Migrate to Gradle KTS and Version Catalogs

build.gradle.kts

@@ -0,0 +1,81 @@
+/**
+ * Copyright © 2025 Md. Mahmudul Hasan Shohag. All rights reserved.
+ */
+
+
+import org.jetbrains.dokka.gradle.DokkaMultiModuleTask // Keep this import
+
+// 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.ksp) apply false
+    alias(libs.plugins.spotless)
+    alias(libs.plugins.dokka)
+}
+
+// Configure Spotless for the root project (e.g., build.gradle.kts, settings.gradle.kts)
+configure<com.diffplug.gradle.spotless.SpotlessExtension> {
+    // Optional: If you want to use the same ktlint version across kotlin and kotlinGradle
+    // val ktlintVersion = libs.versions.ktlint.get() // Assuming you add ktlint version to toml
+
+    kotlinGradle {
+        target("*.gradle.kts", "settings.gradle.kts") // Target root .gradle.kts files and settings.gradle.kts
+        targetExclude("**/build/**/*.kts", "build-logic/**/*.gradle.kts") // Exclude build dir & build-logic
+        ktlint() // .editorconfig() can be added if you have one at the root
+        licenseHeaderFile(rootProject.file("spotless/copyright.kts"), """(^(?![\\/ ]\\*).*$)""") // Regex for KTS license
+    }
+
+    // You might still want a general kotlin format for any .kt files directly in the root, if any.
+    // kotlin {
+    //     target("*.kt")
+    //     ktlint()
+    //     licenseHeaderFile(rootProject.file("spotless/copyright.kt"))
+    // }
+}
+
+subprojects {
+    // Apply Spotless plugin to each subproject.
+    // The plugin's version is managed via the root project's plugins block.
+    apply(plugin = "com.diffplug.spotless")
+
+    // Configure Spotless for each subproject
+    configure<com.diffplug.gradle.spotless.SpotlessExtension> {
+        kotlin {
+            target("**/*.kt")
+            targetExclude("${layout.buildDirectory.get()}/**/*.kt", "bin/**/*.kt")
+            ktlint()
+            licenseHeaderFile(rootProject.file("spotless/copyright.kt"))
+        }
+        kotlinGradle {
+            target("build.gradle.kts") // Target build.gradle.kts in each subproject
+            ktlint()
+            licenseHeaderFile(rootProject.file("spotless/copyright.kts"), """(^(?![\\/ ]\\*).*$)""")
+        }
+        // Removed problematic format("kts") block. build.gradle.kts for subprojects will be handled by kotlinGradle.
+        format("xml") {
+            target("**/*.xml")
+            targetExclude("**/build/**/*.xml")
+            licenseHeaderFile(rootProject.file("spotless/copyright.xml"), "(<[^!?])")
+        }
+    }
+}
+
+tasks.withType<DokkaMultiModuleTask>().configureEach {
+    moduleName.set("Why Not! Image Carousel!")
+    outputDirectory.set(rootProject.file("docs/api"))
+    failOnWarning.set(true)
+
+    // dokkaPlugins is the modern way, but pluginsMapConfiguration might still work.
+    // If issues arise, this is an area to check.
+    // For now, keeping it similar to the original:
+    pluginsMapConfiguration.set(
+        mapOf(
+            "org.jetbrains.dokka.base.DokkaBase" to """{
+              "footerMessage": "Copyright © 2021 Md. Mahmudul Hasan Shohag"
+            }""",
+        ),
+    )
+}

gradle.properties

@@ -19,4 +19,7 @@ android.useAndroidX=true
 kotlin.code.style=official
 # ------------------------------------------------------------
 android.nonTransitiveRClass=false
-android.nonFinalResIds=false
+android.nonFinalResIds=false
+
+# Version name for the sample app, and potentially for the library if not hardcoded in publishing
+VERSION_NAME=2.1.1

gradle/libs.versions.toml

@@ -0,0 +1,80 @@
+# This file defines the versions, libraries, and plugins used by the project.
+# For more information, see: https://docs.gradle.org/current/userguide/platforms.html#sub:version-catalog-format
+
+[versions]
+agp = "8.10.1"
+kotlin = "2.1.21"
+ksp = "2.1.21-2.0.2" # Note: KSP version is often tightly coupled with Kotlin version
+dokka = "2.0.0"
+spotless = "7.0.4"
+mavenPublish = "0.33.0" # Updated to latest version
+
+# Android SDK versions
+compileSdk = "36"
+minSdk = "21"
+targetSdk = "36"
+javaVersion = "17"
+
+# Build tools / Linters
+ktlintVersion = "0.45.2" # Bundled with Spotless 7.0.4
+
+# Dependencies
+junit = "4.13.2"
+androidxTestCore = "1.6.1"
+androidxTestExtJunit = "1.2.1"
+androidxTestRunner = "1.6.2"
+androidxTestRules = "1.6.1"
+androidxEspressoCore = "3.6.1"
+# androidxEspressoIntents uses the same version as androidxEspressoCore
+androidxAppcompat = "1.7.1"
+androidxCoreKtx = "1.16.0"
+androidxConstraintlayout = "2.2.1"
+material = "1.12.0"
+circleindicator = "2.1.6"
+glide = "4.16.0"
+androidxFragmentKtx = "1.8.8"
+leakcanary = "2.14"
+androidxRecyclerview = "1.4.0"
+
+
+[libraries]
+# Kotlin
+kotlin-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }
+
+# AndroidX Test
+androidx-test-coreKtx = { group = "androidx.test", name = "core-ktx", version.ref = "androidxTestCore" }
+androidx-test-ext-junit = { group = "androidx.test.ext", name = "junit", version.ref = "androidxTestExtJunit" }
+androidx-test-runner = { group = "androidx.test", name = "runner", version.ref = "androidxTestRunner" }
+androidx-test-rules = { group = "androidx.test", name = "rules", version.ref = "androidxTestRules" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "androidxEspressoCore" }
+androidx-espresso-intents = { group = "androidx.test.espresso", name = "espresso-intents", version.ref = "androidxEspressoCore" }
+
+# AndroidX UI & Core
+androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "androidxAppcompat" }
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "androidxCoreKtx" }
+androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "androidxConstraintlayout" }
+androidx-fragment-ktx = { group = "androidx.fragment", name = "fragment-ktx", version.ref = "androidxFragmentKtx" }
+androidx-recyclerview = { group = "androidx.recyclerview", name = "recyclerview", version.ref = "androidxRecyclerview" }
+
+# Google
+material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+
+# Third-party
+circleindicator = { group = "me.relex", name = "circleindicator", version.ref = "circleindicator" }
+glide = { group = "com.github.bumptech.glide", name = "glide", version.ref = "glide" }
+leakcanary-android = { group = "com.squareup.leakcanary", name = "leakcanary-android", version.ref = "leakcanary" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+android-library = { id = "com.android.library", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
+spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }
+dokka = { id = "org.jetbrains.dokka", version.ref = "dokka" }
+mavenPublish = { id = "com.vanniktech.maven.publish", version.ref = "mavenPublish" }
+
+[bundles]
+# Example: androidx-test-implementations = ["androidx-test-core", "androidx-test-ext-junit", ...]
+# Can be added later if useful.