Update androidGradle to v9 (major) (#272)

* Update androidGradle to v9

* Migrate to new source dir syntax

* Temporary disable android.newDsl and android.builtInKotlin

* Remove obsolete gradle properties

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Thomas Wirth <thomas-w-@web.de>

Author: renovate[bot]

gradle.properties

@@ -4,7 +4,9 @@ org.gradle.jvmargs=-Xmx3g -Dfile.encoding=UTF-8 -XX:+UseG1GC -XX:SoftRefLRUPolic
 kotlin.daemon.jvmargs=-Xmx3g -Dfile.encoding=UTF-8 -XX:+UseG1GC -XX:SoftRefLRUPolicyMSPerMB=1 -XX:ReservedCodeCacheSize=320m -XX:+HeapDumpOnOutOfMemoryError
 # Controls whether Gradle should print a welcome message
 org.gradle.welcome=never
-# Allow usage of AndroidX instead of the old support libraries.
-android.useAndroidX=true
-# Disable Dokka Gradle plugin V1 deprecation warning until stable v2 is available
-org.jetbrains.dokka.experimental.gradle.pluginMode.nowarn=true
+
+# TODO remove and migrate once detekt v2 supports AGP9 https://github.com/detekt/detekt/issues/8981
+android.newDsl=false
+android.builtInKotlin=false
+android.suppressUnsupportedOptionWarnings=android.suppressUnsupportedOptionWarnings,android.newDsl,android.builtInKotlin
+kotlin.suppressGradlePluginWarnings=DeprecatedKotlinAndroidPlugin

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ androidconfig-compileSdk = "36"
 androidconfig-targetSdk = "36"
 androidconfig-buildTools = "36.1.0"
 
-androidGradle = "8.13.2"
+androidGradle = "9.0.0"
 kotlin = "2.3.0"
 
 appcompat = "1.7.1"

quickie/build.gradle.kts

@@ -19,8 +19,8 @@ android {
     create("unbundled").dimension = "mlkit"
   }
   sourceSets {
-    getByName("bundled").java.srcDirs("src/bundled/kotlin")
-    getByName("unbundled").java.srcDirs("src/unbundled/kotlin")
+    getByName("bundled").java.directories.add("src/bundled/kotlin")
+    getByName("unbundled").java.directories.add("src/unbundled/kotlin")
   }
   publishing {
     singleVariant("bundledRelease")