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Showing content from https://github.com/NLog/NLog.Targets.MauiLog below:

GitHub - NLog/NLog.Targets.MauiLog: NLog MauiLog Target for writing to Apple Unified Logging OSLog

NLog Target for debugging on MAUI / Xamarin Mobile Platforms:

Apple iOS / MacOS - Unified Logging OSLog (replacement of print and NSLog)
Android - Android.Util.Log / LogCat
NetStandard - System.Diagnostics.Debugger.Log

How to setup NLog in MAUI

Install the NLog packages
- Install-Package NLog.Targets.MauiLog
- Install-Package NLog.Extensions.Logging
or in your csproj (Use ver. 8 for NET8, and ver. 7 for NET7 etc.):
```
<PackageReference Include="NLog.Targets.MauiLog" Version="8.*" />
<PackageReference Include="NLog.Extensions.Logging" Version="6.*" />
```

Add NLog to the MauiApp

Update MauiProgram.cs to include NLog as Logging Provider:

var builder = MauiApp.CreateBuilder();

// Add NLog for Logging
builder.Logging.ClearProviders();
builder.Logging.AddNLog();

If getting compiler errors with unknown methods, then update using-section:

using Microsoft.Extensions.Logging;
using NLog;
using NLog.Extensions.Logging;

Load NLog configuration for logging

Add the NLog.config-file into the Application-project as assembly-resource (Build Action = embedded resource), and load like this:

NLog.LogManager.Setup().RegisterMauiLog()
    .LoadConfigurationFromAssemblyResource(typeof(App).Assembly);

Alternative setup NLog configuration using fluent-API:

var logger = NLog.LogManager.Setup().RegisterMauiLog()
                 .LoadConfiguration(c => c.ForLogger().FilterMinLevel(NLog.LogLevel.Debug).WriteToMauiLog())
                 .GetCurrentClassLogger();

Configuration options for MAUI Log Target

Layout - LogEvent message layout
Category - LogEvent category layout (optional)

Example NLog.config-file:

<nlog>
<extensions>
    <add assembly="NLog.Targets.MauiLog" />
</extensions>
<targets>
    <target name="mauilog" type="MauiLog" />
</targets>
<rules>
    <logger name="*" minLevel="Info" writeTo="mauilog" />
</rules>
</nlog>