✅ Help needed: Buttons update enabled state after two clicks.

  <StackLayout>
      <Button Text="Start the service" Command="{Binding StartTheServiceCommand}" />
  </StackLayout>
  
  <StackLayout>
      <Button Text="Stop the service" Command="{Binding StopTheServiceCommand}" />
  </StackLayout>

public MainPageViewModel(ILogger<MainPageViewModel> logger, WorkerService workerService)
{
  _logger = logger;
  _workerService = workerService;

  StartTheServiceCommand = new Command(
    execute: () =>
      {
        _logger.LogInformation("Starting the service at: {time}", DateTimeOffset.Now);
        Task.Run(async () => await _workerService.StartAsync(new()));
        RefreshCanExecutes();
      },
    canExecute: () => !_workerService.IsRunning);
        
  StopTheServiceCommand = new Command(
    execute: () =>
    {
      _logger.LogInformation("Stopping the service at: {time}", DateTimeOffset.Now);
      Task.Run(async () => await _workerService.StopAsync(new()));
      RefreshCanExecutes();
    },
    canExecute: () => _workerService.IsRunning);
}
    
public ICommand StartTheServiceCommand { get; }
public ICommand StopTheServiceCommand { get; }

private void RefreshCanExecutes()
{
  (StartTheServiceCommand as Command)!.ChangeCanExecute();
  (StopTheServiceCommand as Command)!.ChangeCanExecute();
}