Windows: Connectivity check sometimes return NetworkAccess.Unknown

[unombun]

Description

On Windows checking connectivity returns incorrect value of NetworkAccess.Unknown.

There is this already closed issue: #9972

But this for sure is not fixed because I can still reproduce it.

Steps to Reproduce

Here is the tricky part. I cannot provide any particular repro steps. In my app this can reproduce in some particular screens, in other happens only sometimes.

I tried create a demo sample app but I could not reproduce there.
Of course I tried calling on the main thread the check as a suggestions made in the #9972. But sometimes it works, sometimes not.

It happens also with .Net 8 - preview 7.8842

Link to public reproduction project repository

No sample

Version with bug

7.0.92

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

Unknown/Other

Affected platforms

Windows

Affected platform versions

No response

Did you find any workaround?

No

Relevant log output

Exception thrown at 0x00007FFB8C31CF19 (KernelBase.dll) : The application called an interface that was marshalled for a different thread.

[samhouts]

Thank you, we'll take a look at this. We'll see if we can come up with a reproduction on our side for now.

[BenBtg]

Repro sample confirmed in this repo https://github.com/breenbob/MauiWindowsConnectivityIssue

[ghost]

We've added this issue to our backlog, and we will work to address it as time and resources allow. If you have any additional information or questions about this issue, please leave a comment. For additional info about issue management, please read our Triage Process.

[jsuarezruiz]

Related with microsoft/WindowsAppSDK#2965

[HelenMamalaki]

Copy of same comment posted #2965
I am having the same issue:
Target framework: net7.0-windows10.0.19041.0

  "Microsoft.Maui.Dependencies/6.0.312": {
    "type": "package",
    "dependencies": {
      "Microsoft.Graphics.Win2D": "1.0.3.1",
      "Microsoft.Maui.Graphics": "6.0.300",
      "Microsoft.Maui.Graphics.Win2D.WinUI.Desktop": "6.0.300",
      "Microsoft.WindowsAppSDK": "1.0.3"
    }

project.assets.json

Laptop running: Windows 10 Enterprise 19045.3570

I can't keep calling my fetch data API service on the Main thread as it blocks the UI thread - this seems like a major issue.

[BenBtg]

I have a workaround for the above issue when checking Connecivity on Windows 10. Essentially you need to ensure all Connectivity checks are done on the Main thread. Example can seen here.
https://github.com/BenBtg/MauiWindowsConnectivityIssue/tree/workaround

[Foda]

Copy of same comment posted #2965 I am having the same issue: Target framework: net7.0-windows10.0.19041.0

  "Microsoft.Maui.Dependencies/6.0.312": {
    "type": "package",
    "dependencies": {
      "Microsoft.Graphics.Win2D": "1.0.3.1",
      "Microsoft.Maui.Graphics": "6.0.300",
      "Microsoft.Maui.Graphics.Win2D.WinUI.Desktop": "6.0.300",
      "Microsoft.WindowsAppSDK": "1.0.3"
    }

project.assets.json

Laptop running: Windows 10 Enterprise 19045.3570

I can't keep calling my fetch data API service on the Main thread as it blocks the UI thread - this seems like a major issue.

Can you give me a small reproduceable sample? I'm having a difficult time with this on the latest version of the WinSDK + Maui

[damienaicheh]

Hi @Foda the repro sample provided above is not enough ? #17270 (comment) and this one https://github.com/breenbob/MauiWindowsConnectivityIssue

[Foda]

Hi @Foda the repro sample provided above is not enough ? #17270 (comment) and this one https://github.com/breenbob/MauiWindowsConnectivityIssue

I was unable to repro on Win11 on Maui 7 and Maui 8. I don't have a Win10 machine on-hand. Could you try upgrading to Maui 7 or 8 and see if the issue still happens on your machine?

[ghost]

Hi @unombun. We have added the "s/needs-info" label to this issue, which indicates that we have an open question for you before we can take further action. This issue will be closed automatically in 7 days if we do not hear back from you by then - please feel free to re-open it if you come back to this issue after that time.

[Foda]

Update: finally able to repro on latest w/ Win10 :)

[ghost]

This issue has been automatically marked as stale because it has been marked as requiring author feedback but has not had any activity for 4 days. It will be closed if no further activity occurs within 3 days of this comment. If it is closed, feel free to comment when you are able to provide the additional information and we will re-investigate.

[samhouts]

bad bot!