Facebook SDK unity: 'UnityEditor.PlayerSettings.get_applicationIdentifier'? - facebook

I have installed Facebook unity SDK 7.10.1 and start getting this error:
"MissingMethodException: Method not found: 'UnityEditor.PlayerSettings.get_applicationIdentifier'.
Rethrow as TypeInitializationException: An exception was thrown by the type initializer for GooglePlayServices.PlayServicesResolver
System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor (RuntimeTypeHandle type) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.CompilerServices/RuntimeHelpers.cs:101)
UnityEditor.EditorAssemblies.ProcessEditorInitializeOnLoad (System.Type type) (at C:/buildslave/unity/build/Editor/Mono/EditorAssemblies.cs:130)"
I have uninstalled the SDK 7.10.1 and installed SDK 7.9.4 and still getting this error. I am using Unity 5.5.3p4 (64 bit).

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iOS application getting crashed "Could not set up parent class, due to: Invalid generic instantiation" .net MAUI

.net MAUI Project based on .net version 7 getting crashed while I am trying to deploy it on device. Below is the exception I am getting:
Visual Studio for Mac version :17.4(build 2406)
.net version: .net 7
iPhone 13, iOS 16.3
below are the packages being used:
Crashlogs:
Unhandled Exception: System.TypeLoadException: Could not set up parent class, due to: Invalid generic instantiation assembly:/private/var/containers/Bundle/Application/8849B149-36C8-4750-86DD-2AAC2A958F3D//Microsoft.Maui.dll type:ViewHandler2 member:(null) at CommunityToolkit.Maui.AppBuilderExtensions.<>c.b__0_0(IMauiHandlersCollection h) in /_/src/CommunityToolkit.Maui/AppBuilderExtensions.shared.cs:line 28 at Microsoft.Maui.Hosting.HandlerMauiAppBuilderExtensions.HandlerRegistration.AddRegistration(IMauiHandlersCollection builder) at Microsoft.Maui.Hosting.Internal.MauiHandlersFactory.CreateHandlerCollection(IEnumerable1 registrationActions) at Microsoft.Maui.Hosting.Internal.MauiHandlersFactory..ctor(IEnumerable`1 registrationActions) at Microsoft.Maui.Hosting.HandlerMauiAppBuilderExtensions.<>c.b__1_0(IServiceProvider sp) at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.<…>

throw PlatformException(code: errorCode, message: errorMessage as String?, details: errorDetails, stacktrace: errorStacktrace);

I am getting this error while trying to implement google signIn in my flutter project
I have fully installed cocapods and added all dependencies as well adding the URL Scheme in the Xcode project
but my iOS simulator keeps crashing when I press the sign in button and is giving this error
I am using vscode if this helps any bit

SDK android emulator for flutter

I am installing andoid sdk in Intelli idea the error occuring in installation is :
"java.io.IOException: Connection closed at byte 45350576. Expected 326723360 bytes.
Warning: An error occurred while preparing SDK package Android Emulator: Connection closed at byte 45350576. Expected 326723360 bytes.."
I have downloaded and installed Intelli Idea have also installed flutter and dart PLUGINS now for i need emulator for it which i think is inside android sdk but its giving this error while installing it, I am basically learning dart flutter app development . please guide here how to use emulator using android sdk or anyway other than android sdk,

Flutter audio_service plugin: Error: JS interop class 'MediaMetadata' conflicts with natively supported class 'MediaMetadata' in 'dart:html'

I'm making a Flutter app that uses the audio_service plugin. It works on Android, iOS and macOS. However when I run it on the web with Chrome I get the following error:
Launching lib/main.dart on Chrome in debug mode...
lib/main.dart:1
../../../../.pub-cache/hosted/pub.dartlang.org/audio_service-0.16.1/lib/js/media_metadata.dart:7:7: Error: JS interop class 'MediaMetadata' conflicts with natively supported class 'MediaMetadata' in 'dart:html'.
class MediaMetadata {
^
Failed to compile application.
How do I work around this error before the issue is solved?

Instead of running your app from the IDE, run it from the command line:
flutter run -d chrome
This worked for me and was also reported to work here.

Build Error using IL2CPP: "System.ComponentModel.Win32Exception: The specified executable is not a valid application for this OS platform."

I've run into some trouble when changing the Scripting Backend from Mono to IL2CPP to support Android x64 since Google says it's necessary.
I've tried to search all over the internet for a fix, but couldn't find anything.
The error:
il2cpp.exe didn't catch exception: System.AggregateException: One or more errors occurred. ---> System.ComponentModel.Win32Exception: The specified executable is not a valid application for this OS platform.