facebook_share_callback

Flutter package to share URL or Picture to facebook using facebook share dialog with callbacks.

You can use it share to Facebook. Support Url and Text, Photo

Getting Started

add facebook_share_callback as a dependency in your pubspec.yaml file.

Please check the latest version before installation.

dependencies:
  flutter:
    sdk: flutter
  # add share_facebook_callback
  facebook_share_callback: [LATEST_VERSION]

Setup

Android

Add "facebook app id" to the application tag of AndroidManifest.xml

    //add this under manifest (oustside <application> tag)
    <queries>
        <provider android:authorities="com.facebook.katana.provider.PlatformProvider" /> 
    </queries>
    <application>
       //add this inside <application> tag
        <meta-data
            android:name="com.facebook.sdk.ApplicationId"
            android:value="@string/facebook_app_id" />
        <meta-data 
            android:name="com.facebook.sdk.ClientToken" 
            android:value="@string/facebook_client_token"/>    
            
        <provider
            android:name="com.facebook.FacebookContentProvider"
            android:authorities="com.facebook.app.FacebookContentProvider[FB_APP_ID]"
            android:exported="true" />
    </application>

string.xml:

<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- Replace "12345678901234" with your Facebook App ID here. -->
    <string name="facebook_app_id">12345678901234</string>
<!-- Replace "123456789abcdefghimnl" with your Facebook Client Token here. -->
    <string name="facebook_client_token">123456789abcdefghimnl</string>
</resources>

IOS

make sure you add below deatils in your plist file.

    <key>FacebookAppID</key>
    <string>[FB_APP_ID]</string>

    <key>FacebookClientToken</key>
    <string>[FB_CLIENT_TOKEN]</string>

    <key>CFBundleURLTypes</key>
    <array>
      <dict>
        <key>CFBundleURLSchemes</key>
        <array>
          <string>fb[FB_APP_ID]</string>
        </array>
      </dict>
    </array>

    <key>LSApplicationQueriesSchemes</key>
    <array>
      <string>fbapi</string>
      <string>fb-messenger-api</string>
      <string>fbshareextension</string>
    </array>

Usage

Link Sharing

import the package

import 'package:facebook_share_callback/facebook_share_callback.dart';

and then call the function like below:

    final shareFacebookCallbackPlugin = FacebookShareCallback();

    String? result = await shareFacebookCallbackPlugin.shareFacebook(
      type: ShareType.shareLinksFacebook,
      quote: quote,
      url: url,
    );

Picture Sharing

import the package

import 'package:facebook_share_callback/facebook_share_callback.dart';

and then call the function like below:

    final shareFacebookCallbackPlugin = FacebookShareCallback();
    
    String? result = await shareFacebookCallbackPlugin.shareFacebook(
      type: ShareType.sharePhotoFacebook,
      quote: 'This is my picture',
      imageName: 'My image name',
      uint8Image: image.readAsBytesSync(), // pick image from gallery or camera using iamge picker package or file picker or similar
    );

Callbacks

Result is a nullable string, if user successfully shares the link or picture to facebook, its value will be success

Note

Facebook share dialog for iOS is part of iOS facebook app itself and it will not work on iOS simulators, use real iOS device for testing