     }
     
     // weightPicker configuration
-    
     func pickerView(pickerView: UIPickerView,
         didSelectRow row: Int,
         inComponent component: Int) {

        }
        return pos
    }

  
    /*

        
        healthStore.executeQuery(sampleQuery)
    }
      
    func saveUserWeight(weight:Double) {
        let bmType = HKQuantityType.quantityTypeForIdentifier(HKQuantityTypeIdentifierBodyMass)
        let bmQuantity = HKQuantity(unit: HKUnit.gramUnit(), doubleValue:  weight * 1000 )
