.NET MAUI Android: How to handle when you try to launch an external app when that app is not installed?

I am using the Launcher to open a Facebook page from my app like so:

async Task OpenFacebook()
{
    try
    {
        // try to open Facebook app, if not, try to open in browser
        bool opened = await Launcher.Default.TryOpenAsync($"fb://profile?id={FacebookID}");
        if (opened)
            return;

        await Browser.OpenAsync(new Uri($"https://m.facebook.com/{FacebookID}"), BrowserLaunchMode.External);
    }
    catch (Exception ex)
    {
        
    }
}

<activity android:name="com.myapp.MainActivity" android:exported="true">
    <intent-filter>
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.BROWSABLE" />
        <data android:scheme="fb"/>
    </intent-filter>
</activity>

This works when the Facebook app is installed, but when I uninstall the app, my intention was that it would fail over to the Browser and just open the URL. In actuality, it just crashes with this error: java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.myapp/com.myapp.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.myapp.MainActivity" on path: DexPathList[[zip file..., Note: opened results in true and the function completes normally, then I get the above java exception which goes unhandled and crashes my app. I did manage to stop the crash by moving the intent filter to MainActivity.cs like so:

[IntentFilter(new[] { Intent.ActionView }, Categories = new[] { Intent.CategoryDefault, Intent.CategoryBrowsable }, DataScheme = "fb")]
public class MainActivity : MauiAppCompatActivity

But now when I press the button to open FB, opened is still true it doesn't fail over. This works as intended on iOS, but not Android. Any ideas on what I'm doing wrong?

I figured it out, the MAUI Launcher documentation was misleading it states here to add an intent filter for the apps you want to open. But I misunderstood deep links and intent filters, so that part is irrelevant in my case. I removed the intent filter completely and now everything works as expected.