SwiftPizza App for Apple ActivityKit & WidgetKit

by iOS Example

iOS16 Live Activities ( ActivityKit Demo)

SwiftPizza ???‍? App for Apple ActivityKit & WidgetKit

This is the first project example referring to the latest Apple ActivityKit beta release.

Live Activities will help you follow an ongoing activity right from your Lock Screen, so you can track the progress of your food delivery or use the Now Playing controls without unlocking your device.

Preview

More Videos

https://twitter.com/1998design/status/1552681295607566336?s=21&t=waceX8VvaP-VCGc2KJmHpw https://twitter.com/1998design/status/1552686498276814848?s=21&t=waceX8VvaP-VCGc2KJmHpw

Environment

  • iOS 16 beta 4 or above
  • Xcode 14 beta 4 or above

Tutorial

Medium: https://1998design.medium.com/how-to-create-live-activities-widget-for-ios-16-2c07889f1235

Usage

Info.plist

Add NSSupportsLiveActivities key and set to YES.

Import

import ActivityKit

Activity Attributes (Targeted to both App and Widget)

struct PizzaDeliveryAttributes: ActivityAttributes {
    public typealias PizzaDeliveryStatus = ContentState

    public struct ContentState: Codable, Hashable {
        var driverName: String
        var estimatedDeliveryTime: Date
    }

    var numberOfPizzas: Int
    var totalAmount: String
}

Gist: https://gist.github.com/1998code/c58a0e53ce1eae2ba5f0549ae6d9a370

Functions (Start / Update / Stop / Show ALL)

func startDeliveryPizza() {
    let pizzaDeliveryAttributes = PizzaDeliveryAttributes(numberOfPizzas: 1, totalAmount:"$99")

    let initialContentState = PizzaDeliveryAttributes.PizzaDeliveryStatus(driverName: "TIM ??‍?", estimatedDeliveryTime: Date().addingTimeInterval(15 * 60))

    do {
        let deliveryActivity = try Activity<PizzaDeliveryAttributes>.request(
            attributes: pizzaDeliveryAttributes,
            contentState: initialContentState,
            pushType: nil)
        print("Requested a pizza delivery Live Activity \(deliveryActivity.id)")
    } catch (let error) {
        print("Error requesting pizza delivery Live Activity \(error.localizedDescription)")
    }
}

func updateDeliveryPizza() {
    Task {
        let updatedDeliveryStatus = PizzaDeliveryAttributes.PizzaDeliveryStatus(driverName: "TIM ??‍?", estimatedDeliveryTime: Date().addingTimeInterval(60 * 60))

        for activity in Activity<PizzaDeliveryAttributes>.activities{
            await activity.update(using: updatedDeliveryStatus)
        }
    }
}

func stopDeliveryPizza() {
    Task {
        for activity in Activity<PizzaDeliveryAttributes>.activities{
            await activity.end(dismissalPolicy: .immediate)
        }
    }
}

func showAllDeliveries() {
    Task {
        for activity in Activity<PizzaDeliveryAttributes>.activities {
            print("Pizza delivery details: \(activity.id) -> \(activity.attributes)")
        }
    }
}

Gist: https://gist.github.com/1998code/f32848acf22dc776b168f82cd68e8c61

Widgets

import ActivityKit
import WidgetKit
import SwiftUI

@main
struct Widgets: WidgetBundle {
   var body: some Widget {
       PizzaDeliveryActivityWidget()
   }
}

struct PizzaDeliveryActivityWidget: Widget {
    var body: some WidgetConfiguration {
        ActivityConfiguration(attributesType: PizzaDeliveryAttributes.self) { context in
            VStack(alignment: .leading) {
                HStack {
                    VStack(alignment: .leading) {
                        Text("\(context.state.driverName) is on the way!").font(.headline)
                        HStack {
                            VStack {
                                Divider().frame(height: 6).overlay(.blue).cornerRadius(5)
                            }
                            Image(systemName: "box.truck.badge.clock.fill").foregroundColor(.blue)
                            VStack {
                                RoundedRectangle(cornerRadius: 5)
                                    .stroke(style: StrokeStyle(lineWidth: 1, dash: [5]))
                                    .frame(height: 6)
                            }
                            Text(context.state.estimatedDeliveryTime, style: .timer)
                            VStack {
                                RoundedRectangle(cornerRadius: 5)
                                    .stroke(style: StrokeStyle(lineWidth: 1, dash: [5]))
                                    .frame(height: 6)
                            }
                            Image(systemName: "house.fill").foregroundColor(.green)
                        }
                    }.padding(.trailing, 25)
                    Text("\(context.attributes.numberOfPizzas) ?").font(.title).bold()
                }.padding(5)
                Text("You've already paid: \(context.attributes.totalAmount) + $9.9 Delivery Fee ?").font(.caption).foregroundColor(.secondary)
            }.padding(15)
        }
    }
}

Gist: https://gist.github.com/1998code/fea1227e866bc8c9a82ed1dc9654cdc3

Responses

Start Activity

// Requested a pizza delivery Live Activity DA288E1B-F6F5-4BF1-AA73-E43E0CC13150

Show ALL Activities

// Pizza delivery details: DA288E1B-F6F5-4BF1-AA73-E43E0CC13150 -> PizzaDeliveryAttributes(numberOfPizzas: 1, totalAmount: "$99")

Resources

https://developer.apple.com/documentation/activitykit/displaying-live-data-on-the-lock-screen-with-live-activities

Legal

Swift® and SwiftUI® are trademarks of Apple Inc.

GitHub

View Github