twitter_login

twitter_login

Flutter Twitter Login Plugin

Requirements

Dart sdk: “>=2.12.0-0 <3.0.0”
flutter: “>=1.25.0-8.1.pre”
Android: minSdkVersion 17 and add support for androidx
iOS: –ios-language swift, Xcode version >= 11

Twitter Configuration

Twitter Developer

required to create TwitterApp.
this plugin is need Callback URLs.

this plugin cannot use the Firebase default callback URL.

https://abcdefg.firebaseapp.com/__/auth/handler

please register a different callback URL on Twitter Developers.

app_name://

If the API is not set to get email, email may be null.
If you want to use email, turn on Request email address from users.

Android Configuration

Add intent filters for incoming links

/example/android/app/src/main/AndroidManifest.xm

You need to replace the scheme with a Callback URLs.

intent-filter>
  <action android:name="android.intent.action.VIEW" />
  <category android:name="android.intent.category.DEFAULT" />
  <category android:name="android.intent.category.BROWSABLE" />
  <!-- Accepts URIs that begin with "example://gizmos” -->
  <!-- Registered Callback URLs in TwitterApp -->
  <data android:scheme="example"
        android:host="gizmos" /> <!-- host is option -->
</intent-filter>

Supporting the new Android plugins APIs

If you flutter created your project prior to version 1.12, you need to make sure to update your project in order to use the new Java Embedding API.
Make use you have flutter_embedding v2 enabled. Add the following code on the manifest file inside tag to enable embedding.
Flutter wiki: Upgrading pre 1.12 Android projects.

meta-data
    android:name="flutterEmbedding"
    android:value="2" />

iOS Configuration

Add URLScheme

/example/ios/Runner/Info.plist

You need to replace the example with a Callback URLs.

key>CFBundleURLTypes</key>
<array>
  <dict>
    <key>CFBundleTypeRole</key>
    <string>Editor</string>
    <key>CFBundleURLName</key>
    <string></string>
    <key>CFBundleURLSchemes</key>
    <array>
      <!-- Registered Callback URLs in TwitterApp -->
      <string>example</string>
    </array>
  </dict>
</array>

Example code

See the example directory for a complete sample app using twitter_login.

example

Usage

To use this plugin, add twitter_login as a dependency in your pubspec.yaml file.

Example

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

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

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

class _MyAppState extends State<MyApp> {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Twitter Login App'),
        ),
        body: Center(
          child: FlatButton(
            child: Text('Login With Twitter'),
            onPressed: () async {
              final twitterLogin = TwitterLogin(  
                // Consumer API keys 
                apiKey: 'xxxx',
                // Consumer API Secret keys 
                apiSecretKey: 'xxxx',
                // Registered Callback URLs in TwitterApp
                // Android is a deeplink
                // iOS is a URLScheme
                redirectURI: 'example://',
              );
              final authResult = twitterLogin.login();
              switch (authResult.status) {
                case TwitterLoginStatus.loggedIn:
                  // success
                  break;
                case TwitterLoginStatus.cancelledByUser:
                  // cancel
                  break;
                case TwitterLoginStatus.error:
                  // error
                  break;
              }
            },
          ),
        ),
      ),
    );
  }
}

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