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The FBUserSettingsDelegate protocol defines the methods called by a FBUserSettingsViewController.
| Extends Protocol: | FBViewControllerDelegate |
| Declared in: | FBUserSettingsViewController.h |
loginViewController:receivedError:Called if the view controller encounters an error while trying to log a user in.
| พารามิเตอร์ | คำอธิบาย |
|---|---|
sender | The view controller sending the message. |
error | The error encountered. |
- (void) loginViewController: | (id)sender |
receivedError: | (NSError *)error; |
See https://developers.facebook.com/docs/technical-guides/iossdk/errors/ for error handling best practices.
FBUserSettingsViewController.hloginViewControllerDidLogUserIn:Called after the view controller successfully logged the user in in response to a button press.
| พารามิเตอร์ | คำอธิบาย |
|---|---|
sender | The view controller sending the message. |
- (void) loginViewControllerDidLogUserIn:(id)sender;FBUserSettingsViewController.hloginViewControllerDidLogUserOut:Called after the view controller logged the user out in response to a button press.
| พารามิเตอร์ | คำอธิบาย |
|---|---|
sender | The view controller sending the message. |
- (void) loginViewControllerDidLogUserOut:(id)sender;FBUserSettingsViewController.hloginViewControllerWillAttemptToLogUserIn:Called when the view controller will log the user in in response to a button press. Note that logging in can fail for a number of reasons, so there is no guarantee that this will be followed by a call to loginViewControllerDidLogUserIn:. Callers wanting more granular notification of the session state changes can use KVO or the NSNotificationCenter to observe them.
| พารามิเตอร์ | คำอธิบาย |
|---|---|
sender | The view controller sending the message. |
- (void) loginViewControllerWillAttemptToLogUserIn:(id)sender;FBUserSettingsViewController.hloginViewControllerWillLogUserOut:Called when the view controller will log the user out in response to a button press.
| พารามิเตอร์ | คำอธิบาย |
|---|---|
sender | The view controller sending the message. |
- (void) loginViewControllerWillLogUserOut:(id)sender;FBUserSettingsViewController.h