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π A set of custom layouts for UICollectionView
with examples. All the layouts support both portrait
and landscape
UI
orientations as well as support for all iOS
-related size classes (iPhone
& iPad
).
The assets used in this project were taken from the Web
. Do not use them for commertial purposes and proprietary projects. They are used just for demostration only.
In order to add layouts to your project, simply copy-paste corresponding Layout
file (each of the targets has folder called Layout
that contains all the related sources). There is no point in adding any dependency manager, since each custom UICollectionViewLayout
can be more easily added just by dropping the corresponding layout source file into your project.
The next step is to either programmatically
or via Storyboard
/Nib
file connect the layout and override the default one.
If you choose programmatic
approach, all you need to do is to set the instance of a layout using the following scheme:
...
let verticalSnapCollectionFlowLayout = VerticalSnapCollectionFlowLayout()
// Use custom properties that are available for each layout
verticalSnapCollectionFlowLayout.minLineSpacing = 30
verticalSnapCollectionFlowLayout.spacingMultiplier = 8
collectionView.collectionViewLayout = verticalSnapCollectionFlowLayout
// or
collectionView.setCollectionViewLayout(verticalSnapCollectionFlowLayout, animated: true)
Setting up the layouts via Storyboard
/Nib
is very easy as well. All you need to do is the following:
- Find your
Collection View
in Xcode's visual editor - Select it
- Open
Attributes Inspector
- Find and change UI menu called
Layout
toCustom
- Set the class to the one that you wish to use
In your view controller you need to provide a valid reference to the UIViewController
from Storyboard
/Nib
file where you overriden the default layout class.
For cases when you need to tell your custom layout what class is going to delegate the layout handling, use the following code:
...
if let layout = collectionView?.collectionViewLayout as? PinterestLayout {
layout.delegate = self
}
...
For cases when you simply need to change properties for custom layouts that were set via visual editor, use the following code:
...
if let layout = collectionView?.collectionViewLayout as? InstagridLayout {
layout.itemSpacing = 10
layout.fixedDivisionCount = 4
layout.scrollDirection = .vertical
}
...
If you use Storyboard
/Nib
approach, consider creating an IBOutlet
to the custom layout and directly set it up, instead of casting layout using the collection view reference:
...
@IBOutlet weak var instagridLayout: InstagridLayout!
override func viewDidLoad() {
super.viewDidLoad()
// InstagridLyout setup
instagridLayout.delegate = self
instagridLayout.itemSpacing = 10
instagridLayout.fixedDivisionCount = 4
instagridLayout.scrollDirection = .vertical
}
...
Please wait while the
.gif
files are loading (each of them is around 10Mb)
It's a custom layout that mimics UICollectionView
layout that can be seen on iPhones
in portrait orientation. The layout only supports portrait orientation, but can be adjusted for landscape orientation and even for n-column layout, that can be used, for example on wider screens, such as iPads
.
- Perspective transformation that reveal cell's content while scrolling up and down
- Automatically adjusts contents to fit the current screen
- Portrait orientation
- Only for
iPhones
- Adjustable: various properties can be changed
- Scalable: can be adopted to support
iPad
and various, sophisticated perspective transformation while scrolling
Is a custom layout that places the collection view items on top of each other - just as a stack of books on a table, observed from the top-to-bottom perspective.
- Snapping behavior when swiping between items
- Automatically adjusts the cell sizes
- Portrait & landscape orientations
- Customizable
Is a custom flow layout that adds snapping
behavior to single column
collection view. Landscape
layout changes the number of columns
to two
- in order to more ergonomically fill in the horizontal space.
- Snapping behavior when scrolling
- Automatically adjusts the cell sizes
- Supports both scrolling directions e.g.
.vertical
and.horizontal
- Portrait & landscape orientations, with customizable
horizontalOrientationDevider
property, which adds an additional row of in the collection view layout - Has customazable properties
Is a custom layout that mimics Pinterest
layout. Can be customized with a variable number of rows
and custom cells
.
- Automatically adjusts the cell sizes
- Supports both scrolling directions e.g.
.vertical
and.horizontal
- Portrait & landscape orientations
- Has customazable properties
Is a custom layout that places collection view cells in a circular fashion with a snapping behavior
. The spinning circle radius
, cell size
and cell decoration view
can be customized. Supports both landscape
and portrait
layouts.
- Snapping behavior
- Automatically adjusts the cell sizes
- Supports both scrolling directions e.g.
.vertical
and.horizontal
- Portrait & landscape orientations
- Has customazable properties
Is a custom layout similar to Instagram
's feed layout. Has several customization points and a delegate
protocol for cell size runtime customization.
- Snapping behavior
- Automatically adjusts the cell sizes
- Supports both scrolling directions e.g.
.vertical
and.horizontal
- Portrait & landscape orientations
- Has customazable properties
The project is available under MIT Licence