[Android Studio] How to rename the package name in an android studio? (안드로이드 스튜디오에서 패키지명 변경)

1. Android > Setting Icon > Uncheck - Compact Middle Packages

[Before]

[After]

 

 

2. Select target package name > Mouse Right button > Refactor > Rename...

 

 

3. Rename All

 

 

4. Input name > Refactor or Preview and then Refactor

 

 

5. Open App Gradle > Change the applicationId

 

 

6. Re-build