Import and setup Koin for multiplatform dependency injection

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

Author: theimpulson

composeApp/build.gradle.kts

@@ -44,10 +44,23 @@ kotlin {
             implementation(compose.ui)
             implementation(compose.components.resources)
             implementation(compose.components.uiToolingPreview)
+
+            // Lifecycle
             implementation(libs.jetbrains.lifecycle.viewmodel)
+
+            // Koin
+            implementation(project.dependencies.platform(libs.koin.bom))
+            api(libs.koin.annotations)
+            implementation(libs.koin.core)
+            implementation(libs.koin.compose)
+            implementation(libs.koin.viewmodel)
         }
         commonTest.dependencies {
             implementation(libs.kotlin.test)
+
+            // Koin
+            implementation(project.dependencies.platform(libs.koin.bom))
+            implementation(libs.koin.test)
         }
         androidMain.dependencies {
             implementation(compose.preview)
@@ -58,8 +71,24 @@ kotlin {
             implementation(libs.jetbrains.kotlinx.coroutinesSwing)
         }
     }
+
+    // Koin
+    sourceSets.named("commonMain").configure {
+        kotlin.srcDir("build/generated/ksp/metadata/commonMain/kotlin")
+    }
+}
+
+// Koin
+dependencies {
+    add("kspCommonMainMetadata", libs.koin.annotations)
+    add("kspAndroid", libs.koin.compiler)
+    add("kspIosArm64", libs.koin.compiler)
+    add("kspIosSimulatorArm64", libs.koin.compiler)
 }
 
+tasks.matching { it.name.startsWith("ksp") && it.name != "kspCommonMainKotlinMetadata" }
+    .configureEach { dependsOn("kspCommonMainKotlinMetadata") }
+
 compose.desktop {
     application {
         mainClass = "net.newpipe.app.MainKt"

composeApp/src/commonMain/kotlin/net/newpipe/app/App.kt

@@ -6,13 +6,22 @@
 package net.newpipe.app
 
 import androidx.compose.runtime.Composable
+import net.newpipe.app.module.appModules
 import net.newpipe.app.theme.AppTheme
-import org.jetbrains.compose.ui.tooling.preview.Preview
+import org.koin.compose.KoinMultiplatformApplication
+import org.koin.core.annotation.KoinExperimentalAPI
+import org.koin.dsl.koinConfiguration
 
+@OptIn(KoinExperimentalAPI::class)
 @Composable
-@Preview
 fun App() {
-    AppTheme {
+    KoinMultiplatformApplication(
+        config = koinConfiguration {
+            modules(appModules)
+        }
+    ) {
+        AppTheme {
 
+        }
     }
 }

composeApp/src/commonMain/kotlin/net/newpipe/app/module/Koin.kt

@@ -0,0 +1,12 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.module
+
+import org.koin.dsl.module
+
+val appModules = module {
+
+}

gradle/libs.versions.toml

@@ -26,6 +26,8 @@ hotreload = "1.0.0"
 jsoup = "1.21.2"
 junit = "4.13.2"
 junit-ext = "1.3.0"
+koin-annotations = "2.3.1"
+koin-bom = "4.1.1"
 kotlin = "2.2.21"
 ksp = "2.3.2"
 ktlint = "1.8.0"
@@ -117,6 +119,13 @@ jetbrains-kotlinx-coroutinesSwing = { module = "org.jetbrains.kotlinx:kotlinx-co
 jetbrains-lifecycle-viewmodel = { module = "org.jetbrains.androidx.lifecycle:lifecycle-viewmodel-compose", version.ref = "lifecycle-jetbrains" }
 jsoup = { module = "org.jsoup:jsoup", version.ref = "jsoup" }
 junit = { module = "junit:junit", version.ref = "junit" }
+koin-annotations = { module = "io.insert-koin:koin-annotations", version.ref = "koin-annotations" }
+koin-bom = { module = "io.insert-koin:koin-bom", version.ref = "koin-bom" }
+koin-compiler = { module = "io.insert-koin:koin-ksp-compiler", version.ref = "koin-annotations" }
+koin-compose = { module = "io.insert-koin:koin-compose" }
+koin-core = { module = "io.insert-koin:koin-core" }
+koin-test = { module = "io.insert-koin:koin-test" }
+koin-viewmodel = { module = "io.insert-koin:koin-compose-viewmodel" }
 kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
 lisawray-groupie-core = { module = "com.github.lisawray.groupie:groupie", version.ref = "groupie" }
 lisawray-groupie-viewbinding = { module = "com.github.lisawray.groupie:groupie-viewbinding", version.ref = "groupie" }