objective c - UIActivityViewController doesn't show FB and Twitter on iOS 7 -

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i trying share items using uiactivityviewcontroller. on ios 6 works fine. when test on ios 7 mail icon shows up. in doubt sdk old downloaded recent one, it's still behaves same. tested on both simulator , device facebook installed on it, no luck.

now running out of ideas wrong.

here code

- (void)sharebuttonwastapped:(bmpopupmenuview *)popupmenu {  nsstring *sharetext;  if (_correctpatternfound) {     sharetext = @"yey, solved puzzle!"; } else {     sharetext = @"i solving photzle..."; }  nsurl *shareurl = [nsurl urlwithstring:@"http://somewebsite.com"];  nsarray *items   = [nsarray arraywithobjects:                     sharetext,                     _shareimage,                     shareurl, nil];   uiactivityviewcontroller *activityviewcontroller = [[uiactivityviewcontroller alloc] initwithactivityitems:items applicationactivities:nil]; [activityviewcontroller setvalue:sharetext forkey:@"subject"];  activityviewcontroller.excludedactivitytypes =   @[uiactivitytypecopytopasteboard,                                                    uiactivitytypeposttoweibo,                                                    uiactivitytypesavetocameraroll,                                                    uiactivitytypecopytopasteboard,                                                    uiactivitytypemessage,                                                    uiactivitytypeassigntocontact,                                                    uiactivitytypeprint];  [self presentviewcontroller:activityviewcontroller animated:yes completion:nil]; }

they won't show when don't have twitter , facebook accounts set in settings. facebook or twitter app not enough - should have explicitly set accounts.
maybe it's not cool, (user may want share on fb or twitter , perform login it) apple considered these activities should work in ios 7.


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