public HomePageViewModel(INavigationService navigationService, IEventAggregator eventAggregator, IUnsplashService unsplashService)
{
this.navigationService = navigationService;
this.eventAggregator = eventAggregator;
this.unsplashService = unsplashService;
ImageTappedCommand = new Command <Photo>(ExecuteImageTappedCommand);
}
public MainViewModel(IUnsplashService unsplashService, ILogger <MainViewModel> logger)
{
_unsplashService = unsplashService ?? throw new ArgumentNullException(nameof(unsplashService));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
public PhotoSource(IUnsplashService unsplashService, bool loadInMemory = true)
{
this.unsplashService = unsplashService ?? throw new ArgumentNullException(nameof(unsplashService));
ImageCache.Instance.CacheDuration = TimeSpan.FromHours(24);
ImageCache.Instance.MaxMemoryCacheCount = loadInMemory ? 200 : 0;
}
