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    <hr> <p><strong>UPDATE</strong>: This issue has been addressed in Facebook iOS SDK 3.1.1.</p> <hr> <p>I synched the code off of github and found that they weren't calling <code>accountStore renewCredentialsForAccount:completion:</code> anywhere. I changed the following code in <code>authorizeUsingSystemAccountStore</code> and it seems to have resolved the issue.</p> <pre><code>// we will attempt an iOS integrated facebook login [accountStore requestAccessToAccountsWithType:accountType options:options completion:^(BOOL granted, NSError *error) { // this means the user has not signed-on to Facebook via the OS BOOL isUntosedDevice = (!granted &amp;&amp; error.code == ACErrorAccountNotFound); dispatch_block_t postReauthorizeBlock = ^{ NSString *oauthToken = nil; if (granted) { NSArray *fbAccounts = [accountStore accountsWithAccountType:accountType]; id account = [fbAccounts objectAtIndex:0]; id credential = [account credential]; oauthToken = [credential oauthToken]; } // initial auth case if (!isReauthorize) { if (oauthToken) { _isFacebookLoginToken = YES; _isOSIntegratedFacebookLoginToken = YES; // we received a token just now self.refreshDate = [NSDate date]; // set token and date, state transition, and call the handler if there is one [self transitionAndCallHandlerWithState:FBSessionStateOpen error:nil token:oauthToken // BUG: we need a means for fetching the expiration date of the token expirationDate:[NSDate distantFuture] shouldCache:YES loginType:FBSessionLoginTypeSystemAccount]; } else if (isUntosedDevice) { // even when OS integrated auth is possible we use native-app/safari // login if the user has not signed on to Facebook via the OS [self authorizeWithPermissions:permissions defaultAudience:defaultAudience integratedAuth:NO FBAppAuth:YES safariAuth:YES fallback:YES isReauthorize:NO]; } else { // create an error object with additional info regarding failed login NSError *err = [FBSession errorLoginFailedWithReason:nil errorCode:nil innerError:error]; // state transition, and call the handler if there is one [self transitionAndCallHandlerWithState:FBSessionStateClosedLoginFailed error:err token:nil expirationDate:nil shouldCache:NO loginType:FBSessionLoginTypeNone]; } } else { // reauth case if (oauthToken) { // union the requested permissions with the already granted permissions NSMutableSet *set = [NSMutableSet setWithArray:self.permissions]; [set addObjectsFromArray:permissions]; // complete the operation: success [self completeReauthorizeWithAccessToken:oauthToken expirationDate:[NSDate distantFuture] permissions:[set allObjects]]; } else { // no token in this case implies that the user cancelled the permissions upgrade NSError *error = [FBSession errorLoginFailedWithReason:FBErrorReauthorizeFailedReasonUserCancelled errorCode:nil innerError:nil]; // complete the operation: failed [self callReauthorizeHandlerAndClearState:error]; // if we made it this far into the reauth case with an untosed device, then // it is time to invalidate the session if (isUntosedDevice) { [self closeAndClearTokenInformation]; } } } }; if (granted) { [accountStore renewCredentialsForAccount:[[accountStore accountsWithAccountType:accountType] lastObject] completion:^(ACAccountCredentialRenewResult renewResult, NSError *error) { dispatch_async(dispatch_get_main_queue(), postReauthorizeBlock); }]; } else { // requestAccessToAccountsWithType:options:completion: completes on an // arbitrary thread; let's process this back on our main thread dispatch_async(dispatch_get_main_queue(), postReauthorizeBlock); } }]; } </code></pre>
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    1. POExpired access token after openActiveSession for Facebook iOS SDK
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    1. POExpired access token after openActiveSession for Facebook iOS SDK
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    1. COWe should probably be checking for an expiryDate before renewing (since it takes time to renew) but despite what it says in Apple's docs (http://developer.apple.com/library/ios/#documentation/Accounts/Reference/ACAccountCredentialClassRef/Reference/Reference.html#//apple_ref/doc/c_ref/ACAccountCredential), the expiryDate param doesn't seem to exist.
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    2. COHi Ben, you are right about needed to call renew*. Calling from here works well. The choice of where to make the calls depends generally on the trade-off between consistency in behavior, and extra network roundtrips. In the next SDK update we are considering making the call in the FBRequestConnection logic that handles invalid tokens.
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    3. CO@JasonClark That seems like a reasonable choice. I'd suggest also having just a plain old renew call in the FB SDK. That'd be useful if you were just using the SDK for token management rather than a conduit for making graph calls. Thanks for responding!
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