Introduction
The SACollectionViewVerticalScalingFlowLayout is a custom UICollectionViewFlowLayout subclass that provides a vertical scaling effect to the cells in a collection view. It allows you to create visually appealing effects by scaling the cells based on their position in the collection view.
Installation
Using CocoaPods
1. Open your project directory from the terminal.
2. Run the following command to initiate CocoaPods in your project:
$ pod init
3. Open the Podfile and add the following line:
pod 'SACollectionViewVerticalScalingFlowLayout'
4. Save the Podfile and run the following command:
$ pod install
5. Open the generated `.xcworkspace` file and use it for development.
Manually
1. Download the source files for SACollectionViewVerticalScalingFlowLayout.
2. Drag and drop the source files into your Xcode project.
3. Make sure to check the “Copy items if needed” option.
Usage
Importing the Framework
Import the SACollectionViewVerticalScalingFlowLayout framework to your view controller:
import SACollectionViewVerticalScalingFlowLayout
Creating Collection View
To implement the SACollectionViewVerticalScalingFlowLayout, create an instance of SACollectionViewVerticalScalingFlowLayout
.
let layout = SACollectionViewVerticalScalingFlowLayout()
let collectionView = UICollectionView(frame: CGRect, collectionViewLayout: layout)
Customization
The SACollectionViewVerticalScalingFlowLayout provides customization options to control the scaling effect:
Scaling Factor
You can set the scaling factor to control the amount of scaling applied to the cells. The default value is 0.1.
layout.scalingFactor = 0.2
Item Size
You can specify a custom item size. By default, each item will have a size equal to the collection view’s bounds.
layout.itemSize = CGSize(width: 200, height: 200)
Scroll Direction
You can set the scroll direction to horizontal or vertical. The default value is vertical.
layout.scrollDirection = .horizontal
Delegate
Optionally, you can implement the UICollectionViewDelegateFlowLayout
methods to provide additional customization:
UICollectionViewDelegateFlowLayout Methods
- collectionView(_:layout:sizeForItemAt:)
- collectionView(_:layout:insetForSectionAt:)
- collectionView(_:layout:minimumLineSpacingForSectionAt:)
- collectionView(_:layout:minimumInteritemSpacingForSectionAt:)
Requirements
– iOS 9.0+
– Xcode 10.0+
License
SACollectionViewVerticalScalingFlowLayout is released under the MIT License. See the LICENSE file for more details.