ResultsController

public protocol ResultsController : AnyObject

A ResultsController manages data in a way that is usable by a collection view.

  • FetchedResultsController
  • RelationalResultsController

  • The delegate to notify about data changes

    Declaration

    Swift

    var delegate: ResultsControllerDelegate? { get set }

  • The number of sections in the results controller

    Declaration

    Swift

    var numberOfSections: Int { get }

  • Returns the number of objects in the specified section

    Declaration

    Swift

    func numberOfObjects(in section: Int) -> Int

    Parameters

    section

    The section for which to count the objects

    Return Value

    The number of objects

  • The name of the section at the specfied section

    Note

    The object represented by the section must adopt CustomDisplayStringConvertible, otherwise this returns an empty string

    Declaration

    Swift

    func sectionName(forSectionAt indexPath: IndexPath) -> String

    Return Value

    A string representing the name of the section

  • Clear all storage for the controller and stop all observing

    Declaration

    Swift

    func reset()