Instance Method

register(_:forCellWithReuseIdentifier:)

Register a nib file for use in creating new collection view cells.

Declaration

func register(_ nib: UINib?, forCellWithReuseIdentifier identifier: String)

Parameters

nib

The nib object containing the cell object. The nib file must contain only one top-level object and that object must be of the type UICollectionViewCell.

identifier

The reuse identifier to associate with the specified nib file. This parameter must not be nil and must not be an empty string.

Discussion

Prior to calling the dequeueReusableCell(withReuseIdentifier:for:) method of the collection view, you must use this method or the register(_:forCellWithReuseIdentifier:) method to tell the collection view how to create a new cell of the given type. If a cell of the specified type is not currently in a reuse queue, the collection view uses the provided information to create a new cell object automatically.

If you previously registered a class or nib file with the same reuse identifier, the object you specify in the nib parameter replaces the old entry. You may specify nil for nib if you want to unregister the nib file from the specified reuse identifier.

See Also

Creating Collection View Cells

func register(AnyClass?, forCellWithReuseIdentifier: String)

Register a class for use in creating new collection view cells.

func register(AnyClass?, forSupplementaryViewOfKind: String, withReuseIdentifier: String)

Registers a class for use in creating supplementary views for the collection view.

func register(UINib?, forSupplementaryViewOfKind: String, withReuseIdentifier: String)

Registers a nib file for use in creating supplementary views for the collection view.