How to make a simple rounded button in Storyboard

Question

I just started learning iOS development  cannot find how to make simple rounded button  I find resources for old versions  Do I need to set a custom background for a button  In Android  I would just use a 9 patch  but I know iOS does not have this capability

User · Answer

Create a Cocoa Touch class       Insert the code in RoundButton class   import UIKit   IBDesignable class RoundButton  UIButton         IBInspectable var cornerRadius  CGFloat   0          didSet          self layer cornerRadius   cornerRadius                       IBInspectable var borderWidth  CGFloat   0          didSet              self layer borderWidth   borderWidth                       IBInspectable var borderColor  UIColor   UIColor clear          didSet              self layer borderColor   borderColor cgColor                    Refer the image

User · Answer

I found the easiest way to do this  is by setting the cornerRadius to half of the height of the view   button layer cornerRadius   button bounds size height 2

User · Answer

Short Answer  YES   You can absolutely make a simple rounded button without the need of an additional background image or writing any code for the same  Just follow the screenshot given below  to set the runtime attributes for the button  to get the desired result   It won t show in the Storyboard but it will work fine when you run the project     Note   The  Key Path  layer cornerRadius and value is 5  The value needs to be changed according to the height and width of the button  The formula for it is the height of button   0 50  So play around the value to see the expected rounded button in the simulator or on the physical device  This procedure will look tedious when you have more than one button to be rounded in the storyboard

User · Answer

As other answer have suggested to perform most of this work in code only one answer actually provided a way to view your changes in the storyboard IB Interface  My answer goes beyond that answer by allowing you to change the cornerRadius of the view  button  image  etc   Please take a look at the following code  To use this code create a new swift file called RoundedView or whatever you would like to call it then go to your storyboard and change the class to either  RoundedView    RoundedImageView  or  RoundedButton    import UIKit   IBDesignable class RoundedImage  UIImageView       override func layoutSubviews             super layoutSubviews            updateCornerRadius               IBInspectable var rounded  Bool   false           didSet               updateCornerRadius                         IBInspectable var cornerRadius  CGFloat   0 1           didSet               updateCornerRadius                        func updateCornerRadius             layer cornerRadius   rounded   cornerRadius   0         layer masksToBounds   rounded   true   false           IBDesignable class RoundedView  UIView       override func layoutSubviews             super layoutSubviews            updateCornerRadius               IBInspectable var rounded  Bool   false           didSet               updateCornerRadius                         IBInspectable var cornerRadius  CGFloat   0 1           didSet               updateCornerRadius                        func updateCornerRadius             layer cornerRadius   rounded   cornerRadius   0         layer masksToBounds   rounded   true   false           IBDesignable class RoundedButton  UIButton       override func layoutSubviews             super layoutSubviews            updateCornerRadius               IBInspectable var rounded  Bool   false           didSet               updateCornerRadius                         IBInspectable var cornerRadius  CGFloat   0 1           didSet               updateCornerRadius                        func updateCornerRadius             layer cornerRadius   rounded   cornerRadius   0         layer masksToBounds   rounded   true   false

User · Answer

You can connect IBOutlet of yur button from storyboard   Then you can set corner radius of your button to make it s corner round   for example  your outlet is myButton then   Obj - C   self myButton layer cornerRadius   5 0     Swift    myButton layer cornerRadius   5 0   If you want exact round button then your button s width and height must be equal and cornerRadius must be equal to height or width   2  half of the width or height

User · Answer

Try this     override func viewDidLoad        super viewDidLoad       var button   UIButton buttonWithType  Custom  as UIButton    button frame   CGRectMake 160  100  200 40      button layer cornerRadius  5 0    button layer borderColor   UIColor redColor   CGColor    button layer borderWidth   2 0     button setImage UIImage named  Placeholder png    forState   Normal     button addTarget self  action   OnClickroundButton   forControlEvents   TouchUpInside     button clipsToBounds   true     view addSubview button        func OnClickroundButton        NSLog   roundButton Method Called

User · Answer

To do it in the storyboard  you need to use an image for the button    Alternatively you can do it in code    btn layer cornerRadius   10  btn clipsToBounds   true

User · Answer

import UIKit   IBDesignable class MyButton  UIButton       override func layoutSubviews             super layoutSubviews                func updateCornerRadius radius CGFloat            layer cornerRadius   radius            IBInspectable var cornerRadius CGFloat   0          didSet              updateCornerRadius radius  cornerRadius

User · Answer

You can do something like this    IBDesignable class MyButton  UIButton       override func layoutSubviews             super layoutSubviews            updateCornerRadius               IBInspectable var rounded  Bool   false           didSet               updateCornerRadius                        func updateCornerRadius             layer cornerRadius   rounded   frame size height   2   0           Set class to MyButton in Identity Inspector and in IB you will have rounded property

User · Answer

While adding layer cornerRadius in the storyboard make sure that you don t have leading or trailing spaces  If you do copy paste  you might get spaces inserted  Would be nice if XCode say some kind of warning or error

User · Answer

Follow the screenshot below  It works when you run the simulator  won t see it on preview

User · Answer

I am using Xcode Version 11 4  In the attribute inspector  you can define the corner radius   It won t show in the Storyboard but it will work fine when you run the project

User · Answer

The extension is the best option for this problem  Create an extension of View or Button  public extension UIView       Round the corners   func roundCorners        let radius   bounds maxX   16     layer cornerRadius   radius         Call it from the code  button roundCorners

[ios] How to make a simple rounded button in Storyboard?

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