samples: Port android build to stable android gradle plugin

.gitignore

@@ -54,3 +54,4 @@ backend.native/tests/teamcity-test.property
 
 # Sample output
 samples/**/*.kt.bc-build
+samples/androidNativeActivity/Polyhedron

samples/androidNativeActivity/build.gradle

@@ -1,12 +1,6 @@
 buildscript {
     repositories {
-       jcenter()
+        jcenter()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle-experimental:0.9.2'
-    }
-
-    repositories {
         mavenCentral()
         maven {
             url "https://dl.bintray.com/jetbrains/kotlin-native-dependencies"
@@ -14,81 +8,77 @@ buildscript {
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-native-gradle-plugin:+"
+        classpath "com.android.tools.build:gradle:2.3.3"
     }
 }
 
-allprojects {
+repositories {
-    repositories {
+    jcenter()
-        jcenter()
-    }
 }
 
-apply plugin: "konan"
+apply plugin: 'konan'
+apply plugin: 'com.android.application'
 
-def platforms = ["armeabi-v7a", "arm64-v8a"]
+konan.targets = ['android_arm32', 'android_arm64']
-konan.targets = ["android_arm32", "android_arm64"]
+
+def outDir = file('Polyhedron')
+def libsDir = file("$outDir/libs")
+def platforms = [
+        "armeabi-v7a": [konanTarget: "android_arm32"],
+        "arm64-v8a"  : [konanTarget: "android_arm64"]
+]
 
 konanArtifacts {
     program('Polyhedron') {
-        baseDir 'Polyhedron'
         artifactName 'libpoly'
     }
 }
 
-apply plugin: "com.android.model.application"
+task copyLibs(type: Copy) {
+    dependsOn konanArtifacts.Polyhedron
+    destinationDir libsDir
 
-model {
+    platforms.each { name, platform ->
-    android {
+        into(name) {
-        compileSdkVersion = 25
+            from konanArtifacts.Polyhedron."${platform.konanTarget}".artifact
-        buildToolsVersion = '25.0.2'
-
-        defaultConfig {
-            applicationId = 'com.android.konan_activity'
-            minSdkVersion.apiLevel   9
-            targetSdkVersion.apiLevel  25
-        }
-
-        ndk {
-            moduleName = "polyhedron"
-        }
-
-        productFlavors {
-            create("arm") {
-                ndk {
-                    abiFilters.addAll(platforms)
-                }
-            }
-        }
-    }
-
-    repositories {
-        libs(PrebuiltLibraries) {
-            libpoly {
-                    binaries.withType(SharedLibraryBinary) {
-                        def name = targetPlatform.getName()
-                        def index = platforms.indexOf(name)
-                        if (index >= 0)
-                            sharedLibraryFile = konanArtifacts.Polyhedron."${konan.targets[index]}".artifact
-                    }
-            }
-        }
-    }
-    android.sources {
-        main {
-            jniLibs {
-                dependencies {
-                    library "libpoly" 
-                }
-            }
         }
     }
 }
 
+task deleteOut(type: Delete) {
+    delete outDir
+}
+
+clean.dependsOn deleteOut
+
 tasks.matching { it.name == 'preBuild' }.all {
-    it.dependsOn 'compileKonan'
+    it.dependsOn copyLibs
 }
 
-task buildApk(type: DefaultTask) {
+android {
-    dependsOn "compileKonan"
+    compileSdkVersion 25
-    dependsOn "assembleDebug"
+    buildToolsVersion '25.0.2'
+
+    defaultConfig {
+        applicationId 'com.jetbrains.konan_activity2'
+        minSdkVersion 9
+        targetSdkVersion 25
+
+        ndk {
+            abiFilters "armeabi-v7a", "arm64-v8a"
+        }
+    }
+
+    sourceSets {
+        main {
+            jniLibs.srcDir libsDir
+        }
+    }
+
+}
+
+task buildApk(type: Copy) {
+    dependsOn "assembleDebug"
+    destinationDir outDir
+    from 'build/outputs/apk'
 }