Android Studio: Cannot perform refactoring operation

Changes Detected
Cannot perform refactoring operation.
There were changes in code after usages have been found.
Please perform usage search again.

If you came across this error while trying to rename and refactor your Android project in Android Studio, here are few tips that could be helpful,

1. Instead of refactoring your package, create a new package buy going to right click on java → New → Package,
2. Now move all files from old package to this package,
3. Delete the old package
4. Manually refactor your AndroidManifest.xml file
5. Also, manually refactor your projects build.gradle file
6. Clean build the project
7. That should be it!