FBWebDialogs does not show - no reaction - ios

Question

Please if any of you could help me with this Facebook SDK. I don't know what's going on, and the problem is that when button with facebook is clicked nothing shows up - FBWebDialog is dead but "Memory managment/consumption bar in Xcode when app is fired allocs additional memory (about 22 MB) after that action. I have followed official tutorial: https://developers.facebook.com/docs/ios/share and reainstalled facebook SDK, added things like AppID etc. Even that haven't helped me. What's wrong with that?
I'm using iphone simulator and ios 8 and Xcode 6.0. About 2 mounths ago everything worked fine. Pop-up window was showed in application until now.
Any help with this will be appreciated.
UPDATE:
MY CODE:
[FBLoginView class];
FBLinkShareParams *params = [[FBLinkShareParams alloc] init];
params.link = [NSURL URLWithString:#"https://developers.facebook.com/docs/ios/share/"];
// If the Facebook app is installed and we can present the share dialog
if ([FBDialogs canPresentShareDialogWithParams:params]) {
// Present the share dialog
[FBDialogs presentShareDialogWithLink:params.link
handler:^(FBAppCall *call, NSDictionary *results, NSError *error) {
if(error) {
// An error occurred, we need to handle the error
// See: https://developers.facebook.com/docs/ios/errors
NSLog(#"Error publishing story: %#", error.description);
} else {
// Success
NSLog(#"result %#", results);
}
}];
} else {
// Present the feed dialog
// Put together the dialog parameters
NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
#"Sharing Tutorial", #"name",
#"Build great social apps and get more installs.", #"caption",
#"Allow your users to share stories on Facebook from your app using the iOS SDK.", #"description",
#"https://developers.facebook.com/docs/ios/share/", #"link",
#"http://i.imgur.com/g3Qc1HN.png", #"picture",
nil];
// Show the feed dialog
[FBWebDialogs presentFeedDialogModallyWithSession:nil
parameters:params
handler:^(FBWebDialogResult result, NSURL *resultURL, NSError *error) {
if (error) {
// An error occurred, we need to handle the error
// See: https://developers.facebook.com/docs/ios/errors
NSLog(#"Error publishing story: %#", error.description);
} else {
if (result == FBWebDialogResultDialogNotCompleted) {
// User cancelled.
NSLog(#"User cancelled.");
} else {
// Handle the publish feed callback
NSDictionary *urlParams = [self parseURLParams:[resultURL query]];
if (![urlParams valueForKey:#"post_id"]) {
// User cancelled.
NSLog(#"User cancelled.");
} else {
// User clicked the Share button
NSString *result = [NSString stringWithFormat: #"Posted story, id: %#", [urlParams valueForKey:#"post_id"]];
NSLog(#"result %#", result);
}
}
}
}];
}
Standard code from Facebook site but still no reaction.