Created app groups for widget extension and app, Fetching favorite co…

…ins from AppStorage added.
adessoTurkey · Oct 4, 2023 · a0c33d3 · a0c33d3
1 parent 42e01f3
commit a0c33d3
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Showing 4 changed files with 81 additions and 20 deletions.
diff --git a/CoinWidgetExtension/CoinWidgetExtension.entitlements b/CoinWidgetExtension/CoinWidgetExtension.entitlements
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.com.adesso.SampleAppSwiftUI</string>
+	</array>
+</dict>
+</plist>
diff --git a/CoinWidgetExtension/CoinWidgetExtension.swift b/CoinWidgetExtension/CoinWidgetExtension.swift
@@ -9,40 +9,57 @@ import WidgetKit
 import SwiftUI
 
 struct Provider: TimelineProvider {
+    @AppStorage("favoriteCoins", store: UserDefaults(suiteName: "group.com.adesso.SampleAppSwiftUI")) var favoriteCoins: [CoinData] = []
+
     func placeholder(in context: Context) -> SimpleEntry {
-        SimpleEntry(date: Date())
+        SimpleEntry(favoriteCoins: favoriteCoins)
     }
 
     func getSnapshot(in context: Context, completion: @escaping (SimpleEntry) -> ()) {
-        let entry = SimpleEntry(date: Date())
+        let entry = SimpleEntry(favoriteCoins: favoriteCoins)
         completion(entry)
     }
 
     func getTimeline(in context: Context, completion: @escaping (Timeline<Entry>) -> ()) {
-        var entries: [SimpleEntry] = []
-
-        // Generate a timeline consisting of five entries an hour apart, starting from the current date.
-        let currentDate = Date()
-        for hourOffset in 0 ..< 5 {
-            let entryDate = Calendar.current.date(byAdding: .hour, value: hourOffset, to: currentDate) ?? Date()
-            let entry = SimpleEntry(date: entryDate)
-            entries.append(entry)
-        }
-
-        let timeline = Timeline(entries: entries, policy: .atEnd)
+        let timeline = Timeline(entries: [SimpleEntry(favoriteCoins: favoriteCoins)], policy: .atEnd)
         completion(timeline)
     }
 }
 
 struct SimpleEntry: TimelineEntry {
-    let date: Date
+    let date = Date()
+    var favoriteCoins: [CoinData]
 }
 
-struct CoinWidgetExtensionEntryView : View {
+struct CoinWidgetExtensionEntryView: View {
+    @Environment(\.widgetFamily) var widgetFamily
     var entry: Provider.Entry
 
+    @ViewBuilder
+    var emptyView: some View {
+        Text("There are no favorite coins")
+    }
+
+    @ViewBuilder
+    var coinsView: some View {
+        VStack {
+            ForEach(entry.favoriteCoins) { val in
+                HStack {
+                    Text(val.coinInfo?.title ?? "")
+                }
+            }
+        }
+    }
+
     var body: some View {
-        Text(entry.date, style: .time)
+        switch widgetFamily {
+            case .systemSmall:
+                entry.favoriteCoins.isEmpty ? AnyView(emptyView) : AnyView(coinsView)
+            case .systemMedium:
+                entry.favoriteCoins.isEmpty ? AnyView(emptyView) : AnyView(coinsView)
+            default:
+                Text(entry.date, style: .time)
+        }
     }
 }
 
@@ -55,13 +72,35 @@ struct CoinWidgetExtension: Widget {
         }
         .configurationDisplayName("My Widget")
         .description("This is an example widget.")
+        .supportedFamilies([.systemSmall, .systemMedium])
     }
 }
 
 struct CoinWidgetExtension_Previews: PreviewProvider {
     static var previews: some View {
-        VStack {
-            CoinWidgetExtensionEntryView(entry: SimpleEntry(date: Date()))
-        }.previewContext(WidgetPreviewContext(family: .systemSmall))
+
+        CoinWidgetExtensionEntryView(entry: SimpleEntry(favoriteCoins: [])).previewContext(WidgetPreviewContext(family: .systemSmall))
+        CoinWidgetExtensionEntryView(entry: SimpleEntry(favoriteCoins: [])).previewContext(WidgetPreviewContext(family: .systemMedium))
+
+    }
+}
+
+extension Array: RawRepresentable where Element: Codable {
+public init?(rawValue: String) {
+    guard let data = rawValue.data(using: .utf8),
+          let result = try? JSONDecoder().decode([Element].self, from: data)
+    else {
+        return nil
+    }
+    self = result
+}
+
+public var rawValue: String {
+    guard let data = try? JSONEncoder().encode(self),
+          let result = String(data: data, encoding: .utf8)
+    else {
+        return "[]"
+    }
+    return result
     }
 }
diff --git a/SampleAppSwiftUI/SampleAppSwiftUI.entitlements b/SampleAppSwiftUI/SampleAppSwiftUI.entitlements
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.com.adesso.SampleAppSwiftUI</string>
+	</array>
+</dict>
+</plist>
diff --git a/SampleAppSwiftUI/Utility/Managers/StorageManager.swift b/SampleAppSwiftUI/Utility/Managers/StorageManager.swift
@@ -6,14 +6,16 @@
 //
 
 import SwiftUI
+import WidgetKit
 
 final class StorageManager: ObservableObject {
 
     static let shared = StorageManager()
 
-    @AppStorage("favoriteCoins") var favoriteCoins: [CoinData] = [] {
+    @AppStorage("favoriteCoins", store: UserDefaults(suiteName: "group.com.adesso.SampleAppSwiftUI")) var favoriteCoins: [CoinData] = [] {
         didSet {
             objectWillChange.send()
+            WidgetCenter.shared.reloadAllTimelines()
         }
     }