View controller with a customizable stretchy header in swift

by iOS Example

StretchyHeaderViewController

View controller with a customizable stretchy header in swift.

UIViewController containing a UIScrollView/UITableView/UICollectionView with a stretchy header. The header has a nice parallax effect and the text fades away as the header reaches its minimum size. The header is customizable.

Customizable features

  • Header title
  • Header subtitle
  • Header image
  • Minimum header height
  • Maximum header height
  • Tint color (title and subtitle color)
  • Title font
  • Text shadow color
  • Text shadow offset
  • Text shadow radius
  • Text shadow opacity
  • ScrollView (can be standard UIScrollView, UITableView or UICollectionView)
  • Collapsing animation speed
  • Expanding animation speed

Other features

  • “progress” variable returns a value between 0 and 1 depending on header progress between its min and max value.
  • expandHeader function to expand the header to its maximum height with specified animation speed.
  • collapseHeader function to collapse the header to its minimum height with specified animation speed.

Requirements

  • iOS 11.0+
  • Xcode 9

Installation

CocoaPods

You can use CocoaPods to install StretchyHeaderViewController by adding it to your Podfile:

platform :ios, '11.0'
use_frameworks!
pod 'StretchyHeaderViewController'

Manually

  1. Download and drop StretchyHeaderViewController.swift in your project.
  2. Congratulations!

Usage example

let stretchyHeaderViewController = StretchyHeaderViewController()
stretchyHeaderViewController.scrollView = myTableView
stretchyHeaderViewController.headerTitle = myAwesomeTitle
stretchyHeaderViewController.headerSubtitle = myAwesomeSubtitle
stretchyHeaderViewController.minHeaderHeight = 20
stretchyHeaderViewController.maxHeaderHeight = 300
stretchyHeaderViewController.image = myImage
self.present(stretchyHeaderViewController, animated: true, completion: nil)

and in the UIScrollView/UITableView/UICollectionView UIScrollViewDelegate :

func scrollViewDidScroll(_ scrollView: UIScrollView) {
    stretchyHeaderViewController.updateHeaderView()
}

TODO

  • Unit testing
  • Add option to get header image with an URL
  • Any suggestion…

Meta

Frederic Quenneville Distributed under the MIT license. See LICENSE for more information.

GitHub

View Github