init

lib/utils/logger.dart

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+import 'package:flutter/material.dart';
+
+class Logger {
+  // Sample of abstract logging function
+  static void write(String text, {bool isError = false}) {
+    Future.microtask(() => debugPrint('** $text. isError: [$isError]'));
+  }
+}

lib/utils/status_bar.dart

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+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+// 状态栏设置工具类
+class StatusBarKit {
+  // 设置沉浸式状态栏
+  static void setStatusBarDark({bool dark = false, Color? darkColor}) {
+    if (Platform.isAndroid) {
+      SystemChrome.setSystemUIOverlayStyle(
+        SystemUiOverlayStyle(
+          statusBarColor: dark ? darkColor : Colors.transparent,
+          systemNavigationBarIconBrightness:
+              dark ? Brightness.light : Brightness.dark,
+          statusBarIconBrightness: dark ? Brightness.light : Brightness.dark,
+          statusBarBrightness: dark ? Brightness.light : Brightness.dark,
+        ),
+      );
+    }
+  }
+
+  // 设置竖屏
+  static Future setPortrait() {
+    return SystemChrome.setPreferredOrientations([
+      DeviceOrientation.portraitDown,
+      DeviceOrientation.portraitUp,
+    ]);
+  }
+}

lib/utils/storage.dart

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+import 'dart:convert';
+import 'package:shared_preferences/shared_preferences.dart';
+
+// 本地存储
+class StorageUtil {
+  static final StorageUtil _singleton = StorageUtil._internal();
+  late SharedPreferences _prefs;
+
+  factory StorageUtil() => _singleton;
+
+  StorageUtil._internal();
+
+  Future init() async {
+    _prefs = await SharedPreferences.getInstance();
+  }
+
+  Future<bool> putJSON(String key, dynamic jsonVal) {
+    String jsonString = jsonEncode(jsonVal);
+    return _prefs.setString(key, jsonString);
+  }
+
+  dynamic getJSON(String key) {
+    String? jsonString = _prefs.getString(key);
+    return jsonString == null ? null : jsonDecode(jsonString);
+  }
+
+  String getString(String key, {String defValue = ''}) {
+    if (!_prefs.containsKey(key)) return defValue;
+    return _prefs.getString(key) ?? defValue;
+  }
+
+  Future<bool>? putString(String key, String value) {
+    return _prefs.setString(key, value);
+  }
+
+  bool getBool(String key, {bool defValue = false}) {
+    if (!_prefs.containsKey(key)) return defValue;
+    return _prefs.getBool(key) ?? defValue;
+  }
+
+  Future<bool>? putBool(String key, bool value) {
+    return _prefs.setBool(key, value);
+  }
+
+  int getInt(String key, {int defValue = 0}) {
+    if (!_prefs.containsKey(key)) return defValue;
+    return _prefs.getInt(key) ?? defValue;
+  }
+
+  Future<bool>? putInt(String key, int value) {
+    return _prefs.setInt(key, value);
+  }
+
+  bool? haveKey(String key) {
+    return getKeys().contains(key);
+  }
+
+  Set<String> getKeys() {
+    return _prefs.getKeys();
+  }
+
+  Future<bool>? remove(String key) {
+    return _prefs.remove(key);
+  }
+
+  Future<bool>? clear() {
+    return _prefs.clear();
+  }
+}

lib/utils/utils.dart

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+library utils;
+
+export 'logger.dart';
+export 'status_bar.dart';
+export 'storage.dart';