Error: Android Studio cannot resolve symbol r
For all the instances of R.id., the R will be red and give an error stating, can not resolve symbol R.
The easiest solution to this is:
- Check the XML files. If you delete a particular tag, it may remain in the
.xmlfile and show an error. - Sync the project by going to “Tools” -> “Android” -> “Sync Project with Gradle Files.”
- If that doesn’t work, clean the project by going to “Build” -> “Clean Project.”
This should solve the error and let you to continue working on the project.
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