React Native Project Running from Xcode but not from command line

Question

I'm hitting a production breaking bug and the solution seems elusive, but tantalisingly close.

That odd thing is, the app runs on the simulator if I run from Xcode (With the play button), but when I run react-native run-ios it brings up the simulator and shows the splash screen, but then immediately fails out, with little to go on in the logs. I suspect something is not getting included when the app is run from command line that is included when run from xcode.

Can anyone with a better understanding of ios dev suggest any pointers?

What does "fails out" mean? Does the app display a white screen? Crash? Red error page? — Dan
– Dan, Commented Sep 22, 2017 at 9:30
Crashes. I get the 'app powered by react-native' screen, then immediate crash. No red error page at all. No logs either as far as I can tell. — P.Sermon
– P.Sermon, Commented Sep 22, 2017 at 9:52
In such cases, I used to open targeted simulator before running the command, in most of the case I use iPhone 6s simulator. Sometime react native app breaks if your default simulator is set to something higher than iPhone6s — Pankaj Upadhyay
– Pankaj Upadhyay, Commented Sep 29, 2018 at 20:57

mike · Accepted Answer · 2019-11-20 08:43:10Z

1

I had the same issue. Open Info.plist with notepad (not XCode) and look for errors. If you don't find any, try restarting XCode or your mac and do a clean build.

answered Nov 20, 2019 at 8:43

mike

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