Move textfield when keyboard appears swift

Question

I m using Swift for programing with iOS and I m using this code to move the UITextField  but it does not work  I call the function keyboardWillShow correctly  but the textfield doesn t move  I m using autolayout   override func viewDidLoad         super viewDidLoad       NSNotificationCenter defaultCenter   addObserver self  selector  Selector  keyboardWillShow     name UIKeyboardWillShowNotification  object  nil       NSNotificationCenter defaultCenter   addObserver self  selector  Selector  keyboardWillHide     name UIKeyboardWillHideNotification  object  nil      deinit       NSNotificationCenter defaultCenter   removeObserver self      func keyboardWillShow notification  NSNotification        if let keyboardSize    notification userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   CGRectValue               let contentInsets   UIEdgeInsets top  0  left  0  bottom  keyboardSize height  right  0           var frame   self ChatField frame         frame origin y   frame origin y - keyboardSize height   167         self chatField frame   frame         println  asdasd

User · Answer

Just enclose your textbox inside a view and then override inputAccessoryView returning the view   Important  Your view should be created programmatically  Do not use  IBOutlets    override var inputAccessoryView  UIView        get           return newlyProgramaticallyCreatedView

User · Answer

I have done by following manner   This is useful when textfield superview is view  class AdminLoginViewController  UIViewController  UITextFieldDelegate        IBOutlet weak var txtUserName  UITextField       IBOutlet weak var txtUserPassword  UITextField       IBOutlet weak var btnAdminLogin  UIButton       private var activeField   UIView       var param String      var adminUser   Admin    nil     var kbHeight  CGFloat       override func viewDidLoad                 self addKeyBoardObserver           self addGestureForHideKeyBoard              override func viewWillDisappear animated  Bool            super viewWillDisappear animated            override func didReceiveMemoryWarning             super didReceiveMemoryWarning              func addGestureForHideKeyBoard                 let tapGesture   UITapGestureRecognizer target  self  action  Selector  hideKeyboard            tapGesture cancelsTouchesInView   false         view addGestureRecognizer tapGesture             func hideKeyboard             self view endEditing true             func addKeyBoardObserver             NSNotificationCenter defaultCenter   addObserver self  selector   willChangeKeyboardFrame    name UIKeyboardWillShowNotification  object  nil          NSNotificationCenter defaultCenter   addObserver self  selector   willChangeKeyboardFrame    name UIKeyboardWillHideNotification  object  nil             func removeObserver            NSNotificationCenter defaultCenter   removeObserver self               MARK - textfiled Delegate      func textFieldShouldBeginEditing textField  UITextField  - gt  Bool                activeField   textField          return true           func textFieldShouldEndEditing textField  UITextField  - gt  Bool               if activeField    textField                       activeField   nil                    return true            func textFieldShouldReturn textField  UITextField  - gt  Bool            if txtUserName    textField                       txtUserPassword becomeFirstResponder                     else if  textField    txtUserPassword                        self btnAdminLoginAction nil                    return true             func willChangeKeyboardFrame aNotification   NSNotification               if self activeField    nil  amp  amp  self activeField  isFirstResponder                 if let keyboardSize     aNotification userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   CGRectValue                         let dy    self activeField  superview  convertRect  self activeField  frame    toView  view  origin y                let height    self view frame size height - keyboardSize size height               if dy  gt  height                               var frame   self view frame                  frame origin y   -  dy - height     self activeField  frame size height     20                   self view frame   frame                                   else               var frame   self view frame         frame origin y   0         self view frame   frame

User · Answer

Such simple UIViewController extension can be used    MARK  - Observers extension UIViewController        func addObserverForNotification notificationName  String  actionBlock   NSNotification  - gt  Void            NSNotificationCenter defaultCenter   addObserverForName notificationName  object  nil  queue  NSOperationQueue mainQueue    usingBlock  actionBlock             func removeObserver observer  AnyObject  notificationName  String            NSNotificationCenter defaultCenter   removeObserver observer  name  notificationName  object  nil             MARK  - Keyboard observers extension UIViewController        typealias KeyboardHeightClosure    CGFloat  - gt          func addKeyboardChangeFrameObserver willShow willShowClosure  KeyboardHeightClosure           willHide willHideClosure  KeyboardHeightClosure                 NSNotificationCenter defaultCenter   addObserverForName UIKeyboardWillChangeFrameNotification                  object  nil  queue  NSOperationQueue mainQueue    usingBlock     weak self  notification  in                     if let userInfo   notification userInfo                          let frame    userInfo UIKeyboardFrameEndUserInfoKey  as  NSValue   CGRectValue                            let duration   userInfo UIKeyboardAnimationDurationUserInfoKey  as  Double                          let c   userInfo UIKeyboardAnimationCurveUserInfoKey  as  UInt                          let kFrame   self  view convertRect frame  fromView  nil                           let kBounds   self  view bounds                                let animationType   UIViewAnimationOptions rawValue  c                              let kHeight   kFrame size height                             UIView animateWithDuration duration  delay  0  options  animationType  animations                                    if CGRectIntersectsRect kBounds  kFrame       keyboard will be shown                                     willShowClosure  kHeight                                    else      keyboard will be hidden                                     willHideClosure  kHeight                                                                       completion  nil                        else                               print  Invalid conditions for UIKeyboardWillChangeFrameNotification                                                   func removeKeyboardObserver             removeObserver self  notificationName  UIKeyboardWillChangeFrameNotification            Example of usage  override func viewWillDisappear animated  Bool            super viewWillDisappear animated           removeKeyboardObserver          override func viewWillAppear animated  Bool        super viewWillAppear animated       addKeyboardChangeFrameObserver willShow     weak self  height  in           Update constraints here         self  view setNeedsUpdateConstraints              willHide     weak self  height  in           Reset constraints here         self  view setNeedsUpdateConstraints              Swift 4 solution    MARK  - Observers extension UIViewController      func addObserverForNotification   notificationName  Notification Name  actionBlock   escaping  Notification  - gt  Void        NotificationCenter default addObserver forName  notificationName  object  nil  queue  OperationQueue main  using  actionBlock         func removeObserver   observer  AnyObject  notificationName  Notification Name        NotificationCenter default removeObserver observer  name  notificationName  object  nil           MARK  - Keyboard handling extension UIViewController      typealias KeyboardHeightClosure    CGFloat  - gt        func addKeyboardChangeFrameObserver willShow willShowClosure  KeyboardHeightClosure                                         willHide willHideClosure  KeyboardHeightClosure         NotificationCenter default addObserver forName  NSNotification Name UIKeyboardWillChangeFrame                                             object  nil  queue  OperationQueue main  using     weak self  notification  in                                             if let userInfo   notification userInfo                                                let frame    userInfo UIKeyboardFrameEndUserInfoKey  as  NSValue   cgRectValue                                                let duration   userInfo UIKeyboardAnimationDurationUserInfoKey  as  Double                                                let c   userInfo UIKeyboardAnimationCurveUserInfoKey  as  UInt                                                let kFrame   self  view convert frame  from  nil                                                 let kBounds   self  view bounds                                                  let animationType   UIViewAnimationOptions rawValue  c                                                let kHeight   kFrame size height                                               UIView animate withDuration  duration  delay  0  options  animationType  animations                                                    if kBounds intersects kFrame       keyboard will be shown                                                   willShowClosure  kHeight                                                    else      keyboard will be hidden                                                   willHideClosure  kHeight                                                                                                     completion  nil                                                else                                                 print  Invalid conditions for UIKeyboardWillChangeFrameNotification                                                               func removeKeyboardObserver         removeObserver self  notificationName  NSNotification Name UIKeyboardWillChangeFrame          Swift 4 2    MARK  - Keyboard handling extension UIViewController        func addObserverForNotification   notificationName  Notification Name  actionBlock   escaping  Notification  - gt  Void            NotificationCenter default addObserver forName  notificationName  object  nil  queue  OperationQueue main  using  actionBlock             func removeObserver   observer  AnyObject  notificationName  Notification Name            NotificationCenter default removeObserver observer  name  notificationName  object  nil             typealias KeyboardHeightClosure    CGFloat  - gt          func removeKeyboardObserver             removeObserver self  notificationName  UIResponder keyboardWillChangeFrameNotification             func addKeyboardChangeFrameObserver willShow willShowClosure  KeyboardHeightClosure                                           willHide willHideClosure  KeyboardHeightClosure             NotificationCenter default addObserver forName  UIResponder keyboardWillChangeFrameNotification                                                 object  nil  queue  OperationQueue main  using     weak self  notification  in                                                 if let userInfo   notification userInfo                                                      let frame    userInfo UIResponder keyboardFrameEndUserInfoKey  as  NSValue   cgRectValue                                                      let duration   userInfo UIResponder keyboardAnimationDurationUserInfoKey  as  Double                                                      let c   userInfo UIResponder keyboardAnimationCurveUserInfoKey  as  UInt                                                      let kFrame   self  view convert frame  from  nil                                                       let kBounds   self  view bounds                                                        let animationType   UIView AnimationOptions rawValue  c                                                      let kHeight   kFrame size height                                                     UIView animate withDuration  duration  delay  0  options  animationType  animations                                                            if kBounds intersects kFrame       keyboard will be shown                                                             willShowClosure  kHeight                                                            else      keyboard will be hidden                                                             willHideClosure  kHeight                                                                                                                   completion  nil                                                    else                                                       print  Invalid conditions for UIKeyboardWillChangeFrameNotification

User · Answer

Easiest way that doesn t require any code    Download KeyboardLayoutConstraint swift and add  drag  amp  drop  the file into your project  if you re not using the Spring animation framework already  In your storyboard  create a bottom constraint for the object view textfield  select the constraint  double-click it  and in the Identity Inspector  change its class from NSLayoutConstraint to KeyboardLayoutConstraint  Done     The object will auto-move up with the keyboard  in sync

User · Answer

The Swift 4 solution I use  takes in keyboard size  Replace serverStatusStackView with whatever view you care about  e g   self view   deinit       NotificationCenter default removeObserver self      objc func keyboardWillShow notification  NSNotification        if let keyboardSize    notification userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   cgRectValue           serverStatusStackView frame origin y   keyboardSize height   2 - serverStatusStackView frame height           objc func keyboardWillHide notification  NSNotification        if let keyboardSize    notification userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   cgRectValue           serverStatusStackView frame origin y    keyboardSize height          override func viewDidLoad         super viewDidLoad       NotificationCenter default addObserver self  selector   selector keyboardWillShow notification     name  NSNotification Name UIKeyboardWillShow  object  nil       NotificationCenter default addObserver self  selector   selector keyboardWillHide notification     name  NSNotification Name UIKeyboardWillHide  object  nil

User · Answer

If you re using Auto Layout  I assume you ve set the Bottom Space to Superview constraint  If that s the case  you simply have to update the constraint s value  Here s how you do it with a little bit of animation   func keyboardWasShown notification  NSNotification        let info   notification userInfo      let keyboardFrame  CGRect    info UIKeyboardFrameEndUserInfoKey  as  NSValue  CGRectValue        UIView animateWithDuration 0 1  animations       - gt  Void in         self bottomConstraint constant   keyboardFrame size height   20            The hardcoded 20 is added only to pop the textfield above the keyboard just a bit  Otherwise the keyboard s top margin and textfield s bottom margin would be touching   When the keyboard is dismissed  reset the constraint s value to its original one

User · Answer

Swift 4 1   Use TPKeyBoardAvoiding class for achieving this  This works fine with UIScrollView  UICollectionView  UITableView   Just assign this class to your scrollview  collectionview or tableview in storyboard or create its object programmatically  All textfield or textviews inside TPKeyboardAvoiding scrollview will adjust automatically when the keyboard appears and disappears   Here is the link for TPKeyboardAvoiding   TPKeyboardAvoiding for Swift 4 1   import Foundation import UIKit     MARK  - TableView class TPKeyboardAvoidingTableView UITableView UITextFieldDelegate  UITextViewDelegate        override var frame CGRect          willSet              super frame   frame                    didSet              if hasAutomaticKeyboardAvoidingBehaviour    return              TPKeyboardAvoiding updateContentInset                        override var contentSize CGSize          willSet newValue               if hasAutomaticKeyboardAvoidingBehaviour                     super contentSize   newValue                 return                            if newValue equalTo self contentSize                                return                            super contentSize   newValue             self TPKeyboardAvoiding updateContentInset                                didSet                        self TPKeyboardAvoiding updateContentInset                                   override init frame  CGRect  style  UITableViewStyle            super init frame  frame  style  style          self setup              required init  coder aDecoder  NSCoder            super init coder  aDecoder          self setup              override func awakeFromNib             setup              deinit          NotificationCenter default removeObserver self             func hasAutomaticKeyboardAvoidingBehaviour  - gt Bool               if  available iOS 8 3                   if self delegate is UITableViewController                               return true                                  return false            func focusNextTextField  - gt Bool               return self TPKeyboardAvoiding focusNextTextField               objc func scrollToActiveTextField                 return self TPKeyboardAvoiding scrollToActiveTextField              override func willMove toSuperview newSuperview  UIView             super willMove toSuperview  newSuperview          if newSuperview    nil               NSObject cancelPreviousPerformRequests withTarget  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       object  self                       override func touchesEnded   touches  Set lt UITouch gt   with event  UIEvent             self TPKeyboardAvoiding findFirstResponderBeneathView self   resignFirstResponder           super touchesEnded touches  with  event             func textFieldShouldReturn   textField  UITextField  - gt  Bool           if  self focusNextTextField                         textField resignFirstResponder                     return true            override func layoutSubviews             super layoutSubviews           NSObject cancelPreviousPerformRequests withTarget  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       object  self           Timer scheduledTimer timeInterval  0 1  target  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       userInfo  nil  repeats  false           private extension TPKeyboardAvoidingTableView       func setup                 if self hasAutomaticKeyboardAvoidingBehaviour     return            NotificationCenter default addObserver self                                                 selector   selector TPKeyboardAvoiding keyboardWillShow                                                      name  NSNotification Name UIKeyboardWillChangeFrame                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector TPKeyboardAvoiding keyboardWillHide                                                      name  NSNotification Name UIKeyboardWillHide                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector scrollToActiveTextField                                                  name  NSNotification Name UITextViewTextDidBeginEditing                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector scrollToActiveTextField                                                  name  NSNotification Name UITextFieldTextDidBeginEditing                                                 object  nil              MARK  - CollectionView class TPKeyboardAvoidingCollectionView UICollectionView UITextViewDelegate        override var contentSize CGSize          willSet newValue               if newValue equalTo self contentSize                                return                            super contentSize   newValue             self TPKeyboardAvoiding updateContentInset                                didSet                        self TPKeyboardAvoiding updateContentInset                                   override var frame CGRect          willSet              super frame   frame                    didSet              self TPKeyboardAvoiding updateContentInset                              override init frame  CGRect                  super init frame  frame                   override init frame  CGRect  collectionViewLayout layout  UICollectionViewLayout            super init frame  frame  collectionViewLayout  layout          setup              required init  coder aDecoder  NSCoder                      fatalError  init coder   has not been implemented           super init coder  aDecoder          self setup               override func awakeFromNib             setup              deinit          NotificationCenter default removeObserver self             func focusNextTextField  - gt Bool               return self TPKeyboardAvoiding focusNextTextField               objc func scrollToActiveTextField                 return self TPKeyboardAvoiding scrollToActiveTextField              override func willMove toSuperview newSuperview  UIView             super willMove toSuperview  newSuperview          if newSuperview    nil               NSObject cancelPreviousPerformRequests withTarget  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       object  self                       override func touchesEnded   touches  Set lt UITouch gt   with event  UIEvent             self TPKeyboardAvoiding findFirstResponderBeneathView self   resignFirstResponder           super touchesEnded touches  with  event             func textFieldShouldReturn   textField  UITextField  - gt  Bool           if  self focusNextTextField                         textField resignFirstResponder                     return true            override func layoutSubviews             super layoutSubviews           NSObject cancelPreviousPerformRequests withTarget  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       object  self           Timer scheduledTimer timeInterval  0 1  target  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       userInfo  nil  repeats  false           private extension TPKeyboardAvoidingCollectionView       func setup                 NotificationCenter default addObserver self                                                 selector   selector TPKeyboardAvoiding keyboardWillShow                                                      name  NSNotification Name UIKeyboardWillChangeFrame                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector TPKeyboardAvoiding keyboardWillHide                                                      name  NSNotification Name UIKeyboardWillHide                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector scrollToActiveTextField                                                  name  NSNotification Name UITextViewTextDidBeginEditing                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector scrollToActiveTextField                                                  name  NSNotification Name UITextFieldTextDidBeginEditing                                                 object  nil              MARK  - ScrollView class TPKeyboardAvoidingScrollView UIScrollView UITextFieldDelegate UITextViewDelegate       override var contentSize CGSize          didSet              self TPKeyboardAvoiding updateFromContentSizeChange                         override var frame CGRect          didSet              self TPKeyboardAvoiding updateContentInset                        override init frame  CGRect            super init frame  frame          self setup              override func awakeFromNib             setup              func contentSizeToFit                 self contentSize   self TPKeyboardAvoiding calculatedContentSizeFromSubviewFrames              func focusNextTextField   - gt Bool               return self TPKeyboardAvoiding focusNextTextField               objc func scrollToActiveTextField                 return self TPKeyboardAvoiding scrollToActiveTextField              required init  coder aDecoder  NSCoder            super init coder  aDecoder          self setup              deinit          NotificationCenter default removeObserver self             override func willMove toSuperview newSuperview  UIView             super willMove toSuperview  newSuperview          if newSuperview    nil               NSObject cancelPreviousPerformRequests withTarget  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       object  self                       override func touchesEnded   touches  Set lt UITouch gt   with event  UIEvent             self TPKeyboardAvoiding findFirstResponderBeneathView self   resignFirstResponder           super touchesEnded touches  with  event             func textFieldShouldReturn   textField  UITextField  - gt  Bool           if  self focusNextTextField                         textField resignFirstResponder                     return true            override func layoutSubviews             super layoutSubviews           NSObject cancelPreviousPerformRequests withTarget  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       object  self           Timer scheduledTimer timeInterval  0 1  target  self  selector   selector TPKeyboardAvoiding assignTextDelegateForViewsBeneathView       userInfo  nil  repeats  false           private extension TPKeyboardAvoidingScrollView       func setup                 NotificationCenter default addObserver self                                                 selector   selector TPKeyboardAvoiding keyboardWillShow                                                      name  NSNotification Name UIKeyboardWillChangeFrame                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector TPKeyboardAvoiding keyboardWillHide                                                      name  NSNotification Name UIKeyboardWillHide                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector scrollToActiveTextField                                                  name  NSNotification Name UITextViewTextDidBeginEditing                                                 object  nil           NotificationCenter default addObserver self                                                 selector   selector scrollToActiveTextField                                                  name  NSNotification Name UITextFieldTextDidBeginEditing                                                 object  nil              MARK  - Process Event let kCalculatedContentPadding CGFloat   10  let kMinimumScrollOffsetPadding CGFloat   20   extension UIScrollView        objc func TPKeyboardAvoiding keyboardWillShow   notification Notification                guard let userInfo   notification userInfo else   return           guard let rectNotification   notification userInfo  UIKeyboardFrameEndUserInfoKey  as  NSValue else                       return                    let keyboardRect   self convert rectNotification cgRectValue   from  nil          if keyboardRect isEmpty                       return                    let state   self keyboardAvoidingState            guard let firstResponder   self TPKeyboardAvoiding findFirstResponderBeneathView self  else   return          state keyboardRect   keyboardRect         if  state keyboardVisible                       state priorInset   self contentInset             state priorScrollIndicatorInsets   self scrollIndicatorInsets             state priorPagingEnabled   self isPagingEnabled                    state keyboardVisible   true         self isPagingEnabled   false          if self is TPKeyboardAvoidingScrollView                       state priorContentSize   self contentSize             if self contentSize equalTo CGSize zero                                self contentSize   self TPKeyboardAvoiding calculatedContentSizeFromSubviewFrames                                    let duration   userInfo UIKeyboardAnimationDurationUserInfoKey  as  Float    0 0         let curve   userInfo UIKeyboardAnimationCurveUserInfoKey  as  Int    0         let options   UIViewAnimationOptions rawValue  UInt curve            UIView animate withDuration  TimeInterval duration                          delay  0                         options  options                         animations     weak self    - gt  Void in                         if let actualSelf   self                                                       actualSelf contentInset   actualSelf TPKeyboardAvoiding contentInsetForKeyboard                               let viewableHeight   actualSelf bounds size height - actualSelf contentInset top - actualSelf contentInset bottom                             let point   CGPoint x  actualSelf contentOffset x  y  actualSelf TPKeyboardAvoiding idealOffsetForView firstResponder  viewAreaHeight  viewableHeight                               actualSelf setContentOffset point  animated  false                               actualSelf scrollIndicatorInsets   actualSelf contentInset                             actualSelf layoutIfNeeded                                            finished  - gt  Void in                        objc func TPKeyboardAvoiding keyboardWillHide   notification Notification                guard let userInfo   notification userInfo else   return            guard let rectNotification   userInfo UIKeyboardFrameEndUserInfoKey  as  NSValue else                       return                   let keyboardRect   self convert rectNotification cgRectValue   from  nil          if keyboardRect isEmpty                       return                   let state   self keyboardAvoidingState            if  state keyboardVisible                       return                   state keyboardRect   CGRect zero         state keyboardVisible   false          let duration   userInfo UIKeyboardAnimationDurationUserInfoKey  as  Float    0 0         let curve   userInfo UIKeyboardAnimationCurveUserInfoKey  as  Int    0         let options   UIViewAnimationOptions rawValue  UInt curve            UIView animate withDuration  TimeInterval duration                          delay  0                         options  options                         animations     weak self    - gt  Void in                         if let actualSelf   self                                                       if actualSelf is TPKeyboardAvoidingScrollView                                   actualSelf contentSize   state priorContentSize                                 actualSelf contentInset   state priorInset                                 actualSelf scrollIndicatorInsets   state priorScrollIndicatorInsets                                 actualSelf isPagingEnabled   state priorPagingEnabled                                 actualSelf layoutIfNeeded                                                                          finished  - gt  Void in                       func TPKeyboardAvoiding updateFromContentSizeChange                 let state   self keyboardAvoidingState           if state keyboardVisible                       state priorContentSize   self contentSize                      func TPKeyboardAvoiding focusNextTextField   - gt Bool               guard let firstResponder   self TPKeyboardAvoiding findFirstResponderBeneathView self  else   return false          guard let view   self TPKeyboardAvoiding findNextInputViewAfterView firstResponder  beneathView  self  else   return false          Timer scheduledTimer timeInterval  0 1  target  view  selector   selector becomeFirstResponder   userInfo  nil  repeats  false           return true             func TPKeyboardAvoiding scrollToActiveTextField                 let state   self keyboardAvoidingState            if  state keyboardVisible   return            let visibleSpace   self bounds size height - self contentInset top - self contentInset bottom          let idealOffset   CGPoint x  0                                    y  self TPKeyboardAvoiding idealOffsetForView self TPKeyboardAvoiding findFirstResponderBeneathView self                                                                                   viewAreaHeight  visibleSpace            DispatchQueue main asyncAfter deadline  DispatchTime now     Double  Int64  0   NSEC PER SEC     Double NSEC PER SEC     weak self     - gt  Void in             self  setContentOffset idealOffset  animated  true                         Helper     func TPKeyboardAvoiding findFirstResponderBeneathView   view UIView  - gt  UIView                for childView in view subviews                       if childView responds to   selector getter  isFirstResponder    amp  amp  childView isFirstResponder                               return childView                           let result   TPKeyboardAvoiding findFirstResponderBeneathView childView              if result    nil                               return result                                 return nil            func TPKeyboardAvoiding updateContentInset                 let state   self keyboardAvoidingState           if state keyboardVisible                       self contentInset   self TPKeyboardAvoiding contentInsetForKeyboard                        func TPKeyboardAvoiding calculatedContentSizeFromSubviewFrames   - gt CGSize               let wasShowingVerticalScrollIndicator   self showsVerticalScrollIndicator         let wasShowingHorizontalScrollIndicator   self showsHorizontalScrollIndicator          self showsVerticalScrollIndicator   false         self showsHorizontalScrollIndicator   false          var rect   CGRect zero          for view in self subviews                       rect   rect union view frame                     rect size height    kCalculatedContentPadding         self showsVerticalScrollIndicator   wasShowingVerticalScrollIndicator         self showsHorizontalScrollIndicator   wasShowingHorizontalScrollIndicator          return rect size            func TPKeyboardAvoiding idealOffsetForView   view UIView  viewAreaHeight CGFloat  - gt  CGFloat               let contentSize   self contentSize          var offset CGFloat   0 0         let subviewRect    view    nil   view  convert view  bounds  to  self    CGRect zero          var padding    viewAreaHeight - subviewRect height  2         if padding  lt  kMinimumScrollOffsetPadding                       padding   kMinimumScrollOffsetPadding                    offset   subviewRect origin y - padding - self contentInset top          if offset  gt   contentSize height - viewAreaHeight                        offset   contentSize height - viewAreaHeight                    if offset  lt  -self contentInset top                       offset   -self contentInset top                    return offset            func TPKeyboardAvoiding contentInsetForKeyboard   - gt  UIEdgeInsets               let state   self keyboardAvoidingState           var newInset   self contentInset           let keyboardRect   state keyboardRect         newInset bottom   keyboardRect size height - max keyboardRect maxY - self bounds maxY  0           return newInset             func TPKeyboardAvoiding viewIsValidKeyViewCandidate   view UIView - gt Bool               if view isHidden     view isUserInteractionEnabled  return false           if view is UITextField                       if  view as  UITextField  isEnabled  return true                     if view is UITextView                       if  view as  UITextView  isEditable  return true                     return false            func TPKeyboardAvoiding findNextInputViewAfterView   priorView UIView beneathView view UIView  candidateView bestCandidate  inout UIView                 let priorFrame   self convert priorView frame  to  priorView superview          let candidateFrame   bestCandidate    nil   CGRect zero   self convert bestCandidate  frame  to  bestCandidate  superview           var bestCandidateHeuristic   -sqrt candidateFrame origin x candidateFrame origin x   candidateFrame origin y candidateFrame origin y      Float fabs candidateFrame minY - priorFrame minY   lt Float ulpOfOne   1e6   0           for childView in view subviews                       if TPKeyboardAvoiding viewIsValidKeyViewCandidate childView                                let frame   self convert childView frame  to  view                  let heuristic   -sqrt frame origin x frame origin x   frame origin y frame origin y                         Float fabs frame minY - priorFrame minY    lt  Float ulpOfOne   1e6   0                   if childView    priorView  amp  amp   Float fabs frame minY - priorFrame minY    lt  Float ulpOfOne                      amp  amp  frame minX  gt  priorFrame minX                        frame minY  gt  priorFrame minY                       amp  amp   bestCandidate    nil    heuristic  gt  bestCandidateHeuristic                                        bestCandidate   childView                     bestCandidateHeuristic   heuristic                                else                               self TPKeyboardAvoiding findNextInputViewAfterView priorView  beneathView  view  candidateView   amp bestCandidate                                     func TPKeyboardAvoiding findNextInputViewAfterView   priorView UIView beneathView view UIView  - gt UIView                var candidate UIView          self TPKeyboardAvoiding findNextInputViewAfterView priorView  beneathView  view  candidateView   amp candidate          return candidate              objc func TPKeyboardAvoiding assignTextDelegateForViewsBeneathView   obj  AnyObject                func processWithView   view  UIView                for childView in view subviews                               if childView is UITextField    childView is UITextView                                       self TPKeyboardAvoiding initializeView childView                   else                                       self TPKeyboardAvoiding assignTextDelegateForViewsBeneathView childView                                                     if let timer   obj as  Timer  let view   timer userInfo as  UIView               processWithView view                    else if let view   obj as  UIView               processWithView view                       func TPKeyboardAvoiding initializeView   view UIView                if let textField   view as  UITextField              let delegate   self as  UITextFieldDelegate  textField returnKeyType    UIReturnKeyType default  amp  amp              textField delegate     delegate                       textField delegate   delegate             let otherView   self TPKeyboardAvoiding findNextInputViewAfterView view  beneathView  self              textField returnKeyType   otherView    nil    next    done                       func keyboardAvoidingState  - gt TPKeyboardAvoidingState               var state   objc getAssociatedObject self   amp AssociatedKeysKeyboard DescriptiveName  as  TPKeyboardAvoidingState         if state    nil                       state   TPKeyboardAvoidingState               self state   state                    return self state               MARK  - Internal object observer internal class TPKeyboardAvoidingState NSObject       var priorInset   UIEdgeInsets zero     var priorScrollIndicatorInsets   UIEdgeInsets zero      var keyboardVisible   false     var keyboardRect   CGRect zero     var priorContentSize   CGSize zero      var priorPagingEnabled   false    internal extension UIScrollView       fileprivate struct AssociatedKeysKeyboard           static var DescriptiveName    KeyBoard DescriptiveName             var state TPKeyboardAvoidingState           get              let optionalObject AnyObject    objc getAssociatedObject self   amp AssociatedKeysKeyboard DescriptiveName  as AnyObject              if let object AnyObject   optionalObject                   return object as  TPKeyboardAvoidingState               else                   return nil                                 set              objc setAssociatedObject self   amp AssociatedKeysKeyboard DescriptiveName  newValue  objc AssociationPolicy OBJC ASSOCIATION RETAIN NONATOMIC

User · Answer

Swift 4 x answer  merging answers from  Joseph Lord and  Isuru  bottomConstraint represents the bottom constraint of the view you re interested in moving   override func viewDidLoad            Call super     super viewDidLoad           Subscribe to keyboard notifications     NotificationCenter default addObserver self                                             selector   selector keyboardNotification notification                                                name  UIResponder keyboardWillChangeFrameNotification                                             object  nil              deinit       NotificationCenter default removeObserver self       objc func keyboardNotification notification  NSNotification        if let userInfo   notification userInfo              Get keyboard frame         let keyboardFrame    userInfo UIResponder keyboardFrameEndUserInfoKey  as  NSValue  cgRectValue             Set new bottom constraint constant         let bottomConstraintConstant   keyboardFrame origin y  gt   UIScreen main bounds size height   0 0   keyboardFrame size height             Set animation properties         let duration    userInfo UIResponder keyboardAnimationDurationUserInfoKey  as  NSNumber   doubleValue    0         let animationCurveRawNSN   userInfo UIResponder keyboardAnimationCurveUserInfoKey  as  NSNumber         let animationCurveRaw   animationCurveRawNSN  uintValue    UIView AnimationOptions curveEaseInOut rawValue         let animationCurve   UIView AnimationOptions rawValue  animationCurveRaw              Animate the view you care about         UIView animate withDuration  duration  delay  0  options  animationCurve  animations                self bottomConstraint constant   bottomConstraintConstant             self view layoutIfNeeded              completion  nil

User · Answer

The best way is using NotificationCenter to catch keyboard actions  You can follow the steps in this short article https   medium com  demirciy keyboard-handling-deb1a96a8207

User · Answer

The following is a simple solution  whereby the text field has a constraint tying it to the bottom layout guide  It simply adds the keyboard height to the constraint s constant      This constraint ties the text field to the bottom layout guide  IBOutlet var textFieldToBottomLayoutGuideConstraint  NSLayoutConstraint   override func viewDidLoad         super viewDidLoad        NSNotificationCenter defaultCenter   addObserver self  selector   keyboardWillShow    name UIKeyboardWillShowNotification  object  nil       NSNotificationCenter defaultCenter   addObserver self  selector   keyboardWillHide    name UIKeyboardWillHideNotification  object  nil      func keyboardWillShow sender  NSNotification        if let keyboardSize    sender userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   CGRectValue             self textFieldToBottomLayoutGuideConstraint  constant    keyboardSize height          func keyboardWillHide sender  NSNotification        if let keyboardSize    sender userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   CGRectValue             self textFieldToBottomLayoutGuideConstraint  constant -  keyboardSize height

User · Answer

I created a Swift 3 protocol to handle the keyboard appearance / disappearance

import UIKit

protocol KeyboardHandler: class {

var bottomConstraint: NSLayoutConstraint! { get set }

    func keyboardWillShow(_ notification: Notification)
    func keyboardWillHide(_ notification: Notification)
    func startObservingKeyboardChanges()
    func stopObservingKeyboardChanges()
}


extension KeyboardHandler where Self: UIViewController {

    func startObservingKeyboardChanges() {

        // NotificationCenter observers
        NotificationCenter.default.addObserver(forName: NSNotification.Name.UIKeyboardWillShow, object: nil, queue: nil) { [weak self] notification in
          self?.keyboardWillShow(notification)
        }

        // Deal with rotations
        NotificationCenter.default.addObserver(forName: NSNotification.Name.UIKeyboardWillChangeFrame, object: nil, queue: nil) { [weak self] notification in
          self?.keyboardWillShow(notification)
        }

        // Deal with keyboard change (emoji, numerical, etc.)
        NotificationCenter.default.addObserver(forName: NSNotification.Name.UITextInputCurrentInputModeDidChange, object: nil, queue: nil) { [weak self] notification in
          self?.keyboardWillShow(notification)
        }

        NotificationCenter.default.addObserver(forName: NSNotification.Name.UIKeyboardWillHide, object: nil, queue: nil) { [weak self] notification in
          self?.keyboardWillHide(notification)
        }
    }


    func keyboardWillShow(_ notification: Notification) {

      let verticalPadding: CGFloat = 20 // Padding between the bottom of the view and the top of the keyboard

      guard let value = notification.userInfo?[UIKeyboardFrameEndUserInfoKey] as? NSValue else { return }
      let keyboardHeight = value.cgRectValue.height

      // Here you could have more complex rules, like checking if the textField currently selected is actually covered by the keyboard, but that's out of this scope.
      self.bottomConstraint.constant = keyboardHeight + verticalPadding

      UIView.animate(withDuration: 0.1, animations: { () -> Void in
          self.view.layoutIfNeeded()
      })
  }


  func keyboardWillHide(_ notification: Notification) {
      self.bottomConstraint.constant = 0

      UIView.animate(withDuration: 0.1, animations: { () -> Void in
          self.view.layoutIfNeeded()
      })
  }


  func stopObservingKeyboardChanges() {
      NotificationCenter.default.removeObserver(self)
  }

}

Then, to implement it in a UIViewController, do the following:

let the viewController conform to this protocol :

class FormMailVC: UIViewControlle, KeyboardHandler {

start observing keyboard changes in viewWillAppear:

// MARK: - View controller life cycle
override func viewWillAppear(_ animated: Bool) {
  super.viewWillAppear(animated)
  startObservingKeyboardChanges()
}

stop observing keyboard changes in viewWillDisappear:

override func viewWillDisappear(_ animated: Bool) {
  super.viewWillDisappear(animated)
  stopObservingKeyboardChanges()
}

create an IBOutlet for the bottom constraint from the storyboard:
```
// NSLayoutConstraints
@IBOutlet weak var bottomConstraint: NSLayoutConstraint!
```
(I recommend having all of your UI embedded inside a "contentView", and linking to this property the bottom constraint from this contentView to the bottom layout guide)
change the constraint priority of the top constraint to 250 (low)

This is to let the whole content view slide upwards when the keyboard appears. The priority must be lower than any other constraint priority in the subviews, including content hugging priorities / content compression resistance priorities.

Make sure that your Autolayout has enough constraints to determine how the contentView should slide up.

You may have to add a "greater than equal" constraint for this:

And here you go!

User · Answer

Here is a generic solution for all TextField Steps -

1) Create a common ViewController that is extended by other ViewControllers

override func viewDidLoad() {
    super.viewDidLoad()
    NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow), name: UIResponder.keyboardWillShowNotification, object: nil)
    NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide), name: UIResponder.keyboardWillHideNotification, object: nil)

}
 @objc func keyboardWillShow(notification: NSNotification) {
    if let keyboardSize = (notification.userInfo?[UIResponder.keyboardFrameBeginUserInfoKey] as? NSValue)?.cgRectValue {
        if self.view.frame.origin.y == 0 {
            self.view.frame.origin.y -= getMoveableDistance(keyboarHeight: keyboardSize.height)
        }
    }
}

@objc func keyboardWillHide(notification: NSNotification) {
    if self.view.frame.origin.y != 0 {
        self.view.frame.origin.y = 0
    }
}
deinit {
    NotificationCenter.default.removeObserver(self)
}

//get the distance to move up the main view for the focus textfiled
func getMoveableDistance(keyboarHeight : CGFloat) ->  CGFloat{
    var y:CGFloat = 0.0
    if let activeTF = getSelectedTextField(){
        var tfMaxY = activeTF.frame.maxY
        var containerView = activeTF.superview!
        while containerView.frame.maxY != self.view.frame.maxY{
            let contViewFrm = containerView.convert(activeTF.frame, to: containerView.superview)
            tfMaxY = tfMaxY + contViewFrm.minY
            containerView = containerView.superview!
        }
        let keyboardMinY = self.view.frame.height - keyboarHeight
        if tfMaxY > keyboardMinY{
            y = (tfMaxY - keyboardMinY) + 10.0
        }
    }

    return y
}

2) Create a extension of UIViewController and the currently active TextField

//get active text field

extension UIViewController { func getSelectedTextField() -> UITextField? {

    let totalTextFields = getTextFieldsInView(view: self.view)

    for textField in totalTextFields{
        if textField.isFirstResponder{
            return textField
        }
    }

    return nil

}

func getTextFieldsInView(view: UIView) -> [UITextField] {

    var totalTextFields = [UITextField]()

    for subview in view.subviews as [UIView] {
        if let textField = subview as? UITextField {
            totalTextFields += [textField]
        } else {
            totalTextFields += getTextFieldsInView(view: subview)
        }
    }

    return totalTextFields
}

}

User · Answer

Well  I think i might be too late but i found another simple version of Saqib s answer  I m using Autolayout with constraints  I have a small view inside of another main view with username and password fields  Instead of changing the y coordinate of the view i m saving the original constraint value in a variable and changing the constraint s constant to some value and again after the keyboard dismisses  i m setting up the constraint to original one  This way it avoids the problem Saqib s answer has   The view keeps on moving up and does not stop   Below is my code      override func viewDidLoad         super viewDidLoad       NSNotificationCenter defaultCenter   addObserver self  selector  Selector  keyboardWillShow     name UIKeyboardWillShowNotification  object  nil       NSNotificationCenter defaultCenter   addObserver self  selector  Selector  keyboardWillHide     name UIKeyboardWillHideNotification  object  nil       self originalConstraint   self centerYConstraint constant        func keyboardWillShow sender  NSNotification        self centerYConstraint constant    30        func keyboardWillHide sender  NSNotification        self centerYConstraint constant   self originalConstraint

User · Answer

This is an improved version of  JosephLord and  Hlung s answer   It can apply whether you have tabbar or not   And it would perfectly restore view that is moved by keyboard to original position         You have to set this up in storyboard first       It s a vertical spacing constraint between view and bottom of superview   IBOutlet weak var bottomSpacingConstraint  NSLayoutConstraint    override func viewDidLoad             super viewDidLoad                              Receive Get  Notification         NSNotificationCenter defaultCenter   addObserver self  selector   keyboardNotification    name  UIKeyboardWillShowNotification  object  nil          NSNotificationCenter defaultCenter   addObserver self  selector   keyboardNotification    name  UIKeyboardWillHideNotification  object  nil            self originalConstraint   self keyboardHeightLayoutConstraint  constant   for original coordinate     func keyboardNotification notification  NSNotification            let isShowing   notification name    UIKeyboardWillShowNotification          var tabbarHeight  CGFloat   0         if self tabBarController     nil               tabbarHeight   self tabBarController  tabBar frame height                   if let userInfo   notification userInfo               let endFrame    userInfo UIKeyboardFrameEndUserInfoKey  as  NSValue   CGRectValue               let duration NSTimeInterval    userInfo UIKeyboardAnimationDurationUserInfoKey  as  NSNumber   doubleValue    0             let animationCurveRawNSN   userInfo UIKeyboardAnimationCurveUserInfoKey  as  NSNumber             let animationCurveRaw   animationCurveRawNSN  unsignedLongValue    UIViewAnimationOptions CurveEaseInOut rawValue             let animationCurve UIViewAnimationOptions   UIViewAnimationOptions rawValue  animationCurveRaw              self keyboardHeightLayoutConstraint  constant   isShowing    endFrame  size height - tabbarHeight    self originalConstraint              UIView animateWithDuration duration                  delay  NSTimeInterval 0                   options  animationCurve                  animations    self view layoutIfNeeded                      completion  nil

User · Answer

You can use this library and just one line of code in appDidFinishedLaunching and u are done..

func application(application: UIApplication,didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {

    IQKeyboardManager.sharedManager().enable = true
    return true
}

IQKeyboardManager - adjust view whenever keyboard appear link - https://github.com/hackiftekhar/IQKeyboardManager

User · Answer

In Swift 4 0 -    func textFieldDidBeginEditing   textField  UITextField            animateViewMoving up  true  moveValue  100             func textFieldDidEndEditing   textField  UITextField            animateViewMoving up  false  moveValue  100            func animateViewMoving  up Bool  moveValue  CGFloat           let movementDuration TimeInterval   0 3         let movement CGFloat     up   -moveValue   moveValue          UIView beginAnimations   animateView   context  nil          UIView setAnimationBeginsFromCurrentState true          UIView setAnimationDuration movementDuration            self view frame   self view frame offsetBy dx  0  dy  movement          UIView commitAnimations

User · Answer

Complete code for managing keyboard            override func viewWillAppear   animated  Bool                NotificationCenter default addObserver self  selector   selector StoryMediaVC keyboardWillShow   name  UIResponder keyboardWillShowNotification  object  nil              NotificationCenter default addObserver self  selector   selector StoryMediaVC keyboardWillHide   name  UIResponder keyboardWillHideNotification  object  nil                    override func viewWillDisappear   animated  Bool                NotificationCenter default removeObserver self  name  UIResponder keyboardWillShowNotification  object  nil              NotificationCenter default removeObserver self  name  UIResponder keyboardWillHideNotification  object  nil                     objc func keyboardWillShow notification  NSNotification                guard let userInfo   notification userInfo else  return              guard let keyboardSize   userInfo UIResponder keyboardFrameEndUserInfoKey  as  NSValue else  return              let keyboardFrame   keyboardSize cgRectValue              if self view bounds origin y    0                  self view bounds origin y    keyboardFrame height                                    objc func keyboardWillHide notification  NSNotification                if self view bounds origin y    0                   self view bounds origin y   0

User · Answer

override func viewDidLoad         super viewDidLoad          Do any additional setup after loading the view  typically from a nib       NotificationCenter default addObserver self  selector   selector ViewController keyboardWillShow   name  NSNotification Name UIKeyboardWillShow  object  nil      NotificationCenter default addObserver self  selector   selector ViewController keyboardWillHide   name  NSNotification Name UIKeyboardWillHide  object  nil     func keyboardWillShow   notification Notification        if let keyboardSize    notification userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   cgRectValue           tableView contentInset   UIEdgeInsetsMake 0  0  keyboardSize height  0           func keyboardWillHide   notification Notification        if let keyboardSize    notification userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   cgRectValue           tableView contentInset   UIEdgeInsetsMake 0  0  0  0

User · Answer

For moving your view while editing textfield try this , I have applied this ,

Option 1 :- ** **Update in Swift 5.0 and iPhone X , XR , XS and XS Max Move using NotificationCenter

Register this Notification in func viewWillAppear(_ animated: Bool)
Deregister this Notification in func viewWillDisappear(_ animated: Bool)

Note:- If you will not deregister than it will call from child class and will reason of crashing or else.

override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    NotificationCenter.default.addObserver( self, selector: #selector(keyboardWillShow(notification:)), name:  UIResponder.keyboardWillShowNotification, object: nil )
}
override func viewWillDisappear(_ animated: Bool) {
    super.viewWillDisappear(animated)
    NotificationCenter.default.removeObserver(self, name: UIResponder.keyboardWillShowNotification, object: nil)
}

@objc func keyboardWillShow( notification: Notification) {
    if let keyboardFrame: NSValue = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue {
        var newHeight: CGFloat
        let duration:TimeInterval = (notification.userInfo![UIResponder.keyboardAnimationDurationUserInfoKey] as? NSNumber)?.doubleValue ?? 0
        let animationCurveRawNSN = notification.userInfo![UIResponder.keyboardAnimationCurveUserInfoKey] as? NSNumber
        let animationCurveRaw = animationCurveRawNSN?.uintValue ?? UIView.AnimationOptions.curveEaseInOut.rawValue
        let animationCurve:UIView.AnimationOptions = UIView.AnimationOptions(rawValue: animationCurveRaw)
        if #available(iOS 11.0, *) {
            newHeight = keyboardFrame.cgRectValue.height - self.view.safeAreaInsets.bottom
        } else {
            newHeight = keyboardFrame.cgRectValue.height
        }
        let keyboardHeight = newHeight  + 10 // **10 is bottom margin of View**  and **this newHeight will be keyboard height**
        UIView.animate(withDuration: duration,
                       delay: TimeInterval(0),
                       options: animationCurve,
                       animations: {
                        self.view.textViewBottomConstraint.constant = keyboardHeight **//Here you can manage your view constraints for animated show**
                        self.view.layoutIfNeeded() },
                       completion: nil)
    }
}

Option 2 :- Its work fine

func textFieldDidBeginEditing(textField: UITextField) {
        self.animateViewMoving(up: true, moveValue: 100)
}
func textFieldDidEndEditing(textField: UITextField) {
        self.animateViewMoving(up: false, moveValue: 100)
}

func animateViewMoving (up:Bool, moveValue :CGFloat){
    var movementDuration:NSTimeInterval = 0.3
    var movement:CGFloat = ( up ? -moveValue : moveValue)
    UIView.beginAnimations( "animateView", context: nil)
    UIView.setAnimationBeginsFromCurrentState(true)
    UIView.setAnimationDuration(movementDuration )
    self.view.frame = CGRectOffset(self.view.frame, 0,  movement)
    UIView.commitAnimations()
}

I got this answer from this source UITextField move up when keyboard appears in Swift

IN the Swift 4 ---

func textFieldDidBeginEditing(_ textField: UITextField) {
        animateViewMoving(up: true, moveValue: 100)
    }

    func textFieldDidEndEditing(_ textField: UITextField) {
        animateViewMoving(up: false, moveValue: 100)
    }
    func animateViewMoving (up:Bool, moveValue :CGFloat){
        let movementDuration:TimeInterval = 0.3
        let movement:CGFloat = ( up ? -moveValue : moveValue)
        UIView.beginAnimations( "animateView", context: nil)
        UIView.setAnimationBeginsFromCurrentState(true)
        UIView.setAnimationDuration(movementDuration ) 
        self.view.frame = self.view.frame.offsetBy(dx: 0, dy: movement)
        UIView.commitAnimations()
    }

User · Answer

Very Simple and no need to code more  Just add pod  IQKeyboardManagerSwift  in your podfile  and in your AppDelegate page add code below   import IQKeyboardManagerSwift   and in method didFinishLaunchingWithOptions   type  IQKeyboardManager shared enable   true   that is it  check this video link for better understanding https   youtu be eOM94K1ZWN8 Hope this will help you

User · Answer

None of them worked for and I ended up using content insets to move my view up when the keyboard appears.

Note: I was using a UITableView

Referenced solution @ keyboard-content-offset which was entirely written in objective C, the below solution is clean Swift.

Add the notification observer @ viewDidLoad()

NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(yourClass.keyboardWillBeShown), name:UIKeyboardWillShowNotification, object: nil);
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(yourClass.keyboardWillBeHidden), name:UIKeyboardWillHideNotification, object: nil);

To get the keyboard size, we first get the userInfo dictionary from the notification object, which stores any additional objects that our receiver might use.

From that dictionary we can get the CGRect object describing the keyboard’s frame by using the key UIKeyboardFrameBeginUserInfoKey.

Apply the content inset for the table view @ keyboardWillBeShown method,

func keyboardWillBeShown(sender: NSNotification)
{        
    // Move the table view

    if let keyboardSize = (sender.userInfo?[UIKeyboardFrameEndUserInfoKey] as? NSValue)?.CGRectValue()
    {
        let contentInsets = UIEdgeInsetsMake(0.0, 0.0, (keyboardSize.height), 0.0);

        yourTableView.contentInset = contentInsets;

        yourTableView.scrollIndicatorInsets = contentInsets;
    }
}

Restore the view @ keyboardWillBeHidden method

func keyboardWillBeHidden(sender: NSNotification)
{
    // Moving back the table view back to the default position

    yourTableView.contentInset = UIEdgeInsetsZero;

    yourTableView.scrollIndicatorInsets = UIEdgeInsetsZero;
}

If you want to keep the device orientation also into consideration, use conditional statements to tailor the code to your needs.

// Portrait
UIEdgeInsetsMake(0.0, 0.0, (keyboardSize.height), 0.0);

// Landscape
UIEdgeInsetsMake(0.0, 0.0, (keyboardSize.width), 0.0);

User · Answer

Another solution that doesn t depend on autolayout  constraints or any outlets  What you do need is your field s  in a scrollview   override func viewDidLoad         super viewDidLoad        NSNotificationCenter defaultCenter   addObserver self  selector   makeSpaceForKeyboard    name  UIKeyboardWillShowNotification  object  nil      NSNotificationCenter defaultCenter   addObserver self  selector   makeSpaceForKeyboard    name  UIKeyboardWillHideNotification  object  nil     func makeSpaceForKeyboard notification  NSNotification        let info   notification userInfo      let keyboardHeight CGFloat    info UIKeyboardFrameEndUserInfoKey  as  NSValue  CGRectValue   size height     let duration Double   info UIKeyboardAnimationDurationUserInfoKey  as  Double      if notification name    UIKeyboardWillShowNotification           UIView animateWithDuration duration  animations       - gt  Void in             var frame   self view frame             frame size height   frame size height - keyboardHeight             self view frame   frame                  else           UIView animateWithDuration duration  animations       - gt  Void in             var frame   self view frame             frame size height   frame size height   keyboardHeight             self view frame   frame

User · Answer

struct MoveKeyboard       static let KEYBOARD ANIMATION DURATION   CGFloat   0 3     static let MINIMUM SCROLL FRACTION   CGFloat   0 2      static let MAXIMUM SCROLL FRACTION   CGFloat   0 8      static let PORTRAIT KEYBOARD HEIGHT   CGFloat   216      static let LANDSCAPE KEYBOARD HEIGHT   CGFloat   162        func textFieldDidBeginEditing textField  UITextField        let textFieldRect   CGRect   self view window  convertRect textField bounds  fromView  textField      let viewRect   CGRect   self view window  convertRect self view bounds  fromView  self view       let midline   CGFloat   textFieldRect origin y   0 5   textFieldRect size height     let numerator   CGFloat   midline - viewRect origin y - MoveKeyboard MINIMUM SCROLL FRACTION   viewRect size height     let denominator   CGFloat    MoveKeyboard MAXIMUM SCROLL FRACTION - MoveKeyboard MINIMUM SCROLL FRACTION    viewRect size height     var heightFraction   CGFloat   numerator   denominator      if heightFraction  lt  0 0           heightFraction   0 0       else if heightFraction  gt  1 0           heightFraction   1 0            let orientation   UIInterfaceOrientation   UIApplication sharedApplication   statusBarOrientation     if  orientation    UIInterfaceOrientation Portrait    orientation    UIInterfaceOrientation PortraitUpsideDown            animateDistance   floor MoveKeyboard PORTRAIT KEYBOARD HEIGHT   heightFraction        else           animateDistance   floor MoveKeyboard LANDSCAPE KEYBOARD HEIGHT   heightFraction             var viewFrame   CGRect   self view frame     viewFrame origin y -  animateDistance      UIView beginAnimations nil  context  nil      UIView setAnimationBeginsFromCurrentState true      UIView setAnimationDuration NSTimeInterval MoveKeyboard KEYBOARD ANIMATION DURATION        self view frame   viewFrame      UIView commitAnimations       func textFieldDidEndEditing textField  UITextField        var viewFrame   CGRect   self view frame     viewFrame origin y    animateDistance      UIView beginAnimations nil  context  nil      UIView setAnimationBeginsFromCurrentState true       UIView setAnimationDuration NSTimeInterval MoveKeyboard KEYBOARD ANIMATION DURATION        self view frame   viewFrame      UIView commitAnimations        And Lastly since we are using delegates methods  func textFieldShouldReturn textField  UITextField  - gt  Bool           textField resignFirstResponder           return true         refactored from using objective-c http   www cocoawithlove com 2008 10 sliding-uitextfields-around-to-avoid html

User · Answer

I have done in following manner     class SignInController  UIViewController   UITextFieldDelegate     IBOutlet weak var scrollView  UIScrollView      outlet declartion  IBOutlet weak var signInTextView  UITextField   var kbHeight  CGFloat            method viewDidLoad       override func viewDidLoad         super viewDidLoad        self signInTextView delegate   self      end viewDidLoad           method viewWillAppear       override func viewWillAppear animated  Bool        super viewWillAppear animated       NSNotificationCenter defaultCenter   addObserver self  selector  Selector  keyboardWillShow     name  UIKeyboardWillShowNotification  object  nil       NSNotificationCenter defaultCenter   addObserver self  selector  Selector  keyboardWillHide     name  UIKeyboardWillHideNotification  object  nil       end viewWillAppear           method viewDidAppear       override func viewDidAppear animated  Bool        super viewDidAppear animated        end viewDidAppear           method viewWillDisappear      override func viewWillDisappear animated  Bool        super viewWillDisappear animated      NSNotificationCenter defaultCenter   removeObserver self              method textFieldShouldReturn   retun the keyboard value          MARK - func textFieldShouldReturn textField  UITextField  - gt  Bool       signInTextView resignFirstResponder       return true       end textFieldShouldReturn     MARK - keyboardWillShow func keyboardWillShow notification  NSNotification        if let userInfo   notification userInfo           if let keyboardSize     userInfo UIKeyboardFrameBeginUserInfoKey  as  NSValue   CGRectValue                 kbHeight   keyboardSize height             self animateTextField true                      end keyboardWillShow     MARK - keyboardWillHide func keyboardWillHide notification  NSNotification        self animateTextField false      end keyboardWillHide     MARK - animateTextField func animateTextField up  Bool        var movement    up   -kbHeight   kbHeight       UIView animateWithDuration 0 3  animations            self view frame   CGRectOffset self view frame  0  movement             end animateTextField           method didReceiveMemoryWarning       override func didReceiveMemoryWarning         super didReceiveMemoryWarning          Dispose of any resources that can be recreated       end didReceiveMemoryWarning       end SignInController

User · Answer

If you re like me  using Autolayout and not getting the keyboard when running the App on a simulator  This might be because Apple make you use the keyboard of you re computer as first Keyboard   To make the keyboard from the device appear     shift   cmd   K  Sounds stupid but I would have loved to find this answer 3 hours ago

User · Answer

A simple solution is to move view up with constant of keyboard height.

override func viewDidLoad() {
   super.viewDidLoad()        
   NSNotificationCenter.defaultCenter().addObserver(self, selector: Selector("keyboardWillShow:"), name:UIKeyboardWillShowNotification, object: nil);
   NSNotificationCenter.defaultCenter().addObserver(self, selector: Selector("keyboardWillHide:"), name:UIKeyboardWillHideNotification, object: nil);
}

@objc func keyboardWillShow(sender: NSNotification) {
     self.view.frame.origin.y = -150 // Move view 150 points upward 
}

@objc func keyboardWillHide(sender: NSNotification) {
     self.view.frame.origin.y = 0 // Move view to original position  
}

Swift 5:

NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(sender:)), name: UIResponder.keyboardWillShowNotification, object: nil);

NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(sender:)), name: UIResponder.keyboardWillHideNotification, object: nil);

User · Answer

Edit  I recommend an easier and cleaner solution  Just change the class of bottom spacing constraint to KeyboardLayoutConstraint  It will automatically expand to the keyboard height     This is an improved version of  JosephLord  s answer    As tested on iOS 8 3 iPad Simulator  Portrait  Xcode6 3 beta4  I found his answer doesn t work when keyboard is hiding because UIKeyboardFrameEndUserInfoKey is  NSRect    0  1024    768  264      The height is never 0   This goes back to use the traditional UIKeyboardWillShowNotification and UIKeyboardWillHideNotification to better tell when keyboard is hiding rather than relying on the end frame s height  UIKeyboardWillShowNotification is also sent when keyboard frame is changed so it should cover all use cases          You have to set this up in storyboard first           It s a vertical spacing constraint between view and bottom of superview       IBOutlet weak var bottomSpacingConstraint  NSLayoutConstraint        override func viewDidLoad             super viewDidLoad            NSNotificationCenter defaultCenter   addObserver self  selector  Selector  keyboardNotification     name UIKeyboardWillShowNotification  object  nil           NSNotificationCenter defaultCenter   addObserver self  selector  Selector  keyboardNotification     name UIKeyboardWillHideNotification  object  nil              deinit           NSNotificationCenter defaultCenter   removeObserver self             func keyboardNotification notification  NSNotification             let isShowing   notification name    UIKeyboardWillShowNotification          if let userInfo   notification userInfo               let endFrame    userInfo UIKeyboardFrameEndUserInfoKey  as  NSValue   CGRectValue               let endFrameHeight   endFrame  size height    0 0             let duration NSTimeInterval    userInfo UIKeyboardAnimationDurationUserInfoKey  as  NSNumber   doubleValue    0             let animationCurveRawNSN   userInfo UIKeyboardAnimationCurveUserInfoKey  as  NSNumber             let animationCurveRaw   animationCurveRawNSN  unsignedLongValue    UIViewAnimationOptions CurveEaseInOut rawValue             let animationCurve UIViewAnimationOptions   UIViewAnimationOptions rawValue  animationCurveRaw              self bottomSpacingConstraint  constant   isShowing   endFrameHeight   0 0             UIView animateWithDuration duration                  delay  NSTimeInterval 0                   options  animationCurve                  animations    self view layoutIfNeeded                      completion  nil

User · Answer

func registerForKeyboardNotifications              Keyboard         NSNotificationCenter defaultCenter   addObserver self  selector   selector keyboardWasShown   name  UIKeyboardDidShowNotification  object  nil          NSNotificationCenter defaultCenter   addObserver self  selector   selector keyboardWillBeHidden   name  UIKeyboardDidHideNotification  object  nil              func deregisterFromKeyboardNotifications             NSNotificationCenter defaultCenter   removeObserver self  name  UIKeyboardWillShowNotification  object  nil          NSNotificationCenter defaultCenter   removeObserver self  name  UIKeyboardWillHideNotification  object  nil             func keyboardWasShown notification  NSNotification            let userInfo  NSDictionary   notification userInfo          let keyboardInfoFrame   userInfo objectForKey UIKeyboardFrameEndUserInfoKey   CGRectValue            let windowFrame CGRect    UIApplication sharedApplication   keyWindow  convertRect self view frame  fromView self view            let keyboardFrame   CGRectIntersection windowFrame  keyboardInfoFrame            let coveredFrame   UIApplication sharedApplication   keyWindow  convertRect keyboardFrame  toView self view           let contentInsets   UIEdgeInsetsMake 0  0   coveredFrame size height   0 0          self scrollViewInAddCase  contentInset   contentInsets          self scrollViewInAddCase scrollIndicatorInsets   contentInsets          self scrollViewInAddCase contentSize   CGSizeMake  self scrollViewInAddCase contentSize width    self scrollViewInAddCase contentSize height                       this method will fire when keyboard was hidden       - parameter notification  contains keyboard details             func keyboardWillBeHidden  notification  NSNotification             self scrollViewInAddCase contentInset   UIEdgeInsetsZero         self scrollViewInAddCase scrollIndicatorInsets   UIEdgeInsetsZero

User · Answer

A Swift 5 solution for fr  d  ric-adda    protocol KeyboardHandler  class       var bottomConstraint  NSLayoutConstraint    get set            func keyboardWillShow   notification  Notification      func keyboardWillHide   notification  Notification      func startObservingKeyboardChanges       func stopObservingKeyboardChanges       extension KeyboardHandler where Self  UIViewController        func startObservingKeyboardChanges                 NotificationCenter observers         NotificationCenter default addObserver forName  UIResponder keyboardWillShowNotification  object  nil  queue  nil     weak self  notification in           self  keyboardWillShow notification                        Deal with rotations         NotificationCenter default addObserver forName  UIResponder keyboardWillChangeFrameNotification  object  nil  queue  nil     weak self  notification in           self  keyboardWillShow notification                        Deal with keyboard change  emoji  numerical  etc           NotificationCenter default addObserver forName  UITextInputMode currentInputModeDidChangeNotification  object  nil  queue  nil     weak self  notification in           self  keyboardWillShow notification                     NotificationCenter default addObserver forName  UIResponder keyboardWillHideNotification  object  nil  queue  nil     weak self  notification in           self  keyboardWillHide notification                        func keyboardWillShow   notification  Notification           let verticalPadding  CGFloat   20    Padding between the bottom of the view and the top of the keyboard          guard let value   notification userInfo  UIResponder keyboardFrameEndUserInfoKey  as  NSValue else   return         let keyboardHeight   value cgRectValue height           Here you could have more complex rules  like checking if the textField currently selected is actually covered by the keyboard  but that s out of this scope        self bottomConstraint constant   keyboardHeight   verticalPadding        UIView animate withDuration  0 1  animations       - gt  Void in           self view layoutIfNeeded                    func keyboardWillHide   notification  Notification          self bottomConstraint constant   0        UIView animate withDuration  0 1  animations       - gt  Void in           self view layoutIfNeeded                    func stopObservingKeyboardChanges           NotificationCenter default removeObserver self         In any UIViewController   Conform to KeyboardHandler protocol  extension AnyViewController  KeyboardHandler       Add bottom constraint for the last-bottom element on the screen    IBOutlet var bottomConstraint  NSLayoutConstraint     Add Observer subscribe unsubscribe    override func viewWillAppear   animated  Bool            super viewWillAppear animated          startObservingKeyboardChanges            override func viewWillDisappear   animated  Bool            super viewWillDisappear animated          stopObservingKeyboardChanges       Enjoy

User · Answer

If you are like me who has tried all the above solutions and still your problem is not solved  I have a got a great solution for you that works like a charm  First I want clarify few things about some of solutions mentioned above    In my case IQkeyboardmanager was working only when there is no auto layout applied on the elements  if it is applied then IQkeyboard manager will not work the way we think  Same thing with upward movement of self view  i have wriiten a objective c header with a swift support for pushing UITexfield upward when user clicks on it  solving the problem of keyboard covering the UITextfield   https   github com coolvasanth smart keyboard  One who has An intermediate or higher level in iOS app development can easily understand the repository and implement it  All the best

User · Answer

i am working with swift 4 and i am solved this issue without use any extra bottom constraint look my code is here its really working on my case  1  Add Notification Observer in did load    override func viewDidLoad             super viewDidLoad           setupManager              Do any additional setup after loading the view          NotificationCenter default addObserver self  selector   selector self keyboardWillShow   name  NSNotification Name UIKeyboardWillShow  object  nil          NotificationCenter default addObserver self  selector   selector self keyboardWillHide   name  NSNotification Name UIKeyboardWillHide  object  nil           2  Remove Notification Observer like   deinit           NotificationCenter default removeObserver self           3  Add keyboard show  hide methods like    objc func keyboardWillShow notification  NSNotification                if let keyboardSize    notification userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   cgRectValue                   UIView animate withDuration  0 1  animations       - gt  Void in                     self view frame origin y -  keyboardSize height                     self view layoutIfNeeded                                                objc func keyboardWillHide notification  NSNotification            if let keyboardSize    notification userInfo  UIKeyboardFrameBeginUserInfoKey  as  NSValue   cgRectValue               UIView animate withDuration  0 1  animations       - gt  Void in                 self view frame origin y    keyboardSize height                 self view layoutIfNeeded                                    4  Add textfeild delegate and add touchesBegan methods  usefull for hide the keyboard when touch outside the textfeild on screen  override func touchesBegan   touches  Set lt UITouch gt   with event  UIEvent             view endEditing true

User · Answer

I love clean Swift code  So here s the tightest code I could come up with to move a text view up down with the keyboard  It s currently working in an iOS8 9 Swift 2 production app   UPDATE  March 2016   I just tightened up my previous code as much as possible  Also  there are a bunch of popular answers here that hardcode the keyboard height and animation parameters  There s no need for that  not to mention that the numbers in these answers don t always line up with the actual values I m seeing on my 6s  iOS9  keyboard height of 226  duration of 0 25  and animation curve of 7   In any case  it s almost no extra code to get those values straight from the system  See below   override func viewDidLoad         super viewDidLoad        NSNotificationCenter defaultCenter   addObserver self  selector   animateWithKeyboard    name  UIKeyboardWillShowNotification  object  nil      NSNotificationCenter defaultCenter   addObserver self  selector   animateWithKeyboard    name  UIKeyboardWillHideNotification  object  nil     func animateWithKeyboard notification  NSNotification            Based on both Apple s docs and personal experience          I assume userInfo and its documented keys are available         If you d like  you can remove the forced unwrapping and add your own default values       let userInfo   notification userInfo      let keyboardHeight    userInfo UIKeyboardFrameEndUserInfoKey  as  NSValue  CGRectValue   height     let duration   userInfo UIKeyboardAnimationDurationUserInfoKey  as  Double     let curve   userInfo UIKeyboardAnimationCurveUserInfoKey  as  UInt     let moveUp    notification name    UIKeyboardWillShowNotification          baseContraint is your Auto Layout constraint that pins the        text view to the bottom of the superview       baseConstraint constant   moveUp   -keyboardHeight   0      let options   UIViewAnimationOptions rawValue  curve  lt  lt  16      UIView animateWithDuration duration  delay  0  options  options          animations                self view layoutIfNeeded                      completion  nil            NOTE  This code covers the most comment general case  However  more code may be needed to handle different orientations and or custom keyboards Here s an in-depth article on working with the iOS keyboard  If you need to handle every scenario  this may help

User · Answer

For anyone not using storyboards to set the layout constraint. This is a pure programmatic way to get it working on Swift 5:

Define an empty constraint in your viewController. In this case, I am building a chat app that has a UIView containing text view at the very bottom of the screen.

var discussionsMessageBoxBottomAnchor: NSLayoutConstraint = NSLayoutConstraint()

In viewDidLoad add the constraints for the bottom-most view. In this case discussionsMessageBox. Also, add the listener for keyboard events.

For correctly initializing the constraint, you need to first add the subview and then define the constraint.

NotificationCenter.default.addObserver(self,
                                       selector: #selector(self.keyboardNotification(notification:)),
                                       name: NSNotification.Name.UIKeyboardWillChangeFrame,
                                       object: nil)

view.addSubview(discussionsMessageBox)

if #available(iOS 11.0, *) {
    discussionsMessageBoxBottomAnchor = discussionsMessageBox.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor, constant: 0)
} else {
    // Fallback on earlier versions
    discussionsMessageBoxBottomAnchor = discussionsMessageBox.bottomAnchor.constraint(equalTo: view.bottomAnchor, constant: 0)
}

NSLayoutConstraint.activate([ discussionsMessageBoxBottomAnchor ])

Define deinit.

deinit {
        NotificationCenter.default.removeObserver(self)
    }

Next add the code that @JosephLord defined, with one correction to fix offset math.

extension DiscussionsViewController {
    @objc func keyboardNotification(notification: NSNotification) {
        guard let userInfo = notification.userInfo else { return }
        
        let endFrame = (userInfo[UIKeyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue
        let endFrameY = endFrame?.origin.y ?? 0
        let duration:TimeInterval = (userInfo[UIKeyboardAnimationDurationUserInfoKey] as? NSNumber)?.doubleValue ?? 0
        let animationCurveRawNSN = userInfo[UIKeyboardAnimationCurveUserInfoKey] as? NSNumber
        let animationCurveRaw = animationCurveRawNSN?.uintValue ?? UIView.AnimationOptions.curveEaseInOut.rawValue
        let animationCurve:UIView.AnimationOptions = UIView.AnimationOptions(rawValue: animationCurveRaw)
        
        if endFrameY >= UIScreen.main.bounds.size.height {
            self.discussionsMessageBoxBottomAnchor.constant = 0.0
        } else {
            //Changed line
            self.discussionsMessageBoxBottomAnchor.constant = -1 * (endFrame?.size.height ?? 0.0)
        }
        
        UIView.animate(
            withDuration: duration,
            delay: TimeInterval(0),
            options: animationCurve,
            animations: { self.view.layoutIfNeeded() },
            completion: nil)
    }
}

User · Answer

There are a couple of improvements to be made on the existing answers  Firstly the UIKeyboardWillChangeFrameNotification is probably the best notification as it handles changes that aren t just show hide but changes due to keyboard changes  language  using 3rd party keyboards etc   and rotations too  but note comment below indicating the keyboard will hide should also be handled to support hardware keyboard connection   Secondly the animation parameters can be pulled from the notification to ensure that animations are properly together  There are probably options to clean up this code a bit more especially if you are comfortable with force unwrapping the dictionary code   class MyViewController  UIViewController          This constraint ties an element at zero points from the bottom layout guide     IBOutlet var keyboardHeightLayoutConstraint  NSLayoutConstraint       override func viewDidLoad          super viewDidLoad        NotificationCenter default addObserver self         selector   selector self keyboardNotification notification            name  UIResponder keyboardWillChangeFrameNotification         object  nil            deinit        NotificationCenter default removeObserver self             objc func keyboardNotification notification  NSNotification         guard let userInfo   notification userInfo else   return         let endFrame    userInfo UIResponder keyboardFrameEndUserInfoKey  as  NSValue   cgRectValue      let endFrameY   endFrame  origin y    0      let duration TimeInterval    userInfo UIResponder keyboardAnimationDurationUserInfoKey  as  NSNumber   doubleValue    0      let animationCurveRawNSN   userInfo UIResponder keyboardAnimationCurveUserInfoKey  as  NSNumber      let animationCurveRaw   animationCurveRawNSN  uintValue    UIView AnimationOptions curveEaseInOut rawValue      let animationCurve UIView AnimationOptions   UIView AnimationOptions rawValue  animationCurveRaw        if endFrameY  gt   UIScreen main bounds size height          self keyboardHeightLayoutConstraint  constant   0 0        else          self keyboardHeightLayoutConstraint  constant   endFrame  size height    0 0              UIView animate         withDuration  duration         delay  TimeInterval 0          options  animationCurve         animations    self view layoutIfNeeded             completion  nil

User · Answer

I modified  Simpa solution a little bit           override func viewDidLoad           super viewDidLoad       NSNotificationCenter defaultCenter   addObserver self  selector  Selector  makeSpaceForKeyboard     name UIKeyboardWillShowNotification  object  nil       NSNotificationCenter defaultCenter   addObserver self  selector  Selector  makeSpaceForKeyboard     name UIKeyboardWillHideNotification  object  nil      deinit      NSNotificationCenter defaultCenter   removeObserver self     var keyboardIsVisible   false override func makeSpaceForKeyboard notification  NSNotification         let info   notification userInfo      let keyboardHeight CGFloat    info UIKeyboardFrameEndUserInfoKey  as  NSValue  CGRectValue   size height     let duration Double   info UIKeyboardAnimationDurationUserInfoKey  as  Double      if notification name    UIKeyboardWillShowNotification  amp  amp  keyboardIsVisible    false           keyboardIsVisible   true          UIView animateWithDuration duration  animations       - gt  Void in             var frame   self view frame             frame size height   frame size height - keyboardHeight             self view frame   frame                   else if keyboardIsVisible    true  amp  amp  notification name    UIKeyboardWillShowNotification        else           keyboardIsVisible   false          UIView animateWithDuration duration  animations       - gt  Void in             var frame   self view frame             frame size height   frame size height   keyboardHeight             self view frame   frame

User · Answer

Here is my version for a solution for Swift 2.2:

First register for Keyboard Show/Hide Notifications

NSNotificationCenter.defaultCenter().addObserver(self,
                                                 selector: #selector(MessageThreadVC.keyboardWillShow(_:)),
                                                 name: UIKeyboardWillShowNotification,
                                                 object: nil)
NSNotificationCenter.defaultCenter().addObserver(self,
                                                 selector: #selector(MessageThreadVC.keyboardWillHide(_:)),
                                                 name: UIKeyboardWillHideNotification,
                                                 object: nil)

Then in methods coresponding for those notifications move the main view up or down

func keyboardWillShow(sender: NSNotification) {
if let keyboardSize = (sender.userInfo?[UIKeyboardFrameEndUserInfoKey] as? NSValue)?.CGRectValue() {
  self.view.frame.origin.y = -keyboardSize.height
  }
}

func keyboardWillHide(sender: NSNotification) {
self.view.frame.origin.y = 0
}

The trick is in the "keyboardWillShow" part which get calls every time "QuickType Suggestion Bar" is expanded or collapsed. Then we always set the y coordinate of the main view which equals the negative value of total keyboard height (with or without the "QuickType bar" portion).

At the end do not forget to remove observers

deinit {
NSNotificationCenter.defaultCenter().removeObserver(self)
}

[ios] Move textfield when keyboard appears swift

The answer is

I have done by following manner:

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