Clarify that arm64 Simulators are not supported for MLKit #1018

jeancamilo · 2024-04-16T19:51:36Z

Hi guys, i'm getting this error every time I try to build for IOS.

Can anyone help me how to solve?
Right now, I'm using mobile_scanner 5.0.0-beta.3, because I know the mlkit was update in beta.3.

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navaronbracke · 2024-04-18T06:30:34Z

The first warning seems unrelated.

However, the second warning indicates that you're unable to build for arm64.
Since you have an ARM Mac, can you confirm that you are either testing on an ARM iOS Simulator or an ARM iOS device?

IIRC MLKit does support ARM and we also don't specify its exclusion in the podspec here https://github.com/juliansteenbakker/mobile_scanner/blob/master/ios/mobile_scanner.podspec

The Simulator is excluded, though, as specified on Cocoapods.org: https://github.com/CocoaPods/Specs/blob/master/Specs/b/5/4/MLKitBarcodeScanning/5.0.0/MLKitBarcodeScanning.podspec.json

Just to be sure, you specified building for the ARM64 architecture in your project settings?

jeancamilo · 2024-04-22T17:40:51Z

Thanks for your response @navaronbracke.
I'm trying to embed my application to a native one. So, the time native code try to build using my SDK, it shows me this error and I can't build.
I have these lines in my generated podspec: (maybe add "excluded archs arm64" works?)

s.ios.deployment_target = '12.0'
s.swift_version = '5.0'
s.static_framework = true
s.user_target_xcconfig = { 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
s.pod_target_xcconfig = { 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }

Build my Flutter application with mobile_scanner works well, but in this case, building my sdk in a native code, don't. I tried to build from an intel mac but I don't have success too.

jeancamilo · 2024-04-22T18:53:26Z

Update:
I added those configs to my podspec:

  s.user_target_xcconfig = { 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386 arm64 armv7' }
  s.pod_target_xcconfig = { 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386 arm64 armv7' }

And the error changed a little, but it persists :(

dgugolf · 2024-06-04T19:22:34Z

I have related issue when try to use different flavors for flutter on iOS, it says Unsupported swift architecture. No idea haw to fix it. So with default scheme it works, but If I make a copy of default one it says error.

parthpatel-simbiotik · 2024-06-05T14:58:43Z

I am also facing the same issue in v5.1.1. I am using XCode 15.4. Using MacBook Pro (M1 Pro)
Running on my iPhone 14 Pro Device

Please help how to fix this.

wdcs-vivekmakvana · 2024-06-14T12:31:23Z

Facing same issue... Any update on this.

GerlanStanley · 2024-07-11T16:39:18Z

I have related issue when try to use different flavors for flutter on iOS, it says Unsupported swift architecture. No idea haw to fix it. So with default scheme it works, but If I make a copy of default one it says error.

I had the same problem using flavors

fulstadev · 2024-07-31T19:13:42Z

I have related issue when try to use different flavors for flutter on iOS, it says Unsupported swift architecture. No idea haw to fix it. So with default scheme it works, but If I make a copy of default one it says error.

@juliansteenbakker I'm having the same exact problem, and also with the flutter_secure_storage package, also coming from steenbaker.dev.

I could unfortunately reproduce the problem over and over by following the official step-by-step guider for the setup of flutter ios flavors, tried to fix it, but I always get the exact same mentioned error; User-Defined Issue (Xcode): Unsupported Swift architecture, for the two mentioned packages.

I'm wondering if this may be a systematic error somewhere; or if not; do you know why this could happen?

GerlanStanley · 2024-07-31T19:35:40Z

I have related issue when try to use different flavors for flutter on iOS, it says Unsupported swift architecture. No idea haw to fix it. So with default scheme it works, but If I make a copy of default one it says error.

@juliansteenbakker I'm having the same exact problem, and also with the flutter_secure_storage package, also coming from steenbaker.dev.

I could unfortunately reproduce the problem over and over by following the official step-by-step guider for the setup of flutter ios flavors, tried to fix it, but I always get the exact same mentioned error; User-Defined Issue (Xcode): Unsupported Swift architecture, for the two mentioned packages.

I'm wondering if this may be a systematic error somewhere; or if not; do you know why this could happen?

For me what solved it was adding these lines to the Podfile:

post_install do |installer|
      # ADD THIS
      installer.pods_project.build_configurations.each do |config|
          config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64"
      end
      ...

navaronbracke · 2024-07-31T20:05:39Z

@GerlanStanley That workaround seems to align with the fact that arm64 is not supported, I wonder if we can make it supported (as on M1 Macs the simulators would be arm64)

fulstadev · 2024-08-01T10:53:42Z

But don't all of the current iOS devices use the arm64 architecture, isn't that rather modern and excluding it could be risky? Or am I completely wrong here?

navaronbracke · 2024-08-01T11:20:34Z

This is talking about arm64 iOS Simulators, not real devices. Presumably this is an issue that occurs only when developing on M1 Macs.

fulstadev · 2024-08-01T12:01:21Z

Okay I was worried that these things may not be explicitly separated from each other, as e.g. configuring the architecture for android releases in your gradle configs does not make that differentiation AFAIK. But FYI, I'm having the issue too and I'm developing on an M2 Mac, MacOS Sonoma 14.5, with the latest version of XCode (15.4) the latest stable release of Flutter, with an output of flutter doctor showing that everything's fine.

fulstadev · 2024-08-05T07:55:44Z

installer.pods_project.build_configurations.each do |config|
config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64"
end

just FYI, this did not work for me. I instead had to add it explicitly to the build settings of every target, using the following in my Podfile, then it worked:

post_install do |installer|
  installer.pods_project.targets.each do |target|
    flutter_additional_ios_build_settings(target)

    target.build_configurations.each do |config|

          config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64"

        end
  end
end

navaronbracke · 2024-08-05T08:43:29Z

Since this is specifically for arm64 iOS Simulators (I don't know if the reports of this bug also happen with Intel Macs),
I think what we can do is check if we are running on the iOS Simulator, and do:

A conditional import of MLKit
An early return with an "unsupported" mobile scanner error, since Simulators do not have a camera anyway

GeceGibi · 2024-10-14T08:10:04Z

Any changes ?

navaronbracke · 2024-10-14T09:01:58Z

We updated MLKit to version 7.0.0 in mobile_scanner 6.0.0. If that upgrade didn't help, then I do not have any updates.

antoinepemeja · 2024-10-23T01:06:30Z

same issue encountered with mobile_scanner: ^6.0.1

User-Defined Issue (Xcode): Unsupported Swift architecture

Had to modify podfile to exclude ARM64 as explain there #1018 (comment)

navaronbracke · 2024-10-23T07:17:16Z

It seems that this issue is listed in the MLKit "Known Issues", which I previously missed.

https://developers.google.com/ml-kit/known-issues#ios_issues

Simulators on M1-based Mac are not supported.

I'll add the arm64 simulator to our excluded archs as well, which should fix this issue.
I'll also add a documentation update for this.

navaronbracke · 2024-10-23T08:14:02Z

This should be fixed in version 6.0.2

navaronbracke · 2024-10-23T08:15:29Z

For anyone wanting to follow along with adding back support for arm64 Simulators, see #1225

vietanhdtd · 2024-12-17T11:38:00Z

I upgrade to version 6.0.2 and still can not run in simulator. Real device start normally.

mobile_scanner: ^6.0.2

Issue:


User-Defined Issue (Xcode): Unsupported Swift architecture

Apple silicon M2
Flutter version 3.27.1
Dart version 3.6.0
CocoaPods version 1.15.2
Xcode 15.4

Has anyone try 6.0.2 version and still happen error?

navaronbracke · 2024-12-17T13:25:36Z

Version 6.0.2 does not support arm64 iOS Simulators, as that version still uses MLKit for iOS.

You should switch to one of the version 7.0.0 betas, which restore support for the arm64 simulator.

navaronbracke added Apple Silicon Issues with Apple Silicon bug Something isn't working labels Jul 9, 2024

navaronbracke self-assigned this Jul 9, 2024

navaronbracke mentioned this issue Jul 9, 2024

Compatibility Issue on Apple Silicon Mac - Simulator Build Fails with RxSwift or AdyenCard Modules #1121

Open

navaronbracke changed the title ~~Unable to build for IOS~~ Building for iOS arm64 Simulator does not work Aug 5, 2024

fmaerkl-sw mentioned this issue Aug 23, 2024

Ios Simulator List View Jank #1149

Closed

qiqetes mentioned this issue Oct 7, 2024

When developing in macOs can't use arm64 in iOS simulator. #1203

Closed

navaronbracke changed the title ~~Building for iOS arm64 Simulator does not work~~ Clarify that arm64 Simulators are not supported for MLKit Oct 23, 2024

navaronbracke mentioned this issue Oct 23, 2024

fix: exclude arm64 simulators #1226

Merged

navaronbracke closed this as completed in #1226 Oct 23, 2024

ngee147 mentioned this issue Jan 9, 2025

[SwiftPM] Adding 'arm64' to excluded simulator architectures breaks plugins flutter/flutter#160329

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Clarify that arm64 Simulators are not supported for MLKit #1018

Clarify that arm64 Simulators are not supported for MLKit #1018

jeancamilo commented Apr 16, 2024 •

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Clarify that arm64 Simulators are not supported for MLKit #1018

Clarify that arm64 Simulators are not supported for MLKit #1018

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