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Why is my xamarin ios simulator not working?


Asked by Kamiyah Bartlett on Dec 15, 2021 iOS Development Manual



However, I was trying to launch on the iOS simulator on my Mac side (running Windows vm via Parallels). It seems you might be trying to launch the simulator in windows. I confirm the issue is currently (May 2021) caused by Xcode 12.5 upgrade . After I downgraded back to Xcode 12.4, the simulators started to work again with no problem.
Keeping this in consideration,
Reboots and deleting obj/bin/.vs folders made no difference. The fix was to explicitly type the Xcode path into Xamarin options iOS settings - even though it was the default - untick Remote Simulator to Windows then pair/connect to mac from that options dialog. After closing the dialog and reopening it Remote Simulator was checked again.
Similarly, This problem isn't limited to Mono or Xamarin.iOS. This problem is consistent across any software that tries to install software on macOS Snow Leopard if the iPhone Simulator is running during installation. Make sure you quit the iPhone simulator and retry the installation.
In addition,
To support debugging, debug builds contain extra code. Projects built in release mode are a fraction of the size. Starting in Xamarin.iOS 1.3 the debug builds include debugging support for every single component of Mono (every method in every class of the frameworks). With Xamarin.iOS 1.4, we'll introduce a finer grained method for debugging.
Indeed,
The Remoted iOS Simulator for Windows is installed automatically as part of Xamarin in Visual Studio 2019 and Visual Studio 2017. To use it, follow these steps: Pair Visual Studio 2019 to a Mac Build host. In Visual Studio, start debugging an iOS or tvOS project.