widget example

SampleWidget.swift

import SwiftUI
import WidgetKit

struct Mode1: Codable {
    var foo: String
}

struct Mode2: Codable {
    var bar: String
}

struct SimpleEntry: TimelineEntry {
    enum Mode {
        case mode1(Mode1)
        case mode2(Mode2)
    }
    
    var date: Date
    var mode: Mode
}

struct Provider: TimelineProvider {
    func placeholder(in context: Context) -> SimpleEntry {
        SimpleEntry(date: .now, mode: .mode1(Mode1(foo: "hey")))
    }

    func getSnapshot(in context: Context, completion: @escaping (SimpleEntry) -> ()) {
        completion(Entry(date: .now, mode: .mode2(Mode2(bar: "yo"))))
    }

    func getTimeline(in context: Context, completion: @escaping (Timeline<SimpleEntry>) -> ()) {
        var entries = [SimpleEntry]()
        // Here you should pull read the user's configuration to determine which "Mode" you should be using for each entry
        // I'm going to populate an entry for each mode as an example.

        let currentDate = Date()
        entries.append(SimpleEntry(date: currentDate, mode: .mode1(Mode1(foo: "Hello"))))
        entries.append(SimpleEntry(date: currentDate, mode: .mode2(Mode2(bar: "こんにちは"))))

        let timeline = Timeline(entries: entries, policy: .atEnd)
        completion(timeline)
    }
}


struct SampleWidgetEntryView : View {
    var entry: Provider.Entry

    var body: some View {
        switch entry.mode {
        case .mode1(let modeConfiguration):
            Text(modeConfiguration.foo)
        case .mode2(let modeConfiguration):
            Text(modeConfiguration.bar)
        }
    }
}

struct SampleWidget: Widget {
    let kind: String = "SampleWidget"

    var body: some WidgetConfiguration {
        StaticConfiguration(kind: kind, provider: Provider()) { entry in
            SampleWidgetEntryView(entry: entry)
        }
        .configurationDisplayName("My Widget")
        .description("This is an example widget.")
    }
}