Stay organized with collections
Save and categorize content based on your preferences.
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-05-15 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-05-15 UTC."],[],[],null,["# androidx.datastore.preferences.core\n===================================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/androidx/datastore/preferences/core/package-summary \"View this page in Kotlin\") \\|Java\n\nClasses\n-------\n\n|---------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------|\n| [MutablePreferences](/reference/androidx/datastore/preferences/core/MutablePreferences) | Mutable version of [Preferences](/reference/androidx/datastore/preferences/core/Preferences). |\n| [Preferences](/reference/androidx/datastore/preferences/core/Preferences) | Preferences and MutablePreferences are a lot like a generic Map and MutableMap keyed by the Preferences.Key class. |\n| [Preferences.Key](/reference/androidx/datastore/preferences/core/Preferences.Key) | Key for values stored in Preferences. |\n| [Preferences.Pair](/reference/androidx/datastore/preferences/core/Preferences.Pair) | Key Value pairs for Preferences. |\n| [PreferencesFactory](/reference/androidx/datastore/preferences/core/PreferencesFactory) | |\n| [PreferencesKeys](/reference/androidx/datastore/preferences/core/PreferencesKeys) | |\n| [PreferencesKt](/reference/androidx/datastore/preferences/core/PreferencesKt) | |\n| [PreferenceDataStoreFactory](/reference/androidx/datastore/preferences/core/PreferenceDataStoreFactory) | |\n| [PreferencesFileSerializer](/reference/androidx/datastore/preferences/core/PreferencesFileSerializer) | Proto based serializer for Preferences. |\n| [PreferencesSerializer](/reference/androidx/datastore/preferences/core/PreferencesSerializer) | Proto based serializer for Preferences. |"]]
