Refactor Gradle to Kotlin DSL and add libs catalog

build.gradle.kts

@@ -0,0 +1,24 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+plugins {
+  alias(libs.plugins.android.application) apply false
+  alias(libs.plugins.android.library) apply false
+  alias(libs.plugins.kotlin.android) apply false
+  alias(libs.plugins.maven.publish) apply false
+  alias(libs.plugins.dokka) apply false
+  alias(libs.plugins.paparazzi) apply false
+  alias(libs.plugins.roborazzi) apply false
+}
+
+
+tasks.register<Delete>("clean") {
+  delete(rootProject.buildDir)
+}
+
+// Used on CI to prevent publishing of non-snapshot versions.
+tasks.register("throwIfVersionIsNotSnapshot") {
+  val libraryVersion = project.findProperty("VERSION_NAME") as String
+  if (!libraryVersion.endsWith("SNAPSHOT")) {
+    throw IllegalStateException("Project isn't using a snapshot version = $libraryVersion")
+  }
+}

cascade-compose/build.gradle.kts

@@ -0,0 +1,90 @@
+import java.time.Duration
+
+plugins {
+  alias(libs.plugins.dropshots)
+  alias(libs.plugins.emulator)
+  alias(libs.plugins.android.library)
+  alias(libs.plugins.kotlin.android)
+  alias(libs.plugins.paparazzi)
+  alias(libs.plugins.roborazzi)
+  alias(libs.plugins.maven.publish)
+}
+
+android {
+  resourcePrefix = "cascade_"
+  namespace = "me.saket.cascade"
+
+  compileSdk = libs.versions.compileSdk.get().toInt()
+
+  defaultConfig {
+    minSdk = libs.versions.minSdk.get().toInt()
+    testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+  }
+
+  buildFeatures {
+    compose = true
+    buildConfig = true
+  }
+  composeOptions {
+    kotlinCompilerExtensionVersion = libs.versions.composeCompiler.get()
+  }
+  kotlinOptions {
+    jvmTarget = "1.8"
+  }
+  lint {
+    abortOnError = true
+  }
+  testOptions {
+    animationsDisabled = true
+    unitTests {
+      isIncludeAndroidResources = true  // Required by Robolectric.
+    }
+  }
+}
+
+emulatorwtf {
+  devices.set(
+    listOf(
+      mapOf(
+        "model" to "Pixel7",
+        "version" to 31,
+        "atd" to false
+      )
+    )
+  )  // ATD emulators don't have any soft keyboard.
+  directoriesToPull.set(listOf("/sdcard/Download/"))
+  numFlakyTestAttempts.set(2) // 3 runs in total.
+  fileCacheTtl.set(Duration.ofDays(30))
+  timeout.set(Duration.ofMinutes(15)) // Note to self: this is per shard and not per test.
+  printOutput.set(true) // Print report URL even for successful test runs.
+}
+
+dependencies {
+  implementation(libs.activity.compose)
+  implementation(libs.compose.ui)
+  implementation(libs.compose.ui.tooling)
+  implementation(libs.compose.foundation)
+  implementation(libs.compose.material3)
+
+  testImplementation(libs.junit)
+  testImplementation(libs.testparaminjector)
+  testImplementation(libs.truth)
+
+  testImplementation(libs.compose.ui.test)
+  testImplementation(libs.robolectric)
+  testImplementation(libs.roborazzi)
+  testImplementation(libs.roborazzi.junit)
+  testImplementation(libs.compose.icons.extended)
+  testImplementation(libs.hamcrest)
+
+  debugImplementation(libs.compose.ui.manifest)
+
+  debugImplementation(libs.appcompat)
+
+  androidTestImplementation(libs.test.core)
+  androidTestImplementation(libs.test.rules)
+  androidTestImplementation(libs.test.junit.ext)
+  androidTestImplementation(libs.compose.ui.test)
+  androidTestImplementation(libs.testparaminjector)
+  androidTestImplementation(libs.compose.icons.extended)
+}

cascade/build.gradle.kts

@@ -0,0 +1,30 @@
+plugins {
+  alias(libs.plugins.android.library)
+  alias(libs.plugins.kotlin.android)
+  alias(libs.plugins.maven.publish)
+}
+
+android {
+  resourcePrefix = "cascade_"
+  namespace = "me.saket.cascade"
+
+  compileSdk = libs.versions.compileSdk.get().toInt()
+
+  defaultConfig {
+    minSdk = 21
+  }
+
+  kotlinOptions {
+    jvmTarget = "1.8"
+  }
+
+  lint {
+    abortOnError = true
+  }
+}
+
+dependencies {
+  implementation(libs.appcompat)
+  implementation(libs.recyclerview)
+  implementation(libs.ktx)
+}

gradle/libs.versions.toml

@@ -0,0 +1,79 @@
+[versions]
+android-gradle = "8.1.2"
+minSdk = "23"
+compileSdk = "34"
+kotlin = "1.9.10"
+composeUi = "1.5.2"
+composeCompiler = "1.5.3"
+composeUiMaterial3 = "1.1.2"
+activityCompose = "1.7.2"
+appCompat = "1.6.1"
+testParamInjector = "1.12"
+recyclerView = "1.3.1"
+ktx = "1.12.0"
+paparazzi = "1.3.1"
+roborazzi = "1.7.0-alpha-4"
+material = "1.9.0"
+taptargetview = "1.13.3"
+introshowcaseview = "1.0.7"
+junit = "4.13.2"
+truth = "1.1.5"
+hamcrest = "1.3"
+robolectric = "4.10.3"
+testCore = "1.5.0"
+testRules = "1.5.0"
+testJunitExt = "1.1.5"
+dropshots = "0.4.1"
+emulator-gradle = "0.15.1"
+maven-publish = "0.25.3"
+dokka = "1.9.0"
+
+[libraries]
+# Compose & AndroidX
+activity-compose = { module = "androidx.activity:activity-compose", version.ref = "activityCompose" }
+compose-ui = { module = "androidx.compose.ui:ui", version.ref = "composeUi" }
+compose-ui-tooling = { module = "androidx.compose.ui:ui-tooling", version.ref = "composeUi" }
+compose-foundation = { module = "androidx.compose.foundation:foundation", version.ref = "composeUi" }
+compose-material3 = { module = "androidx.compose.material3:material3", version.ref = "composeUiMaterial3" }
+compose-icons-extended = { module = "androidx.compose.material:material-icons-extended", version.ref = "composeUi" }
+
+# AndroidX & Core
+appcompat = { module = "androidx.appcompat:appcompat", version.ref = "appCompat" }
+ktx = { module = "androidx.core:core-ktx", version.ref = "ktx" }
+recyclerview = { module = "androidx.recyclerview:recyclerview", version.ref = "recyclerView" }
+
+# Material & UI
+material = { module = "com.google.android.material:material", version.ref = "material" }
+taptargetview = { module = "com.getkeepsafe.taptargetview:taptargetview", version.ref = "taptargetview" }
+introshowcaseview = { module = "com.canopas.intro-showcase-view:introshowcaseview", version.ref = "introshowcaseview" }
+
+# Testing
+junit = { module = "junit:junit", version.ref = "junit" }
+truth = { module = "com.google.truth:truth", version.ref = "truth" }
+hamcrest = { module = "org.hamcrest:hamcrest-core", version.ref = "hamcrest" }
+testparaminjector = { module = "com.google.testparameterinjector:test-parameter-injector", version.ref = "testParamInjector" }
+robolectric = { module = "org.robolectric:robolectric", version.ref = "robolectric" }
+test-core = { module = "androidx.test:core-ktx", version.ref = "testCore" }
+test-rules = { module = "androidx.test:rules", version.ref = "testRules" }
+test-junit-ext = { module = "androidx.test.ext:junit-ktx", version.ref = "testJunitExt" }
+
+# Compose Test
+compose-ui-test = { module = "androidx.compose.ui:ui-test-junit4", version.ref = "composeUi" }
+compose-ui-manifest = { module = "androidx.compose.ui:ui-test-manifest", version.ref = "composeUi" }
+
+# Roborazzi / Paparazzi
+paparazzi = { module = "app.cash.paparazzi:paparazzi", version.ref = "paparazzi" }
+roborazzi = { module = "io.github.takahirom.roborazzi:roborazzi", version.ref = "roborazzi" }
+roborazzi-junit = { module = "io.github.takahirom.roborazzi:roborazzi-junit-rule", version.ref = "roborazzi" }
+
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "android-gradle" }
+android-library = { id = "com.android.library", version.ref = "android-gradle" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+paparazzi = { id = "app.cash.paparazzi", version.ref = "paparazzi" }
+roborazzi = { id = "io.github.takahirom.roborazzi", version.ref = "roborazzi" }
+dropshots = { id = "com.dropbox.dropshots", version.ref = "dropshots" }
+emulator = { id = "wtf.emulator.gradle", version.ref = "emulator-gradle" }
+maven-publish = { id = "com.vanniktech.maven.publish", version.ref = "maven-publish" }
+dokka = { id = "org.jetbrains.dokka", version.ref = "dokka" }