feat: scaffold KMP project with Compose Multiplatform (Android, iOS, Desktop)

composeApp/build.gradle.kts

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+import org.jetbrains.compose.desktop.application.dsl.TargetFormat
+import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    alias(libs.plugins.kotlin.multiplatform)
+    alias(libs.plugins.compose.multiplatform)
+    alias(libs.plugins.kotlin.serialization)
+    alias(libs.plugins.android.application)
+}
+
+kotlin {
+    androidTarget {
+        @OptIn(ExperimentalKotlinGradlePluginApi::class)
+        instrumentedTestVariant.sourceSetTree.set(KotlinSourceSetTree.test)
+        compilations.all {
+            compileTaskProvider.configure {
+                compilerOptions.jvmTarget.set(JvmTarget.JVM_11)
+            }
+        }
+    }
+
+    listOf(iosX64(), iosArm64(), iosSimulatorArm64())
+
+    jvm("desktop")
+
+    sourceSets {
+        commonMain.dependencies {
+            implementation(compose.runtime)
+            implementation(compose.foundation)
+            implementation(compose.material3)
+            implementation(compose.components.uiToolingPreview)
+            implementation(libs.ktor.client.core)
+            implementation(libs.ktor.client.content.negotiation)
+            implementation(libs.ktor.serialization.kotlinx.json)
+            implementation(libs.kotlinx.serialization.json)
+            implementation(libs.kotlinx.coroutines.core)
+            implementation(libs.multiplatform.settings)
+            implementation(libs.multiplatform.settings.no.arg)
+            implementation(libs.lifecycle.viewmodel.compose)
+        }
+        commonTest.dependencies {
+            implementation(kotlin("test"))
+            implementation(libs.ktor.client.mock)
+            implementation(libs.kotlinx.coroutines.test)
+            implementation(libs.multiplatform.settings.test)
+        }
+        androidMain.dependencies {
+            implementation(libs.ktor.client.cio)
+            implementation(libs.androidx.activity.compose)
+        }
+        iosMain.dependencies {
+            implementation(libs.ktor.client.darwin)
+        }
+        desktopMain.dependencies {
+            implementation(libs.ktor.client.cio)
+            implementation(compose.desktop.currentOs)
+        }
+    }
+}
+
+android {
+    namespace = "ch.parano.myice"
+    compileSdk = 35
+
+    defaultConfig {
+        applicationId = "ch.parano.myice"
+        minSdk = 24
+        targetSdk = 35
+        versionCode = 1
+        versionName = "1.0"
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+}
+
+compose.desktop {
+    application {
+        mainClass = "ch.parano.myice.MainKt"
+        nativeDistributions {
+            targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
+            packageName = "myice"
+            packageVersion = "1.0.0"
+        }
+    }
+}

composeApp/src/androidMain/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:label="MyIce"
+        android:supportsRtl="true"
+        android:theme="@android:style/Theme.Material.Light.NoActionBar">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

composeApp/src/androidMain/kotlin/ch/parano/myice/MainActivity.kt

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+package ch.parano.myice
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        enableEdgeToEdge()
+        super.onCreate(savedInstanceState)
+        setContent {
+            Text("MyIce")
+        }
+    }
+}

composeApp/src/commonMain/kotlin/ch/parano/myice/Placeholder.kt

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+package ch.parano.myice

composeApp/src/desktopMain/kotlin/ch/parano/myice/Main.kt

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+package ch.parano.myice
+
+import androidx.compose.ui.window.Window
+import androidx.compose.ui.window.application
+
+fun main() = application {
+    Window(onCloseRequest = ::exitApplication, title = "MyIce") {
+        Text("MyIce")
+    }
+}

composeApp/src/iosMain/kotlin/ch/parano/myice/MainViewController.kt

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+package ch.parano.myice
+
+import androidx.compose.ui.window.ComposeUIViewController
+
+fun MainViewController() = ComposeUIViewController {
+    Text("MyIce")
+    }
+}