chore(android): update Gradle Kotlin NDK and native build dependencies

android/app/build.gradle.kts

@@ -38,7 +38,7 @@ require(rustAndroidAbis.all { it in supportedRustAndroidAbis }) {
 android {
     namespace = "com.zarz.spotiflac"
     compileSdk = 37
-    ndkVersion = flutter.ndkVersion
+    ndkVersion = "30.0.16248370"
 
     buildFeatures {
         buildConfig = true
@@ -50,7 +50,7 @@ android {
     externalNativeBuild {
         cmake {
             path = file("src/main/cpp/CMakeLists.txt")
-            version = "3.22.1"
+            version = "4.1.2"
         }
     }
 
@@ -98,7 +98,13 @@ android {
         versionName = flutter.versionName
         multiDexEnabled = true
         externalNativeBuild {
-            cmake { arguments += "-DANDROID_STL=c++_static" }
+            cmake {
+                arguments += listOf(
+                    "-DANDROID_STL=c++_static",
+                    // Oboe's minimum predates the policies removed in CMake 4.
+                    "-DCMAKE_POLICY_VERSION_MINIMUM=3.5",
+                )
+            }
         }
 
         ndk {
@@ -160,7 +166,7 @@ val buildRustBackend = tasks.register<Exec>("buildRustBackend") {
     environment(
         "ANDROID_NDK_HOME",
         System.getenv("ANDROID_NDK_HOME")
-            ?: android.sdkDirectory.resolve("ndk/29.0.14206865").absolutePath,
+            ?: android.sdkDirectory.resolve("ndk/30.0.16248370").absolutePath,
     )
     inputs.files(fileTree(rustBackendDir) {
         include("**/*.rs", "**/*.toml", "**/*.lock", "**/*.js", "**/*.tsv", "**/*.pem")
@@ -202,7 +208,7 @@ dependencies {
     implementation("androidx.activity:activity-ktx:1.13.0")
     // NativeDownloadFinalizer imports FFmpegKit APIs directly. The Flutter
     // plugin owns the runtime AAR; compileOnly avoids packaging it twice here.
-    compileOnly("com.antonkarpenko:ffmpeg-kit-audio:2.2.2")
+    compileOnly("com.antonkarpenko:ffmpeg-kit-audio:2.2.3")
 
     testImplementation("junit:junit:4.13.2")
     testImplementation("org.json:json:20260814")

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.0-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.1-all.zip
 networkTimeout=10000
 retries=0
 retryBackOffMs=500

android/settings.gradle.kts

@@ -20,7 +20,7 @@ pluginManagement {
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
     id("com.android.application") version "9.4.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.4.20" apply false
+    id("org.jetbrains.kotlin.android") version "2.4.21" apply false
 }
 
 include(":app")

scripts/build_rust_backend.sh

@@ -54,7 +54,7 @@ done
 
 if [[ "$PLATFORM" == "android" ]]; then
   if [[ -z "${ANDROID_NDK_HOME:-}" ]]; then
-    echo "Error: set ANDROID_NDK_HOME to Android NDK 29.0.14206865." >&2
+    echo "Error: set ANDROID_NDK_HOME to Android NDK 30.0.16248370." >&2
     exit 1
   fi
   case "$(uname -s)" in

third_party/audio_service/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

third_party/audioplayers_android/android/build.gradle

@@ -2,8 +2,8 @@ group 'xyz.luan.audioplayers'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.7.10'
-    ext.coroutines_version = '1.6.4'
+    ext.kotlin_version = '2.4.21'
+    ext.coroutines_version = '1.11.0'
 
     repositories {
         google()
@@ -11,9 +11,9 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.1'
+        classpath 'com.android.tools.build:gradle:9.4.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "de.mannodermaus.gradle.plugins:android-junit5:1.7.1.1"
+        classpath "de.mannodermaus.gradle.plugins:android-junit5:2.0.1"
     }
 }
 
@@ -28,7 +28,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'de.mannodermaus.android-junit5'
 
 android {
-    compileSdk 36
+    compileSdk 37
 
     // Conditional for compatibility with AGP <4.2.
     if (project.android.hasProperty('namespace')) {
@@ -69,12 +69,12 @@ allprojects {
 }
 
 dependencies {
-    implementation "androidx.core:core-ktx:1.9.0" // Do not pump unless dropping support for AGP7
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation "androidx.core:core-ktx:1.19.1"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
-    testImplementation 'org.junit.jupiter:junit-jupiter:5.9.0'
-    testImplementation 'org.assertj:assertj-core:3.23.1'
+    testImplementation 'org.junit.jupiter:junit-jupiter:6.1.3'
+    testImplementation 'org.assertj:assertj-core:3.27.7'
 }
 repositories {
     mavenCentral()

third_party/spotiflac_discord/android/build.gradle

@@ -9,6 +9,7 @@ def discordSdkEnabled = System.getenv('SPOTIFLAC_DISCORD_SDK') != '0'
 android {
     namespace 'com.zarz.spotiflac.discord'
     compileSdk 37
+    ndkVersion '30.0.16248370'
     defaultConfig {
         minSdk 24
         externalNativeBuild {
@@ -25,6 +26,6 @@ android {
     kotlinOptions { jvmTarget = '25' }
     if (discordSdkEnabled) sourceSets.main.assets.srcDir('../sdk/notices')
     externalNativeBuild {
-        cmake { path 'CMakeLists.txt'; version '3.22.1' }
+        cmake { path 'CMakeLists.txt'; version '4.1.2' }
     }
 }