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gh123man/SwiftUI-Refresher 1.1.8
A native, customizable SwiftUI refresh control
⭐ïļ 96
🕓 9 weeks ago
iOS
.package(url: "https://github.com/gh123man/SwiftUI-Refresher.git", from: "1.1.8")

Refresher

A customizable, native SwiftUI refresh control for iOS 14+

Why?

  • the native SwiftUI refresh control only works on iOS 15+
  • the native UIKit refresh control works with ugly wrappers, but has buggy behavior with navigation views
  • I needed a refresh control that could accomodate an overlay (such as appearing on top of a static image)
  • This one is very customizable

See it in action

If you want to see it in a real app, check out dateit

Also works well with ScrollViewLoader

Usage

First add the package to your project.

import Refresher 

struct DetailsView: View {
    @State var refreshed = 0

    var body: some View {
        ScrollView {
            Text("Details!")
            Text("Refreshed: \(refreshed)")
        }
        .refresher { // Called when pulled to refresh
            await Task.sleep(seconds: 2)
            refreshed += 1
        }
    }
}

Features

  • async/await compatible - even on iOS 14
  • completion callback also supported for DispatchQueue operations
  • .default and .system styles (see below for details)
  • customizable refresh spinner (see below for example)

Examples and usage

See: Examples for a full sample project with multiple implementations

Navigation view

Navigation

Refresher plays nice with both Navigation views and navigation subviews.

Subview

Detail view with overlay

Refresher supports an overlay mode to show a refresh indicator over fixed position content

.refresher(overlay: true)

Overlay

System style

Refresher's default animation is designed to be more flexible than the system animation style. If you want Refresher to behave more like they system refresh control, you can change the style:

.refresher(style: .system) { done in

System

Customization

Refresher can take a custom spinner view. Your custom view will get a binding instances of the refresher state that contains useful properties for managing animations and translations. Here is a custom spinner that shows an emoji:

public struct EmojiRefreshView: View {
    @Binding var state: RefresherState
    @State private var angle: Double = 0.0
    @State private var isAnimating = false
    
    var foreverAnimation: Animation {
        Animation.linear(duration: 1.0)
            .repeatForever(autoreverses: false)
    }
    
    public var body: some View {
        VStack {
            switch state.mode {
            case .notRefreshing:
                Text("ðŸĪŠ")
                    .onAppear {
                        isAnimating = false
                    }
            case .pulling:
                Text("ðŸ˜Ŋ")
                    .rotationEffect(.degrees(360 * state.dragPosition))
            case .refreshing:
                Text("😂")
                    .rotationEffect(.degrees(self.isAnimating ? 360.0 : 0.0))
                        .onAppear {
                            withAnimation(foreverAnimation) {
                                isAnimating = true
                            }
                    }
            }
        }
        .scaleEffect(2)
    }
}

Add the custom refresherView:

.refresher(refreshView: EmojiRefreshView.init ) { done in

Custom

Completion handler

If you prefer to call a completion to stop the refresher:

.refresher(style: .system) { done in
    DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(1)) {
        refreshed += 1
        done() // Call done to stop the refresher
    }
}

GitHub

link
Stars: 96
Last commit: 9 weeks ago
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Release Notes

1.1.8
9 weeks ago

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API | Analytics