Use my fork of LML for now.

The classpath scanner, which I don't even claim to understand, is broken in the current official LML fork, so I reverted to the one Liftoff currently uses and also updated the scene2d.ui code for libGDX 1.12.0's breaking changes.

build.gradle

@@ -59,12 +59,18 @@ dependencies {
   implementation "com.badlogicgames.gdx:gdx:$gdxVersion"
   implementation "com.badlogicgames.gdx:gdx-backend-lwjgl3:$gdxVersion"
   implementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
-  implementation "com.crashinvaders.lml:gdx-kiwi:$lmlVersion"
-  implementation "com.crashinvaders.lml:gdx-lml:$lmlVersion"
-  implementation "com.crashinvaders.lml:gdx-lml-vis:$lmlVersion"
-  implementation "com.crashinvaders.lml:gdx-autumn:$lmlVersion"
-  implementation "com.crashinvaders.lml:gdx-autumn-fcs:$lmlVersion"
-  implementation "com.crashinvaders.lml:gdx-autumn-mvc:$lmlVersion"
+  implementation "com.github.tommyettinger.gdx-lml:gdx-kiwi:$lmlVersion"
+  implementation "com.github.tommyettinger.gdx-lml:gdx-lml:$lmlVersion"
+  implementation "com.github.tommyettinger.gdx-lml:gdx-lml-vis:$lmlVersion"
+  implementation "com.github.tommyettinger.gdx-lml:gdx-autumn:$lmlVersion"
+  implementation "com.github.tommyettinger.gdx-lml:gdx-autumn-fcs:$lmlVersion"
+  implementation "com.github.tommyettinger.gdx-lml:gdx-autumn-mvc:$lmlVersion"
+//  implementation "com.crashinvaders.lml:gdx-kiwi:$lmlVersion"
+//  implementation "com.crashinvaders.lml:gdx-lml:$lmlVersion"
+//  implementation "com.crashinvaders.lml:gdx-lml-vis:$lmlVersion"
+//  implementation "com.crashinvaders.lml:gdx-autumn:$lmlVersion"
+//  implementation "com.crashinvaders.lml:gdx-autumn-fcs:$lmlVersion"
+//  implementation "com.crashinvaders.lml:gdx-autumn-mvc:$lmlVersion"
   implementation "com.kotcrab.vis:vis-ui:$visUiVersion"
 
   implementation "org.lwjgl:lwjgl-nfd:$lwjgl3Version"

gradle.properties

@@ -1,7 +1,11 @@
 kotlinVersion=1.7.22
-gdxVersion=1.11.0
+gdxVersion=1.12.0
+# doesn't work with any version
 #lmlVersion=1.10.1.11.0
-lmlVersion=1.9.1.10.0
+# doesn't work with 1.12.0
+#lmlVersion=1.9.1.10.0
+# might work? self-built
+lmlVersion=fba87de689
 visUiVersion=1.5.1
 commonsExecVersion=1.3
 lwjgl3Version=3.3.1

src/main/kotlin/gdx/liftoff/actions/GlobalActionContainer.kt

@@ -90,7 +90,7 @@ class GlobalActionContainer : ActionContainer {
   }
 
   @LmlAction("androidPluginVersion")
-  fun getDefaultAndroidPluginVersion(): String = "7.3.0"
+  fun getDefaultAndroidPluginVersion(): String = "7.4.2"
 
   @LmlAction("roboVMVersion")
   fun getDefaultRoboVMVersion(): String = "2.3.16"

src/main/kotlin/gdx/liftoff/data/platforms/Android.kt

@@ -22,7 +22,7 @@ class Android : Platform {
   override fun initiate(project: Project) {
     project.rootGradle.buildDependencies.add("\"com.android.tools.build:gradle:\$androidPluginVersion\"")
     project.properties["androidPluginVersion"] = project.advanced.androidPluginVersion
-
+    project.properties["android.useAndroidX"] = "true"
     addGradleTaskDescription(project, "lint", "performs Android project validation.")
 
     addCopiedFile(project, "ic_launcher-web.png")
@@ -185,7 +185,7 @@ dependencies {
         (
           if (agpVersion[0] < 7 || (agpVersion[0] == 7) && agpVersion[1] < 3) "1.1.5"
           else if (agpVersion[0] == 7 && agpVersion[1] == 3) "1.2.2"
-          else "2.0.0"
+          else "2.0.3"
           ) + "'" else ""}
 ${joinDependencies(dependencies)}
 ${joinDependencies(nativeDependencies, "natives")}

src/main/kotlin/gdx/liftoff/data/project/project.kt

@@ -39,7 +39,7 @@ class Project(
   val rootGradle: RootGradleFile
   val properties = mutableMapOf(
     "org.gradle.daemon" to "true",
-    "org.gradle.jvmargs" to "-Xms512M -Xmx1G -XX:MaxMetaspaceSize=1G",
+    "org.gradle.jvmargs" to "-Xms512M -Xmx1G",
     "org.gradle.configureondemand" to "false"
   )
   val gwtInherits = mutableSetOf<String>()