问题描述

我正在编写一个 Android 应用程序，但它突然无法解析 MainActivity 中的符号 R.我以前遇到过这个问题，通常可以通过工具->android->syncProjectWithGradleFiles 解决，但这不起作用.相反，当我尝试这样做时，它会将我带到我的 AndroidManifest.xml 文件并给我消息:生成文件夹下的文件，不应编辑"如下图此外，这些错误显示如下:

I was programming an Android application when suddenly it was unable to resolve symbol R in my MainActivity. I have had this issue before and it is usually fixed by going to tools->android->syncProjectWithGradleFiles but this did not work. Instead when I attempt to do this it takes me to my AndroidManifest.xml file and gives me the message: "Files under the build folder are generated and should not be edited" shown below Furthermore, these errors are displayed below:

这些错误表明:没有找到与给定名称匹配的资源(在图标"处，值为@drawable/icon").这是我最近尝试添加的一项服务的一部分.所以我尝试在这里删除服务文本；但是，每当我删除服务文本时，每当我尝试再次将项目与 gradle 文件同步时，它就会不断被重新添加到 .xml 文件中.我已经重新构建了项目并清理了项目都返回了相同的错误...谁能帮我解决这个问题?

These errors specify that: No resource found that matches the given name (at 'icon' with value '@drawable/icon'). which is part of a service I recently tried to add. So I tried deleting the service text here; however whenever I delete the service text, it keeps being re-added to the .xml file whenever I attempt to sync the projects with gradle files again. I have re-built the project and cleaned the project both returning the same errors... Can anyone help me fix this?

推荐答案

这是因为你试图修改AndroidManifest的错误版本.当 Android Studio 发现错误时，它会向您显示位于 build 文件夹中的文件.打开app/src/main/AndroidManifest.xml，进行修改.

This is because you are trying to modify the wrong version of AndroidManifest. Android Studio shows you the file located in the build folder when it finds errors. Open app/src/main/AndroidManifest.xml and modify it.

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