This is a sample code to display a button using UIButton. I use the rounded corner buttons a lot.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import UIKit | |
| class UIButton_20190604: UIViewController { | |
| override func viewDidLoad() { | |
| super.viewDidLoad() | |
| view.backgroundColor = .white | |
| let width = view.frame.width | |
| let height = view.frame.height | |
| // make button instance | |
| let basicButton = UIButton() | |
| // set button size | |
| basicButton.frame = CGRect(x: width * 0.2, y: height * 0.15, width: width * 0.6, height: 40) | |
| // set background color | |
| basicButton.backgroundColor = UIColor.gray | |
| // set action | |
| basicButton.addTarget(self, action: #selector(buttonOnTap(sender:)), for: .touchUpInside) | |
| // set button title | |
| basicButton.setTitle("state normal", for: UIControl.State.normal) | |
| basicButton.setTitle("highlighted", for: UIControl.State.highlighted) | |
| // set button title color | |
| basicButton.setTitleColor(UIColor.white, for: UIControl.State.normal) | |
| // add view | |
| view.addSubview(basicButton) | |
| // make image button instance | |
| let cornerRadiusButton = UIButton() | |
| cornerRadiusButton.frame = CGRect(x: width * 0.2, y: height * 0.25, width: width * 0.6, height: 40) | |
| cornerRadiusButton.backgroundColor = UIColor.purple | |
| cornerRadiusButton.addTarget(self, action: #selector(cornerRadiusButtonOnTap(sender:)), for: .touchUpInside) | |
| cornerRadiusButton.setTitle("state normal", for: UIControl.State.normal) | |
| cornerRadiusButton.setTitle("highlighted", for: UIControl.State.highlighted) | |
| cornerRadiusButton.setTitleColor(UIColor.white, for: UIControl.State.normal) | |
| view.addSubview(cornerRadiusButton) | |
| // set corner radius | |
| cornerRadiusButton.layer.masksToBounds = true | |
| cornerRadiusButton.layer.cornerRadius = 20.0 | |
| // make image button instance | |
| let imageButton = UIButton() | |
| imageButton.frame = CGRect(x: width * 0.2, y: height * 0.35, width: width * 0.6, height: 40) | |
| imageButton.backgroundColor = UIColor.orange | |
| imageButton.addTarget(self, action: #selector(imageButtonOnTap(sender:)), for: .touchUpInside) | |
| view.addSubview(imageButton); | |
| // set button background image | |
| let buttonImage = UIImage(named: "swiswiswift-banner") | |
| imageButton.setBackgroundImage(buttonImage, for: UIControl.State.normal) | |
| // shadow button | |
| let shadowButton = UIButton() | |
| shadowButton.frame = CGRect(x: width * 0.2, y: height * 0.45, width: width * 0.6, height: 40) | |
| shadowButton.setTitle("shadow button", for: UIControl.State.normal) | |
| shadowButton.backgroundColor = UIColor(red: 0.7, green: 0.6, blue: 0.3, alpha: 1) | |
| view.addSubview(shadowButton) | |
| // set shadow | |
| shadowButton.layer.shadowOpacity = 0.5 | |
| shadowButton.layer.shadowOffset = CGSize(width: 2, height: 2) | |
| } | |
| // button on tap | |
| @objc func buttonOnTap(sender: UIButton) { | |
| print("button on tap") | |
| } | |
| // corner button on tap | |
| @objc func cornerRadiusButtonOnTap(sender: UIButton) { | |
| print("corner button on tap") | |
| } | |
| // image button on tap | |
| @objc func imageButtonOnTap(sender: UIButton) { | |
| print("image button on tap") | |
| } | |
| } |