File not found in AppDelegate with React Native
24 Mar 2018
If you’re seeing the error x.h file not found
in AppDelegate.m in Xcode then try this solution:
https://github.com/facebook/react-native/issues/12077#issuecomment-302318906
If that doesn’t fix it then try:
https://github.com/facebook/react-native/issues/12077#issuecomment-318364850
This exact solution worked for me for RCTBundleURLProvider.h file not found
. I also used a similar solution to fix AppCenterReactNativeCrashes.h file not found
.