Update to AGP 9.0

Author: topjohnwu

app/.gitignore

@@ -3,5 +3,5 @@
 # Gradle
 .gradle
 .kotlin
+build
 /local.properties
-/build

app/apk/.gitignore

@@ -1,8 +1,7 @@
 plugins {
     id("com.android.application")
-    kotlin("android")
     kotlin("plugin.parcelize")
-    kotlin("kapt")
+    id("com.android.legacy-kapt")
     id("androidx.navigation.safeargs.kotlin")
 }
 
@@ -26,6 +25,10 @@ android {
         isCoreLibraryDesugaringEnabled = true
     }
 
+    defaultConfig {
+        proguardFile("proguard-rules.pro")
+    }
+
     buildTypes {
         release {
             isMinifyEnabled = true

app/apk/build.gradle.kts

@@ -0,0 +1,3 @@
+# Excessive obfuscation
+-flattenpackagehierarchy
+-allowaccessmodification

app/apk/proguard-rules.pro

@@ -1,5 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-
 plugins {
     `kotlin-dsl`
 }
@@ -21,6 +19,7 @@ gradlePlugin {
 dependencies {
     implementation(kotlin("gradle-plugin", libs.versions.kotlin.get()))
     implementation(libs.android.gradle.plugin)
+    implementation(libs.android.kapt.plugin)
     implementation(libs.ksp.plugin)
     implementation(libs.navigation.safe.args.plugin)
     implementation(libs.lsparanoid.plugin)