我已经与Facebook进行了集成,以便我可以在其他事项之外,发布状态到我的动态。我基于发布到动态开发者教程中的一些代码。当从我的iOS应用程序运行以下Graph API请求时,请求的完成块从未被调用,并且在XCode调试日志中没有出现任何错误。
[FBRequestConnection
startWithGraphPath:@"me/feed"
parameters:params
HTTPMethod:@"POST"
completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
if (error) {
DLog(@"error: domain = %@, code = %d", error.domain, error.code);
} else {
DLog(@"Posted action, id: %@", result[@"id"]);
}
}];
我有两个方便的函数,在执行此请求之前对当前的activeSession
进行检查。它们看起来像这样:
+ (BOOL)facebookSessionIsOpen {
return (FBSession.activeSession.isOpen);
}
+ (BOOL)facebookSessionHasPublishPermissions {
if ([FBSession.activeSession.permissions indexOfObject:@"publish_actions"] == NSNotFound ||
[FBSession.activeSession.permissions indexOfObject:@"publish_stream"] == NSNotFound ||
[FBSession.activeSession.permissions indexOfObject:@"manage_friendlists"] == NSNotFound) {
return NO;
} else {
return YES;
}
}
这两个函数都会返回YES
,表示具有必要的发布权限的活动会话。更令人困惑的是,在成功执行相同的检查后(不需要授予发布权限即可拉取用户资料),我可以毫无问题地拉取用户资料,使用以下代码:
[FBRequestConnection
startWithGraphPath:@"me"
parameters:[NSDictionary dictionaryWithObject:@"picture,id,birthday,email,location,hometown" forKey:@"fields"]
HTTPMethod:@"GET"
completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
NSDictionary* resultDict = (NSDictionary*)result;
NSString* emailAddress = resultDict[@"email"];
NSString* location = resultDict[@"location"][@"name"];
NSString* birthday = resultDict[@"birthday"];
NSString* homeTown = resultDict[@"hometown"][@"name"];
...
}];
有什么建议可以解决这个问题的调试?