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曾经我们使用config.gradle文件进行版本依赖配置，然后在project的build.gradle.kts中使用如下方式引入：

apply(from = "./config.gradle")

缺点：在project的module中引用无任何提示，无法跳转到指定引用

一、创建version catalog文件

创建catalog文件步骤如上图，名称使用默认名libs（也可以修改名称，在settings中引入的时候使用修改的文件明就行）创建libs.version.toml

此文件生成之后在如下目录，此时文件不用在settings.gradle中进行配置，如果文件名不是libs还是需要自行引入。

建议：文件名仍然使用libs，但是将文件libs.versions.toml移动到Project的根目录，然后在settings.gradle中显示引入。

版本目录TOML文件格式，TOML 文件由 4 个主要部分组成：

1. [versions] 用于声明可以被依赖项引用的版本
2. [libraries] 用于声明引用的依赖包的别名
3. [bundles] 用于声明依赖包，可以将步骤2中定义的依赖包统一引入
4. [plugins] 用于声明插件

举例：

[versions]
groovy = "3.0.5"
ksp = "1.9.21-1.0.16"[libraries]
groovy-core = { module = "org.codehaus.groovy:groovy", version.ref = "groovy" }
groovy-json = { module = "org.codehaus.groovy:groovy-json", version.ref = "groovy" }
groovy-nio = { module = "org.codehaus.groovy:groovy-nio", version.ref = "groovy" }[bundles]
groovy = ["groovy-core", "groovy-json", "groovy-nio"][plugins]
ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }

例如在app.module中可以单独引入 libraties中的依赖包或者引入bundles中的一组依赖包

dependencies {implementation(libs.bundles.groovy)// 或者分开引入implementation(libs.groovy.core)implementation(libs.groovy.json)implementation(libs.groovy.nio)}

二、Settings.gradle中引入libs.versions.toml

dependencyResolutionManagement {......// 引入CatalogsversionCatalogs {create("libs") {from(files("./libs.versions.toml"))}}
}

三、在project build.gradle和module的build.gradle都能开始使用

libs.versions.toml文件

[versions]
compileSdk = "34"
minSdk = "24"
targetSdk = "34"
versionCode = "1"
versionName = "1.0"
# 插件
application = "8.3.2"
kotlin = "1.9.10"
ksp = "1.9.21-1.0.16"
# 三方库
core-ktx = "1.10.1"
appcompat = "1.6.1"
material = "1.10.0"
constraintlayout = "2.1.4"
junit = "4.13.2"
android-junit = "1.1.5"
espresso-core = "3.5.1"
room = "2.5.1"
moshi = "1.15.1"[libraries]
core-ktx = { module = "androidx.core:core-ktx", version.ref = "core-ktx" }
appcompat = { module = "androidx.appcompat:appcompat", version.ref = "appcompat" }
material = { module = "com.google.android.material:material", version.ref = "material" }
constraintlayout = { module = "androidx.constraintlayout:constraintlayout", version.ref = "constraintlayout" }
junit = { module = "junit:junit", version.ref = "junit" }
android-junit = { module = "androidx.test.ext:junit", version.ref = "android-junit" }
espresso-core  = { module = "androidx.test.espresso:espresso-core", version.ref = "espresso-core" }
room-runtime = { module = "androidx.room:room-runtime", version.ref = "room" }
room-compiler = { module = "androidx.room:room-compiler", version.ref = "room" }
room-ktx = { module = "androidx.room:room-ktx", version.ref = "room" }
room-testing = { module = "androidx.room:room-testing", version.ref = "room" }
moshi = { module = "com.squareup.moshi:moshi-kotlin-codegen", version.ref = "moshi" }[bundles]
room = ["room-runtime"][plugins]
application = { id = "com.android.application", version.ref = "application" }
kotlin = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }

3.1 引用插件

Project build.gradle

plugins {alias(libs.plugins.application) apply falsealias(libs.plugins.kotlin) apply falsealias(libs.plugins.ksp) apply false
}

App module build.gradle

plugins {alias(libs.plugins.application)alias(libs.plugins.kotlin)alias(libs.plugins.ksp)
}

3.2 引入版本

android {compileSdk = libs.versions.compileSdk.get().toInt()defaultConfig {applicationId = "xxxxxx"minSdk = libs.versions.minSdk.get().toInt()targetSdk = libs.versions.targetSdk.get().toInt()versionCode = libs.versions.versionCode.get().toInt()versionName = libs.versions.versionName.get()}}

3.3 引入依赖

dependencies {implementation(libs.core.ktx)implementation(libs.appcompat)implementation(libs.material)implementation(libs.constraintlayout)testImplementation(libs.junit)androidTestImplementation(libs.android.junit)androidTestImplementation(libs.espresso.core)// Roomimplementation(libs.room.runtime)annotationProcessor(libs.room.compiler)// To use Kotlin Symbol Processing (KSP)ksp(libs.room.compiler)// optional - Kotlin Extensions and Coroutines support for Roomimplementation(libs.room.ktx)// 测试数据库testImplementation(libs.room.testing)// moshiksp(libs.moshi)
}

代码：PractiseProject

参考

Android中国官网：将 build 迁移到版本目录

android官网：将 build 迁移到版本目录

Sharing dependency versions between projects

Using Plugins