gradle插件开发

plugins {
    id 'org.jetbrains.kotlin.jvm' version '1.7.0'// Kotlin
}

dependencies {
    implementation gradleApi()
}

repositories {
    google()
    mavenCentral()
}

open class FirstPlugin : Plugin<Project> {
    override fun apply(project: Project) {
        project.tasks.create("testPlugin", MyTask::class.java) {
            it.group = "channel"
            it.description = "插件测试"
        }
    }
}

open class MyTask : DefaultTask() {
    @TaskAction
    fun doSomething() {
        val android = project.extensions.findByName("android")
        val def = DefaultGroovyMethods.getAt(android, "defaultConfig")
        println("def===========$def")

        val version = DefaultGroovyMethods.getAt(def, "versionCode")
        val applicationId = DefaultGroovyMethods.getAt(def, "applicationId")

        println("version=======$version")
        println("applicationId=======$applicationId")
    }
}