play_services_block_store

A Flutter plugin for accessing the Google Play Services Block Store API on Android. Securely store and retrieve small key-value pairs of data that can survive app uninstall and restore, making it ideal for authentication tokens or device identifiers.

⚠️ Android only. This plugin uses Google Play Services and is not supported on iOS or web.

Features

• 🔐 Save and retrieve key-value pairs securely.
• 💾 Support for storing both strings and byte arrays.
• 🔍 Retrieve a single item.
• 🗑️ Delete individual keys or clear all stored data.
• 🧩 Easy-to-use Flutter API.

Getting Started

Installation

Add this to your pubspec.yaml:

dependencies:
  play_services_block_store: ^0.7.0

Then run:

flutter pub get

Usage

import 'package:play_services_block_store/play_services_block_store.dart';

// Save a string
await PlayServicesBlockStore.saveString('username', 'alice');

// Retrieve a string
final username = await PlayServicesBlockStore.retrieveString('username');

// Save bytes
final byteData =  Uint8List.fromList([1, 2, 3, 4]);
await PlayServicesBlockStore.saveBytes('my_bytes', byteData);

// Retrieve bytes
final byteData = await PlayServicesBlockStore.retrieveBytes('my_bytes');

// Delete a single key
await PlayServicesBlockStore.delete('username');

// Delete all stored data
await PlayServicesBlockStore.deleteAll();