protected override Task <List <Datum> > PollAsync(CancellationToken cancellationToken)
{
List <Datum> data = new List <Datum>();
NSError error;
HKFitzpatrickSkinTypeObject skinType = HealthStore.GetFitzpatrickSkinType(out error);
if (error == null)
{
if (skinType.SkinType == HKFitzpatrickSkinType.I)
{
data.Add(new FitzpatrickSkinTypeDatum(DateTimeOffset.Now, FitzpatrickSkinType.TypeI));
}
else if (skinType.SkinType == HKFitzpatrickSkinType.II)
{
data.Add(new FitzpatrickSkinTypeDatum(DateTimeOffset.Now, FitzpatrickSkinType.TypeII));
}
else if (skinType.SkinType == HKFitzpatrickSkinType.III)
{
data.Add(new FitzpatrickSkinTypeDatum(DateTimeOffset.Now, FitzpatrickSkinType.TypeIII));
}
else if (skinType.SkinType == HKFitzpatrickSkinType.IV)
{
data.Add(new FitzpatrickSkinTypeDatum(DateTimeOffset.Now, FitzpatrickSkinType.TypeIV));
}
else if (skinType.SkinType == HKFitzpatrickSkinType.V)
{
data.Add(new FitzpatrickSkinTypeDatum(DateTimeOffset.Now, FitzpatrickSkinType.TypeV));
}
else if (skinType.SkinType == HKFitzpatrickSkinType.VI)
{
data.Add(new FitzpatrickSkinTypeDatum(DateTimeOffset.Now, FitzpatrickSkinType.TypeVI));
}
else if (skinType.SkinType == HKFitzpatrickSkinType.NotSet)
{
data.Add(new FitzpatrickSkinTypeDatum(DateTimeOffset.Now, FitzpatrickSkinType.NotSet));
}
else
{
throw new Exception("User has not provided -- or has not allowed access to -- their fitzpatrick skin type.");
}
}
else
{
throw new Exception("Error reading Fitzpatrick skin type: " + error.Description);
}
return(Task.FromResult(data));
}