login with facebook

lib/main.dart

@@ -5,17 +5,14 @@
 // ignore_for_file: public_member_api_docs
 
 import 'dart:async';
-import 'dart:convert' show json;
 
-import "package:http/http.dart" as http;
+import 'package:flutter_facebook_login/flutter_facebook_login.dart';
 import 'package:flutter/material.dart';
 import 'package:google_sign_in/google_sign_in.dart';
 
 GoogleSignIn _googleSignIn = GoogleSignIn(
-  scopes: <String>[
-    'email',
-    'https://www.googleapis.com/auth/contacts.readonly',
-  ],
+  clientId: "1051330489903-on15f3rmq3a1830f2cb3d7ber0duueqh.apps.googleusercontent.com",
+  //clientId: "1051330489903-on15f3rmq3a1830f2cb3d7ber0duueqh.apps.googleusercontent.com"
 );
 
 void main() {
@@ -43,6 +40,7 @@ class SignInDemoState extends State<SignInDemo> {
       setState(() {
         _currentUser = account;
       });
+
       if (_currentUser != null) {
         _handleGetContact(_currentUser);
       }
@@ -54,28 +52,30 @@ class SignInDemoState extends State<SignInDemo> {
     setState(() {
       _contactText = "Loading contact info...";
     });
-    final http.Response response = await http.get(
-      Uri.parse('https://people.googleapis.com/v1/people/me/connections'
-          '?requestMask.includeField=person.names'),
-      headers: await user.authHeaders,
-    );
-    if (response.statusCode != 200) {
-      setState(() {
-        _contactText = "People API gave a ${response.statusCode} "
-            "response. Check logs for details.";
-      });
-      print('People API ${response.statusCode} response: ${response.body}');
-      return;
-    }
-    final Map<String, dynamic> data = json.decode(response.body);
-    final String namedContact = _pickFirstNamedContact(data);
-    setState(() {
-      if (namedContact != null) {
-        _contactText = "I see you know $namedContact!";
-      } else {
-        _contactText = "No contacts to display.";
-      }
-    });
+    // final http.Response response = await http.get(
+    //   Uri.parse('https://people.googleapis.com/v1/people/me/connections'
+    //       '?requestMask.includeField=person.names'),
+    //   headers: await user.authHeaders,
+    // );
+    // if (response.statusCode != 200) {
+    //   print("Success ------> 200");
+    //   setState(() {
+    //     _contactText = "People API gave a ${response.statusCode} "
+    //         "response. Check logs for details.";
+    //   });
+    //   print('People API ${response.statusCode} response: ${response.body}');
+    //   return;
+    // }
+    // final Map<String, dynamic> data = json.decode(response.body);
+    // print("data $data");
+    // final String namedContact = _pickFirstNamedContact(data);
+    // setState(() {
+    //   if (namedContact != null) {
+    //     _contactText = "I see you know $namedContact!";
+    //   } else {
+    //     _contactText = "No contacts to display.";
+    //   }
+    // });
   }
 
   String _pickFirstNamedContact(Map<String, dynamic> data) {
@@ -98,7 +98,9 @@ class SignInDemoState extends State<SignInDemo> {
 
   Future<void> _handleSignIn() async {
     try {
-      await _googleSignIn.signIn();
+      await _googleSignIn.signIn().then((value){
+        print(value);
+      });
     } catch (error) {
       print(error);
     }
@@ -145,6 +147,57 @@ class SignInDemoState extends State<SignInDemo> {
     }
   }
 
+
+  //shower message for facebook
+
+  static final FacebookLogin facebookSignIn = new FacebookLogin();
+  String _message = 'Log in/out by pressing the buttons below.';
+
+  Future<Null> _login() async {
+    final FacebookLoginResult result =
+    await facebookSignIn.logIn(['email','public_profile']);
+
+    print(result.accessToken.token);
+    switch (result.status) {
+      case FacebookLoginStatus.loggedIn:
+        final FacebookAccessToken accessToken = result.accessToken;
+        _showMessages('''
+         Logged in!
+         
+         Token: ${accessToken.token}
+         User id: ${accessToken.userId}
+         Expires: ${accessToken.expires}
+         Permissions: ${accessToken.permissions}
+         Declined permissions: ${accessToken.declinedPermissions}
+         ''');
+        break;
+      case FacebookLoginStatus.cancelledByUser:
+        _showMessages('Login cancelled by the user.');
+        break;
+      case FacebookLoginStatus.error:
+        _showMessages('Something went wrong with the login process.\n'
+            'Here\'s the error Facebook gave us: ${result.errorMessage}');
+        break;
+    }
+  }
+
+  Future<Null> _logOut() async {
+    await facebookSignIn.logOut();
+    _showMessages('Logged out.');
+  }
+
+  void _showMessages(String message) {
+    setState(() {
+      _message = message;
+    });
+  }
+
+  void _showMessage(String message) {
+    setState(() {
+      _message = message;
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -153,7 +206,21 @@ class SignInDemoState extends State<SignInDemo> {
         ),
         body: ConstrainedBox(
           constraints: const BoxConstraints.expand(),
-          child: _buildBody(),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: <Widget>[
+              _buildBody(),
+              Text(_message),
+               RaisedButton(
+                onPressed: _login,
+                child:  Text('Log in'),
+              ),
+               RaisedButton(
+                onPressed: _logOut,
+                child: new Text('Logout'),
+              ),
+            ],
+          ),
         ));
   }
 }