web3auth_flutter 0.0.1

Flutter SDK for Torus Web3Auth (Web3Auth)

example/lib/main.dart

import 'dart:collection';

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

import 'package:flutter/services.dart';
import 'package:web3auth_flutter/web3auth_flutter.dart';

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _result = '<empty>';
  bool logoutVisible = false;

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

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    HashMap themeMap = new HashMap<String, String>();
    themeMap['primary'] = "#fff000";

    await Web3AuthFlutter.init(
        clientId:
            'BPcJHn_y62h5k9v33TzTSPQiHJZuOGwQdjOanCC7-GKgelSYz1PYPoU7LIJqix3CGFHLF7IEIvsfQhBF_rx9rUw',
        network: Network.mainnet,
        redirectUri: 'org.torusresearch.flutter.web3authexample://auth',
        whiteLabelData: WhiteLabelData(
            dark: true, name: "Web3Auth Flutter App", theme: themeMap),
    );
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Torus Web3Auth Example'),
        ),
        body: Center(
            child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: Text('Login with'),
            ),
            ElevatedButton(
                onPressed: _login(_withGoogle), child: Text('Google')),
            ElevatedButton(
                onPressed: _login(_withFacebook), child: Text('Facebook')),
            ElevatedButton(
                onPressed: _login(_withReddit), child: Text('Reddit ')),
            ElevatedButton(
                onPressed: _login(_withDiscord), child: Text('Discord')),
            Visibility(
              child: ElevatedButton(
                  style: ElevatedButton.styleFrom(
                      primary: Colors.red // This is what you need!
                      ),
                  onPressed: _logout(),
                  child: Text('Logout')),
              visible: logoutVisible,
            ),
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: Text('Result: $_result'),
            )
          ],
        )),
      ),
    );
  }

  VoidCallback _login(Future<Web3AuthResponse> Function() method) {
    return () async {
      try {
        final Web3AuthResponse response = await method();
        setState(() {
          _result = response.toString();
          logoutVisible = true;
        });
      } on UserCancelledException {
        print("User cancelled.");
      } on UnKnownException {
        print("Unknown exception occurred");
      }
    };
  }

  VoidCallback _logout() {
    return () async {
      try {
        await Web3AuthFlutter.logout();
        setState(() {
          _result = '<empty>';
          logoutVisible = false;
        });
      } on UserCancelledException {
        print("User cancelled.");
      } on UnKnownException {
        print("Unknown exception occurred");
      }
    };
  }

  Future<Web3AuthResponse> _withGoogle() {
    return Web3AuthFlutter.login(provider: Provider.google);
  }

  Future<Web3AuthResponse> _withFacebook() {
    return Web3AuthFlutter.login(provider: Provider.facebook);
  }

  Future<Web3AuthResponse> _withReddit() {
    return Web3AuthFlutter.login(provider: Provider.reddit);
  }

  Future<Web3AuthResponse> _withDiscord() {
    return Web3AuthFlutter.login(provider: Provider.discord);
  }
}