0

lib/pages/home_page.dart

@@ -10,6 +10,6 @@ class HomePage extends StatefulWidget {
 class _HomePageState extends State<HomePage> {
   @override
   Widget build(BuildContext context) {
-    return Scaffold(body: Text("ss"),);
+    return const Scaffold(body: Text("ss"),);
   }
 }

lib/utils/sp_util.dart

@@ -2,24 +2,18 @@ import 'dart:async';
 import 'dart:convert';
 
 import 'package:shared_preferences/shared_preferences.dart';
-import 'package:synchronized/synchronized.dart';
 
 class SpUtil {
   static SpUtil? _singleton;
   static SharedPreferences? _prefs;
-  static Lock _lock = Lock();
 
   static Future<SpUtil?> getInstance() async {
     if (_singleton == null) {
-      await _lock.synchronized(() async {
-        if (_singleton == null) {
-          // keep local instance till it is fully initialized.
-          // 保持本地实例直到完全初始化。
-          var singleton = SpUtil._();
-          await singleton._init();
-          _singleton = singleton;
-        }
-      });
+      if (_singleton == null) {
+        var singleton = SpUtil._();
+        await singleton._init();
+        _singleton = singleton;
+      }
     }
     return _singleton;
   }
@@ -36,27 +30,27 @@ class SpUtil {
   }
 
   /// get obj.
-  static T? getObj<T>(String key, T f(Map v), {T? defValue}) {
+  static T? getObj<T>(String key, T Function(Map v) f, {T? defValue}) {
     Map? map = getObject(key);
     return map == null ? defValue : f(map);
   }
 
   /// get object.
   static Map? getObject(String key) {
-    String? _data = _prefs?.getString(key);
-    return (_data == null || _data.isEmpty) ? null : json.decode(_data);
+    String? data = _prefs?.getString(key);
+    return (data == null || data.isEmpty) ? null : json.decode(data);
   }
 
   /// put object list.
   static Future<bool>? putObjectList(String key, List<Object> list) {
-    List<String>? _dataList = list.map((value) {
+    List<String>? dataList = list.map((value) {
       return json.encode(value);
     }).toList();
-    return _prefs?.setStringList(key, _dataList);
+    return _prefs?.setStringList(key, dataList);
   }
 
   /// get obj list.
-  static List<T>? getObjList<T>(String key, T f(Map v),
+  static List<T>? getObjList<T>(String key, T Function(Map v) f,
       {List<T>? defValue = const []}) {
     List<Map>? dataList = getObjectList(key);
     List<T>? list = dataList?.map((value) {
@@ -69,8 +63,8 @@ class SpUtil {
   static List<Map>? getObjectList(String key) {
     List<String>? dataLis = _prefs?.getStringList(key);
     return dataLis?.map((value) {
-      Map _dataMap = json.decode(value);
-      return _dataMap;
+      Map dataMap = json.decode(value);
+      return dataMap;
     }).toList();
   }
 

pubspec.lock

@@ -6,7 +6,7 @@ packages:
     description:
       name: async
       sha256: bfe67ef28df125b7dddcea62755991f807aa39a2492a23e1550161692950bbe0
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.10.0"
   boolean_selector:
@@ -14,7 +14,7 @@ packages:
     description:
       name: boolean_selector
       sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   characters:
@@ -22,7 +22,7 @@ packages:
     description:
       name: characters
       sha256: e6a326c8af69605aec75ed6c187d06b349707a27fbff8222ca9cc2cff167975c
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   clock:
@@ -30,7 +30,7 @@ packages:
     description:
       name: clock
       sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   collection:
@@ -38,7 +38,7 @@ packages:
     description:
       name: collection
       sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.17.0"
   cupertino_icons:
@@ -46,7 +46,7 @@ packages:
     description:
       name: cupertino_icons
       sha256: e35129dc44c9118cee2a5603506d823bab99c68393879edb440e0090d07586be
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.5"
   fake_async:
@@ -54,7 +54,7 @@ packages:
     description:
       name: fake_async
       sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
   ffi:
@@ -62,7 +62,7 @@ packages:
     description:
       name: ffi
       sha256: ed5337a5660c506388a9f012be0288fb38b49020ce2b45fe1f8b8323fe429f99
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.2"
   file:
@@ -70,7 +70,7 @@ packages:
     description:
       name: file
       sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "6.1.4"
   flutter:
@@ -83,17 +83,17 @@ packages:
     description:
       name: flutter_lints
       sha256: "2118df84ef0c3ca93f96123a616ae8540879991b8b57af2f81b76a7ada49b2a4"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.2"
   flutter_screenutil:
     dependency: "direct main"
     description:
       name: flutter_screenutil
-      sha256: "5e8f5197b4d0ec4b70d1c7afe055b18bba6ac27c00b309a98c25c11ba64eedf1"
-      url: "https://pub.flutter-io.cn"
+      sha256: "0a122936b450324cbdfd51be0819cc6fcebb093eb65585e9cd92263f7a1a8a39"
+      url: "https://pub.dev"
     source: hosted
-    version: "5.5.4"
+    version: "5.7.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -109,7 +109,7 @@ packages:
     description:
       name: get
       sha256: "2ba20a47c8f1f233bed775ba2dd0d3ac97b4cf32fc17731b3dfc672b06b0e92a"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "4.6.5"
   js:
@@ -117,7 +117,7 @@ packages:
     description:
       name: js
       sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.6.5"
   lints:
@@ -125,7 +125,7 @@ packages:
     description:
       name: lints
       sha256: "5e4a9cd06d447758280a8ac2405101e0e2094d2a1dbdd3756aec3fe7775ba593"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
   matcher:
@@ -133,7 +133,7 @@ packages:
     description:
       name: matcher
       sha256: "16db949ceee371e9b99d22f88fa3a73c4e59fd0afed0bd25fc336eb76c198b72"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.12.13"
   material_color_utilities:
@@ -141,7 +141,7 @@ packages:
     description:
       name: material_color_utilities
       sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.2.0"
   meta:
@@ -149,7 +149,7 @@ packages:
     description:
       name: meta
       sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.0"
   path:
@@ -157,55 +157,47 @@ packages:
     description:
       name: path
       sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.2"
   path_provider:
     dependency: "direct main"
     description:
       name: path_provider
-      sha256: "050e8e85e4b7fecdf2bb3682c1c64c4887a183720c802d323de8a5fd76d372dd"
-      url: "https://pub.flutter-io.cn"
+      sha256: "3087813781ab814e4157b172f1a11c46be20179fcc9bea043e0fba36bc0acaa2"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.11"
+    version: "2.0.15"
   path_provider_android:
     dependency: transitive
     description:
       name: path_provider_android
       sha256: "2cec049d282c7f13c594b4a73976b0b4f2d7a1838a6dd5aaf7bd9719196bee86"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.27"
-  path_provider_ios:
+  path_provider_foundation:
     dependency: transitive
     description:
-      name: path_provider_ios
-      sha256: "03d639406f5343478352433f00d3c4394d52dac8df3d847869c5e2333e0bbce8"
-      url: "https://pub.flutter-io.cn"
+      name: path_provider_foundation
+      sha256: "916731ccbdce44d545414dd9961f26ba5fbaa74bcbb55237d8e65a623a8c7297"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.11"
+    version: "2.2.4"
   path_provider_linux:
     dependency: transitive
     description:
       name: path_provider_linux
       sha256: ffbb8cc9ed2c9ec0e4b7a541e56fd79b138e8f47d2fb86815f15358a349b3b57
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.11"
-  path_provider_macos:
-    dependency: transitive
-    description:
-      name: path_provider_macos
-      sha256: cd57cb98a30ce9d12fdd1896d9d3b0517ce689f942de6ccd2708cd39b3d18a7c
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.0.7"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
       sha256: "57585299a729335f1298b43245842678cb9f43a6310351b18fb577d6e33165ec"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.6"
   path_provider_windows:
@@ -213,47 +205,47 @@ packages:
     description:
       name: path_provider_windows
       sha256: "1cb68ba4cd3a795033de62ba1b7b4564dace301f952de6bfb3cd91b202b6ee96"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.7"
   permission_handler:
     dependency: "direct main"
     description:
       name: permission_handler
-      sha256: "551f8c3398f1ff26aed2ccc8d0b4e4f905cd7b1714e6a688e0b870621ad33524"
-      url: "https://pub.flutter-io.cn"
+      sha256: "63e5216aae014a72fe9579ccd027323395ce7a98271d9defa9d57320d001af81"
+      url: "https://pub.dev"
     source: hosted
-    version: "10.1.0"
+    version: "10.4.3"
   permission_handler_android:
     dependency: transitive
     description:
       name: permission_handler_android
-      sha256: "3b61f3da3b1c83bc3fb6a2b431e8dab01d0e5b45f6a3d9c7609770ec88b2a89e"
-      url: "https://pub.flutter-io.cn"
+      sha256: "2ffaf52a21f64ac9b35fe7369bb9533edbd4f698e5604db8645b1064ff4cf221"
+      url: "https://pub.dev"
     source: hosted
-    version: "10.3.0"
+    version: "10.3.3"
   permission_handler_apple:
     dependency: transitive
     description:
       name: permission_handler_apple
-      sha256: "0d1f8007b17573ff1fbeae0f04b6c8e83e1d2f6c4fe8e8226d4d2456aa8ecffe"
-      url: "https://pub.flutter-io.cn"
+      sha256: "99e220bce3f8877c78e4ace901082fb29fa1b4ebde529ad0932d8d664b34f3f5"
+      url: "https://pub.dev"
     source: hosted
-    version: "9.1.2"
+    version: "9.1.4"
   permission_handler_platform_interface:
     dependency: transitive
     description:
       name: permission_handler_platform_interface
-      sha256: "79b36d93a41a4aecfd0d635d77552f327cb84227c718ce5e68b5f7b85546fe7e"
-      url: "https://pub.flutter-io.cn"
+      sha256: "7c6b1500385dd1d2ca61bb89e2488ca178e274a69144d26bbd65e33eae7c02a9"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.11.0+1"
+    version: "3.11.3"
   permission_handler_windows:
     dependency: transitive
     description:
       name: permission_handler_windows
       sha256: cc074aace208760f1eee6aa4fae766b45d947df85bc831cde77009cdb4720098
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.1.3"
   platform:
@@ -261,87 +253,71 @@ packages:
     description:
       name: platform
       sha256: "4a451831508d7d6ca779f7ac6e212b4023dd5a7d08a27a63da33756410e32b76"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "3.1.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      sha256: "6a2128648c854906c53fa8e33986fc0247a1116122f9534dd20e3ab9e16a32bc"
-      url: "https://pub.flutter-io.cn"
+      sha256: "43798d895c929056255600343db8f049921cbec94d31ec87f1dc5c16c01935dd"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.4"
-  process:
-    dependency: transitive
-    description:
-      name: process
-      sha256: "53fd8db9cec1d37b0574e12f07520d582019cb6c44abf5479a01505099a34a09"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "4.2.4"
+    version: "2.1.5"
   pull_to_refresh:
     dependency: "direct main"
     description:
       name: pull_to_refresh
       sha256: bbadd5a931837b57739cf08736bea63167e284e71fb23b218c8c9a6e042aad12
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
   rxdart:
     dependency: "direct main"
     description:
       name: rxdart
-      sha256: "5d22055fd443806c03ef24a02000637cf51eae49c2a0168d38a43fc166b0209c"
-      url: "https://pub.flutter-io.cn"
+      sha256: "0c7c0cedd93788d996e33041ffecda924cc54389199cde4e6a34b440f50044cb"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.27.5"
+    version: "0.27.7"
   shared_preferences:
     dependency: "direct main"
     description:
       name: shared_preferences
-      sha256: "76917b7d4b9526b2ba416808a7eb9fb2863c1a09cf63ec85f1453da240fa818a"
-      url: "https://pub.flutter-io.cn"
+      sha256: "0344316c947ffeb3a529eac929e1978fcd37c26be4e8468628bac399365a3ca1"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.15"
+    version: "2.2.0"
   shared_preferences_android:
     dependency: transitive
     description:
       name: shared_preferences_android
       sha256: fe8401ec5b6dcd739a0fe9588802069e608c3fdbfd3c3c93e546cf2f90438076
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
-  shared_preferences_ios:
+  shared_preferences_foundation:
     dependency: transitive
     description:
-      name: shared_preferences_ios
-      sha256: "585a14cefec7da8c9c2fb8cd283a3bb726b4155c0952afe6a0caaa7b2272de34"
-      url: "https://pub.flutter-io.cn"
+      name: shared_preferences_foundation
+      sha256: f39696b83e844923b642ce9dd4bd31736c17e697f6731a5adf445b1274cf3cd4
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "2.3.2"
   shared_preferences_linux:
     dependency: transitive
     description:
       name: shared_preferences_linux
       sha256: "71d6806d1449b0a9d4e85e0c7a917771e672a3d5dc61149cc9fac871115018e1"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
-  shared_preferences_macos:
-    dependency: transitive
-    description:
-      name: shared_preferences_macos
-      sha256: "81b6a60b2d27020eb0fc41f4cebc91353047309967901a79ee8203e40c42ed46"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.0.5"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
       name: shared_preferences_platform_interface
       sha256: "23b052f17a25b90ff2b61aad4cc962154da76fb62848a9ce088efe30d7c50ab1"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
   shared_preferences_web:
@@ -349,7 +325,7 @@ packages:
     description:
       name: shared_preferences_web
       sha256: "7347b194fb0bbeb4058e6a4e87ee70350b6b2b90f8ac5f8bd5b3a01548f6d33a"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
   shared_preferences_windows:
@@ -357,7 +333,7 @@ packages:
     description:
       name: shared_preferences_windows
       sha256: f95e6a43162bce43c9c3405f3eb6f39e5b5d11f65fab19196cf8225e2777624d
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
   sky_engine:
@@ -370,23 +346,15 @@ packages:
     description:
       name: source_span
       sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
-  sp_util:
-    dependency: "direct main"
-    description:
-      name: sp_util
-      sha256: "9da43dce5de79c17a787d0626bf01538d63090ca32521200d22a232171c495dc"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.0.3"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.11.0"
   stream_channel:
@@ -394,7 +362,7 @@ packages:
     description:
       name: stream_channel
       sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   string_scanner:
@@ -402,23 +370,15 @@ packages:
     description:
       name: string_scanner
       sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
-  synchronized:
-    dependency: transitive
-    description:
-      name: synchronized
-      sha256: "5fcbd27688af6082f5abd611af56ee575342c30e87541d0245f7ff99faa02c60"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "3.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   test_api:
@@ -426,7 +386,7 @@ packages:
     description:
       name: test_api
       sha256: ad540f65f92caa91bf21dfc8ffb8c589d6e4dc0c2267818b4cc2792857706206
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.4.16"
   vector_math:
@@ -434,7 +394,7 @@ packages:
     description:
       name: vector_math
       sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
   win32:
@@ -442,17 +402,17 @@ packages:
     description:
       name: win32
       sha256: "5a751eddf9db89b3e5f9d50c20ab8612296e4e8db69009788d6c8b060a84191c"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "4.1.4"
   xdg_directories:
     dependency: transitive
     description:
       name: xdg_directories
-      sha256: ee1505df1426458f7f60aac270645098d318a8b4766d85fde75f76f2e21807d1
-      url: "https://pub.flutter-io.cn"
+      sha256: e0b1147eec179d3911f1f19b59206448f78195ca1d20514134e10641b7d7fbff
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.1"
 sdks:
   dart: ">=2.19.2 <3.0.0"
   flutter: ">=3.3.0"