Allow Compose hot reload 🔥 for desktop app

README.md

@@ -109,6 +109,22 @@ and store this in `_ci/google-services.json.gpg`.
 The `decrypt_secrets.sh` will take it into account.
 </details>
 
+### Compose hot reload 🔥
+
+<details>
+<summary>See details…</summary>
+It is possible to use [Compose hot reload](https://github.com/JetBrains/compose-hot-reload) on
+desktop app by running the `:tasks-app-desktop:runHot` Gradle task.
+
+You'll see a Compose icon near the top left corner of the window.
+
+![](assets/compose-hot-reload-icon.png)
+
+When clicking on it, it will open a new window with the hot reload status.
+
+![](assets/compose-hot-reload-console.png)
+</details>
+
 ## ⚖️ License
 
 ```

build.gradle.kts

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Olivier Patry
+ * Copyright (c) 2025 Olivier Patry
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the "Software"),
@@ -27,6 +27,7 @@ plugins {
     alias(libs.plugins.jetbrains.kotlin.serialization) apply false
     alias(libs.plugins.jetbrains.kotlin.compose.compiler) apply false
     alias(libs.plugins.jetbrains.compose) apply false
+    alias(libs.plugins.compose.hot.reload) apply false
     alias(libs.plugins.ksp) apply false
     alias(libs.plugins.androidx.room) apply false
     alias(libs.plugins.android.application) apply false

gradle/libs.versions.toml

@@ -10,6 +10,7 @@ coroutines = "1.10.2"
 ktor = "3.1.3"
 activity-compose = "1.11.0-rc01"
 compose-plugin = "1.8.0"
+compose-hot-reload-plugin = "1.0.0-alpha09"
 compose-ui-preview = "1.8.0"
 compose-m3-adaptive = "1.1.0"
 room = "2.7.1"
@@ -106,6 +107,7 @@ jetbrains-kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin"
 jetbrains-kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
 jetbrains-kotlin-compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
 jetbrains-compose = { id = "org.jetbrains.compose", version.ref = "compose-plugin" }
+compose-hot-reload = { id = "org.jetbrains.compose.hot-reload", version.ref = "compose-hot-reload-plugin" }
 ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
 androidx-room = { id = "androidx.room", version.ref = "room" }
 google-services = { id = "com.google.gms.google-services", version = "4.4.2" }

settings.gradle.kts

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Olivier Patry
+ * Copyright (c) 2025 Olivier Patry
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the "Software"),
@@ -37,6 +37,10 @@ pluginManagement {
     }
 }
 
+plugins {
+    id("org.gradle.toolchains.foojay-resolver-convention") version "0.10.0"
+}
+
 dependencyResolutionManagement {
     @Suppress("UnstableApiUsage")
     repositories {

tasks-app-desktop/build.gradle.kts

@@ -24,12 +24,15 @@ import com.mikepenz.aboutlibraries.plugin.DuplicateMode
 import com.mikepenz.aboutlibraries.plugin.DuplicateRule
 import com.mikepenz.aboutlibraries.plugin.StrictMode
 import org.jetbrains.compose.desktop.application.dsl.TargetFormat
+import org.jetbrains.compose.reload.ComposeHotRun
+import org.jetbrains.kotlin.compose.compiler.gradle.ComposeFeatureFlag
 
 plugins {
     alias(libs.plugins.jetbrains.kotlin.jvm)
     alias(libs.plugins.jetbrains.kotlin.compose.compiler)
     alias(libs.plugins.jetbrains.compose)
     alias(libs.plugins.about.libraries)
+    alias(libs.plugins.compose.hot.reload)
 }
 
 val appName = "Taskfolio"
@@ -71,6 +74,14 @@ kotlin {
     }
 }
 
+composeCompiler {
+    featureFlags.add(ComposeFeatureFlag.OptimizeNonSkippingGroups)
+}
+
+tasks.withType<ComposeHotRun>().configureEach {
+    mainClass.set("MainAppKt")
+}
+
 compose.desktop {
     application {
         mainClass = "MainAppKt"

tasks-app-desktop/src/main/resources/licenses_desktop.json

@@ -949,6 +949,34 @@
                 "Apache-2.0"
             ]
         },
+        {
+            "uniqueId": "org.jetbrains.compose.hot-reload:hot-reload-runtime-api",
+            "developers": [
+                {
+                    "name": "JetBrains Team"
+                }
+            ],
+            "artifactVersion": "1.0.0-alpha09",
+            "description": "Compose Hot Reload implementation",
+            "name": "hot-reload-runtime-api",
+            "licenses": [
+                "Apache-2.0"
+            ]
+        },
+        {
+            "uniqueId": "org.jetbrains.compose.hot-reload:hot-reload-runtime-jvm",
+            "developers": [
+                {
+                    "name": "JetBrains Team"
+                }
+            ],
+            "artifactVersion": "1.0.0-alpha09",
+            "description": "Compose Hot Reload implementation",
+            "name": "hot-reload-runtime-jvm",
+            "licenses": [
+                "Apache-2.0"
+            ]
+        },
         {
             "uniqueId": "org.jetbrains.compose.material3.adaptive:adaptive",
             "developers": [

tasks-app-shared/build.gradle.kts

@@ -31,6 +31,7 @@ plugins {
     alias(libs.plugins.jetbrains.kotlin.compose.compiler)
     alias(libs.plugins.ksp)
     alias(libs.plugins.jetbrains.compose)
+    alias(libs.plugins.compose.hot.reload)
     alias(libs.plugins.androidx.room)
     alias(libs.plugins.android.library)
 }