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Description

A scroll view with a sticky header which shrinks as you scroll. Written with SwiftUI.

Programming language: Swift
License: MIT License
Tags: Animation     UI     Swift     SwiftUI     Scroll    

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README

Scaling Header Scroll View

A scroll view with a sticky header which shrinks as you scroll. Written with SwiftUI.


We are a development agency building phenomenal apps.

Twitter Version Carthage Compatible License Platform

Usage

  1. Put your header and content bodies code into a ScalingHeaderScrollView constructor.
  2. Set the necessary modifiers, see below.

    struct ContentView: View {
    
    var body: some View {
       ScalingHeaderScrollView {
            ZStack {
                Rectangle()
                    .fill(.gray.opacity(0.15))
                Image("header")
            }
        } content: {
            Text("↓ Pull to refresh ↓")
                .multilineTextAlignment(.center)
                .padding()
        }
    }
    }
    

Required parameters

header - @ViewBuilder for your header
content - @ViewBuilder for your content

Available modifiers, optional

passes current collapse progress value into progress binding: 0 for not collapsed at all, 1 - for fully collapsed

.collapseProgress(_ progress: Binding<CGFloat>)

allows set up callback and isLoading state for pull-to-refresh action

.pullToRefresh(isLoading: Binding<Bool>, perform: @escaping () -> Void)

allows content scroll reset, need to change Binding to true

.scrollToTop(resetScroll: Binding<Bool>)

changes min and max heights of Header, default min = 150.0 and max = 350.0

.height(min: CGFloat = 150.0, max: CGFloat = 350.0)

when scrolling up - switch between actual header collapse and simply moving it up (by default moving up)

.allowsHeaderCollapse()

when scrolling down - enable (disabled by default) header scale

.allowsHeaderGrowth()

enable (disabled by default) header snap (once you lift your finger header snaps either to min or max height automatically)

.allowsHeaderSnap()

Examples

To try ScalingHeaderScrollView examples:

  • Clone the repo https://github.com/exyte/ScalingHeaderScrollView.git
  • Open terminal and run cd <ScalingHeaderScrollViewRepo>/Example/
  • Run pod install to install all dependencies
  • Run open Example.xcworkspace/ to open project in the Xcode
  • Try it!

Installation

CocoaPods

To install ScalingHeaderScrollView, simply add the following line to your Podfile:

pod 'ScalingHeaderScrollView'

Carthage

To integrate ScalingHeaderScrollView into your Xcode project using Carthage, specify it in your Cartfile

github "Exyte/ScalingHeaderScrollView"

Swift Package Manager

dependencies: [
    .package(url: "https://github.com/exyte/ScalingHeaderScrollView.git", from: "1.0.0")
]

Requirements

  • iOS 14+
  • Xcode 12+


*Note that all licence references and agreements mentioned in the Scaling Header Scroll View README section above are relevant to that project's source code only.