Hello I am using Twit Pic in my app.I want to upload selected photo to facebook also ..How could I do this.If I upload then how to know user is logged in at fb?
You could try a framework such as ShareKit to facilitate sharing the image on facebook.
I don't think there is a way to tell if the user is logged in without requesting permission to access her account, perhaps via the Facebook sdk.
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I have lots of photos on Facebook and other photos which my friends tagged / posted on my Facebook wall. I need to back up them and save them to Dropbox and One Drive. What app or tool can help me?
If you have a phone, you can use FBAB to backup your facebook photos.
Android , iOS
Login to your Facebook account on your computer. Go to setting>General. There will be a link "Download a copy of your Facebook Data" click it and it will ask for confirmation. You will get a backup of your data on your provided email.
Is there a way to upload photos to my existing facebook album with the javascript SDK without any authorization ? For example, I know my facebook ID and the image URL what I want to upload.
Without authorization you cant upload images to an facebook album.
Take a look at this answer:
Facebook Graph API - upload photo using javascript on stackoverflow
Is there any way to add Facebook Cover Photo to the user profile using PHP API.
I tried, but I can only upload the image to user album or photos section. I cant able to update the my app register user cover photo.
How could I do this. Help me.
Thanks in advance
Actually it's not possible directly via Graph API
I am trying to write a facebook app using Facebook C# sdk 5.1.1. The app should let the users to upload a picture to a Facebook page. I was able to write the app where only the admins of the page are able to upload the picture but not users. Even if the user has liked that page I am not able to do it.
I know its possible because on iPhone or from web site you can visit a page and write something on wall or share a photo. But I am not able to figure out how to do it using Facebook API.
the user of the application needs to grant the publish_stream permissions.
You can then make a call to
https://graph.facebook.com/<page_id>/feed?message=<yourmessage>&picture=<picture_url>&access_token=<access_token>&method=POST.
You can try this first by using the Graph API Explorer
Hope this helps.
Is it possible for a Facebook App to submit a photo (with user's permission) as a profile photo?
Yes see here it even contains sample PHP code to get you started