play_services_block_store 0.0.1

The Block Store API allows your app to store data that it can later retrieve to re-authenticate users on a new device.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:convert';
import 'dart:typed_data';

import 'package:flutter/services.dart';
import 'package:play_services_block_store/play_services_block_store.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _blockStore = PlayServicesBlockStore();
  String _status = '';
  String _retrievedString = '';
  String _retrievedBytes = '';
  String _platformVersion = 'Unknown';

  @override
  void initState() {
    super.initState();
  }

  Future<void> _saveString() async {
    await _blockStore.saveString('exampleKey', 'Hello Block Store!');
    setState(() {
      _status = 'String saved';
    });
  }

  Future<void> _retrieveString() async {
    final value = await _blockStore.retrieveString('exampleKey');
    setState(() {
      _retrievedString = value ?? 'No value found';
      _status = 'String retrieved';
    });
  }

  Future<void> _saveBytes() async {
    final bytes = Uint8List.fromList([1, 2, 3, 4, 5]);
    final base64 = base64Encode(bytes);
    await _blockStore.saveBytes('byteKey', base64);
    setState(() {
      _status = 'Bytes saved';
    });
  }

  Future<void> _retrieveBytes() async {
    final base64 = await _blockStore.retrieveBytes('byteKey');
    setState(() {
      _retrievedBytes = base64 ?? 'No bytes found';
      _status = 'Bytes retrieved';
    });
  }

  Future<void> _deleteAll() async {
    await _blockStore.deleteAll();
    setState(() {
      _retrievedString = '';
      _retrievedBytes = '';
      _status = 'All data deleted';
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Block Store Plugin Example'),
        ),
        body: Center(
          child: Padding(
            padding: const EdgeInsets.all(16.0),
            child: Column(
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  const SizedBox(height: 64),
              Row(
              crossAxisAlignment: CrossAxisAlignment.center,
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    ElevatedButton(onPressed: _saveString, child: const Text('Save String')),
                    const SizedBox(width: 16),
                    ElevatedButton(onPressed: _retrieveString, child: const Text('Retrieve String')),
                  ]
              ),
                  Text('Retrieved String: $_retrievedString'),
                  const SizedBox(height: 32),

              Row(
                crossAxisAlignment: CrossAxisAlignment.center,
                mainAxisSize: MainAxisSize.min,
                children: [
            ElevatedButton(onPressed: _saveBytes, child: const Text('Save Bytes')),
                  const SizedBox(width: 16),
            ElevatedButton(onPressed: _retrieveBytes, child: const Text('Retrieve Bytes')),
                ]
              ),
                  Text('Retrieved Base64 Bytes: $_retrievedBytes'),
                  const SizedBox(height: 32),
                  ElevatedButton(
                    onPressed: _deleteAll,
                    style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
                    child: const Text('Delete All'),
                  ),
                  const SizedBox(height: 24),
                  Text('Status: $_status'),
                ],
            ),
              ),
        ),
      ),

    );
  }
}