FBSDKLoginButtonDelegate
@protocolFBSDKLoginButtonDelegate<NSObject>@protocol A delegate for
FBSDKLoginButtoniOS SDK 版本
- Sent to the delegate when the button was used to login.
Declaration
Objective-C-(void)loginButton:(nonnullFBSDKLoginButton*)loginButtondidCompleteWithResult:(nullableFBSDKLoginManagerLoginResult*)resulterror:(nullableNSError*)error;Parameters
- Sent to the delegate when the button was used to logout.
Declaration
Objective-C-(void)loginButtonDidLogOut:(nonnullFBSDKLoginButton*)loginButton;Parameters
- Sent to the delegate when the button is about to login.
Declaration
Objective-C-(BOOL)loginButtonWillLogin:(nonnullFBSDKLoginButton*)loginButton;Parameters
Return Value
YES if the login should be allowed to proceed, NO otherwise