完成提交

example/lib/main_enhanced.dart

@@ -311,6 +311,7 @@ class _MyHomePageState extends State<MyHomePage> {
                         autoDownload: true,
                         autoInstall: false,
                         installTimeout: 60,
+                        requireInstallPermission: false, // 不需要权限
                         customToast: (message) {
                           ScaffoldMessenger.of(context).showSnackBar(
                             SnackBar(
@@ -321,12 +322,25 @@ class _MyHomePageState extends State<MyHomePage> {
                         },
                       ));
                       ScaffoldMessenger.of(context).showSnackBar(
-                        const SnackBar(content: Text('已配置自定义设置')),
+                        const SnackBar(content: Text('已配置自定义设置（无权限模式）')),
                       );
                     },
               icon: const Icon(Icons.settings),
               label: const Text('自定义配置'),
             ),
+            const SizedBox(height: 8),
+            ElevatedButton.icon(
+              onPressed: _isLoading
+                  ? null
+                  : () {
+                      AppUpgradeSimple.instance.configure(UpgradeConfig.withPermission);
+                      ScaffoldMessenger.of(context).showSnackBar(
+                        const SnackBar(content: Text('已启用权限模式')),
+                      );
+                    },
+              icon: const Icon(Icons.security),
+              label: const Text('启用权限模式'),
+            ),
           ],
         ),
       ),

lib/app_upgrade_simple.dart

@@ -124,6 +124,9 @@ class UpgradeConfig {
   /// 自定义Toast显示函数
   final void Function(String message)? customToast;
 
+  /// 是否需要获取安装未知应用权限（默认false，直接安装）
+  final bool requireInstallPermission;
+
   const UpgradeConfig({
     this.showNoUpdateToast = true,
     this.autoDownload = false,
@@ -133,18 +136,21 @@ class UpgradeConfig {
     this.installTimeout = 45,
     this.enableDebugLog = true,
     this.customToast,
+    this.requireInstallPermission = false, // 默认不需要权限
   });
 
-  /// 快速配置：自动更新
+  /// 快速配置：自动更新（不需要权限）
   static const UpgradeConfig auto = UpgradeConfig(
     autoDownload: true,
     autoInstall: true,
+    requireInstallPermission: false,
   );
 
   /// 快速配置：静默检查
   static const UpgradeConfig silent = UpgradeConfig(
     showNoUpdateToast: false,
     enableDebugLog: false,
+    requireInstallPermission: false,
   );
 
   /// 快速配置：开发模式（详细日志 + 较短超时）
@@ -152,6 +158,7 @@ class UpgradeConfig {
     enableDebugLog: true,
     installTimeout: 30,
     connectionTimeout: 10,
+    requireInstallPermission: false,
   );
 
   /// 快速配置：生产模式（静默 + 较长超时）
@@ -160,6 +167,12 @@ class UpgradeConfig {
     enableDebugLog: false,
     installTimeout: 60,
     connectionTimeout: 30,
+    requireInstallPermission: false,
+  );
+
+  /// 快速配置：需要权限模式（传统方式）
+  static const UpgradeConfig withPermission = UpgradeConfig(
+    requireInstallPermission: true,
   );
 }
 
@@ -591,16 +604,22 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
       _statusText = '准备安装...';
     });
 
-    final hasPermission = await PermissionHelper.checkAndRequestInstallPermission(context: context);
+    // 根据配置决定是否需要检查权限
-    if (!hasPermission) {
+    if (config.requireInstallPermission) {
-      if (mounted) {
+      debugPrint('🔐 检查安装权限（配置要求）');
-        setState(() {
+      final hasPermission = await PermissionHelper.checkAndRequestInstallPermission(context: context);
-          _isInstalling = false;
+      if (!hasPermission) {
-          _statusText = '权限被拒绝';
+        if (mounted) {
-        });
+          setState(() {
-        showToast('未授予安装权限，无法完成更新');
+            _isInstalling = false;
+            _statusText = '权限被拒绝';
+          });
+          showToast('未授予安装权限，无法完成更新');
+        }
+        return;
       }
-      return;
+    } else {
+      debugPrint('🚀 跳过权限检查，直接安装（配置默认）');
     }
 
     if (mounted) {
@@ -619,7 +638,7 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
             _isWaitingForInstallation = true;
             _statusText = '请完成安装';
           });
-          showToast('请在系统弹窗中完成安装，完成后点击下方确认按钮');
+          showToast('请在系统弹窗中完成安装');
 
           // 启动定时检测（备用方案）
           _startInstallationTimeoutCheck();
@@ -748,8 +767,8 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
         return;
       }
 
-      // 如果是权限被拒绝，先尝试重新请求权限
+      // 如果是权限被拒绝，且配置要求权限，先尝试重新请求权限
-      if (_statusText == '权限被拒绝') {
+      if (_statusText == '权限被拒绝' && config.requireInstallPermission) {
         final hasPermission = await PermissionHelper.checkAndRequestInstallPermission(context: context);
         if (!hasPermission) {
           showToast('仍未获得安装权限，请在设置中手动开启');
@@ -1394,7 +1413,7 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
 
   /// 获取重试按钮图标
   IconData _getRetryButtonIcon() {
-    if (_statusText == '权限被拒绝') {
+    if (_statusText == '权限被拒绝' && config.requireInstallPermission) {
       return Icons.settings;
     } else if (_statusText == '安装失败' ||
         _statusText == '安装异常' ||
@@ -1414,7 +1433,7 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
 
   /// 获取重试按钮文本
   String _getRetryButtonText() {
-    if (_statusText == '权限被拒绝') {
+    if (_statusText == '权限被拒绝' && config.requireInstallPermission) {
       return '设置';
     } else if (_statusText == '安装失败' ||
         _statusText == '安装异常' ||
@@ -1452,7 +1471,7 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
     return _statusText == '安装被取消' ||
         _statusText == '安装失败' ||
         _statusText == '安装异常' ||
-        _statusText == '权限被拒绝' ||
+        (_statusText == '权限被拒绝' && config.requireInstallPermission) ||
         _statusText == '安装超时' ||
         _statusText == '检测失败' ||
         _statusText == '等待安装中' ||
@@ -1480,7 +1499,7 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
       case '安装被取消':
         return '点击重新安装';
       case '权限被拒绝':
-        return '点击打开设置';
+        return config.requireInstallPermission ? '点击打开设置' : '点击重试';
       case '安装超时':
         return '点击重新尝试';
       default: