pref:权限申请页面优化

吴启风
1 parent 1f5969b8
Showing 3 changed files with 124 additions and 50 deletions
lib/common/permission/permissionRequestPage.dart
lib/pages/user/modify/modify_user_avatar_page.dart
lib/pages/user/modify/user_avatar_bloc/user_avatar_bloc.dart
+import 'dart:async';
 import 'dart:io';
 import 'package:flutter/material.dart';
+import 'package:package_info_plus/package_info_plus.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:wow_english/common/core/app_config_helper.dart';
 import '../../utils/log_util.dart';
-/// 权限检查及请求
+/// 带隐私合规功能的权限检查及请求
 /// 外部可通过此方法来进行权限的检查和请求，将自动跳转到`PermissionRequestPage`页面。
 /// 传入 `Permission` 以及对应的权限名称 `permissionTypeStr`，如果有权限则返回 `Future true`
 /// `isRequiredPermission` 如果为 `true`,则 "取消" 按钮将执行 "退出app" 的操作
+Future<bool> permissionCheckAndRequests(
+    BuildContext context,
+    List<Permission> permissions,
+    List<String> permissionTypeStrs,
+    {bool isRequiredPermission = false}) async {
+
+  // List<PermissionStatus> statuses = await Future.wait(
+  //   permissions.map((permission) => permission.status),
+  // );
+  // bool allGranted = statuses.every((status) => status.isGranted);
+
+  bool allGranted = await isPermissionsGranted(permissions);
+    if (allGranted) {
+      return true;
+    } else {
+      return await Navigator.of(context).push(PageRouteBuilder(
+          opaque: false,
+          pageBuilder: ((context, animation, secondaryAnimation) {
+            return PermissionRequestPage(permissions, permissionTypeStrs,
+                isRequiredPermission: isRequiredPermission);
+          })));
+    }
+}
+
 Future<bool> permissionCheckAndRequest(
     BuildContext context,
     Permission permission,
     String permissionTypeStr,
     {bool isRequiredPermission = false}) async {
-  if (!await permission.status.isGranted) {
-    await Navigator.of(context).push(PageRouteBuilder(
-        opaque: false,
-        pageBuilder: ((context, animation, secondaryAnimation) {
-          return PermissionRequestPage(permission, permissionTypeStr,
-              isRequiredPermission: isRequiredPermission);
-        })));
-  } else {
-    return true;
+  return permissionCheckAndRequests(context, [permission], [permissionTypeStr],
+      isRequiredPermission: isRequiredPermission);
+    }
+
+///判断权限数组是否都授予
+Future<bool> isPermissionsGranted(List<Permission> permissions) async {
+  // 使用 every 直接检查权限状态
+  return await Future.wait(permissions.map((permission) async {
+    return await permission.status.isGranted;
+  })).then((statuses) => statuses.every((status) => status));
+}
+
+///请求权限
+Future<MapEntry<Permission, PermissionStatus>?> requestPermissions(List<Permission> permissionList) async {
+  Map<Permission, PermissionStatus> statusesMap = await permissionList.request();
+  for (var entry in statusesMap.entries) {
+    if (!entry.value.isGranted) {
+      return entry;
+    }
   }
-  return false;
+  return null;
 }
 class PermissionRequestPage extends StatefulWidget {
-  const PermissionRequestPage(this.permission, this.permissionTypeStr,
+  const PermissionRequestPage(this.permissions, this.permissionTypeStrs,
       {super.key, this.isRequiredPermission = false});
-  final Permission permission;
-  final String permissionTypeStr;
+  final List<Permission> permissions;
+  final List<String> permissionTypeStrs;
+  ///是否需要强制授予
   final bool isRequiredPermission;
   @override
@@ -49,13 +86,14 @@ class _PermissionRequestPageState extends State&lt;PermissionRequestPage&gt;
   void initState() {
     super.initState();
     WidgetsBinding.instance.addObserver(this);
+    String permissionTypeStrs = widget.permissionTypeStrs.join('、');
     msgList = [
-      "${widget.permissionTypeStr}功能需要获取您设备的${widget.permissionTypeStr}权限，否则可能无法正常工作。\n是否申请${widget.permissionTypeStr}权限？",
-      "${widget.permissionTypeStr}权限不全，是否重新申请权限？",
-      "没有${widget.permissionTypeStr}权限，您可以手动开启权限",
+      "Wow English需要获取您设备的$permissionTypeStrs权限，否则可能无法正常工作。\n是否同意授予？",
+      "$permissionTypeStrs权限不全，是否重新申请权限？",
+      "没有$permissionTypeStrs权限，您可以手动开启权限",
       widget.isRequiredPermission ? "退出应用" : "取消"
     ];
-    _checkPermission(widget.permission);
+    _handlePermission(widget.permissions);
   }
   @override
@@ -64,35 +102,63 @@ class _PermissionRequestPageState extends State&lt;PermissionRequestPage&gt;
     Log.d("didChangeAppLifecycleState state=$state _isGoSetting=$_isGoSetting");
     // 监听 app 从后台切回前台
     if (state == AppLifecycleState.resumed && _isGoSetting) {
-      _checkPermission(widget.permission);
+      _handlePermission(widget.permissions);
     }
   }
   /// 校验权限
-  void _checkPermission(Permission permission) async {
-    final PermissionStatus status = await permission.status;
-    _handlePermissionStatus(permission, status);
+  void _handlePermission(List<Permission> permissions) async {
+    ///一个新待申请权限列表
+    List<Permission> intentPermissionList = [];
+
+    ///遍历当前权限申请列表
+    for (Permission permission in permissions) {
+      PermissionStatus status = await permission.status;
+
+      ///如果不是允许状态就添加到新的申请列表中
+      if (!status.isGranted) {
+        intentPermissionList.add(permission);
+      }
+    }
+
+    if (intentPermissionList.isEmpty) {
+      _popPage(true);
+    } else {
+      _requestPermission(intentPermissionList);
+    }
   }
-  void _handlePermissionStatus(Permission permission, PermissionStatus status) {
-    Log.d('_handlePermissionStatus=$status permission=$permission');
-    if (status.isGranted) {
-      _popPage();
+  ///实际触发请求权限
+  Future<void> _requestPermission(List<Permission> permissions) async {
+    Log.d('_requestPermission permissions=$permissions');
+    if (await isPermissionsGranted(permissions)) {
+      _popPage(true);
       return;
     }
+    MapEntry<Permission, PermissionStatus>? statusEntry = await requestPermissions(permissions);
+    if (statusEntry == null) {
+      ///都手动同意授予了
+      _popPage(true);
+      return;
+    }
+
+    Permission permission = statusEntry.key;
+    PermissionStatus status = statusEntry.value;
     // 还未申请权限或之前拒绝了权限(在 iOS 上为首次申请权限，拒绝后将变为 `永久拒绝权限`)
     if (status.isDenied) {
       showAlert(
           permission, msgList[0], msgList[3], _isGoSetting ? "前往系统设置" : "确定");
     }
     // 权限已被永久拒绝
+    /// 在 Android 上：Android 11+ （API 30+）：用户是否第二次拒绝权限。低于 Android 11 （API 30）：用户是否拒绝访问请求的功能，并选择不再显示请求。
+    /// 在 iOS 上：如果用户拒绝访问所请求的功能。
     if (status.isPermanentlyDenied) {
       _isGoSetting = true;
       showAlert(
           permission, msgList[2], msgList[3], _isGoSetting ? "前往系统设置" : "确定");
     }
-    // 拥有部分权限
+    // 拥有部分权限（受限，仅在 iOS （iOS14+） 上受支持）
     if (status.isLimited) {
       if (Platform.isIOS || Platform.isMacOS) _isGoSetting = true;
       showAlert(
@@ -126,7 +192,7 @@ class _PermissionRequestPageState extends State&lt;PermissionRequestPage&gt;
                   onPressed: () {
                     widget.isRequiredPermission
                         ? _quitApp()
-                        : _popDialogAndPage(context);
+                        : _popDialogAndPage(context, false);
                   }),
               TextButton(
                   child: Text(confirmMsg),
@@ -134,7 +200,7 @@ class _PermissionRequestPageState extends State&lt;PermissionRequestPage&gt;
                     if (_isGoSetting) {
                       openAppSettings();
                     } else {
-                      _requestPermisson(permission);
+                      _handlePermission(widget.permissions);
                     }
                     _popDialog(context);
                   })
@@ -145,15 +211,6 @@ class _PermissionRequestPageState extends State&lt;PermissionRequestPage&gt;
     });
   }
-  /// 申请权限
-  void _requestPermisson(Permission permission) async {
-    // 申请权限
-    PermissionStatus status = await permission.request();
-    Log.d('requestPermisson权限检测=$status _isGoSetting=$_isGoSetting');
-    // 再次校验
-    _handlePermissionStatus(permission, status);
-  }
-
   @override
   void dispose() {
     WidgetsBinding.instance.removeObserver(this);
@@ -171,9 +228,9 @@ class _PermissionRequestPageState extends State&lt;PermissionRequestPage&gt;
   }
   /// 关闭整个权限申请页面
-  void _popDialogAndPage(BuildContext dialogContext) {
+  void _popDialogAndPage(BuildContext dialogContext, bool isAllGranted) {
     _popDialog(dialogContext);
-    _popPage();
+    _popPage(isAllGranted);
   }
   /// 关闭弹窗
@@ -182,7 +239,7 @@ class _PermissionRequestPageState extends State&lt;PermissionRequestPage&gt;
   }
   /// 关闭透明页面
-  void _popPage() {
-    Navigator.of(context).pop();
+  void _popPage(bool isAllGranted) {
+    Navigator.of(context).pop(isAllGranted);
   }
 }
@@ -22,7 +22,7 @@ class ModifyUserAvatarPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return BlocProvider(
-      create: (context) => UserAvatarBloc(),
+      create: (context) => UserAvatarBloc(context),
       child: _ModifyUserAvatarPage(pageType: pageType),
     );
   }
@@ -14,6 +14,8 @@ import &#39;package:wow_english/utils/aliyun_oss_util.dart&#39;;
 import 'package:wow_english/utils/log_util.dart';
 import 'package:wow_english/utils/toast_util.dart';
+import '../../../../common/permission/permissionRequestPage.dart';
+
 part 'user_avatar_event.dart';
 part 'user_avatar_state.dart';
@@ -32,7 +34,9 @@ class UserAvatarBloc extends Bloc&lt;UserAvatarEvent, UserAvatarState&gt; {
   final ImagePicker picker = ImagePicker();
-  UserAvatarBloc() : super(UserAvatarInitial()) {
+  final BuildContext context;
+
+  UserAvatarBloc(this.context) : super(UserAvatarInitial()) {
     on<GetImageFromPhotoEvent>(_getImageFromPhoto);
     on<GetImageFromCameraEvent>(_getImageFromCamera);
     on<ChangeUserEnterAppStateEvent>(_changeUserEnterAppState);
@@ -75,11 +79,8 @@ class UserAvatarBloc extends Bloc&lt;UserAvatarEvent, UserAvatarState&gt; {
   }
   void _getImageFromCamera(GetImageFromCameraEvent event, Emitter<UserAvatarState> emitter) async {
-    await getPermissionStatus(Permission.camera).then((value) async {
-      if (!value) {
-        debugPrint('失败$value');
-        return;
-      }
+    bool result = await permissionCheckAndRequest(context, Permission.camera, "拍照");
+    if (result) {
       _file = await picker.pickImage(source: ImageSource.camera);
       EasyLoading.show();
       try {
@@ -90,7 +91,23 @@ class UserAvatarBloc extends Bloc&lt;UserAvatarEvent, UserAvatarState&gt; {
         showToast('上传头像失败: $e');
       }
       EasyLoading.dismiss();
-    });
+    }
+    // await getPermissionStatus(Permission.camera).then((value) async {
+    //   if (!value) {
+    //     debugPrint('失败$value');
+    //     return;
+    //   }
+    //   _file = await picker.pickImage(source: ImageSource.camera);
+    //   EasyLoading.show();
+    //   try {
+    //     final urlStr = await _uploadAvatar(_file!.path);
+    //     emitter(ChangeImageState(urlStr));
+    //   } catch (e) {
+    //     Log.e('上传头像失败：$e');
+    //     showToast('上传头像失败: $e');
+    //   }
+    //   EasyLoading.dismiss();
+    // });
   }
   void _changeUserEnterAppState(ChangeUserEnterAppStateEvent event, Emitter<UserAvatarState> emitter) async {