android-studio - 为什么要在 Android 项目中复制文件夹？

Question

我发现在过去的几年中，许多程序在 Android Studio 中保持看似重复的“项目文件夹”，这是为什么？

更详细一点，如果你导入他们的项目，如果你看一下那里的文件夹结构，就会有这样的东西:

Java

|--com.myproject.spaceInvader

|--com.myproject.spaceInvader(测试)

|--com.myproject.spaceInvader(alphaTest)

这些是什么？由第 3 方测试工具生成的东西？

Answer 1

当您在 Android Studio 中创建项目时，它有一个 standard structure :

来自 official documentation :

主要

Contains the "main" sourceset files: the Android code and resources shared by all build variants (files for other build variants reside in sibling directories, such as src/debug/ for the debug build type). AndroidManifest.xml Describes the nature of the application and each of its components. For more information, see the AndroidManifest.xml documentation. java/ Contains Java code sources.

测试

Contains code for local tests that run on your host JVM.

android测试

Contains code for instrumentation tests that run on an Android device. For more information, see the Android Test documentation.