From f46f53962f38b58a45ee76c396c02af81d3e5acd Mon Sep 17 00:00:00 2001
From: "DESKTOP-I3JPKHK\\wy" <1111>
Date: Tue, 25 Nov 2025 17:47:22 +0800
Subject: [PATCH] 1111

---
 lib/app_upgrade_plugin_method_channel.dart | 23 +++++++++++-----
 lib/app_upgrade_simple.dart                | 31 +++++++++++++++++-----
 lib/core/permission_helper.dart            | 16 ++++++++---
 3 files changed, 55 insertions(+), 15 deletions(-)

diff --git a/lib/app_upgrade_plugin_method_channel.dart b/lib/app_upgrade_plugin_method_channel.dart
index 3ba8782..d45010e 100644
--- a/lib/app_upgrade_plugin_method_channel.dart
+++ b/lib/app_upgrade_plugin_method_channel.dart
@@ -495,12 +495,23 @@ class MethodChannelAppUpgradePlugin extends AppUpgradePluginPlatform {
         return true;
       }
       debugPrint('当前APP没有上架当前设备对应的应用市场');
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: Text('当前APP没有上架当前设备对应的应用市场'),
-          duration: Duration(seconds: 2),
-        ),
-      );
+      if (context.mounted) {
+        try {
+          final scaffoldMessenger = ScaffoldMessenger.maybeOf(context);
+          if (scaffoldMessenger != null) {
+            scaffoldMessenger.showSnackBar(
+              SnackBar(
+                content: Text('当前APP没有上架当前设备对应的应用市场'),
+                duration: Duration(seconds: 2),
+              ),
+            );
+          } else {
+            debugPrint('提示（无Scaffold）: 当前APP没有上架当前设备对应的应用市场');
+          }
+        } catch (e) {
+          debugPrint('显示提示失败: $e');
+        }
+      }
       // Fluttertoast.showToast(msg: '当前APP没有上架当前设备对应的应用市场');
       return false;
     } catch (e) {
diff --git a/lib/app_upgrade_simple.dart b/lib/app_upgrade_simple.dart
index 34f7f56..7ade107 100644
--- a/lib/app_upgrade_simple.dart
+++ b/lib/app_upgrade_simple.dart
@@ -524,12 +524,31 @@ class AppUpgradeSimple {
     if (effectiveConfig.customToast != null) {
       effectiveConfig.customToast!(message);
     } else {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: Text(message),
-          duration: Duration(seconds: 2),
-        ),
-      );
+      // 检查 context 是否有效且有 Scaffold
+      if (!context.mounted) {
+        debugPrint('Toast消息（context已卸载）: $message');
+        return;
+      }
+
+      try {
+        // 尝试获取 ScaffoldMessenger，如果失败则使用 debugPrint
+        final scaffoldMessenger = ScaffoldMessenger.maybeOf(context);
+        if (scaffoldMessenger != null) {
+          scaffoldMessenger.showSnackBar(
+            SnackBar(
+              content: Text(message),
+              duration: Duration(seconds: 2),
+            ),
+          );
+        } else {
+          // 如果没有 Scaffold，使用 debugPrint 作为后备方案
+          debugPrint('Toast消息（无Scaffold）: $message');
+        }
+      } catch (e) {
+        // 如果出现任何错误，使用 debugPrint 作为后备方案
+        debugPrint('显示Toast失败: $e');
+        debugPrint('Toast消息: $message');
+      }
     }
   }
 
diff --git a/lib/core/permission_helper.dart b/lib/core/permission_helper.dart
index 25dae97..adb5569 100644
--- a/lib/core/permission_helper.dart
+++ b/lib/core/permission_helper.dart
@@ -267,9 +267,19 @@ class PermissionHelper {
           message = '未授予安装权限，无法完成更新。';
           break;
       }
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(content: Text(message)),
-      );
+      try {
+        final scaffoldMessenger = ScaffoldMessenger.maybeOf(context);
+        if (scaffoldMessenger != null) {
+          scaffoldMessenger.showSnackBar(
+            SnackBar(content: Text(message)),
+          );
+        } else {
+          debugPrint('权限提示（无Scaffold）: $message');
+        }
+      } catch (e) {
+        debugPrint('显示权限提示失败: $e');
+        debugPrint('权限提示: $message');
+      }
     }
 
     return status == InstallPermissionStatus.granted;