Gradle：构建Android库后如何运行自定义任务？ [英] Gradle: How to run custom task after an Android Library is built?

问题描述

我有一个Android库，它正在生成debug.aar和release.aar，我需要将release.aar复制到另一个文件夹中，以引用项目的其他部分。

I have an Android Library, it's generating a debug.aar and a release.aar, I need to copy the release.aar to another folder as a reference to other part of the project.

我现在要做的是在这个Android库build.gradle中定义一个任务：

What I've done now is in this Android Library build.gradle I defined a task:

task copyAARToCommonLibs(type: Copy) {
    from('../build/outputs/aar') {
        include '*-release.arr'
    }
    into '../SomeSampleApps/libs'
}

我正在尝试在生成了arr，我假设它是assembleRelease阶段，因此我在此build.gradle中尝试了此操作。

I'm trying to run this task after the arr is generated, which I assume is assembleRelease stage, so I tried do this in this build.gradle

assembleRelease.doLast{
   copyAARToCommonLibs
}

我使用

 gradle build

但是

我也尝试过这样做：

 applicationVariants.all { variant ->
     variant.assemble.doLast {
         copyAARToCommonLibs
     }
 }

内部android {}属性（我想这就是它的名字吗？）
正在运行gradle构建，出现此错误：找不到属性'applicationVariants'

inside android{} property(I guess that's what it's called?) Running gradle build, got this error: Could not find property 'applicationVariants'

然后我遇到了以下代码段：

I then came across this snippet:

tasks.withType(JavaCompile) { compileTask -> compileTask.dependsOn copyAARToCommonLibs }

但这似乎使任务在编译后即可运行，我不

But it seems this makes the task to run after compiling, I don't know exactly how to modify this to run after assemble.

有人可以请我纠正我做错的地方，以及如何在.arr文件保存后使此复制任务正常工作。

Could someone please correct me where I did wrong and how can I get this copy task work after the .arr file is generated?

推荐答案

似乎 finalizedBy 可能会有所帮助。

assembleRelease.finalizedBy(copyAARToCommonLibs)

请注意以下事实，您将不会定义依赖项：

Mind the fact that in the following way you won't define a dependency:

assembleRelease.doLast {
   copyAARToCommonLibs
}

实际上..它完全不执行任何操作。您需要执行任务：

actually.. it does exactly nothing. You need to execute the task:

assembleRelease.doLast {
   copyAARToCommonLibs.execute()
}

但不鼓励以以下方式运行任务，这是非常糟糕的做法。

but running task in the following way is discouraged and very bad practice.

您也可以尝试：

assembleRelease.doLast {
   copy {
      from('../build/outputs/aar') {
        include '*-release.aar'
      }
      into '../AscendonSDKSamples/libs'
   }
}

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