use build src to externalize dependencies

app/build.gradle.kts

@@ -8,13 +8,13 @@ apply {
 }
 
 android {
-    compileSdk = 30
+    compileSdk = Versions.compileSdk
     buildToolsVersion = "30.0.3"
 
     defaultConfig {
         applicationId = "com.soulesidibe.todoapp"
-        minSdk = 21
-        targetSdk = 30
+        minSdk = Versions.minSdk
+        targetSdk = Versions.compileSdk
         versionCode = 1
         versionName = "1.0"
 
@@ -39,51 +39,47 @@ android {
     }
     kotlinOptions {
         jvmTarget = "1.8"
-        useIR = true
-
     }
     buildFeatures {
         compose = true
     }
     composeOptions {
-        kotlinCompilerExtensionVersion = rootProject.extra["compose_version"] as String
-//        kotlinCompilerVersion = "1.4.32"
-//        kotlinCompilerVersion = "1.5.10"
-        kotlinCompilerExtensionVersion = "1.0.0"
+        kotlinCompilerExtensionVersion = Versions.compose
+        kotlinCompilerExtensionVersion = Versions.compose
     }
 }
 
 dependencies {
     implementation(project(":domain"))
     implementation(project(":data"))
     implementation(project(":device"))
-    val koin_version = "3.1.2"
-    val compose_version = "1.0.0"
 
-    // Koin core features
-    implementation("io.insert-koin:koin-core:$koin_version")
-    // Koin test features
-    testImplementation("io.insert-koin:koin-test:$koin_version")
-    // Koin main features for Android (Scope,ViewModel ...)
-    implementation("io.insert-koin:koin-android:$koin_version")
+    implementation(Deps.koin_core)
+    implementation(Deps.koin_android)
+    implementation(Deps.androidx_core_ktx)
+    implementation(Deps.androidx_app_compat)
+    implementation(Deps.material)
+    implementation(Deps.androidx_compose_constraint_layout)
+    implementation(Deps.androidx_compose_navigation)
+    implementation(Deps.androidx_compose_material)
+    implementation(Deps.androidx_compose_ui)
+    implementation(Deps.androidx_compose_tooling)
+    implementation(Deps.androidx_compose_compiler)
+    implementation(Deps.androidx_compose_material_icons_core)
+    implementation(Deps.androidx_compose_material_icons_extended)
+    implementation(Deps.accompanist_system_ui_controller)
 
-    implementation("androidx.core:core-ktx:1.6.0")
-    implementation("androidx.appcompat:appcompat:1.3.1")
-    implementation("com.google.android.material:material:1.4.0")
-    implementation("androidx.constraintlayout:constraintlayout-compose:1.0.0-beta02")
-    implementation("androidx.navigation:navigation-compose:2.4.0-alpha06")
-    implementation("androidx.compose.material:material:${compose_version}")
-    implementation("androidx.compose.ui:ui:${compose_version}")
-    implementation("androidx.compose.ui:ui-tooling:${compose_version}")
-    implementation("androidx.compose.compiler:compiler:${compose_version}")
-    implementation("androidx.compose.material:material-icons-core:${compose_version}")
-    implementation("androidx.compose.material:material-icons-extended:${compose_version}")
-    implementation("com.google.accompanist:accompanist-systemuicontroller:0.16.1")
+    implementation(Deps.androidx_lifecycle_runtime)
+    implementation(Deps.androidx_compose_activity)
+    // Koin test features
+    androidTestImplementation(Deps.androidx_junit)
+    androidTestImplementation(Deps.androidx_espresso)
+    androidTestImplementation(Deps.androidx__compose_junit)
 
-    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.4.0-alpha03")
-    implementation("androidx.activity:activity-compose:1.3.1")
-    testImplementation("junit:junit:4.13.2")
-    androidTestImplementation("androidx.test.ext:junit:1.1.3")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
-    androidTestImplementation("androidx.compose.ui:ui-test-junit4:${compose_version}")
+    testImplementation(Deps.junit)
+    testImplementation(Deps.coroutines_test)
+    testImplementation(Deps.hamcrest)
+    testImplementation(Deps.mockito)
+    testImplementation(Deps.mockk)
+    testImplementation(Deps.koin_test)
 }

build.gradle.kts

@@ -1,12 +1,11 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    val compose_version by extra("1.0.0")
     repositories {
         google()
         mavenCentral()
     }
     dependencies {
-        classpath("com.android.tools.build:gradle:7.0.0")
+        classpath("com.android.tools.build:gradle:7.0.1")
         classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.10")
 
         // NOTE: Do not place your application dependencies here; they belong

buildSrc/build.gradle.kts

@@ -0,0 +1,9 @@
+plugins {
+    kotlin("jvm") version "1.5.0"
+}
+
+repositories {
+    google()
+    gradlePluginPortal()
+    mavenCentral()
+}

buildSrc/settings.gradle.kts

@@ -0,0 +1,7 @@
+pluginManagement {
+    repositories {
+        google()
+        gradlePluginPortal()
+        mavenCentral()
+    }
+}

buildSrc/src/main/kotlin/Deps.kt

@@ -0,0 +1,39 @@
+object Deps {
+    const val kotlin = "org.jetbrains.kotlin:kotlin-stdlib:${Versions.kotlin}"
+    const val coroutines_android = "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.1"
+    const val koin_core = "io.insert-koin:koin-core:${Versions.koin}"
+    const val koin_android = "io.insert-koin:koin-android:${Versions.koin}"
+    const val material = "com.google.android.material:material:1.4.0"
+    const val accompanist_system_ui_controller =
+        "com.google.accompanist:accompanist-systemuicontroller:0.16.1"
+
+    const val androidx_core_ktx = "androidx.core:core-ktx:1.6.0"
+    const val androidx_app_compat = "androidx.appcompat:appcompat:1.3.1"
+    const val androidx_room_runtime = "androidx.room:room-runtime:${Versions.room}"
+    const val androidx_room_ktx = "androidx.room:room-ktx:${Versions.room}"
+    const val androidx_room_compiler = "androidx.room:room-compiler:${Versions.room}"
+    const val androidx_lifecycle_runtime = "androidx.lifecycle:lifecycle-runtime-ktx:2.4.0-alpha03"
+
+    const val androidx_compose_constraint_layout =
+        "androidx.constraintlayout:constraintlayout-compose:1.0.0-beta02"
+    const val androidx_compose_navigation = "androidx.navigation:navigation-compose:2.4.0-alpha06"
+    const val androidx_compose_material = "androidx.compose.material:material:${Versions.compose}"
+    const val androidx_compose_ui = "androidx.compose.ui:ui:${Versions.compose}"
+    const val androidx_compose_tooling = "androidx.compose.ui:ui-tooling:${Versions.compose}"
+    const val androidx_compose_compiler = "androidx.compose.compiler:compiler:${Versions.compose}"
+    const val androidx_compose_material_icons_core =
+        "androidx.compose.material:material-icons-core:${Versions.compose}"
+    const val androidx_compose_material_icons_extended =
+        "androidx.compose.material:material-icons-extended:${Versions.compose}"
+    const val androidx_compose_activity = "androidx.activity:activity-compose:1.3.1"
+
+    const val junit = "junit:junit:4.13.2"
+    const val androidx__compose_junit = "androidx.compose.ui:ui-test-junit4:${Versions.compose}"
+    const val androidx_junit = "androidx.test.ext:junit:1.1.3"
+    const val androidx_espresso = "androidx.test.espresso:espresso-core:3.4.0"
+    const val coroutines_test = "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.5.1"
+    const val hamcrest = "org.hamcrest:hamcrest-all:1.3"
+    const val mockito = "org.mockito:mockito-core:3.9.0"
+    const val mockk = "io.mockk:mockk:1.12.0"
+    const val koin_test = "io.insert-koin:koin-test:${Versions.koin}"
+}

buildSrc/src/main/kotlin/Versions.kt

@@ -0,0 +1,8 @@
+object Versions {
+    const val minSdk = 21
+    const val compileSdk = 30
+    const val compose = "1.0.0"
+    const val room = "2.3.0"
+    const val koin = "3.1.2"
+    const val kotlin = "1.5.10"
+}

data/build.gradle

@@ -14,14 +14,14 @@ java {
 
 dependencies {
     implementation project(":domain")
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:1.5.10"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.1"
-    implementation("io.insert-koin:koin-core:3.1.2")
+    implementation(Deps.kotlin)
+    implementation(Deps.coroutines_android)
+    implementation(Deps.koin_core)
 
-    testImplementation("junit:junit:4.13.2")
-    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.5.1")
-    testImplementation("org.hamcrest:hamcrest-all:1.3")
-    testImplementation("org.mockito:mockito-core:3.9.0")
-    testImplementation("io.mockk:mockk:1.10.0")
-    testImplementation("io.insert-koin:koin-test:3.1.2")
+    testImplementation(Deps.junit)
+    testImplementation(Deps.coroutines_test)
+    testImplementation(Deps.hamcrest)
+    testImplementation(Deps.mockito)
+    testImplementation(Deps.mockk)
+    testImplementation(Deps.koin_test)
 }

device/build.gradle

@@ -13,18 +13,16 @@ android {
     defaultConfig {
         minSdk 21
         targetSdk 30
-        versionCode 1
-        versionName "1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles "consumer-rules.pro"
 
         javaCompileOptions {
             annotationProcessorOptions {
                 arguments += [
-                        "room.schemaLocation":"$projectDir/schemas".toString(),
-                        "room.incremental":"true",
-                        "room.expandProjection":"true"]
+                        "room.schemaLocation"  : "$projectDir/schemas".toString(),
+                        "room.incremental"     : "true",
+                        "room.expandProjection": "true"]
             }
         }
 
@@ -48,25 +46,26 @@ android {
 dependencies {
     implementation project(":data")
 
-    implementation("io.insert-koin:koin-core:3.1.2")
-    implementation "io.insert-koin:koin-android:3.1.2"
+    implementation(Deps.koin_core)
+    implementation(Deps.koin_android)
+    implementation(Deps.material)
 
-    implementation 'androidx.core:core-ktx:1.6.0'
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation 'com.google.android.material:material:1.4.0'
+    implementation(Deps.androidx_core_ktx)
+    implementation(Deps.androidx_app_compat)
+    implementation(Deps.material)
 
-    def room_version = "2.3.0"
-    implementation("androidx.room:room-runtime:$room_version")
-    implementation("androidx.room:room-ktx:$room_version")
-    kapt("androidx.room:room-compiler:$room_version")
+    implementation(Deps.androidx_room_runtime)
+    implementation(Deps.androidx_room_ktx)
+    kapt(Deps.androidx_room_compiler)
 
-    testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 
-    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.5.1")
-    testImplementation("org.hamcrest:hamcrest-all:1.3")
-    testImplementation("org.mockito:mockito-core:3.9.0")
-    testImplementation("io.mockk:mockk:1.10.0")
-    testImplementation("io.insert-koin:koin-test:3.1.2")
+    testImplementation Deps.junit
+    testImplementation(Deps.coroutines_test)
+    testImplementation(Deps.hamcrest)
+    testImplementation(Deps.mockito)
+    testImplementation(Deps.mockk)
+    testImplementation(Deps.koin_test)
+
+    androidTestImplementation Deps.androidx_junit
+    androidTestImplementation Deps.androidx_espresso
 }

domain/build.gradle

@@ -12,14 +12,14 @@ java {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:1.5.10"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.1"
-    implementation("io.insert-koin:koin-core:3.1.2")
+    implementation(Deps.kotlin)
+    implementation(Deps.coroutines_android)
+    implementation(Deps.koin_core)
 
-    testImplementation("junit:junit:4.13.2")
-    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.5.1")
-    testImplementation("org.hamcrest:hamcrest-all:1.3")
-    testImplementation("org.mockito:mockito-core:3.9.0")
-    testImplementation("io.mockk:mockk:1.10.0")
-    testImplementation("io.insert-koin:koin-test:3.1.2")
+    testImplementation(Deps.junit)
+    testImplementation(Deps.coroutines_test)
+    testImplementation(Deps.hamcrest)
+    testImplementation(Deps.mockito)
+    testImplementation(Deps.mockk)
+    testImplementation(Deps.koin_test)
 }