Different Ways to fix “cannot resolve symbol R” in Android Studio
You
must have encountered the error “Cannot
resolve symbol R” many times while building android projects. When
you first create a new activity or new class, The R is red and Android Studio says it can’t recognize the symbol R. So you may
hover over the R symbol, press Alt
+ Enter to import missing appropriate files. But doing so
doesn’t fix this error. The letter R
stands for the Resource. This error occurs because of the incapability of
the build process to Sync Resource files with your projects. Usually, this
happens because of the improper build of the project.
Now the point
that comes here is how we can fix “cannot resolve symbol R” in Android Studio. So in this, we are going to discuss six different
methods to fix “cannot resolve symbol R” in Android Studio
Method: 1
Try the sync
Gradle. Just follow this path: File
> Sync project with Gradle Files
Method: 2
Make sure your package name is correct in AndroidManifest.xml. Because sometimes, the R file is not generated because
of package name in AndroidManifest does not match with the package module that
you have. You might need to check XML Files specifically if you have
followed the correct syntax for ids. Then clean the project.
Method: 3
Step 1: Clean the Project
To clean project: Click on Build > Clean project
Method: 4
Click
on “Build” and click on “Rebuild
Project”
You
may import com.example.your_project.R file in all your activities, do note that
this file is not Android.R but your project R file. All you have to do is add
this line to your activities import com.example.your_project.R.
Method:6
Try Invalidate
caches and restart. Just click on Files from the top left and choose the “Invalidate Caches / Restart” option.