facebook

Getting username and profile picture from Facebook iOS 7

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This is the simplest way I’ve found to get the user’s profile picture. [[FBRequest requestForMe] startWithCompletionHandler:^(FBRequestConnection *connection, NSDictionary<FBGraphUser> *FBuser, NSError *error) { if (error) { // Handle error } else { NSString *userName = [FBuser name]; NSString *userImageURL = [NSString stringWithFormat:@”https://graph.facebook.com/%@/picture?type=large”, [FBuser objectID]]; } }]; Other query parameters that can be used are: type: small, … Read more

Android share intent for facebook- share text AND link

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I just built this code and it’s working for me: private void shareAppLinkViaFacebook(String urlToShare) { try { Intent intent1 = new Intent(); intent1.setClassName(“com.facebook.katana”, “com.facebook.katana.activity.composer.ImplicitShareIntentHandler”); intent1.setAction(“android.intent.action.SEND”); intent1.setType(“text/plain”); intent1.putExtra(“android.intent.extra.TEXT”, urlToShare); startActivity(intent1); } catch (Exception e) { // If we failed (not native FB app installed), try share through SEND String sharerUrl = “https://www.facebook.com/sharer/sharer.php?u=” + urlToShare; Intent intent … Read more

Error Invalid Scopes: offline_access, publish_stream, when I try to connect with Facebook API

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The permissions offline_access and publish_stream are deprecated, thus cannot be requested anymore. publish_stream can be replaced by publish_actions, offline_access is gone. See https://developers.facebook.com/docs/facebook-login/permissions/v2.4#reference https://developers.facebook.com/docs/apps/changelog

Unable to get access token from Facebook. Got an OAuthException says “Error validating verification code”

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I recently dealt with exactly this problem: everything matched, but it failed with the OAuthException. The thing that made it work was to change the redirect uri (in both requests for the flow) from: http://foo.example.com to http://foo.example.com/ I.e., add the trailing slash. And then it worked. Stupid and silly, but there you go.

facebook error ‘Error validating verification code’

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There are presently (as of March 2011) undocumented requirements regarding what makes a valid redirect_uri. First, both redirect_uri paramaters to authorize and access_token must match. Apparently Facebook (or rather OAuth2) is using the redirect_uri as a internal key to encode the code returned for the access_token request. It’s kinda clever since it verifies back to … Read more

Facebook SDK returned an error: Cross-site request forgery validation failed. The “state” param from the URL and session do not match

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I found that as long as I enabled PHP sessions before generating the login url, and at the top of the script Facebook eventually redirects to, it works just fine on its own without setting a cookie (as per ale500’s answer). This is using the 5.1 version of the sdk. At the top of both … Read more