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how to overcome Android Studio cannot resolve symbol for android classes

Posted by: admin April 23, 2020 Leave a comment

Questions:

I’v just installed Android Studio 0.8.2 for my first time and I have a lot of “Cannot resolve symbol” errors.
The errors occur on both new projects and projects which were exported from eclipse.

JDK version: jdk1.8.0_11

Android studio errors:
Android studio errors

Project’s grade file
enter image description here

How to&Answers:

In the menu bar

Select tools>-android>-SDK manager

and download the SDK build tools, SDK platform and Google API’s( the Google API stores packages such as “import android.view.Menu” etc.) for the target SDK version of your project(20 as shown in your screenshot).
if you are not sure which items you have to download , you can select all of them.(will take more time to download of course).

Restart the IDE

Answer:

You can do “File” -> “Invalidate Caches…”, and select “Invalidate and Restart” option to fix this.

Answer:

Android Studio suddenly cannot resolve symbols helped:

  • Exit Android Studio
  • Back up your project
  • Delete all the .iml files and the .idea folder
  • Relaunch Android Studio and reimport your project

Answer:

If your library is an androidx one and never worked before, the problem is likely the one described in this other question instead.

Answer:

I run into the same problem, i solved it by performing a clean project. To do this go to;

Select build>-clean project>