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 = new NSDictionary(HKMetadataKey.FoodType, item.Name);
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);
}
});
}
public void SaveWorkout()
{
// Obtain the `HKObjectType` for active energy burned.
var activeEnergyType = HKQuantityType.Create(HKQuantityTypeIdentifier.ActiveEnergyBurned);
if (activeEnergyType == null)
{
return;
}
var beginDate = WorkoutBeginDate;
var endDate = WorkoutEndDate;
var timeDifference = endDate.Subtract(beginDate);
double duration = timeDifference.TotalSeconds;
NSDictionary metadata = null;
var workout = HKWorkout.Create(HKWorkoutActivityType.Walking,
(NSDate)beginDate,
(NSDate)endDate,
duration,
CurrentActiveEnergyQuantity,
HKQuantity.FromQuantity(HKUnit.Mile, 0.0),
metadata);
var finalActiveEnergySamples = ActiveEnergySamples;
if (HealthStore.GetAuthorizationStatus(activeEnergyType) != HKAuthorizationStatus.SharingAuthorized ||
HealthStore.GetAuthorizationStatus(HKObjectType.GetWorkoutType()) != HKAuthorizationStatus.SharingAuthorized)
{
return;
}
HealthStore.SaveObject(workout, (success, error) => {
if (!success)
{
Console.WriteLine($"An error occured saving the workout. In your app, try to handle this gracefully. The error was: {error}.");
return;
}
if (finalActiveEnergySamples.Count > 0)
{
HealthStore.AddSamples(finalActiveEnergySamples.ToArray(), workout, (addSuccess, addError) => {
// Handle any errors
if (addError != null)
{
Console.WriteLine($"An error occurred adding the samples. In your app, try to handle this gracefully. The error was: {error.ToString()}.");
}
});
}
});
}
void SaveWeightIntoHealthStore(double value)
{
var weightQuantity = HKQuantity.FromQuantity(HKUnit.Pound, value);
var weightType = HKQuantityType.GetQuantityType(HKQuantityTypeIdentifierKey.BodyMass);
var weightSample = HKQuantitySample.FromType(weightType, weightQuantity, NSDate.Now, NSDate.Now, new NSDictionary());
HealthStore.SaveObject(weightSample, (success, error) => {
if (!success)
{
Console.WriteLine("An error occured saving the weight sample {0}. " +
"In your app, try to handle this gracefully. The error was: {1}.", weightSample, error.LocalizedDescription);
return;
}
UpdateUsersWeight();
});
}
void SaveHeightIntoHealthStore(double value)
{
var heightQuantity = HKQuantity.FromQuantity(HKUnit.Inch, value);
var heightType = HKQuantityType.GetQuantityType(HKQuantityTypeIdentifierKey.Height);
var heightSample = HKQuantitySample.FromType(heightType, heightQuantity, NSDate.Now, NSDate.Now, new NSDictionary());
HealthStore.SaveObject(heightSample, (success, error) => {
if (!success)
{
Console.WriteLine("An error occured saving the height sample {0}. " +
"In your app, try to handle this gracefully. The error was: {1}.", heightSample, error);
return;
}
UpdateUsersHeight();
});
}
public void AddStepCountEntry(StepCountEntry entry)
{
var date = new NSDate();
var quantityType = HKObjectType.GetQuantityType(HKQuantityTypeIdentifierKey.StepCount);
var countUnit = HKUnit.Count;
var quantity = HKQuantity.FromQuantity(countUnit, entry.Count);
var sample = HKQuantitySample.FromType(quantityType, quantity, date, date);
HealthStore.SaveObject(sample, new Action <bool, NSError>((success, error) => {
if (!success || error != null)
{
//There may have been an add error for some reason.
AlertManager.ShowError("Health Kit", "Unable to add step count sample: " + error);
}
else
{
//Refresh all app wide blood glucose UI fields.
RefreshQuantityValue(HKQuantityTypeIdentifierKey.StepCount, quantityType);
}
}));
}
/// <summary>
/// This method handles all the HealthKit gymnastics to add a blood glucose entry to the HealthKit data.
/// </summary>
/// <param name="entry">Entry.</param>
public void AddBloodGlucoseEntry(BloodGlucoseEntry entry)
{
var date = new NSDate();
var quantityType = HKObjectType.GetQuantityType(HKQuantityTypeIdentifierKey.BloodGlucose);
var mgPerDL = HKUnit.FromString("mg/dL");
var quantity = HKQuantity.FromQuantity(mgPerDL, entry.BloodGlucoseValue);
var sample = HKQuantitySample.FromType(quantityType, quantity, date, date);
HealthStore.SaveObject(sample, new Action <bool, NSError>((success, error) => {
if (!success || error != null)
{
//There may have been an add error for some reason.
AlertManager.ShowError("Health Kit", "Unable to add glucose sample: " + error);
}
else
{
//Refresh all app wide blood glucose UI fields.
RefreshQuantityValue(HKQuantityTypeIdentifierKey.BloodGlucose, quantityType);
}
}));
}