feat: 增加防丢失页面海报生成

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

@@ -1,3 +1,4 @@
+import 'dart:io';
 import 'dart:typed_data';
 import 'dart:ui' as ui;
 import 'package:flutter/material.dart';
@@ -5,6 +6,7 @@ import 'package:flutter/rendering.dart';
 import 'package:get/get.dart';
 import 'package:gal/gal.dart';
 import 'package:kaer_with_panels/app/utils/kr_common_util.dart';
+import 'package:kaer_with_panels/app/widgets/dialogs/hi_dialog.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class HIAntiLostController extends GetxController {
@@ -20,9 +22,9 @@ class HIAntiLostController extends GetxController {
       }
 
       // Capture image
-      RenderRepaintBoundary? boundary =
-          repaintKey.currentContext?.findRenderObject() as RenderRepaintBoundary?;
-      
+      RenderRepaintBoundary? boundary = repaintKey.currentContext
+          ?.findRenderObject() as RenderRepaintBoundary?;
+
       if (boundary == null) {
         throw Exception("Cannot find boundary");
       }
@@ -30,26 +32,38 @@ class HIAntiLostController extends GetxController {
       // 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?;
+        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");
+        // 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");
       }
     } catch (e) {
       debugPrint("Save image error: $e");
       if (e is GalException) {
-         KRCommonUtil.kr_showToast("保存失败: No Permission");
+        KRCommonUtil.kr_showToast("保存失败: No Permission");
       } else {
-         KRCommonUtil.kr_showToast("保存失败");
+        KRCommonUtil.kr_showToast("保存失败");
       }
     } finally {
       KRCommonUtil.kr_hideLoading();
@@ -67,7 +81,7 @@ class HIAntiLostController extends GetxController {
       } else {
         // Fallback to web
         if (!await launchUrl(webUrl, mode: LaunchMode.externalApplication)) {
-           KRCommonUtil.kr_showToast("无法打开链接");
+          KRCommonUtil.kr_showToast("无法打开链接");
         }
       }
     } catch (e) {
@@ -75,7 +89,7 @@ class HIAntiLostController extends GetxController {
       // Fallback to web if anything goes wrong
       try {
         if (!await launchUrl(webUrl, mode: LaunchMode.externalApplication)) {
-           KRCommonUtil.kr_showToast("无法打开链接");
+          KRCommonUtil.kr_showToast("无法打开链接");
         }
       } catch (e) {
         KRCommonUtil.kr_showToast("无法打开链接");