目录:[Swift]Xcode实际操作 本文将演示使用视图的手势功能,完成视图的交互操作. import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //初始化一个原点在(32,80),尺寸为(256,2…
目录:[Swift]Xcode实际操作 本文将演示使用视图的长按手势,完成视图的交互功能. import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //初始化一个原点在(32,80),尺寸为(256,2…
目录:[Swift]Xcode实际操作 本文将演示使用视图的双击手势,完成视图的交互功能. import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //初始化一个原点在(32,80),尺寸为(256,2…
目录:[Swift]Xcode实际操作 本文将演示在视图控制器的根视图里添加两个视图对象. import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //初始化一个举行区域对象, //它在屏幕上定义了一个…
目录:[Swift]Xcode实际操作 本文将演示创建三个视图对象,其中第二个视图是第三个视图的父视图. 现在开始编写代码,实现这项功能 import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //创建…
目录:[Swift]Xcode实际操作 本文将实现视图的添加与删除,以及切换视图在父视图中的层次. import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //创建一个原点在(30,50),尺寸为(20…
目录:[Swift]Xcode实际操作 本文将演示给图片添加颜色相框 import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //UIImage是一个用来加载和绘制图像的类 let image = UI…
目录:[Swift]Xcode实际操作 本文将演示给矩形图片添加圆角效果 import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //首先从项目中,读取一张之前添加的图片 let image = UII…