Introduce MPP wizard for mobile (Android / iOS) applications

This mobile wizard already contains skeleton
Finally #KT-25952 Fixed
Also #KT-26786 Fixed

idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinGradleAbstractMultiplatformModuleBuilder.kt

@@ -22,7 +22,9 @@ import org.jetbrains.plugins.gradle.service.project.wizard.GradleModuleBuilder
 import org.jetbrains.plugins.gradle.service.settings.GradleProjectSettingsControl
 import javax.swing.Icon
 
-abstract class KotlinGradleAbstractMultiplatformModuleBuilder : GradleModuleBuilder() {
+abstract class KotlinGradleAbstractMultiplatformModuleBuilder(
+    val mppInApplication: Boolean = false
+) : GradleModuleBuilder() {
     override fun getNodeIcon(): Icon = KotlinIcons.MPP
 
     override fun createWizardSteps(wizardContext: WizardContext, modulesProvider: ModulesProvider): Array<ModuleWizardStep> {
@@ -33,6 +35,16 @@ abstract class KotlinGradleAbstractMultiplatformModuleBuilder : GradleModuleBuil
         )
     }
 
+    private fun setupMppModule(module: Module, parentDir: VirtualFile): VirtualFile? {
+        val moduleDir = parentDir.createChildDirectory(this, "app")
+        val buildGradle = moduleDir.createChildData(null, "build.gradle")
+        val builder = BuildScriptDataBuilder(buildGradle)
+        builder.setupAdditionalDependenciesForApplication()
+        GradleKotlinMPPFrameworkSupportProvider().addSupport(builder, module, sdk = null, specifyPluginVersionIfNeeded = true)
+        VfsUtil.saveText(buildGradle, builder.buildConfigurationPart() + builder.buildMainPart() + buildMultiPlatformPart())
+        return moduleDir
+    }
+
     override fun setupModule(module: Module) {
         try {
             module.gradleModuleBuilder = this
@@ -40,9 +52,23 @@ abstract class KotlinGradleAbstractMultiplatformModuleBuilder : GradleModuleBuil
 
             val rootDir = module.rootManager.contentRoots.firstOrNull() ?: return
             val buildGradle = rootDir.findOrCreateChildData(null, "build.gradle")
+            if (mppInApplication) {
+                setupMppModule(module, rootDir)
+            }
             val builder = BuildScriptDataBuilder(buildGradle)
-            GradleKotlinMPPFrameworkSupportProvider().addSupport(builder, module, sdk = null, specifyPluginVersionIfNeeded = true)
+            builder.setupAdditionalDependencies()
-            VfsUtil.saveText(buildGradle, builder.buildConfigurationPart() + builder.buildMainPart() + buildMultiPlatformPart())
+            val buildGradleText = if (!mppInApplication) {
+                GradleKotlinMPPFrameworkSupportProvider().addSupport(builder, module, sdk = null, specifyPluginVersionIfNeeded = true)
+                builder.buildConfigurationPart() + builder.buildMainPart() + buildMultiPlatformPart()
+            } else {
+                builder.buildConfigurationPart() + builder.buildMainPart()
+            }
+            VfsUtil.saveText(buildGradle, buildGradleText)
+            if (mppInApplication) {
+                updateSettingsScript(module) {
+                    it.addIncludedModules(listOf(":app"))
+                }
+            }
             createProjectSkeleton(module, rootDir)
 
             if (notImportedCommonSourceSets) GradlePropertiesFileFacade.forProject(module.project).addNotImportedCommonSourceSetsProperty()
@@ -53,12 +79,21 @@ abstract class KotlinGradleAbstractMultiplatformModuleBuilder : GradleModuleBuil
 
     protected abstract fun buildMultiPlatformPart(): String
 
-    protected fun VirtualFile.createKotlinSampleFileWriter(sourceRootName: String, fileName: String = "Sample.kt") =
+    protected open fun BuildScriptDataBuilder.setupAdditionalDependencies() {}
-        createChildDirectory(this, sourceRootName)
+
-            .createChildDirectory(this, "kotlin")
+    protected open fun BuildScriptDataBuilder.setupAdditionalDependenciesForApplication() {}
-            .createChildDirectory(this, "sample")
+
-            .createChildData(this, fileName)
+    protected fun VirtualFile.bufferedWriter() = getOutputStream(this).bufferedWriter()
-            .getOutputStream(this).bufferedWriter()
+
+    protected fun VirtualFile.createKotlinSampleFileWriter(
+        sourceRootName: String,
+        languageName: String = "kotlin",
+        fileName: String = "Sample.kt"
+    ) = createChildDirectory(this, sourceRootName)
+        .createChildDirectory(this, languageName)
+        .createChildDirectory(this, "sample")
+        .createChildData(this, fileName)
+        .bufferedWriter()
 
     protected open fun createProjectSkeleton(module: Module, rootDir: VirtualFile) {}
 

idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinGradleMobileMultiplatformModuleBuilder.kt

@@ -0,0 +1,357 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.configuration
+
+import com.intellij.openapi.module.Module
+import com.intellij.openapi.vfs.VirtualFile
+import org.jetbrains.plugins.gradle.frameworkSupport.BuildScriptDataBuilder
+import java.io.BufferedWriter
+
+class KotlinGradleMobileMultiplatformModuleBuilder :
+    KotlinGradleAbstractMultiplatformModuleBuilder(mppInApplication = true) {
+
+    private val commonName: String = "common"
+    private var jvmTargetName: String = "android"
+    private var nativeTargetName: String = "ios"
+    private val androidAppName = "app"
+
+    private val commonSourceName get() = "$commonName$productionSuffix"
+    private val commonTestName get() = "$commonName$testSuffix"
+    private val jvmSourceName get() = "$jvmTargetName$productionSuffix"
+    private val jvmTestName get() = "$jvmTargetName$testSuffix"
+    private val nativeSourceName get() = "$nativeTargetName$productionSuffix"
+    private val nativeTestName get() = "$nativeTargetName$testSuffix"
+    private val mainSourceName get() = productionSuffix.toLowerCase()
+    private val mainTestName get() = testSuffix.toLowerCase()
+
+    override fun getBuilderId() = "kotlin.gradle.multiplatform.mobile"
+
+    override fun getPresentableName() = "Kotlin (Mobile Android/iOS)"
+
+    override fun getDescription() =
+        "Multiplatform Gradle projects allow reusing the same Kotlin code between Android and iOS mobile platforms."
+
+    override fun BuildScriptDataBuilder.setupAdditionalDependencies() {
+        addBuildscriptDependencyNotation("classpath 'com.android.tools.build:gradle:3.2.0'")
+        addBuildscriptRepositoriesDefinition("google()")
+        addBuildscriptRepositoriesDefinition("jcenter()")
+        addRepositoriesDefinition("google()")
+        addRepositoriesDefinition("jcenter()")
+    }
+
+    override fun BuildScriptDataBuilder.setupAdditionalDependenciesForApplication() {
+        addRepositoriesDefinition("google()")
+        addRepositoriesDefinition("jcenter()")
+    }
+
+    override fun createProjectSkeleton(module: Module, rootDir: VirtualFile) {
+        val appDir = rootDir.findChild(androidAppName)!!
+        val src = appDir.createChildDirectory(this, "src")
+
+        val commonMain = src.createKotlinSampleFileWriter(commonSourceName)
+        val commonTest = src.createKotlinSampleFileWriter(commonTestName, fileName = "SampleTests.kt")
+        val androidMain = src.createKotlinSampleFileWriter(mainSourceName, languageName = "java")
+        val androidTest = src.createKotlinSampleFileWriter(mainTestName, languageName = "java", fileName = "SampleTestsAndroid.kt")
+
+        val androidLocalProperties = rootDir.createChildData(this, "local.properties").bufferedWriter()
+        val androidRoot = src.findChild(mainSourceName)!!
+        val androidManifest = androidRoot.createChildData(this, "AndroidManifest.xml").bufferedWriter()
+        val androidResources = androidRoot.createChildDirectory(this, "res")
+        val androidValues = androidResources.createChildDirectory(this, "values")
+        val androidLayout = androidResources.createChildDirectory(this, "layout")
+        val androidStrings = androidValues.createChildData(this, "strings.xml").bufferedWriter()
+        val androidStyles = androidValues.createChildData(this, "styles.xml").bufferedWriter()
+        val androidActivityMain = androidLayout.createChildData(this, "activity_main.xml").bufferedWriter()
+
+        val nativeMain = src.createKotlinSampleFileWriter(nativeSourceName)
+        val nativeTest = src.createKotlinSampleFileWriter(nativeTestName, fileName = "SampleTestsIOS.kt")
+
+        try {
+            commonMain.write(
+                """
+                package sample
+
+                expect class Sample() {
+                    fun checkMe(): Int
+                }
+
+                expect object Platform {
+                    val name: String
+                }
+
+                fun hello(): String = "Hello from ${"$"}{Platform.name}"
+
+                fun main(args: Array<String>) {
+                    println(hello())
+                }
+            """.trimIndent()
+            )
+
+            androidMain.write(
+                """
+                package sample
+
+                import android.support.v7.app.AppCompatActivity
+                import android.os.Bundle
+
+                actual class Sample {
+                    actual fun checkMe() = 44
+                }
+
+                actual object Platform {
+                    actual val name: String = "Android"
+                }
+
+                class MainActivity : AppCompatActivity() {
+
+                    override fun onCreate(savedInstanceState: Bundle?) {
+                        super.onCreate(savedInstanceState)
+                        hello()
+                        Sample().checkMe()
+                        setContentView(R.layout.activity_main)
+                    }
+                }
+            """.trimIndent()
+            )
+
+            nativeMain.write(
+                """
+                package sample
+
+                actual class Sample {
+                    actual fun checkMe() = 7
+                }
+
+                actual object Platform {
+                    actual val name: String = "iOS"
+                }
+            """.trimIndent()
+            )
+
+            commonTest.write(
+                """
+                package sample
+
+                import kotlin.test.Test
+                import kotlin.test.assertTrue
+
+                class SampleTests {
+                    @Test
+                    fun testMe() {
+                        assertTrue(Sample().checkMe() > 0)
+                    }
+                }
+            """.trimIndent()
+            )
+
+            androidTest.write(
+                """
+                package sample
+
+                import kotlin.test.Test
+                import kotlin.test.assertTrue
+
+                class SampleTestsAndroid {
+                    @Test
+                    fun testHello() {
+                        assertTrue("Android" in hello())
+                    }
+                }
+            """.trimIndent()
+            )
+
+            nativeTest.write(
+                """
+                package sample
+
+                import kotlin.test.Test
+                import kotlin.test.assertTrue
+
+                class SampleTestsIOS {
+                    @Test
+                    fun testHello() {
+                        assertTrue("iOS" in hello())
+                    }
+                }
+            """.trimIndent()
+            )
+
+            androidLocalProperties.write(
+                """
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+sdk.dir=PleaseSpecifyAndroidSdkPathHere
+            """.trimIndent()
+            )
+
+            androidManifest.write(
+                """
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="sample">
+
+    <application
+            android:allowBackup="true"
+            android:label="@string/app_name"
+            android:supportsRtl="true"
+            android:theme="@style/AppTheme">
+        <activity android:name="sample.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
+            """.trimIndent()
+            )
+
+            androidStrings.write(
+                """
+<resources>
+    <string name="app_name">android-app</string>
+</resources>
+            """.trimIndent()
+            )
+
+            androidStyles.write(
+                """
+<resources>
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
+            """.trimIndent()
+            )
+
+            androidActivityMain.write(
+                """
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</android.support.constraint.ConstraintLayout>
+            """.trimIndent()
+            )
+        } finally {
+            listOf(
+                commonMain, commonTest, androidMain, androidTest, nativeMain, nativeTest,
+                androidLocalProperties, androidManifest, androidStrings, androidStyles, androidActivityMain
+            ).forEach(BufferedWriter::close)
+        }
+    }
+
+
+    override fun buildMultiPlatformPart(): String {
+        return """
+            apply plugin: 'com.android.application'
+            apply plugin: 'kotlin-android-extensions'
+
+            android {
+                compileSdkVersion 28
+                defaultConfig {
+                    applicationId "org.jetbrains.kotlin.mpp_app_android"
+                    minSdkVersion 15
+                    targetSdkVersion 28
+                    versionCode 1
+                    versionName "1.0"
+                    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+                }
+                buildTypes {
+                    release {
+                        minifyEnabled false
+                    }
+                }
+            }
+
+            dependencies {
+                implementation fileTree(dir: 'libs', include: ['*.jar'])
+                implementation 'com.android.support:appcompat-v7:28.0.0'
+                implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+                androidTestImplementation 'com.android.support.test:runner:1.0.2'
+            }
+
+            kotlin {
+                targets {
+                    // For ARM, preset should be changed to presets.android_arm32 or presets.android_arm64
+                    fromPreset(presets.android, '$jvmTargetName')
+                    // For ARM, preset should be changed to presets.iosArm32 or presets.iosArm64
+                    fromPreset(presets.iosX64, '$nativeTargetName')
+                }
+                sourceSets {
+                    $commonSourceName {
+                        dependencies {
+                            implementation 'org.jetbrains.kotlin:kotlin-stdlib-common'
+                        }
+                    }
+                    $commonTestName {
+                        dependencies {
+                    		implementation 'org.jetbrains.kotlin:kotlin-test-common'
+                    		implementation 'org.jetbrains.kotlin:kotlin-test-annotations-common'
+                        }
+                    }
+                    $jvmSourceName {
+                        dependencies {
+                            implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
+                        }
+                    }
+                    $jvmTestName {
+                        dependencies {
+                            implementation 'org.jetbrains.kotlin:kotlin-test'
+                            implementation 'org.jetbrains.kotlin:kotlin-test-junit'
+                        }
+                    }
+                    $nativeSourceName {
+                    }
+                    $nativeTestName {
+                    }
+                }
+            }
+
+            // Please set configuration.build.dir in gradle.properties before running this task.
+            // In this directory, you will get a native framework capable to be included into Xсode (с) project.
+            // Alternatively, you can directly run this task from Xсode (с).
+            // Example of Xcode (c) project can be found here:
+            // https://github.com/JetBrains/kotlin-mpp-example/tree/master/iosApp
+            task copyFramework {
+                def buildType = project.findProperty("kotlin.build.type") ?: "DEBUG"
+                def target = project.findProperty("kotlin.target") ?: "ios"
+                dependsOn "link${"$"}{buildType.toLowerCase().capitalize()}Framework${"$"}{target.capitalize()}"
+
+                doLast {
+                    def srcFile = kotlin.targets."${"$"}target".compilations.main.getBinary("FRAMEWORK", buildType)
+                    def targetDir = getProperty("configuration.build.dir")
+                    copy {
+                        from srcFile.parent
+                        into targetDir
+                        include '$androidAppName.framework/**'
+                        include '$androidAppName.framework.dSYM'
+                    }
+                }
+            }
+        """.trimIndent()
+    }
+}

idea/src/META-INF/gradle-java.xml

@@ -81,5 +81,6 @@
         <moduleBuilder implementation="org.jetbrains.kotlin.ide.konan.gradle.KotlinGradleNativeMultiplatformModuleBuilder"/>
         <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleWebMultiplatformModuleBuilder"/>
         <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleSharedMultiplatformModuleBuilder"/>
+        <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleMobileMultiplatformModuleBuilder"/>
     </extensions>
 </idea-plugin>

idea/src/META-INF/gradle-java.xml.as33

@@ -81,5 +81,6 @@
         <moduleBuilder implementation="org.jetbrains.kotlin.ide.konan.gradle.KotlinGradleNativeMultiplatformModuleBuilder"/>
         <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleWebMultiplatformModuleBuilder"/>
         <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleSharedMultiplatformModuleBuilder"/>
+        <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleMobileMultiplatformModuleBuilder"/>
     </extensions>
 </idea-plugin>

idea/src/META-INF/gradle.xml.181

@@ -89,6 +89,7 @@
         <moduleBuilder implementation="org.jetbrains.kotlin.ide.konan.gradle.KotlinGradleNativeMultiplatformModuleBuilder"/>
         <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleWebMultiplatformModuleBuilder"/>
         <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleSharedMultiplatformModuleBuilder"/>
+        <moduleBuilder implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleMobileMultiplatformModuleBuilder"/>
 
         <buildSystemTypeDetector implementation="org.jetbrains.kotlin.idea.configuration.GradleDetector"/>
     </extensions>