initialized Application theme

lib/utils/helpers/cache_helper.dart

@@ -0,0 +1,31 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+class CacheHelper {
+  static late SharedPreferences sharedPreferences;
+
+  static init() async {
+    sharedPreferences = await SharedPreferences.getInstance();
+  }
+
+  static Object? getData({
+    required String key,
+  }) async {
+    return sharedPreferences.get(key);
+  }
+
+  static Future setData({
+    required String key,
+    required value,
+  }) async {
+    if (value is String) return await sharedPreferences.setString(key, value);
+    if (value is int) return await sharedPreferences.setInt(key, value);
+    if (value is bool) return await sharedPreferences.setBool(key, value);
+    return await sharedPreferences.setDouble(key, value);
+  }
+
+  static dynamic removeData({
+    required String key,
+  }) async {
+    return sharedPreferences.remove(key);
+  }
+}