I want to know if is there any way to check if the user has shared a link to my app via facebook.
I have implemented the ability to share a link to my app, and I just want to know if the user has shared it or not.
Thanks in advance.
When user share from your app you can store user's post id.
You can't look at a user's facebook posts without permission from the user. What would be a good idea is to, when you do create the link-sharing code, store the information that the user shared the link. Not the most ideal solution but, you know, privacy laws and stuff.
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We have a platform where users get logged in with Facebook. Now on customers demand, we want to provide a feature where we will request logged in users profile link at the time of login via user_link permission and user can share that link to anyone with just one tap. And on the other end, the other user who will receive this link will able to see (on facebook app or on Web) the sender's profile and if interested they can get connected.
But the issue is, I am not able to see user profile got as user_link. Its seems like I can only use this link if he or she is already my friend. If so then how can I implement this feature in my app? also if I am wrong at any point please correct me.
Its seems like I can only use this link if he or she is already my friend.
That’s exactly what the documentation says, https://developers.facebook.com/docs/graph-api/reference/user:
link: A link to the person's Timeline. The link will only resolve if the person clicking the link is logged into Facebook and is a friend of the person whose profile is being viewed.
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If so then how can I implement this feature in my app?
You can’t; Facebook has deliberately designed this feature with this restriction, to better protect people’s privacy.
As far as I know, you can only tag friends of the account associated with the access_token currently in use. This means that if I want to be able to make an app to share photos on facebook with a tagging functionality, it's mandatory that I make an authentication system, where the user needs to type his password to login on FB and I request and store his sixty_days_access_token. This approach is fine for web apps, but is troublesome if I have to implement a desktop touchscreen interface where the users interact with the system in an environment where anyone can watch him typing his user and password. I'm facing this problem with a public touchscreen, where the users can take pictures and send it to Facebook. The interface is implemented with C++ and the curl library. As the touch is in a very crowded environment and the screen is big, we experienced that the users are intimidated to enter his acc/pass. We worked around this problem by creating a fan page to the event where we store all the photos. As we already have the fan page admin access token stored, we don't need to login the users but clearly we are not able to tag any of the user friends, which vastly reduce the viralization potential of the solution.
So, having this problem in mind, how can I face this?
Do I really need to make an authentication of the users to be able to
tag their friends?
Is there any creative solution?
Yes, if you want to tag a user or their friends in a post, you need them to log in - this is a requirement of the Photo tagging API.
The only alternative i can think of is to give the user a URL they can go to later (e.g. on their phone or PC) which will prompt them to authorise your app and do the tagging at that time.
I got married over the weekend and since I wasn't able to snap pics of myself, many of our friends did. There are just too many photos to save so I figure let's use some PHP magic to download the photos that are tagged with my name. Is this possible?
Let me clarify, I'm not interested in making an app of any sort. Preferably, if I could use curl to grab all photos, that would suffice. Everything I've read thus far says I need to sign up as a developer.
You can get the photos with graph api. Source: Graph API User. The photos option provides all the photo owned by you or in which you are tagged in.
You still need to register an app with facebook for this. Registering an app is inevitable. It is up to you if you want to make it public. You need api_key and api_secret to access privilege on user's "private" information.
You can get it done by an account who is registered developer or register yourself as an developer.
To register yourself as a developer you need to share either your contact no. or credit card no. I have been registered with facebook as a developer but i have never had problems with the privacy.
I'd like to know if there is a possibility to check (using Graph API or any other way) whether given user likes / shares a specific link. Probably I'll have this user's facebook ID or facebook login, but my site is non-Facebook application. Actually it's Dot Net Nuke portal (target: .NET with MS SQL Server) with part of it being avaliable as Facebook app, but certainly not greater part of it, so the solution should be out of Facebook Connect, although it's not a showstopper if it's necessary.
We'll be giving points to users who share/like most of links that we serve in our portal and such possibility would be a great help to make a ranking.
Another option we consider is making some kind of "wrapper" or proxy for FB like / share buttons which will at first save some data in our database (probably - this user clicked on like for this link) and then go on with standard FB like / share route. Did anybody of You tried such solution?
If You have any other suggestion on the subject, please, post them, we'll be really thankful.
It is possible to know if a user has LIKED a site or not. You can get all user's likes with Graph API (you need user_likes permission). Take a look at the docs: http://developers.facebook.com/docs/reference/api/user/
I'm not sure if you can know if he has shared your site, but you could try by parsing his wall with the read_stream permission and then look for your site name/URL post by post.
For just general liking of items on your site, you can use a Facebook Social Plugin. However, you won't be able to associate (or really even access) user activity with users on your site without integrating Facebook Connect and creating a Facebook application for your site. At that point you can design with greater control all the possible user activity and interleave with your facebook calls other calls that affect users' accounts on your site.
hey i was wondering if there is a way to access profiles of people who have liked a specific page which is not owned by me and probably send them a message???
No, that is whole point of Facebook's privacy controls. A user must give your app permission to contact them.