41 lines
1.4 KiB
Dart
41 lines
1.4 KiB
Dart
import 'package:fluttery/fluttery.dart';
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/// providing methods for managing persistent storage of key-value pairs.
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abstract class Preferences implements Service {
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/// Stores a string value with the given [key].
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Future<void> setString(String key, String value);
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/// Retrieves the string value associated with the given [key].
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Future<String?> getString(String key);
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/// Stores an integer value with the given [key].
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Future<void> setInt(String key, int value);
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/// Retrieves the integer value associated with the given [key].
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Future<int?> getInt(String key);
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/// Stores a boolean value with the given [key].
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Future<void> setBool(String key, bool value);
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/// Retrieves the boolean value associated with the given [key].
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Future<bool?> getBool(String key);
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/// Stores a double value with the given [key].
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Future<void> setDouble(String key, double value);
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/// Retrieves the double value associated with the given [key].
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Future<double?> getDouble(String key);
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/// Stores a list of strings with the given [key].
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Future<void> setStringList(String key, List<String> value);
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/// Retrieves the list of strings associated with the given [key].
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Future<List<String>?> getStringList(String key);
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/// Removes the key-value pair associated with the given [key].
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Future<void> remove(String key);
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/// Clears all key-value pairs in the preferences.
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Future<void> clear();
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}
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