Questions tagged as 'facebook'

Tagged questions
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How do I check if the user has logged in once?

When the user presses the "login with facebook" button for the first time, the application asks for permission and returns the "Gave" dialog, but if I move and try to log in again error appears, then I have to delete the permission in the applic...
asked by 22.08.2016 / 03:19
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How to make canvas toDataURL work on images on another server?

I have a facebook app where I get the user profile picture. How to paste this image over another making an assembly to be later shared in fb itself. The canvas toDataURL method does not work because the image is on another server. Do I need any...
asked by 15.05.2016 / 06:41
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Comments with Facebook for different news on site

I'm developing a website that will have several different posts (like a blog, for example). I added the comment plugin with Facebook, so that users who access can comment. However, I'm in the following situation: The user accesses a news stor...
asked by 31.03.2016 / 21:33
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Wordpress - Share the social network pulls the wrong photo

When someone will share a news story on my website (wordpress), it pulls the wrong image, do you know why or how to fix it?     
asked by 29.04.2016 / 16:14
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facebook video does not open in full screen

I embeded a facebook video to publish on my site, but when I click to enlarge full screen it increases the screen of the video, however within the div of the page. The video does not zoom "over" the page. This happens only in the google chrome b...
asked by 27.04.2016 / 19:22
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Verification login button Facebook on Android

Good evening, I'm new to programming, I'm starting now. My question is this, I started to study the Facebook Login API, she is logging in normally and forwarding to the next activity, so far so good. The problem is when I close the application a...
asked by 15.03.2016 / 04:25
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How to insert comment on facebook by the iOS Swift app? It's not sharing on my own timeline

I'm trying to insert a comment on a facebook page with my app, but I could not find function for this in Swift for iOS. Note: It is not write / post in my timeline.     
asked by 19.02.2016 / 16:37
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PhoneGap does not open external website!

I'm starting with PhoneGap, and I found a problem: my app would need to open a page on facebook. But I can not make the PhoneGap App open a simple page on Globo.com (example), but for Desktop I can usually! index.html : <!DOCTYPE html&g...
asked by 22.01.2017 / 05:56
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Error sharing android app through facebook sdk

I want to share the link of my android app through facebook using facebook sdk with a ShareButton the facebook application starts but soon closes and throws the following error. I / ERROR :: Failed to get app name. Has anyone ever had this...
asked by 03.12.2015 / 13:25
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Image cut when comparing on facebook

Hi, I have a button to share on facebook the news from my site. It takes the correct image, the correct title and the correct description. But when the window appears in the news feed in facebook the image is cropped appearing only a piece of th...
asked by 03.12.2015 / 17:47