How to change the “Bundle Identifier” within React Native?

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Based on the react-native version you are using there are bunch of files that have to be changed on both platforms (android and ios)

List of files to edit:

IOS

  1. [application_build_scheem].plist (this is a dict/xml file that contains keys that are used by default if no changes added to project (react-native-cli init type of project)

ANDROID

  1. strings.xml (change app_name key value)
  2. manifest.xml (change package attribute)
  3. build.gradle (change applicationId value)
  4. MainActivity.java (change java class package)
  5. MainApplication.java (change java class package)

It’s worth mentioning that there is an an npm module (https://www.npmjs.com/package/react-native-ci-tools) that does all of the above; use it and make life easy.

Update (6/Mar/2019)

Update Folder Paths:

We also need to change the folder paths to match new name — change com.oldName to com.newname.mobile, then change folder paths from app/src/java/com/oldName/ to app/src/java/com/newname/mobile/.

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