自定义图标

lib/utils/app_icon_channel.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/services.dart';
+
+/// 应用图标原生通道
+/// 通过 MethodChannel 调用 Android activity-alias 切换桌面图标
+class AppIconChannel {
+  static const MethodChannel _channel =
+      MethodChannel('top.iletter.mooknote/icon');
+
+  /// 切换桌面图标
+  /// [iconName] 图标名称，如 'app_icon' 或 'app_icon2'
+  /// 返回是否成功
+  static Future<bool> switchIcon(String iconName) async {
+    try {
+      final result = await _channel.invokeMethod('switchIcon', {
+        'iconName': iconName,
+      });
+      return result == true;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  /// 获取当前启用的图标名称
+  static Future<String> getCurrentIcon() async {
+    try {
+      final result = await _channel.invokeMethod('getCurrentIcon');
+      return result as String? ?? 'app_icon';
+    } catch (e) {
+      return 'app_icon';
+    }
+  }
+}