How to add a button to UINavigationBar

Question

How to add a button to UINavigationBar programmatically

User · Answer

The answers above are good  but I d like to flesh them out with a few more tips   If you want to modify the title of the back button  the arrow-y looking one at the left of the navigation bar  you MUST do it in the PREVIOUS view controller  not the one for which it will display   It s like saying  hey  if you ever push another view controller on top of this one  call the back button  Back   or whatever  instead of the default    If you want to hide the back button during a special state  such as while a UIPickerView is displayed  use self navigationItem hidesBackButton   YES  and remember to set it back when you leave the special state   If you want to display one of the special symbolic buttons  use the form initWithBarButtonSystemItem target action with a value like UIBarButtonSystemItemAdd  Remember  the meaning of that symbol is up to you  but be careful of the Human Interface Guidelines   Using UIBarButtonSystemItemAdd to mean deleting an item will probably get your application rejected

User · Answer

swift 3      let cancelBarButton   UIBarButtonItem title   Cancel   style   done  target  self  action   selector cancelPressed           cancelBarButton setTitleTextAttributes   NSFontAttributeName   UIFont cancelBarButtonFont                                                              NSForegroundColorAttributeName   UIColor white   for   normal      self navigationItem leftBarButtonItem   cancelBarButton       func cancelPressed   sender  UIBarButtonItem             self dismiss animated  true  completion  nil

User · Answer

In Swift 2  you would do    let rightButton  UIBarButtonItem   UIBarButtonItem title   Done   style  UIBarButtonItemStyle Done  target  nil  action  nil  self navigationItem rightBarButtonItem   rightButton    Not a major change  In Swift 4 5  it will be   let rightButton  UIBarButtonItem   UIBarButtonItem title   Done   style  UIBarButtonItem Style done  target  nil  action  nil  self navigationItem rightBarButtonItem   rightButton

User · Answer

Adding custom button to navigation bar   with image for buttonItem and specifying action method  void openView   and    UIButton  button    UIButton buttonWithType UIButtonTypeCustom   button frame   CGRectMake 0  0  32  32    button setImage  UIImage imageNamed   settings b png   forState UIControlStateNormal    button addTarget self action  selector openView  forControlEvents UIControlEventTouchUpInside    UIBarButtonItem  barButton   UIBarButtonItem alloc  init    barButton setCustomView button   self navigationItem rightBarButtonItem barButton    button release    barButton release

User · Answer

Why not use the following   from Draw custom Back button on iPhone Navigation Bar      Add left UINavigationItem  previousItem     UINavigationItem alloc  initWithTitle   Back title    UINavigationItem  currentItem     UINavigationItem alloc  initWithTitle   Main Title     self navigationController navigationBar setItems  NSArray arrayWithObjects previousItem  currentItem  nil  animated YES       set the delegate to self  self navigationController navigationBar setDelegate self

User · Answer

The example below will display a button with a title  Contact  on the navigation bar on the right  Its action calls a method named  contact  from the viewcontroller  Without this line the right button is not visible       self navigationItem rightBarButtonItem     UIBarButtonItem alloc  initWithTitle   Contact                                                                            style UIBarButtonItemStylePlain target self action  selector contact

User · Answer

Sample code to set the rightbutton on a NavigationBar   UIBarButtonItem  rightButton     UIBarButtonItem alloc  initWithTitle   Done       style UIBarButtonItemStyleDone target nil action nil   UINavigationItem  item     UINavigationItem alloc  initWithTitle   Title    item rightBarButtonItem   rightButton  item hidesBackButton   YES   bar pushNavigationItem item animated NO     But normally you would have a NavigationController  enabling you to write   UIBarButtonItem  rightButton     UIBarButtonItem alloc  initWithTitle   Done      style UIBarButtonItemStyleDone target nil action nil   self navigationItem rightBarButtonItem   rightButton

[ios] How to add a button to UINavigationBar?

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