new: init kmp project

shared/build.gradle.kts

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+import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    alias(libs.plugins.kotlinMultiplatform)
+    alias(libs.plugins.androidMultiplatformLibrary)
+    alias(libs.plugins.composeMultiplatform)
+    alias(libs.plugins.composeCompiler)
+}
+
+kotlin {
+    listOf(
+        iosArm64(),
+        iosSimulatorArm64(),
+    ).forEach { iosTarget ->
+        iosTarget.binaries.framework {
+            baseName = "Shared"
+            isStatic = true
+        }
+    }
+
+    jvm()
+
+    js {
+        browser()
+    }
+
+    @OptIn(ExperimentalWasmDsl::class)
+    wasmJs {
+        browser()
+    }
+
+    androidLibrary {
+        namespace = "fr.ajaury.gwenedeg.shared"
+        compileSdk =
+            libs.versions.android.compileSdk
+                .get()
+                .toInt()
+        minSdk =
+            libs.versions.android.minSdk
+                .get()
+                .toInt()
+
+        compilerOptions {
+            jvmTarget = JvmTarget.JVM_11
+        }
+        androidResources {
+            enable = true
+        }
+        withHostTest {
+            isIncludeAndroidResources = true
+        }
+    }
+
+    sourceSets {
+        androidMain.dependencies {
+            implementation(libs.compose.uiToolingPreview)
+        }
+        commonMain.dependencies {
+            implementation(libs.compose.runtime)
+            implementation(libs.compose.foundation)
+            implementation(libs.compose.material3)
+            implementation(libs.compose.ui)
+            implementation(libs.compose.components.resources)
+            implementation(libs.compose.uiToolingPreview)
+            implementation(libs.androidx.lifecycle.viewmodelCompose)
+            implementation(libs.androidx.lifecycle.runtimeCompose)
+        }
+        commonTest.dependencies {
+            implementation(libs.kotlin.test)
+        }
+        jsMain.dependencies {
+            implementation(libs.wrappers.browser)
+        }
+    }
+}
+
+dependencies {
+    androidRuntimeClasspath(libs.compose.uiTooling)
+}

shared/src/androidHostTest/kotlin/fr/ajaury/gwenedeg/SharedLogicAndroidHostTest.kt

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+package fr.ajaury.gwenedeg
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class SharedLogicAndroidHostTest {
+
+    @Test
+    fun example() {
+        assertEquals(3, 1 + 2)
+    }
+}

shared/src/androidMain/kotlin/fr/ajaury/gwenedeg/Platform.android.kt

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+package fr.ajaury.gwenedeg
+
+import android.os.Build
+
+class AndroidPlatform : Platform {
+    override val name: String = "Android ${Build.VERSION.SDK_INT}"
+}
+
+actual fun getPlatform(): Platform = AndroidPlatform()

shared/src/commonMain/composeResources/drawable/compose-multiplatform.xml

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+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="450dp"
+    android:height="450dp"
+    android:viewportWidth="64"
+    android:viewportHeight="64">
+  <path
+      android:pathData="M56.25,18V46L32,60 7.75,46V18L32,4Z"
+      android:fillColor="#6075f2"/>
+  <path
+      android:pathData="m41.5,26.5v11L32,43V60L56.25,46V18Z"
+      android:fillColor="#6b57ff"/>
+  <path
+      android:pathData="m32,43 l-9.5,-5.5v-11L7.75,18V46L32,60Z">
+    <aapt:attr name="android:fillColor">
+      <gradient
+          android:centerX="23.131"
+          android:centerY="18.441"
+          android:gradientRadius="42.132"
+          android:type="radial">
+        <item android:offset="0" android:color="#FF5383EC"/>
+        <item android:offset="0.867" android:color="#FF7F52FF"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+      android:pathData="M22.5,26.5 L32,21 41.5,26.5 56.25,18 32,4 7.75,18Z">
+    <aapt:attr name="android:fillColor">
+      <gradient
+          android:startX="44.172"
+          android:startY="4.377"
+          android:endX="17.973"
+          android:endY="34.035"
+          android:type="linear">
+        <item android:offset="0" android:color="#FF33C3FF"/>
+        <item android:offset="0.878" android:color="#FF5383EC"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+      android:pathData="m32,21 l9.526,5.5v11L32,43 22.474,37.5v-11z"
+      android:fillColor="#000000"/>
+</vector>

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/App.kt

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+package fr.ajaury.gwenedeg
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.safeContentPadding
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import org.jetbrains.compose.resources.painterResource
+
+import gwenedeg.shared.generated.resources.Res
+import gwenedeg.shared.generated.resources.compose_multiplatform
+
+@Composable
+@Preview
+fun App() {
+    MaterialTheme {
+        var showContent by remember { mutableStateOf(false) }
+        Column(
+            modifier = Modifier
+                .background(MaterialTheme.colorScheme.primaryContainer)
+                .safeContentPadding()
+                .fillMaxSize(),
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Button(onClick = { showContent = !showContent }) {
+                Text("Click me!")
+            }
+            AnimatedVisibility(showContent) {
+                val greeting = remember { Greeting().greet() }
+                Column(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalAlignment = Alignment.CenterHorizontally,
+                ) {
+                    Image(painterResource(Res.drawable.compose_multiplatform), null)
+                    Text("Compose: $greeting")
+                }
+            }
+        }
+    }
+}

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/Greeting.kt

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+package fr.ajaury.gwenedeg
+
+class Greeting {
+    private val platform = getPlatform()
+
+    fun greet(): String {
+        return sayHello(platform.name)
+    }
+}

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/GreetingUtil.kt

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+package fr.ajaury.gwenedeg
+
+fun sayHello(to: String): String =
+    "Hello, $to!"

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/Platform.kt

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+package fr.ajaury.gwenedeg
+
+interface Platform {
+    val name: String
+}
+
+expect fun getPlatform(): Platform

shared/src/commonTest/kotlin/fr/ajaury/gwenedeg/SharedCommonTest.kt

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+package fr.ajaury.gwenedeg
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class SharedCommonTest {
+
+    @Test
+    fun example() {
+        assertEquals(3, 1 + 2)
+    }
+}

shared/src/iosMain/kotlin/fr/ajaury/gwenedeg/MainViewController.kt

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+package fr.ajaury.gwenedeg
+
+import androidx.compose.ui.window.ComposeUIViewController
+
+fun MainViewController() = ComposeUIViewController { App() }

shared/src/iosMain/kotlin/fr/ajaury/gwenedeg/Platform.ios.kt

@@ -0,0 +1,9 @@
+package fr.ajaury.gwenedeg
+
+import platform.UIKit.UIDevice
+
+class IOSPlatform: Platform {
+    override val name: String = UIDevice.currentDevice.systemName() + " " + UIDevice.currentDevice.systemVersion
+}
+
+actual fun getPlatform(): Platform = IOSPlatform()

shared/src/iosTest/kotlin/fr/ajaury/gwenedeg/SharedLogicIOSTest.kt

@@ -0,0 +1,12 @@
+package fr.ajaury.gwenedeg
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class SharedLogicIOSTest {
+
+    @Test
+    fun example() {
+        assertEquals(3, 1 + 2)
+    }
+}

shared/src/jsMain/kotlin/fr/ajaury/gwenedeg/Platform.js.kt

@@ -0,0 +1,14 @@
+package fr.ajaury.gwenedeg
+
+import web.navigator.navigator
+
+class JsPlatform: Platform {
+    private val userAgent = navigator.userAgent
+    private val browserList = listOf("Chrome", "Firefox", "Safari", "Edge")
+
+    override val name: String = userAgent.findAnyOf(browserList, ignoreCase = true)
+            ?.let { (startIndex) -> userAgent.substring(startIndex).substringBefore(" ") }
+            ?: "Unknown"
+}
+
+actual fun getPlatform(): Platform = JsPlatform()

shared/src/jvmMain/kotlin/fr/ajaury/gwenedeg/Platform.jvm.kt

@@ -0,0 +1,7 @@
+package fr.ajaury.gwenedeg
+
+class JVMPlatform: Platform {
+    override val name: String = "Java ${System.getProperty("java.version")}"
+}
+
+actual fun getPlatform(): Platform = JVMPlatform()

shared/src/jvmTest/kotlin/fr/ajaury/gwenedeg/SharedLogicDesktopTest.kt

@@ -0,0 +1,12 @@
+package fr.ajaury.gwenedeg
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class SharedLogicDesktopTest {
+
+    @Test
+    fun example() {
+        assertEquals(3, 1 + 2)
+    }
+}

shared/src/wasmJsMain/kotlin/fr/ajaury/gwenedeg/Platform.wasmJs.kt

@@ -0,0 +1,7 @@
+package fr.ajaury.gwenedeg
+
+class WasmPlatform: Platform {
+    override val name: String = "Web with Kotlin/Wasm"
+}
+
+actual fun getPlatform(): Platform = WasmPlatform()