pollar_flutter 0.1.0

Unofficial Flutter SDK for Pollar (https://pollar.xyz) — wallet onboarding and USDC/Stellar payments via a WebView bridge to @pollar/react, since Pollar's SDK is currently JS/TS-only.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:pollar_flutter/pollar_flutter.dart';

import 'screens/pay_freelancer_screen.dart';

// Replace with your deployed bridge-webapp URL and your Pollar
// PUBLISHABLE key (never the secret key) from dashboard.pollar.xyz.
const bridgeUrl = "https://workpay-five.vercel.app";
const pollarPublishableKey = 'pub_testnet_5f0a5c2785e0a53161c7354470f4c15c';


void main() => runApp(const DemoApp());

class DemoApp extends StatelessWidget {
  const DemoApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(home: HomeScreen());
  }
}

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

  @override
  State<HomeScreen> createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  late final PollarController pollar;

  bool authenticated = false;
  PollarWallet? wallet;
  String status = 'Loading Pollar…';

  @override
  void initState() {
    super.initState();
    pollar = PollarController(bridgeUrl: bridgeUrl, apiKey: pollarPublishableKey);

    pollar.onReady.listen((_) => setState(() => status = 'Ready'));

    pollar.authState.listen((state) {
      setState(() {
        authenticated = state.isAuthenticated;
        wallet = state.wallet;
      });
    });

    pollar.transactionState.listen((state) {
      setState(() => status = 'Transaction: ${state['step'] ?? state['status']}');
    });
  }

  @override
  void dispose() {
    pollar.dispose();
    super.dispose();
  }

  Future<void> _sendTestPayment() async {
    if (wallet?.address == null) return;
    setState(() => status = 'Sending…');
    final outcome = await pollar.sendPayment(
      destination: 'GDLDQRDWQP34XK5JWU6YTCELK42GCNZIRCPKAPFBUV4YO2BFWHD3GGBY',
      amount: '1.00',
      // Testnet USDC issuer — replace with the asset configured in your
      // Dashboard (Treasury → Tokens & Trustlines).
      asset: const PollarAsset.credit(
          code: 'USDC',
          issuer: 'GBBD47IF6LWK7P7MDEVSCWR7DPUWV3NY3DTQEVFL4NAT4AQH3ZLLFLA5'),
    );
    setState(() {
      status = outcome.isSuccess
          ? 'Sent! hash=${outcome.hash}'
          : 'Failed: ${outcome.details ?? outcome.resultCode}';
    });
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Pollar + Flutter demo')),
      body: Column(
        children: [
          Padding(
            padding: const EdgeInsets.all(16),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(status),
                const SizedBox(height: 8),
                Text(authenticated
                    ? 'Wallet: ${wallet?.address ?? '—'} (${wallet?.custody})'
                    : 'Not signed in'),
                const SizedBox(height: 16),
                Wrap(
                  spacing: 8,
                  runSpacing: 8,
                  children: [
                    ElevatedButton(
                      onPressed: () => pollar.openLoginModal(),
                      child: const Text('Sign in (Pollar modal)'),
                    ),
                    if (authenticated) ...[
                      ElevatedButton(
                        onPressed: _sendTestPayment,
                        child: const Text('Send 1 USDC (headless runTx)'),
                      ),
                      ElevatedButton(
                        onPressed: () => pollar.openSendModal(),
                        child: const Text('Send (Pollar modal)'),
                      ),
                      ElevatedButton(
                        onPressed: () => pollar.openReceiveModal(),
                        child: const Text('Receive (Pollar modal)'),
                      ),
                      ElevatedButton(
                        onPressed: () => pollar.openTxHistoryModal(),
                        child: const Text('History (Pollar modal)'),
                      ),
                      ElevatedButton(
                        onPressed: () => pollar.logout(),
                        child: const Text('Log out'),
                      ),
                      ElevatedButton(
                        onPressed: () => Navigator.of(context).push(
                          MaterialPageRoute(
                            builder: (_) => PayFreelancerScreen(pollar: pollar),
                          ),
                        ),
                        style: ElevatedButton.styleFrom(backgroundColor: Colors.indigo),
                        child: const Text(
                          'Open: Pay Freelancer (real UI)',
                          style: TextStyle(color: Colors.white),
                        ),
                      ),
                    ],
                  ],
                ),
              ],
            ),
          ),
          // The WebView must be mounted for the bridge to work, and needs
          // real screen space whenever a Pollar modal is open (login,
          // send, receive, history). Keeping it small still works — the
          // modal renders as a fixed overlay inside the WebView's own
          // viewport, so give it enough room to be usable.
          const Divider(height: 1),
          Expanded(child: PollarView(controller: pollar)),
        ],
      ),
    );
  }
}