Gradle构建找不到方法 [英] Gradle build can't find method

问题描述

我正在关注开始Android版开发课程在Pluralsight。我们正准备添加测试。说明说要添加 androidTestCompile'c​​om.android.support.test.espresso：espresso-core：2.2.2'到 build.gradle file：

I'm following through the Start Developing for Android course in Pluralsight. We're just about to add tests. The instructions say to add add androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2' to the build.gradle file:

// Top-level build file where you can add configuration options common to 

all sub-projects/modules.

buildscript {
  repositories {
    jcenter()
  }
  dependencies {
    classpath 'com.android.tools.build:gradle:2.2.1'

    // NOTE: Do not place your application dependencies here; they belong
    // in the individual module build.gradle files
  }
}

allprojects {
  repositories {
    jcenter()
  }

  dependencies {
    androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2'
  }
}

执行此操作后，IntelliJ告诉我，当Gradle文件发生变化时，需要再次同步。当我这样做但我收到以下错误：

After doing this IntelliJ tells me that as the Gradle file has changed, it needs to sync again. When I do it though I get the following error:

错误：

15:17   Gradle sync failed: Could not find method androidTestCompile() for arguments [com.android.support.test.espresso:espresso-core:2.2.1] on object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.
            Consult IDE log for more details (Help | Show Log)

注意：我试过版本 2.2.1 和 2.2.2 。

什么是在这里？

谢谢

推荐答案

应该添加依赖项到 app 模块的 build.gradle 。在您的情况下，您添加到父项目的 build.gradle 。

The dependency should be added to the build.gradle of the app module. In your case you added to the build.gradle of parent project.

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