Android Studio 无法解析符号但代码正确执行 [英] Android Studio cannot resolve symbol but code executes correctly
问题描述
我最近创建了一个库 Jar 文件,并将其导入到我的 Android 项目中.我能够调用函数并使用此 Jar 文件中存在的类,但 Android Studio 一直告诉我它无法解析我正在使用的类的符号".请看下面的截图:
I have recently created a library Jar file that I imported in my Android project. I am able to call functions and use classes that are present in this Jar file, but Android Studio keeps telling me that it cannot "resolve symbol" of the class I am using. Please see the screenshot below:
代码构建并成功执行.函数 isThisThingWorking()
只返回 true
,而这正是 boolean blah
设置的内容.
The code builds and executes successfully. The function isThisThingWorking()
simply returns true
, and that is just what boolean blah
gets set to.
我尝试按下 Sync Project with Gradle Files
按钮并使用 Android Studio 的 File
中的 Invalidate Caches/Restart...
选项菜单,但这些都没有解决问题.我该怎么做才能让 Android Studio IDE 不显示 Cannot resolve symbol 'xxxSDK'
错误?
I have tried pressing the Sync Project with Gradle Files
button and using the Invalidate Caches / Restart...
option from Android Studio's File
menu, but none of this solved the issue. What can I do to make the Android Studio IDE not display the Cannot resolve symbol 'xxxSDK'
error?
推荐答案
对于大多数人来说,Senthil 的回答 会更合适.我将此作为已接受的答案,因为它解决了我的具体问题.
For most folks, Senthil's answer will be more appropriate. I am leaving this one as the accepted answer because it solved my specific problem.
我发现了问题 - 我的 SDK.jar
没有正确生成.它包含 .java
文件而不是 .class
文件.这解释了为什么 IDE 无法找到 SDK 类.Jar 中的包结构仍然正确,这就是为什么包名本身不是红色的原因.代码运行正常,因为编译器知道编译 .java
文件.
I found the issue - my SDK.jar
was not generated correctly. It included .java
files instead of .class
files. This explains why the IDE was not able to find the SDK class. The package structure was still correct in the Jar, which is why the package name itself is not a red color. The code worked correctly, because the compiler knew to compile the .java
files.
为了解决这个问题,我修改了我的 SDK 项目的 build.gradle
以包含 .class
文件,而不是 .java
文件, 在创建 Jar 时.包含这个新 Jar 而不是旧 Jar 解决了 IDE 问题.
To solve the issue, I modified my build.gradle
of my SDK project to include .class
files, instead of .java
files, when creating the Jar. Including this new Jar instead of the old Jar fixed the IDE issue.
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