Create a button programmatically and set a background image

Question

When I try creating a button and setting a background image in Swift   let button     UIButton buttonWithType UIButtonType System  as UIButton     button frame   CGRectMake 100  100  100  100      button setImage IMAGE  forState  UIControlState Normal      button addTarget self  action   btnTouched    forControlEvents  UIControlEvents TouchUpInside       self view addSubview button    I always get an error   Cannot convert the expression s type  Void  to type  UIImage

User · Answer

You need check for image is not nil before assign it to button.

Example:

let button   = UIButton.buttonWithType(UIButtonType.System) as UIButton
button.frame = CGRectMake(100, 100, 100, 100)
if let image  = UIImage(named: "imagename.png") {
    button.setImage(image, forState: .Normal)
}

button.addTarget(self, action: "btnTouched:", forControlEvents:.TouchUpInside)
self.view.addSubview(button)

User · Answer

To set background we can no longer use forState  so we have to use for to set the UIControlState   let zoomInImage   UIImage named   Icon - plus   as UIImage  let zoomInButton   UIButton frame  CGRect x  10   y  10  width  45  height  45   zoomInButton setBackgroundImage zoomInImage  for  UIControlState normal  zoomInButton addTarget self  action   selector self mapZoomInAction   for   touchUpInside  self view addSubview zoomInButton

User · Answer

Update to Swift 3  let image   UIImage named   name   let button   UIButton type   custom  button frame   CGRect x  100  y  100  width  100  height  100  button setImage image  for   normal  button addTarget self  action   selector self btnAbsRetClicked       for  touchUpInside  self view addSubview button

User · Answer

SWIFT 3 Version of Alex Reynolds  Answer  let image   UIImage named   name   as UIImage  let button   UIButton type  UIButtonType custom  as UIButton button frame   CGRect x  100  y  100  width  100  height  100  button setImage image  for   normal  button addTarget self  action  Selector  btnTouched     for  touchUpInside          self view addSubview button

User · Answer

Create Button and add image as its background swift 4        let img   UIImage named   imgname        let myButton   UIButton type  UIButtonType custom       myButton frame   CGRect init x  10  y  10  width  100  height  45       myButton setImage img  for   normal       myButton addTarget self  action   selector self buttonClicked       for  UIControlEvents touchUpInside       self view addSubview myButton

User · Answer

Swift 5 version of accepted answer    let image   UIImage named   image name   let button   UIButton type  UIButton ButtonType custom  button frame   CGRect x  100  y  100  width  200  height  100  button setImage image  for   normal  button addTarget self  action   selector function   for   touchUpInside     button backgroundColor    lightGray self view addSubview button    where of course   objc func function           The image is aligned to center by default  You can change this by setting button s imageEdgeInsets  like this      In this case image is 40 wide and aligned to the left button imageEdgeInsets   UIEdgeInsets top  5  left  5  bottom  5  right  button frame width - 45

User · Answer

let btnRight UIButton buttonWithType UIButtonType Custom  as UIButton btnRight frame CGRectMake 0  0  35  35  btnRight setBackgroundImage UIImage named   menu png    forState  UIControlState Normal  btnRight setTitle  Right   forState  UIControlState Normal  btnRight tintColor UIColor blackColor

User · Answer

Try below   let image   UIImage named   ImageName png   as UIImage var button     UIButton buttonWithType UIButtonType System  as UIButton button frame   CGRectMake 100  100  100  100  button  setBackgroundImage image  forState  UIControlState Normal  button addTarget self  action   Action    forControlEvents UIControlEvents TouchUpInside  menuView addSubview button    Let me know whether if it works or not

User · Answer

Swift  Ui Button create programmatically  let myButton   UIButton    myButton titleLabel  frame   CGRectMake 15  54  300  500   myButton titleLabel  text    Button Label   myButton titleLabel  textColor   UIColor redColor    myButton titleLabel  textAlignment    Center  myButton addTarget self action  Action   forControlEvents UIControlEvent TouchUpInside   self view addSubview myButton

User · Answer

Your code should look like below  let image   UIImage named   name   as UIImage  let button     UIButton type  UIButtonType Custom  as UIButton button frame   CGRectMake 100  100  100  100  button setImage image  forState   Normal  button addTarget self  action   btnTouched    forControlEvents  TouchUpInside  self view addSubview button

User · Answer

This is how you can create a beautiful button with a bezel and rounded edges   loginButton   UIButton frame  CGRectMake self view bounds origin x    self view bounds width   0 325   self view bounds origin y    self view bounds height   0 8   self view bounds origin x    self view bounds width   0 35   self view bounds origin y    self view bounds height   0 05    loginButton layer cornerRadius   18 0 loginButton layer borderWidth   2 0 loginButton backgroundColor   UIColor whiteColor   loginButton layer borderColor   UIColor whiteColor   CGColor loginButton setTitle  Login   forState  UIControlState Normal  loginButton setTitleColor UIColor red  24 0 100  green  116 0 255  blue  205 0 205  alpha  1 0   forState  UIControlState Normal

[ios] Create a button programmatically and set a background image

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