public ConferenceDetailViewModel (Conference conference, ISchedulesService schedulesService, ISettingsService settingsService)
{
Conference = conference;
_schedulesService = schedulesService;
_settingsService = settingsService;
Name = conference.Name;
Description = conference.Description;
StartDate = conference.StartDate.Value;
EndDate = conference.EndDate;
this.AddToScheduleCommand = new RelayCommand(async () => await this.AddToSchedule(Priority.UserInitiated), CanAddToSchedule);
this.RemoveFromScheduleCommand = new RelayCommand(async () => await this.RemoveFromSchedule(Priority.UserInitiated), CanRemoveFromSchedule);
}
private async void GetImage(Conference conference)
{
if (!string.IsNullOrWhiteSpace (conference.ImageUrl)) {
try {
var imageService = ServiceLocator.Current.GetInstance<IImageService>();
var localPath = await imageService.GetConferenceImagePath(conference);
//Resizing image is time costing, using async to avoid blocking the UI thread
UIImage image = null;
CGSize imageViewSize = conferenceImage.Frame.Size;
await Task.Run (() => {
image = UIImage.FromFile (localPath).Scale (imageViewSize);
});
conferenceImage.Image = image;
} catch (Exception e) {
Insights.Report (e);
}
}
}