Hello to everyone, I am developing an application with Xamarin forms. The application that I published in the App Store does not work stably on versions above ios 15.2. Is there anything I can do about it? Thanks in advance. Also, thank you for your previous help @Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) . Can you share your ideas, opinions and suggestions about this subject?

Hello, Xamarin.iOS and Xamarin.Mac SDK 15.2.0.17 (738fde344), XCode Version: 13.3 Your XCode version is 13.3, but your Xamarin.iOS version is still 15.2.0.17, the latest version is 15.8, try to use the latest VS2022 and update VS for Mac. Best Regards, Wenyan Zhang If the answer is the right solution, please click " Accept Answer " and kindly upvote it. If you have extra questions about this answer, please click " Comment ". Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

xamarin forms ios latest version support

Accepted answer

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-11T09:01:37.177+00:00

Hello,

Xamarin.iOS and Xamarin.Mac SDK 15.2.0.17 (738fde344), XCode Version: 13.3

Your XCode version is 13.3, but your Xamarin.iOS version is still 15.2.0.17, the latest version is 15.8, try to use the latest VS2022 and update VS for Mac.

Best Regards,
Wenyan Zhang

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GÖKSEL YÜCE 41 Reputation points

2022-04-12T06:20:37.95+00:00

I made all the updates and visual studio 2019 shows 15.4 as sdk as in the screenshot. So when I create and publish an ipa file in this way, it supports up to 15.4, right?
If so, the application does not work correctly on a device using the 15.3.1 iOS version. Unable to make API calls. I would appreciate your help.

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-12T07:12:39.59+00:00

Yes, it contains the 15.4 SDK. But I don't understand what you mean by this statement (the application does not work correctly on a device using the 15.3.1 iOS version. Unable to make API calls)
You update all SDK, the app still doesn't run stably on iOS 15.2 and above? Not even able to call the API?
If you debug your app directly on a phone with iOS15.2 or higher instead of installing it via ipa, can you see any error messages?

GÖKSEL YÜCE 41 Reputation points

2022-04-12T07:34:59.127+00:00

I am sorry for my English.
I published the application in the app store with the settings in the screenshot.
I ran it on a simulator with iPhone 15.4 and it works fine. However, the program opens on a device with version 15.3.1 of iPhone 11 Pro, which has downloaded the application from the app store, but cannot access the API (Web service). I cannot debug because there is no version 15.3.1 in the simulator.
I can debug the 15.4 version simulator and there is no problem in the operation of the application. I don't know what to do.

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-12T08:50:13.267+00:00

You could connect your iPhone to the Windows machine and debug by HotRestart, or connect your iPhone to your MAC then select this real device under simulator drop down menu via Pair to Mac, then debug on your real device.
And check if there are any error messages on your real device.

You said "I cannot debug because there is no version 15.3.1 in the simulator"
You could open XCode, select Window -> Devices and Simulators in the top bar, select Simulators in the left column, click the plus sign below, and add the simulator of iOS15.3.1. If there is no simulator under OS Version, please download more simulator.
Then you could reopen Xcode and VS, pair to mac again, and debug on this simulator.

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-20T05:21:50.35+00:00

May I know whether your issue has been solved or not? If not, please share it in here. We can work together to figure it out.

GÖKSEL YÜCE 41 Reputation points

2022-04-20T06:03:31.637+00:00

Hello,
Thank you very much for your interest.
I'm trying to update the XCode program, but it's stuck at 99% for days, looking for a solution for it. I haven't had a chance to try what you said as the update is stuck.

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-20T07:19:27.623+00:00

Try to check if disk space is low. If you have any other issues, feel free to let me know.

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-26T09:05:49.88+00:00

I have not heard from you for a couple of days. Please let me know if there is anything that I can help here.

GÖKSEL YÜCE 41 Reputation points

2022-04-26T11:37:51.967+00:00

Hello,
Thank you for your help. I was doing the operations as you said, so I couldn't write. I updated the Xcode program.
I can see 15.0 , 15.2 , 15.4 versions in the simulator. I can't download another version.
Installing the application on the iPhone using version 15.4.1. But the web service cannot make a request. I wonder if I should change the http client implementation setting to managed.

I would also like to share my info.plist file.

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-27T02:33:29.467+00:00

You still couldn't debug your app on iOS 15.2 simulator, right? I have to say, you may need Apple support for the Xcode simulator issues, try to create a new issue at https://developer.apple.com/forums/tags/xcode

You have added NSAppTransportSecurity in your info.plist. It seems correct. You said "the web service cannot make a request on iOS15.4 simulator", is there any error messages? Would you mind sharing some code snippets with me? Or sharing a minimal reproducible sample with me? You could upload it to GitHub and attach the link here.

In this thread, we are mainly discussing this issue(xamarin forms ios latest version support) as indicated by the first post, we can sure that VS 2022 contains the support for XCode 13.3 and above iOS 15.2 because you could install the app on iOS15.4.1 device. You could try to create a new thread for the webview issue, and provide some code snippets about your webview and server request so that I can test. It's helpful for investigating the issue. And you could mention me to let me know the new thread link. We can work together to figure it out.

GÖKSEL YÜCE 41 Reputation points

2022-04-27T06:11:59.947+00:00

Thank you. I am connecting to the web service as http. Does it have to be https?

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-27T08:30:14.647+00:00

Both http and https are supported in iOS. https is recommended, but not mandatory.

GÖKSEL YÜCE 41 Reputation points

2022-04-27T08:43:26.15+00:00

They asked me to use https. I edited my endpoints that way and sent them to the appstore. Awaiting review.
Thank you for your help. The problem of not connecting to the service, which I have experienced on some iPhone devices, continues. If the problem persists after the new version of the application is published in the appstore, I would like to contact you again.

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 32,386 Reputation points Microsoft Vendor

2022-04-27T09:47:50.33+00:00

Sure. If you have any other issues, feel free to let me know. And you could create the new thread for other issues.
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