New screen names

lib/core/utils/pref_utils.dart

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+//ignore: unused_import
+import 'dart:convert';
+import 'dart:ui';
+import 'package:flutter/scheduler.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class PrefUtils {
+  static SharedPreferences? _sharedPreferences;
+
+  PrefUtils() {
+    // init();
+    SharedPreferences.getInstance().then((value) {
+      _sharedPreferences = value;
+    });
+  }
+
+  Future<void> init() async {
+    _sharedPreferences ??= await SharedPreferences.getInstance();
+    print('SharedPreference Initialized');
+  }
+
+  ///will clear all the data stored in preference
+  void clearPreferencesData() async {
+    _sharedPreferences!.clear();
+  }
+
+  Future<void> setThemeData(String value) {
+    return _sharedPreferences!.setString('themeData', value);
+  }
+
+  String getThemeData() {
+    try {
+      return _sharedPreferences!.getString('themeData')!;
+    } catch (e) {
+      return 'primary';
+    }
+  }
+}