async Task ExecuteSaveCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
if (Item.Id == null)
{
await table.CreateItemAsync(Item);
}
else
{
await table.UpdateItemAsync(Item);
}
MessagingCenter.Send <MealDetailViewModel>(this, "ItemsChanged");
await Application.Current.MainPage.Navigation.PopAsync();
}
catch (Exception ex)
{
Debug.WriteLine($"[MealDetail] Save error: {ex.Message}");
}
finally
{
IsBusy = false;
}
}
private async Task UpdateUserLocation(User user)
{
var locator = CrossGeolocator.Current;
locator.DesiredAccuracy = 25;
try
{
var position = await locator.GetPositionAsync(TimeSpan.FromSeconds(15));
if (position != null)
{
//userTable = await CloudService.GetTableAsync<User>();
CultureInfo culture = CultureInfo.CurrentCulture;
user.Longitude = position.Longitude; user.Latitude = position.Latitude; user.CultureInfo = culture.ToString();
await userTable.UpdateItemAsync(user);
await CloudService.SyncOfflineCacheAsync();
}
}
catch (TaskCanceledException e)
{
Debug.WriteLine("Error " + e.Message);
Debug.WriteLine("Unable to get location, may need to increase timeout: " + e);
var answer = await Application.Current.MainPage.DisplayAlert("Detecting location error", "Please turn on GPS. Would you like to try again?", "Yes", "No");
// do nothing
Debug.WriteLine("Answer: " + answer);
if (answer.Equals("Yes"))
{
Navigation.InsertPageBefore(new JoinEventLoadingPage(), this);
await Navigation.PopAsync();
}
else
{
Navigation.InsertPageBefore(new HomePage(), this);
await Navigation.PopAsync();
}
}
catch (Exception e)
{
Debug.WriteLine("Error " + e.Message);
Debug.WriteLine("Unable to get address at this moment!");
var answer = await Application.Current.MainPage.DisplayAlert("Detecting location error", "Please turn on GPS. Would you like to try again?", "Yes", "No");
// do nothing
Debug.WriteLine("Answer: " + answer);
if (answer.Equals("Yes"))
{
Navigation.InsertPageBefore(new JoinEventLoadingPage(), this);
await Navigation.PopAsync();
}
else
{
Navigation.InsertPageBefore(new HomePage(), this);
await Navigation.PopAsync();
}
}
}
