Nathan961207

What does your code look like for the header cell?

When you built the CollectionView did you use storyboard/xib or just code? Edit: It looks like you are trying to register your header like you would register a cell, try...

> When building prototype cells (or headers) in the Storyboard, you should not register the cell for that class on the collectionView in code. This will overwrite your existing view...

So when you are not using TRMosaicLayout the header works and when you use TRMosaicLayout it does not work? Could you provide more info about your code?

Check this answer http://stackoverflow.com/questions/33343973/swift-uicollectionview-custom-header-in-custom-layout-not-showing/33350781#33350781 On Wed, 22 Feb 2017 at 22:50, Jun wrote: > Hi, > > Thanks for the reply. > > I just did some modification on the...