Change Display Name and Package Name in React Native

reactnative.md

Delete Folder android and ios

$ rm -rf android
$ rm -rf ios

Change name in app.json and package.json for change package name

app.json

"name": "dutainformasi.siakad",
...

package.json

"name": "dutainformasi.siakad",
...

Change displayName in app.json for change Label Name

...
"displayName": "Sistem Informasi Akademik"
...

Create new android folder, ios folder

$ react-native eject
$ react-native link