public override void RowSelected (UITableView tableView, NSIndexPath indexPath)
{
NSIndexPath indexPathForSelectedRow = TableView.IndexPathForSelectedRow;
SelectedFoodItem = FoodItems.GetItem<FoodItem> (indexPathForSelectedRow.Row);
((JournalViewController)NavigationController.ViewControllers [NavigationController.ViewControllers.Length - 2]).
AddFoodItem (SelectedFoodItem);
NavigationController.PopViewController (true);
}
public void AddFoodItem (FoodItem item)
{
var quantityType = HKQuantityType.GetQuantityType (HKQuantityTypeIdentifierKey.DietaryEnergyConsumed);
var quantity = HKQuantity.FromQuantity (HKUnit.Joule, item.Joules);
var now = NSDate.Now;
var metadata = NSDictionary.FromObjectAndKey (new NSString (item.Name), HKMetadataKey.FoodType);
var caloriesSample = HKQuantitySample.FromType (quantityType, quantity, now, now, metadata);
HealthStore.SaveObject (caloriesSample, (success, error) => {
if (success) {
FoodItems.Insert (item, 0);
var indexPathForInsertedFoodItem = NSIndexPath.FromRowSection (0, 0);
InvokeOnMainThread (() => {
TableView.InsertRows (new NSIndexPath[] { indexPathForInsertedFoodItem }, UITableViewRowAnimation.Automatic);
});
} else {
Console.WriteLine ("An error occured saving the food {0}. In your app, try to handle this gracefully. " +
"The error was: {1}.", item.Name, error);
}
});
}
