Update android-sdk dependency management. Add Emulator

buildSrc/src/main/kotlin/tasks.kt

@@ -154,6 +154,10 @@ object TaskUtils {
     fun useAndroidJar(task: Task) {
         task.useAndroidConfiguration(systemPropertyName = "android.jar", configName = "androidJar")
     }
+
+    fun useAndroidEmulator(task: Task) {
+        task.useAndroidConfiguration(systemPropertyName = "android.sdk", configName = "androidEmulator")
+    }
 }
 
 private fun Task.useAndroidConfiguration(systemPropertyName: String, configName: String) {

dependencies/android-sdk/build.gradle.kts

@@ -13,14 +13,24 @@ repositories {
             artifact()
         }
     }
+    ivy {
+        url = URI("https://dl.google.com/android/repository/sys-img/android")
+        patternLayout {
+            artifact("[artifact]-[revision](_[classifier]).[ext]")
+        }
+        metadataSources {
+            artifact()
+        }
+    }
 }
 
 val androidSdk by configurations.creating
 val androidJar by configurations.creating
 val androidPlatform by configurations.creating
 val buildTools by configurations.creating
+val androidEmulator by configurations.creating
 
-val libsDestDir = File(buildDir, "libs")
+val libsDestDir = File(buildDir, "androidSdk/platforms/android-26")
 val sdkDestDir = File(buildDir, "androidSdk")
 
 val toolsOs = when {
@@ -33,13 +43,34 @@ val toolsOs = when {
     }
 }
 
+val toolsOsDarwin = when {
+    OperatingSystem.current().isWindows -> "windows"
+    OperatingSystem.current().isMacOsX -> "darwin"
+    OperatingSystem.current().isLinux -> "linux"
+    else -> {
+        logger.error("Unknown operating system for android tools: ${OperatingSystem.current().name}")
+        ""
+    }
+}
+
+val preparePlatform by task<DefaultTask> {
+    doLast {}
+}
+
 val prepareSdk by task<DefaultTask> {
     doLast {}
+    dependsOn(preparePlatform)
+}
+
+val prepareEmulator by task<DefaultTask> {
+    doLast {}
+    dependsOn(prepareSdk)
 }
 
 fun unzipSdkTask(
     sdkName: String, sdkVer: String, destinationSubdir: String, coordinatesSuffix: String,
     additionalConfig: Configuration? = null, dirLevelsToSkipOnUnzip: Int = 0, ext: String = "zip",
+    prepareTask: TaskProvider<DefaultTask> = prepareSdk,
     unzipFilter: CopySpec.() -> Unit = {}
 ): Task {
     val id = "${sdkName}_$sdkVer"
@@ -72,7 +103,7 @@ fun unzipSdkTask(
             }
         }
     }
-    prepareSdk.configure {
+    prepareTask.configure {
         dependsOn(unzipTask)
     }
 
@@ -83,35 +114,30 @@ fun unzipSdkTask(
     return unzipTask
 }
 
-unzipSdkTask("platform", "26_r02", "platforms/android-26", "", androidPlatform, 1)
+unzipSdkTask("platform", "26_r02", "platforms/android-26", "", androidPlatform, 1, prepareTask = preparePlatform)
 unzipSdkTask("android_m2repository", "r44", "extras/android", "")
-unzipSdkTask("platform-tools", "r25.0.3", "", toolsOs)
-unzipSdkTask("tools", "r24.3.4", "", toolsOs)
+unzipSdkTask("platform-tools", "r28.0.1", "", toolsOsDarwin)
+unzipSdkTask("sdk-tools-$toolsOsDarwin", "4333796"/*26.1.1*/, "", "")
 unzipSdkTask("build-tools", "r23.0.1", "build-tools/23.0.1", toolsOs, buildTools, 1)
-unzipSdkTask("build-tools", "r28.0.2", "build-tools/28.0.2", toolsOs, buildTools, 1)
-
+unzipSdkTask("build-tools", "r28.0.3", "build-tools/28.0.3", toolsOs, buildTools, 1)
+unzipSdkTask("emulator-$toolsOsDarwin", "5264690", "", "", prepareTask = prepareEmulator)
+unzipSdkTask("armeabi-v7a", "19", "system-images/android-19/default","r05", prepareTask = prepareEmulator)
+if (!kotlinBuildProperties.isTeamcityBuild) {
+    unzipSdkTask("x86", "19", "system-images/android-19/default", "r06", prepareTask = prepareEmulator)
+}
 
 val clean by task<Delete> {
     delete(buildDir)
 }
 
-val extractAndroidJar by tasks.registering {
-    dependsOn(androidPlatform)
-    inputs.files(androidPlatform)
-    val targetFile = File(libsDestDir, "android.jar")
-    outputs.files(targetFile)
-    doFirst {
-        project.copy {
-            from(zipTree(androidPlatform.singleFile).matching { include("**/android.jar") }.files.first())
-            into(libsDestDir)
-        }
-    }
-}
-
 artifacts.add(androidSdk.name, file("$sdkDestDir")) {
     builtBy(prepareSdk)
 }
 
 artifacts.add(androidJar.name, file("$libsDestDir/android.jar")) {
-    builtBy(extractAndroidJar)
+    builtBy(preparePlatform)
 }
+
+artifacts.add(androidEmulator.name, file("$sdkDestDir")) {
+    builtBy(prepareEmulator)
+}