fb_auth_login 0.0.1 fb_auth_login: ^0.0.1 copied to clipboard
A new flutter plugin project for Facebook Authentication and login.
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:fb_auth_login/fb_auth_login.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
static final FbAuthLogin fbAuthLogin = new FbAuthLogin();
String _platformVersion = 'Unknown';
@override
void initState() {
super.initState();
initPlatformState();
}
Future<Null> _login() async {
final FacebookLoginResult result = await fbAuthLogin.logIn(['email']);
switch(result.status){
case FacebookLoginStatus.loggedIn:
print('logged in');
final FacebookAccessToken accessToken = result.accessToken;
print('Token : ${accessToken.token} \n userId: ${accessToken.userId} \n permissions: ${accessToken.permissions}\n declined permissions: ${accessToken.declinedPermissions} \n expires: ${accessToken.expires}');
break;
case FacebookLoginStatus.cancelledByUser:
print('Cancelled by user');
break;
case FacebookLoginStatus.error:
print('error: ${result.errorMessage}');
break;
}
}
Future<Null> _logOut() async {
await fbAuthLogin.logOut();
print("loggedout");
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String platformVersion;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
platformVersion = await FbAuthLogin.platformVersion;
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_platformVersion = platformVersion;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Column(
children: <Widget>[
Text('Running on: $_platformVersion\n'),
RaisedButton(
onPressed: _login,
child: Text('Log in'),
),
RaisedButton(
onPressed: _logOut,
child: Text('Log Out'),
),
],
),
),
),
);
}
}