I developed a facebook app with fbml canvas.
Sometimes for me it loads a blank page (say 1/10 times). For a user in another location it is always loading blank page.
Is it a problem with facebook or my hosting?
Please help me out to resolve this problem.
Thanks in advance.
It most likely is on the facebook site. If it was a fault on your side, it would always have come as blank. Sometimes facebook servers go down, and you see blank pages. I have developed a number of facebook applications and unfortunately this problem happens with those apps just as well. So don't worry, it is there with the facebook itself.
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I created a facebook and placed it on my facebook brand page, I also created a post on the wall of that page with the link to the app.
all works well until people started calling me saying that when accessing using FB iPhone app it will redirect to an error page "the page your requested was not found"
I tried adding a link (same page) to the "Mobile Web" link of my app in the FB Developer App.
it still doesn't work..
I need people accessing the app page to get some content.. I know it is possible but cant find how..
thanks for your help
Tabs aren't supported via the app or mobile site. Best you could do is add the query parameter "ref=ts" to prevent the page from going switching to mobile. It helps in the browser but not the app itself.
So add ?ref=ts to the end of your app url and at least mobile users can see it in their browser.
http://facebook.stackoverflow.com/a/10833366/461119
Up until about 2 weeks ago, if you visited a Facebook Fan Page on an Iphone through safari (not the Facebook App), it brought you to the normal internet version of the site. This made it very easy to have control over what people saw first when they visited the page by creating an app and then specifying the app related tab (page) as the default landing page for users.
In this way you could include a "like / reveal" (Fan Gate) page and have the same type of incentive and offer translate directly to the iphone viewers as it had been seen on the internet using a computer. (still not sure how it looks on Android)
Since they added the redirect that forwards mobile browsers to their m.facebook.com page, if you try going to a specific fan page, it brings you to the "Wall" as the default and doesn't seem to even show the special tabs you created through an app -completely ignoring what ever defaults you had set up in the app!
Has anybody figured out a way to have a mobile browser pay attention to the default page named in the app or somehow disable the mobile browser redirect so it goes to the standard page. This is very important for using with QR codes, since you used to just link the QR directly to the fanpage address and it worked pefect, but now simply leaves the people a little confused about the offer you were promoting.
Thanks for any help on this!!!!!
I have looked around and around for hours now and messed about with different pieces of code and I am at a loss.
I am only a begginner at PHP so I am learning it as I go along. I get how authorisation works and I have managed to get the app authorised, just once the app has been authorised the application redirects the user to the full canvas page on my website instead of displaying my canvas page in the iframe within Facebook.
I can't for the life of me work out how to change this so the redirect redirects to the iframe and not my website.
I would really appreciate some help on this matter.
(P.s. I know there are similar topics to this and I have read quite a few and have found nothing that has helped me solve my problem)
Many Thanks
Scott
I have an issue with my Facebook app when the user uses Internet Explorer.
My app is loaded in iFrame as Canvas Page.
Cookies and Session are lost after post back. It doesn't happen of Firefox at all,
and it doesn't happen on IE if I open my app outside of Facebook, meaning, using the direct URL.
My app is Asp.net C# app but it shouldn't really matter.
I think the issue is larger than a Facebook issue... any website loaded in iFrame using cookies/session is prevented by IE from keeping cookies/session, but is there a way by Facebook to overcome this? I must use sessions in my app, not just to save the reauthentication again and again but for other things too.
Please assist me.
Thanks!
most likely you need to implement P3P headers in your app, see the following for more details:
http://forum.developers.facebook.net/viewtopic.php?id=452
I have lots of Facebook Fanpages, and I have been told on many occasions to change to iFrames. Facebook developing isn't really my main thing so I havent kept upto date with the change as FBML worked for me.
I have asked a recent question about rotating images and it seems that iFrames will be able to handle this.
Can you tell me what are the good things about iFrames?
Is there an iFrame service without thirdpart branding (i.e WildFire logo at the bottom of page)
Thanks for your help
You should be switching as soon as possible from fbml fan pages to iframe fan page because the FBML pages have been deprecated (you can't create new fbml pages) and it is likely Facebook will start killing FBML page support for existing pages, with little to no notice.
The biggest benefits are almost all javascript code will run now and without making a user first click somewhere. Laying out pages is a lot cleaner. And you don't have to learn the fbml tags. You just make a web page like you normally would and it should run just fine, as long as you understand that iframe code is sandboxed due to cross domain limitations so you can't try to modify its parent (the Facebook page)
I don't know of any iFrame services, but iFrame pages are so simple - you just host a plain html file or webpage somewhere on a server anywhere and tell Facebook the url for it. Do note though that the site it is hosted on should have an SSL certificate for users that visit your page with HTTPS enabled on their Facebook account.