add config icon feature

iosApp/WidgetExtension/HomeWidgetExample.swift

@@ -46,6 +46,7 @@ struct Provider: TimelineProvider {
             playText: playText,
             isShutdown: isShutdown,
             bgColor: bgColor,
+            appIconCharacterId: data?.string(forKey: "appIconCharacterId") ?? "default",
             isPreview: isPreview
         )
     }
@@ -62,6 +63,7 @@ private func sampleEntry(family: WidgetFamily, isPreview: Bool) -> ExampleEntry
         playText: "",
         isShutdown: true,
         bgColor: "255,255,255",
+        appIconCharacterId: "default",
         isPreview: isPreview
     )
 }
@@ -76,6 +78,7 @@ struct ExampleEntry: TimelineEntry {
     let playText: String
     let isShutdown: Bool
     let bgColor: String
+    let appIconCharacterId: String
     let isPreview: Bool
 }
 
@@ -90,6 +93,19 @@ struct HomeWidgetExampleEntryView: View {
         self.isWhiteBackground = isWhiteBackground
     }
 
+    private var selectedAppIcon: UIImage? {
+        let id = entry.appIconCharacterId
+        guard id != "default", !id.contains("/"),
+              let url = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: widgetGroupId)?
+                .appendingPathComponent("app-icon-\(id)-\(isWhiteBackground ? "light" : "dark").png") else { return nil }
+        return UIImage(contentsOfFile: url.path)
+    }
+
+    private var appLogo: Image {
+        if let selected = selectedAppIcon { return Image(uiImage: selected) }
+        return Image("logo")
+    }
+
     var body: some View {
         let canvas = familyCanvasSize
             let cdSize: CGFloat = 140
@@ -157,7 +173,7 @@ struct HomeWidgetExampleEntryView: View {
                 
                 // 绘制左侧一列歌曲信息
                 VStack(alignment: .leading) {
-                    Image("logo")
+                    appLogo
                         .resizable()
                         .scaledToFit()
                         .frame(width: 30, height: 30)
@@ -491,6 +507,7 @@ private enum WidgetI18n {
         playText: "playing,paused",
         isShutdown: true,
         bgColor: "255,255,255",
+        appIconCharacterId: "default",
         isPreview: true
     )
 }