我正在使用最新的 facebook sdk 通过提要对话框共享功能在 facebook 上共享短信。在 facebook 上共享文本消息工作正常，但我面临的问题是单击共享后再次出现登录对话框，即使我有有效的会话和登录用户。
- (BOOL)openSessionAllowingLoginUI:(BOOL)allowLoginUI
{
NSArray *permissions = [[NSArray alloc] initWithObjects:@"offline_access",@"publish_actions",@"read_stream", nil];
return [FBSession openActiveSessionWithPublishPermissions:permissions
defaultAudience:FBSessionDefaultAudienceOnlyMe
allowLoginUI:YES
completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
DLog(@"Facebook Error : %@", error);
if (!error) {
[self publishPost:self.shareMessage andLink:self.shareLink];
}
}];
}
- (void)publishPost:(NSString *)message andLink:(NSString *)url
{
// Put together the dialog parameters
NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
@"sample", @"name",
self.shareMessage, @"description",
self.shareLink, @"link",
nil];
[FBWebDialogs presentFeedDialogModallyWithSession:nil
parameters:params
handler:
^(FBWebDialogResult result, NSURL *resultURL, NSError *error) {
if (error) {
// Error launching the dialog or publishing a story.
NSLog(@"Error publishing post.");
} else {
if (result == FBWebDialogResultDialogNotCompleted) {
// User clicked the "x" icon
NSLog(@"User canceled post publishing.");
} else {
// Handle the publish feed callback
NSDictionary *urlParams = [self parseURLParams:[resultURL query]];
if (![urlParams valueForKey:@"post_id"]) {
// User clicked the Cancel button
NSLog(@"User canceled story publishing.");
} else {
// User clicked the Share button
[self displaySuccessMessage];
}
}
}
}];
}