                         // touch to create (if need) for faster appear
                         strongSelf.imagePicker.hidesBarsOnTap = false
                     }
+
                 }
 
                 // 尝试保留草稿


                switch (previousState, currentState) {

                case (.MoreMessages, .Default):

                    UIView.animateWithDuration(0.2, delay: 0.0, options: .CurveEaseInOut, animations: { _ in
                        strongSelf.conversationCollectionView.contentOffset.y -= strongSelf.moreMessageTypesViewDefaultHeight
                        strongSelf.conversationCollectionView.contentInset.bottom = strongSelf.messageToolbar.frame.height


                    })

                default:

                    if currentState == .MoreMessages {

                        if previousState != .BeginTextInput && previousState != .TextInputing {

                            UIView.animateWithDuration(0.2, delay: 0.0, options: .CurveEaseInOut, animations: { _ in

                                strongSelf.conversationCollectionView.contentOffset.y += strongSelf.moreMessageTypesViewDefaultHeight
                                strongSelf.conversationCollectionView.contentInset.bottom = strongSelf.messageToolbar.frame.height + strongSelf.moreMessageTypesViewDefaultHeight

