keyboardShowEvent = function () {
      $rootScope.$evalAsync(function () {
        $rootScope.$broadcast('$cordovaKeyboard:show');
      });
    }
Sample any kind of health data through a given date range.
sampleQuery of the format:
       {
									'startDate': yesterday, // mandatory
									'endDate': tomorrow, // mandatory
									'sampleType': 'HKQuantityTypeIdentifierHeight',
									'unit' : 'cm'
							},