无法解析符号 JSONObject (Android Studio) [英] Cannont resolve symbol JSONObject (Android Studio)

问题描述

我在这花了两天时间.我可以在其他 PC 上工作，但我的 Android Studio 没有导入库，我拍了两张照片:

I have spent two days in this. I can work with other PC, but my Android Studio doesn´t import the library, I took two captures:

正如您在第一张图片中看到的，Android Studio 会自动完成我的行:

As yo can see in the first picture, Android Studio autocompletes my line:

然而:

我在 Android Developers 中阅读了 JSONObject(此处)和Android 将其包含在库中.我还尝试从org"导入其他库，但其中两个可以正常工作:

I was reading about JSONObject in Android Developers (here) and Android include this in library. I also have tried to import other libraries from "org", but just works fine two of them:

他们...我在想这可能是Android Studio的问题，我重新安装了IDE，错误仍然存​​在.

Them... I was thinking this might be a problem of Android Studio, and I reinstalled the IDE, the error persists.

我已经尝试在 gradle 中导入库(这是在 build.gradle 模块:app 中):

And I have tried to import the library in the gradle (this is in build.gradle module: app):

我用其他电脑工作，它运行良好，但我需要在我的电脑上修复这个问题.

I was working with other PC, it works well, but I need to fix this in my computer.

请，任何帮助将不胜感激.

Please, any help will be grateful.

推荐答案

如果有人有同样的错误，我会回复:

I´ll respond to the future, if someone has the same error:

我做到了(感谢 Bigdestroyer):

I did this (Thaks to Bigdestroyer):

File -> Invalidate caches/Restart -> Invalidate and Restart 

您可以尝试删除 ~/.gradle/caches 目录以强制重新下载依赖项.

You can try to delete ~/.gradle/caches directory to force re-download the dependencies.

现在它的工作完美了.谢谢 ！！！！

Now its works perfect. Thanks !!!!

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