migrate gradle build configuration to kotlin DSL.

Author: Targholi

app/build.gradle

@@ -1,94 +1,66 @@
 plugins {
-    id 'com.android.application'
-    id 'kotlin-android'
-    id 'kotlin-android-extensions'
-    id 'kotlin-kapt'
-    id 'dagger.hilt.android.plugin'
-    id "androidx.navigation.safeargs.kotlin"
+    id("com.android.application")
+    id("kotlin-android")
+    id("kotlin-android-extensions")
+    id("kotlin-kapt")
+    id("dagger.hilt.android.plugin")
+    id("androidx.navigation.safeargs.kotlin")
 }
 
 android {
-    compileSdk 31
+    compileSdk(AppConfig.compileSdk)
+//    buildToolsVersion(AppConfig.buildToolsVersion)
 
     defaultConfig {
-        applicationId "com.milad.githoob"
-        minSdk 21
-        targetSdk 31
-        versionCode 1
-        versionName "1.0"
+        applicationId = AppConfig.applicationId
+        minSdkVersion(AppConfig.minSdk)
+        targetSdkVersion(AppConfig.targetSdk)
+        versionCode = AppConfig.versionCode
+        versionName = AppConfig.versionName
 
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner = AppConfig.androidTestInstrumentation
     }
 
     buildTypes {
         release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            minifyEnabled = false
+            proguardFiles(
+                    getDefaultProguardFile("proguard-android-optimize.txt"),
+                    "proguard-rules.pro"
+            )
         }
     }
+
+    flavorDimensions(AppConfig.dimension)
+    productFlavors {
+        create("staging") {
+            applicationIdSuffix = ".staging"
+            setDimension(AppConfig.dimension)
+        }
+
+        create("production") {
+            setDimension(AppConfig.dimension)
+        }
+    }
+
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = AppConfig.jvmTarget
     }
     buildFeatures {
-        viewBinding true
-        dataBinding true
+        viewBinding = true
+        dataBinding = true
     }
 }
 
 dependencies {
-
-    implementation 'androidx.core:core-ktx:1.6.0'
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation 'com.google.android.material:material:1.5.0-alpha04'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
-
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.5'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.3.5'
-
-    // Coroutines
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.0'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0'
-    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.2.1'
-
-    testImplementation 'junit:junit:'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-
-    // Coroutine Lifecycle Scopes
-    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1"
-    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.3.1"
-    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
-    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
-
-    implementation "androidx.activity:activity-ktx:1.3.1"
-
-    implementation 'android.arch.lifecycle:extensions:1.1.1'
-
-    implementation 'com.google.code.gson:gson:2.8.7'
-    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
-    implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
-    implementation "com.squareup.okhttp3:logging-interceptor:4.5.0"
-
-    implementation "com.google.dagger:hilt-android:2.39"
-    kapt "com.google.dagger:hilt-compiler:2.38.1"
-    implementation "androidx.hilt:hilt-lifecycle-viewmodel:1.0.0-alpha03"
-    kapt "androidx.hilt:hilt-compiler:1.0.0"
-
-    // Glide dependency
-    implementation 'com.github.bumptech.glide:glide:4.12.0'
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'
-    implementation 'jp.wasabeef:glide-transformations:3.0.1'
-
-    implementation "androidx.datastore:datastore-preferences:1.0.0"
-
-    implementation 'com.jakewharton.timber:timber:5.0.1'
-
-    implementation "io.noties.markwon:core:4.6.2"
-    implementation "io.noties.markwon:html:4.6.2"
-    implementation "io.noties.markwon:image:4.6.2"
+//  implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
+    implementation(AppDependencies.appLibraries)
+    kapt(AppDependencies.kaptLibraries)
+    annotationProcessor(AppDependencies.annotationLibraries)
+    testImplementation(AppDependencies.testLibraries)
+    androidTestImplementation(AppDependencies.androidTestLibraries)
 }

build.gradle

@@ -0,0 +1,19 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath("com.android.tools.build:gradle:${Versions.gradle}")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${Versions.kotlin}")
+        classpath("com.google.dagger:hilt-android-gradle-plugin:${Versions.hilt}")
+        classpath("androidx.navigation:navigation-safe-args-gradle-plugin:${Versions.safeArgs}")
+    }
+}
+
+tasks {
+    register("clean", Delete::class) {
+        delete(rootProject.buildDir)
+    }
+}

build.gradle.kts

@@ -0,0 +1,9 @@
+import org.gradle.kotlin.dsl.`kotlin-dsl`
+
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    jcenter()
+}

buildSrc/build.gradle.kts

@@ -0,0 +1,14 @@
+object AppConfig {
+    const val compileSdk = 31
+    const val minSdk = 21
+    const val targetSdk = 31
+    const val versionCode = 1
+    const val versionName = "1.0.0"
+    const val buildToolsVersion = "29.0.3"
+    const val applicationId = "com.milad.githoob"
+    const val jvmTarget = "1.8"
+
+    const val androidTestInstrumentation = "androidx.test.runner.AndroidJUnitRunner"
+    const val proguardConsumerRules = "consumer-rules.pro"
+    const val dimension = "environment"
+}

buildSrc/src/main/java/AppConfig.kt

@@ -0,0 +1,131 @@
+import org.gradle.api.artifacts.dsl.DependencyHandler
+
+object AppDependencies {
+    //android ui base
+    private val appcompat = "androidx.appcompat:appcompat:${Versions.appcompat}"
+    private val coreKtx = "androidx.core:core-ktx:${Versions.coreKtx}"
+    private val material = "com.google.android.material:material:${Versions.material}"
+    private val constraintLayout = "androidx.constraintlayout:constraintlayout:${Versions.constraintLayout}"
+    private val recyclerview = "androidx.recyclerview:recyclerview:${Versions.recyclerview}"
+    private val legacy = "androidx.legacy:legacy-support-v4:${Versions.legacy}"
+    private val activity = "androidx.activity:activity-ktx:${Versions.activity}"
+
+    // jetpack navigation
+    private val navigationFragment = "androidx.navigation:navigation-fragment-ktx:${Versions.navigation}"
+    private val navigationUi = "androidx.navigation:navigation-fragment-ktx:${Versions.navigation}"
+
+    // Coroutines
+    private val coroutinesCore = "org.jetbrains.kotlinx:kotlinx-coroutines-core:${Versions.coroutinesCore}"
+    private val coroutinesAndroid = "org.jetbrains.kotlinx:kotlinx-coroutines-android:${Versions.coroutinesAndroid}"
+
+    //  lifecycle
+    private val lifecycleViewmodel = "androidx.lifecycle:lifecycle-viewmodel-ktx:${Versions.lifecycleScope}"
+    private val lifecycleRuntime = "androidx.lifecycle:lifecycle-runtime-ktx:${Versions.lifecycleScope}"
+    private val lifecycleLivedata = "androidx.lifecycle:lifecycle-livedata-ktx:${Versions.lifecycleScope}"
+    private val lifecycleExtensions = "androidx.lifecycle:lifecycle-extensions:${Versions.lifecycleScope_extensions}"
+    private val lifecycleArch = "android.arch.lifecycle:extensions:${Versions.lifecycleArch}"
+
+    //  network and gson
+    private val gson ="com.google.code.gson:gson:${Versions.gson}"
+    private val retrofit ="com.squareup.retrofit2:retrofit:${Versions.retrofit}"
+    private val retrofitGson ="com.squareup.retrofit2:converter-gson:${Versions.retrofit}"
+    private val okhttpLogging="com.squareup.okhttp3:logging-interceptor:${Versions.okhttpLogging}"
+
+    //test libs
+    private val junit = "junit:junit:${Versions.junit}"
+    private val extJUnit = "androidx.test.ext:junit:${Versions.extJunit}"
+    private val espressoCore = "androidx.test.espresso:espresso-core:${Versions.espresso}"
+
+    //  hilt
+    private val hilt_android = "com.google.dagger:hilt-android:${Versions.hilt_android}"
+    private val hilt_compiler = "com.google.dagger:hilt-compiler:${Versions.hilt_compiler}"
+    private val hilt_lifecycle = "androidx.hilt:hilt-lifecycle-viewmodel:${Versions.hilt_lifecycle}"
+    private val hilt_androidx = "androidx.hilt:hilt-compiler:${Versions.hilt_androidx}"
+
+    // Glide
+    private val glide="com.github.bumptech.glide:glide:${Versions.glide}"
+    private val glide_compiler="com.github.bumptech.glide:compiler:${Versions.glide_compiler}"
+    private val glide_transformations="jp.wasabeef:glide-transformations:${Versions.glide_transformations}"
+
+    private val datastore= "androidx.datastore:datastore-preferences:${Versions.datastore}"
+    private val timber = "com.jakewharton.timber:timber:${Versions.timber}"
+    private val markwon_core= "io.noties.markwon:core:${Versions.markwon}"
+    private val markwon_html= "io.noties.markwon:html:${Versions.markwon}"
+    private val markwon_image= "io.noties.markwon:image:${Versions.markwon}"
+
+
+    val appLibraries = arrayListOf<String>().apply {
+        add(appcompat)
+        add(coreKtx)
+        add(material)
+        add(constraintLayout)
+        add(recyclerview)
+        add(legacy)
+        add(activity)
+        add(navigationFragment)
+        add(navigationUi)
+        add(coroutinesCore)
+        add(coroutinesAndroid)
+        add(lifecycleViewmodel)
+        add(lifecycleRuntime)
+        add(lifecycleLivedata)
+        add(lifecycleExtensions)
+        add(lifecycleArch)
+        add(gson)
+        add(retrofit)
+        add(retrofitGson)
+        add(okhttpLogging)
+        add(hilt_android)
+        add(hilt_lifecycle)
+        add(glide)
+        add(glide_transformations)
+        add(datastore)
+        add(timber)
+        add(markwon_core)
+        add(markwon_html)
+        add(markwon_image)
+    }
+
+    val annotationLibraries = arrayListOf<String>().apply {
+        add(glide_compiler)
+    }
+
+    val kaptLibraries = arrayListOf<String>().apply {
+        add(hilt_androidx)
+        add(hilt_compiler)
+    }
+
+    val androidTestLibraries = arrayListOf<String>().apply {
+        add(extJUnit)
+        add(espressoCore)
+    }
+
+    val testLibraries = arrayListOf<String>().apply {
+        add(junit)
+    }
+}
+
+//util functions for adding the different type dependencies from build.gradle file
+fun DependencyHandler.kapt(list: List<String>) {
+    list.forEach { dependency ->
+        add("kapt", dependency)
+    }
+}
+
+fun DependencyHandler.implementation(list: List<String>) {
+    list.forEach { dependency ->
+        add("implementation", dependency)
+    }
+}
+
+fun DependencyHandler.androidTestImplementation(list: List<String>) {
+    list.forEach { dependency ->
+        add("androidTestImplementation", dependency)
+    }
+}
+
+fun DependencyHandler.testImplementation(list: List<String>) {
+    list.forEach { dependency ->
+        add("testImplementation", dependency)
+    }
+}

buildSrc/src/main/java/AppDependencies.kt

@@ -0,0 +1,49 @@
+object Versions {
+
+    //app level
+    const val gradle = "7.1.1"
+
+    const val kotlin = "1.6.21"
+    const val hilt = "2.38.1"
+    const val safeArgs = "2.3.5"
+
+    //libs
+    val coreKtx = "1.6.0"
+
+    val appcompat = "1.3.1"
+    val material = "1.5.0-alpha04"
+    val constraintLayout = "2.1.1"
+    val navigation = "2.3.5"
+    val recyclerview = "1.2.1"
+    val legacy = "1.0.0"
+    val activity = "1.3.1"
+
+    val coroutinesCore = "1.5.0"
+    val coroutinesAndroid = "1.5.0"
+
+    val lifecycleScope = "2.3.1"
+    val lifecycleScope_extensions = "2.2.0"
+    val lifecycleArch = "1.1.1"
+
+    val gson = "2.8.7"
+    val retrofit = "2.9.0"
+    val okhttpLogging = "4.5.0"
+
+    val hilt_android = "2.39"
+    val hilt_compiler = "2.38.1"
+    val hilt_lifecycle = "1.0.0-alpha03"
+    val hilt_androidx = "1.0.0"
+
+    val glide = "4.12.0"
+    val glide_compiler = "4.11.0"
+    val glide_transformations = "3.0.1"
+
+    val markwon = "4.6.2"
+    val timber = "5.0.1"
+    val datastore = "1.0.0"
+
+    //test
+    val junit = "4.12"
+    val extJunit = "1.1.3"
+    val espresso = "3.4.0"
+}

buildSrc/src/main/java/Versions.kt

@@ -6,5 +6,6 @@ dependencyResolutionManagement {
         jcenter() // Warning: this repository is going to shut down soon
     }
 }
+
+include(":app")
 rootProject.name = "GitHoob"
-include ':app'