Changing text of UIButton programmatically swift

Question

Simple question here  I have a UIButton  currencySelector  and I want to programmatically change the text  Here s what I have   currencySelector text    foobar    Xcode gives me the error  Expected Declaration   What am I doing wrong  and how can I make the button s text change

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Swift 3   Set button title     for normal state  my btn setTitle  Button Title   for   normal      For highlighted state  my btn setTitle  Button Title2   for   highlighted

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swift 4 2 and above  using button s IBOutlet  btnOutlet setTitle  New Title   for   normal    using button s IBAction   IBAction func btnAction   sender  UIButton      sender setTitle  New Title   for   normal

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In Swift 3  4  5   button setTitle  Button Title   for   normal    Otherwise   button setTitle  Button Title   forState  UIControlState Normal    Also an  IBOutlet has to declared for the button

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for normal state  btnSecurite setTitle  quot TextHear quot   for   normal

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Swift 3  When you make the  IBAction    IBAction func btnAction   sender  UIButton      sender setTitle  string goes here   for   normal      This sets the sender as UIButton  instead of Any  so it targets the btnAction as a UIButton

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Just a clarification for those new to Swift and iOS programming  Below line of code   button setTitle  myTitle   forState  UIControlState Normal    only applies to IBOutlets  not IBActions   So  if your app is using a button as a function to execute some code  say playing music  and you want to change the title from Play to Pause based on a toggle variable  you need to also create an IBOutlet for that button   If you try to use button setTitle against an IBAction you will get an error   Its obvious once you know it  but for the noobs  we all were  this is a helpful tip

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Swift 5       let controlStates  Array lt UIControl State gt      normal   highlighted   disabled   selected   focused   application   reserved      for controlState in controlStates           button setTitle NSLocalizedString  Title   comment       for  controlState

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Swift 5 0         Standard State myButton setTitle  Title   for   normal

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Swift 3  let button  UIButton   UIButton   button frame   CGRect init x  view frame width 2  y  view frame height 2  width  100  height  100  button setTitle    Title Button     for   normal

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To set a title for a button in Xcode using swift - 04  first create a method called setTitle with parameter title and UIController state like below    func setTitle   title   String   for state   UIControl State           and recall this method in your button action method like    yourButtonName setTitle  String   for   state

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Changing title when attributed is a bit different    I just ran into a problem   If you have an UIButton with an Attributed Title  you have to use    my btn setAttributedTitle NSAttributedString string  my title   for  my state    as  per Apple SetTitle Doc       If you set both a title and an attributed title for the button  the button prefers the use of the attributed title over this one    I had an attributed title and I tried to setTitle on it  with no effect

[ios] Changing text of UIButton programmatically swift

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