variants = project.collectAllVariants()
+        variants.flatMapTo(allVariantsClassPath) { it.javaCompiler.classpath.files }
+    }
+}
+
+open class DokkaAndroidTask : DokkaTask() {
+    override val sdkProvider: SdkProvider? = AndroidSdkProvider(project)
+}
+
+private fun Project.hasAndroidPlugin() = plugins.hasPlugin("com.android.library") || plugins.hasPlugin("com.android.application")
+
+private fun Project.findDokkaAndroidPlugin() = plugins.findPlugin(DokkaAndroidPlugin::class.java)
+
+private fun Project.collectAllVariants(): Collection<BaseVariant> {
+    extensions.findByType(LibraryExtension::class.java)?.let {
+        return it.libraryVariants
+    }
+    extensions.findByType(AppExtension::class.java)?.let {
+        return it.applicationVariants
+    }
+    return emptyList()
+}
+
+private class AndroidSdkProvider(private val project: Project) : SdkProvider {
+    private val ext by lazy {
+        project.extensions.findByType(LibraryExtension::class.java) ?: project.extensions.findByType(AppExtension::class.java)
+    }
+
+    override val name: String = "android"
+
+    override val isValid: Boolean
+        get() = project.hasAndroidPlugin()
+
+    override val classpath: List<File>
+        get() = ext.bootClasspath + (project.findDokkaAndroidPlugin()?.allVariantsClassPath ?: emptyList<File>())
+
+    override val sourceDirs: Set<File>?
+        get() {
+            val sourceSet = ext?.sourceSets?.findByName(SourceSet.MAIN_SOURCE_SET_NAME)
+            return sourceSet?.java?.srcDirs
+        }
+}
diff --git a/runners/android-gradle-plugin/src/main/resources/META-INF/gradle-plugins/org.jetbrains.dokka-android.properties b/runners/android-gradle-plugin/src/main/resources/META-INF/gradle-plugins/org.jetbrains.dokka-android.properties
new file mode 100644
index 00000000..03b28d93
--- /dev/null
+++ b/runners/android-gradle-plugin/src/main/resources/META-INF/gradle-plugins/org.jetbrains.dokka-android.properties
@@ -0,0 +1 @@
+implementation-class=org.jetbrains.dokka.gradle.DokkaAndroidPlugin
+\ No newline at end of file