IOS UIActivityViewController redraw layout -

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i've added on ios app share button, works fine, there problem after send/close dialog. problem layout moved up.

the code is:

        nsstring *texttoshare = @"my app";      nsurl *linkurl =  [nsurl urlwithstring:article.fonte];      nsarray *activityitems = @[texttoshare, linkurl];     uiactivityviewcontroller *activityvc = [[uiactivityviewcontroller alloc] initwithactivityitems:activityitems applicationactivities:nil];     activityvc.excludedactivitytypes = @[uiactivitytypeposttoweibo, uiactivitytypeassigntocontact];      [activityvc setcompletionhandler:^(nsstring *activitytype, bool completed) {      }];      [self presentviewcontroller:activityvc animated:true completion:nil];

is possible open/close di dialog without redraw layout?


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