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Questions tagged [xcode10.2]

For questions about the 10.2 version of Xcode. Use this tag in combination with the general [xcode] tag. If your question applies to Xcode more generally, use only the [xcode] tag.

151 questions
148
votes
18 answers

How to fix "SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0" error in Xcode 10.2?

I'm trying to run downloaded from app, try to open in Xcode and have an error: " Showing Recent Messages :-1: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0. (in target 'SimpleWeather')"
vlad uvarov
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131
votes
23 answers

Xcode 10.2 Update issue Build system error -1: Unable to load contents of file list: input/output xcfilelist

After upgrading to Xcode 10.2 I am getting 2 errors :-1: Unable to load contents of file list: 'xxxxx/Pods/Target Support Files/Pods-xxxx/Pods-xxxxx-frameworks-Debug-input-files.xcfilelist' (in target 'xxxxx') :-1: Unable to load contents of…
Diptendu Das
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77
votes
9 answers

Xcode 10.2 Failed to Run App on Simulator with iOS < 10

I was playing around with Xcode 10.2 since the update and when I try to run my app on ANY simulator with iOS version less than 10, the simulator will not start and crash then show the error below: dyld: Library not loaded: /usr/lib/libauto.dylib …
JyTee
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73
votes
15 answers

How to fix cocoapod .modulemap file not found

When I try to build my project, I get a compile time error saying that a "Module map file" for my pod cannot be found and that I am missing a "SwiftShimes" module. This is weird because all my modulemap files are where they should be when I install…
Kauna Mohammed
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53
votes
3 answers

UIWorkIntervalTiming workIntervalStart

Getting console log while scrolling ScrollView. Is there way to remove this? 2019-03-27 12:33:34.109573+0530 MyApp[10465:46241] [UIWorkIntervalTiming] workIntervalStart: startTimestamp > targetTimestamp; rolling forward by 1.116667
SPatel
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49
votes
6 answers

Is it possible to install Xcode 10.2 on High Sierra (10.13.6)?

I recently upgraded iOS in my iPhone device to 12.2 (to provide support of latest versions for my app "Match4app"), and this does not appear to be compatible with Xcode 10.1. Should I update Xcode to 10.2 ? In my Mac with High Sierra, when I click…
Pablo Alfonso
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37
votes
6 answers

This copy of libswiftCore.dylib requires an OS version prior to 12.2.0

The app crashes on launch when running from XCode 10.2 (before and after Swift 5.0 migration) with this on console This copy of libswiftCore.dylib requires an OS version prior to 12.2.0. I understand the error, but not sure what is required to…
msk
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27
votes
2 answers

Unable to run Swift Package Manager (macOS 10.14.4)

When I try 'swift package' in a terminal window, the following is displayed: dyld: Library not loaded: @rpath/llbuild.framework/Versions/A/llbuild Referenced from: /Library/Developer/CommandLineTools/usr/bin/swift-package Reason: image not…
ToddX61
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23
votes
6 answers

Swift class extensions and categories on Swift classes are not allowed to have +load methods

I have updated Xcode Version 10.2 (10E125) and testing on devices (not only simulator) I get this message when I execute the app: objc[3297]: Swift class extensions and categories on Swift classes are not allowed to have +load methods It's just…
Daniel Bastidas
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22
votes
7 answers

It appears that your application still contains the default signing identifier

The flutter app was working completely fine. After few days when i tried to run in ios device it said like this "open xcode and try product -> run and try fixing it . After doing this and still showed me the same error". Product -> run , flutter…
abhinandan_12
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22
votes
1 answer

UIAlertController and UIViewAlertForUnsatisfiableConstraints error

I upgraded to Xcode 10.2 yesterday and started using Swift 5 and notice this error when bringing up my UIAlertController photo prompt. I don't remember seeing it in Xcode 10.1 Will attempt to recover by breaking constraint…
bvh
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17
votes
2 answers

Invalid redeclaration of 'variable.storage' in Swift 4.2 after updating to Xcode 10.2

We have an iOS project. The Swift language version is 4.2. We were previously building it in Xcode 10.1 with no compile errors. After updating to Xcode 10.2 (but keeping Swift 4.2), the project is now riddled with errors like Invalid redeclaration…
Phlippie Bosman
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15
votes
2 answers

Swift error while starting app, after update to Xcode 10.2 beta 3

After updating Xcode to 10.2 beta 3, I receive this error while starting app, which will result in crash (app compiles successfully): objc[2140]: Swift class extensions and categories on Swift classes are not allowed to have +load methods (lldb)…
blaxckv
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14
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1 answer

New Swift 5 warnings for Objective-C enums: how to get rid of them?

As of Xcode 10.2, when using enums I've defined in Objective-C, but in a Swift 5 switch statement, I get the following warning, even if I've exhausted all the possible enum values. Switch covers known cases, but 'MyObjectiveCEnumName' may have…
Clay Bridges
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12
votes
3 answers

Xcode 10.2 unable to launch simulator

I have recently upgraded to xcode 10.2 and I am having a strange error. Whenever I try to launch my app I'm getting following error - Timed out trying to boot simulator after waiting 60.00s. I have even tried do a fresh install but no luck I am…
Rahul Vyas
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