fix: 增加防丢图片修改

lib/app/modules/hi_anti_lost/controllers/hi_anti_lost_controller.dart

@@ -3,6 +3,7 @@ import 'dart:typed_data';
 import 'dart:ui' as ui;
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
+import 'package:flutter/services.dart';
 import 'package:get/get.dart';
 import 'package:gal/gal.dart';
 import 'package:kaer_with_panels/app/utils/kr_common_util.dart';
@@ -10,10 +11,9 @@ import 'package:kaer_with_panels/app/widgets/dialogs/hi_dialog.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class HIAntiLostController extends GetxController {
-  final GlobalKey repaintKey = GlobalKey();
 
   Future<void> saveImage() async {
-    KRCommonUtil.kr_showLoading(message: "正在保存...");
+    // KRCommonUtil.kr_showLoading(message: "正在保存...");
     try {
       // Check permission
       final hasAccess = await Gal.hasAccess();
@@ -21,43 +21,23 @@ class HIAntiLostController extends GetxController {
         await Gal.requestAccess();
       }
 
-      // Capture image
-      RenderRepaintBoundary? boundary = repaintKey.currentContext
-          ?.findRenderObject() as RenderRepaintBoundary?;
+      // Load image from assets
+      final ByteData data =
+          await rootBundle.load('assets/images/lost-share-image.png');
+      final Uint8List pngBytes = data.buffer.asUint8List();
 
-      if (boundary == null) {
-        throw Exception("Cannot find boundary");
+      await Gal.putImageBytes(pngBytes);
+
+      String message = "已保存至系统相册";
+      if (Platform.isMacOS) {
+        message = "已保存至系统【照片】应用";
+      } else if (Platform.isWindows) {
+        message = "已保存至系统【图片】文件夹";
       }
 
-      // Check if the boundary needs layout (sometimes Offstage needs a frame)
-      if (boundary.debugNeedsPaint) {
-        await Future.delayed(const Duration(milliseconds: 20));
-        boundary = repaintKey.currentContext?.findRenderObject()
-            as RenderRepaintBoundary?;
-      }
-
-      ui.Image image = await boundary!.toImage(pixelRatio: 3.0);
-      ByteData? byteData =
-          await image.toByteData(format: ui.ImageByteFormat.png);
-
-      if (byteData != null) {
-        final Uint8List pngBytes = byteData.buffer.asUint8List();
-        await Gal.putImageBytes(pngBytes);
-        // KRCommonUtil.kr_showToast("保存成功");
-
-        String message = "已保存至系统相册";
-        if (Platform.isMacOS) {
-          message = "已保存至系统【照片】应用";
-        } else if (Platform.isWindows) {
-          message = "已保存至系统【图片】文件夹";
-        }
-
-        HIDialog.show(
-          message: message,
-        );
-      } else {
-        KRCommonUtil.kr_showToast("生成图片失败");
-      }
+      HIDialog.show(
+        message: message,
+      );
     } catch (e) {
       debugPrint("Save image error: $e");
       if (e is GalException) {
@@ -66,7 +46,7 @@ class HIAntiLostController extends GetxController {
         KRCommonUtil.kr_showToast("保存失败");
       }
     } finally {
-      KRCommonUtil.kr_hideLoading();
+      //KRCommonUtil.kr_hideLoading();
     }
   }