Check if logged in user has liked my Facebook Page

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OK. So I have no idea on how to do this but you are going to have to talk like a 3 year old to me. I know PHP, HTML, CSS and a tiny smidge of javascript. I want to be able t

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情深已故

2020-12-13 05:52

You can use this code because it's so simple :

FB.api({
    method:     "pages.isFan",
    page_id:        page_id,
},  function(response) {
        console.log(response);
        if(response){
            alert('You Likey');
        } else {
            alert('You not Likey :(');
        }
    }
);

this ll user user_likes permission

Hope this will help you

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我在风中等你

2020-12-13 05:54

Here are the steps to do so:

1) You need to use this step by step guide to connect user to your facebook page in order to fetch user basic information

https://developers.facebook.com/docs/facebook-login/getting-started-web/

FB.api('/me', function(response) {
    console.log('Good to see you, ' + response.name + '.');
}

2) After knowing that user is connected using facebook you need to issue the graph GET request to find out about this user that he liked your page or not

FB.api('/me/likes/YOUR_APP_ID', function(response) {
    console.log(response.data);
}

3) And then run your business logic (whether to take user to download page or other page)

Code from the tutorial above is given below too

<body>
<div id="fb-root"></div>
<script>
  window.fbAsyncInit = function() {
  FB.init({
  appId      : 'YOUR_APP_ID', // App ID
  channelUrl : '//www.example.com/channel.html', // Channel File
  status     : true, // check login status
  cookie     : true, // enable cookies to allow the server to access the session
  xfbml      : true  // parse XFBML
});

FB.Event.subscribe('auth.authResponseChange', function(response) {
    if (response.status === 'connected') {
      testAPI();
    } else if (response.status === 'not_authorized') {
  $("#btnFB").show();     
      FB.login();
    } else {
  $("#btnFB").show();         
      FB.login();
    }
});

};

// Load the SDK asynchronously
(function(d){
 var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
 if (d.getElementById(id)) {return;}
 js = d.createElement('script'); js.id = id; js.async = true;
 js.src = "//connect.facebook.net/en_US/all.js";
 ref.parentNode.insertBefore(js, ref);
}(document));

function testAPI() {
  FB.api('/me', function(response) {
    console.log('Good to see you, ' + response.name + '.');
  });
  FB.api('/me/likes/PAGE_ID', function(response) {
    console.log(response.data);
  });
}

How to get PAGE_ID? Goto http://developers.facebook.com/tools/explorer/?method=GET&path=me%2Flikes%2F

This worked for me! :)

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