Setting an image for a UIButton in code

Question

How do you set the image for a UIButton in code   I have this   UIButton  btnTwo    UIButton buttonWithType UIButtonTypeRoundedRect    btnTwo frame   CGRectMake 40  140  240  30    btnTwo setTitle   vc2 v1  forState UIControlStateNormal    btnTwo addTarget self action  selector goToOne  forControlEvents UIControlEventTouchUpInside    self view addSubview btnTwo     but don t see what will set the image for it

User · Answer

I was looking for a solution to add an UIImage to my UIButton  The problem was just it displays the image bigger than needed  Just helped me with this    imageViewBackground     UIImageView alloc  initWithFrame rectImageView    imageViewBackground image    UIImage imageNamed   gradientBackgroundPlain     self addSubview  imageViewBackground    self insertSubview  imageViewBackground belowSubview self label    imageViewBackground hidden   YES    Every time I want to display my UIImageView I just set the var hidden to YES or NO   There might be other solutions but I got confused so many times with this stuff and this solved it and I didn t need to deal with internal stuff UIButton is doing in background

User · Answer

Before this would work for me I had to resize the button frame explicitly based on the image frame size   UIImage  listImage    UIImage imageNamed   list icon png    UIButton  listButton    UIButton buttonWithType UIButtonTypeCustom       get the image size and apply it to the button frame CGRect listButtonFrame   listButton frame  listButtonFrame size   listImage size  listButton frame   listButtonFrame    listButton setImage listImage forState UIControlStateNormal    listButton addTarget self navigationController parentViewController                 action  selector revealToggle         forControlEvents UIControlEventTouchUpInside   UIBarButtonItem  jobsButton        UIBarButtonItem alloc  initWithCustomView listButton    self navigationItem leftBarButtonItem   jobsButton

User · Answer

Swift 3 version  butt img must be an Image Set into Assets xcassets or Images xcassets folder in Xcode    btnTwo setBackgroundImage UIImage named   butt img    for   normal  btnTwo setTitle  My title   for   normal    Anyway  if you want the image to be scaled to fill the button s size  you may add a UIImageView over it and assign it your image   let img   UIImageView   img frame   btnTwo frame img contentMode    scaleAspectFill img clipsToBounds   true img image   UIImage named   butt img   btnTwo addSubview img

User · Answer

UIButton  btn    UIButton buttonWithType UIButtonTypeCustom   btn frame   CGRectMake 0  0  150  44    btn setBackgroundImage  UIImage imageNamed   buttonimage png                   forState UIControlStateNormal    btn addTarget self       action  selector btnSendComment pressed         forControlEvents UIControlEventTouchUpInside    self view addSubview btn

User · Answer

Mike s solution will just show the image  but any title set on the button will not be visible  because you can either set the title or the image   If you want to set both  your image and title  use the following code   btnImage    UIImage imageNamed   image png     btnTwo setBackgroundImage btnImage forState UIControlStateNormal    btnTwo setTitle   Title  forState UIControlStateNormal

User · Answer

Don t worry so much framing the button from code  you can do that on the storyboard  This worked for me  one line   more simple    self button setBackgroundImage  UIImage imageNamed    yourPic png   forState UIControlStateNormal

User · Answer

In case of Swift User     case of normal image let image1   UIImage named   your image file name without extension    button1 setImage image1  forState  UIControlState Normal       in case you don t want image to change when  clicked   you can leave code below    case of when button is clicked let image2   UIImage named   image clicked    button1 setImage image2  forState  UIControlState Highlight

User · Answer

You can do it like this   btnTwo setImage  UIImage imageNamed   image png   forState UIControlStateNormal

User · Answer

Objective-C  UIImage  btnImage    UIImage imageNamed   image png     btnTwo setImage btnImage forState UIControlStateNormal     Swift 5 1  let btnImage   UIImage named   image   btnTwo setImage btnImage   for   normal

User · Answer

- void buttonTouched  id sender       UIButton  btn    UIButton   sender       if    btn imageForState UIControlStateNormal  isEqual  UIImage imageNamed   icon-Locked png                    btn setImage  UIImage imageNamed   icon-Unlocked png   forState UIControlStateNormal              other statements               else                btn setImage  UIImage imageNamed   icon-Locked png   forState UIControlStateNormal              other statements

User · Answer

You can put the image in either of the way   UIButton  btnTwo    UIButton buttonWithType UIButtonTypeRoundedRect    btnTwo frame   CGRectMake 40  140  240  30    btnTwo setTitle   vc2 v1  forState UIControlStateNormal    btnTwo addTarget self             action  selector goToOne    forControlEvents UIControlEventTouchUpInside      btnTwo setImage  UIImage imageNamed   name png   forState UIControlStateNormal      OR setting as background image   btnTwo setBackgroundImage  UIImage imageNamed   name png                      forState UIControlStateNormal     self view addSubview btnTwo

[ios] Setting an image for a UIButton in code

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