Category Archives: XCode

React Native bundle loading failing on a physical device

I’m building a React Native application and recently updated to v0.31.0 and at first things were working well debugging on the device benefiting from a feature of the react-native-xcode.sh script. The script copies your Dev machine’s IP address to a text file called ip.txt which is used for establishing the connection to your machine from your device since localhost points to the wrong place. Here’s the line of code in ./node_modules/react-native/packager/react-native-xcode.sh:

echo "$IP.xip.io" > "$DEST/ip.txt"

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Upgrading an iOS project from Xcode 6 to 7

At work I’m in the midst of upgrading Find&Save to Xcode 7 and in this post I thought I would capture the issues I ran into while migrating our app to the latest build tools. I decided to keep my Xcode 6 install by renaming it “Xcode 6” and installing Xcode 7 along side it and all that worked pretty seamlessly (though keep reading because the AppStore updates will bite you). Once installed I opened our project workspace and hit Project | Build and thus began the journey of our migration.
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bad interpreter: No such file or directory

In XCode I ran into an error which was the result of a (my) bad merge that caused this problem when building an app:

/bin/sh: /Users/strefethen/github/iPhoneGeo/Build/iPhoneGeo/Build/Intermediates/iPhoneGeo.build/Debug-iphonesimulator/iPhoneGeo.build/Script-22C5773E1BB449FF00E72A71.sh: (null): bad interpreter: No such file or directory

The issue was that the Shell command for the Build Phase had gotten removed:
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