iOS初学者在这里。我使用下面的代码保存我的Facebook的accessToken和EXPIRATIONDATE NSUserDefaults的中:在iOS的NSUserDefaults中保存Facebook access_token
facebook = [[Facebook alloc] initWithAppId:@"225083222506272"];
[facebook authorize:nil delegate:self];
NSString *access=[facebook accessToken];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSDictionary *appDefaults = [NSDictionary dictionaryWithObjectsAndKeys:access, @"accessToken",[facebook expirationDate], @"expirationDate",nil];
[defaults registerDefaults:appDefaults];
我试图找回的accessToken和到期日期与以后调用:
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSString *access=[defaults valueForKey:@"accessToken"];
NSDate *date=[defaults objectForKey:@"expirationDate"];
[facebook fbDialogLogin:access expirationDate:date];
但访问和日期为空。我究竟做错了什么?
NSLog你的访问NSString。它是否返回一个值? – shabbirv 2011-05-17 01:06:51
是的,它返回null – John 2011-05-17 01:21:27
为什么它返回null?它应该返回一个值... – bobbypage 2011-05-17 01:33:36