这是一个创建于 3302 天前的主题，其中的信息可能已经有所发展或是发生改变。
本月初，苹果宣布 swift 编程语言开源，最近苹果软件工程高级副总裁 Craig Federighi 又坦言， Swift 将深度整合到 iCloud 和 OS X 中，这意味着 swift 将成为今后 iOS 开发的主流语言，从事 iOS 开发， swift 是必学语言。
看到苹果近期的消息有点鸡冻，废话不多说，今天要和大家分享的是在网上看到的关于使用 swift 语言纯代码实现 iphone 软件自适应屏幕的源码，一起来看看吧。
//
// ViewController.swift
// kids
//
// Created by yuexiaosheng on 15/9/4.
// Copyright (c) 2015 年 Acrowdkids. All rights reserved.
//
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var wb: UIWebView!
@IBOutlet weak var bn_blue: UIButton!
@IBOutlet weak var bn_org: UIButton!
@IBOutlet weak var lb_msg: UILabel!
//var webView : UIWebView?
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
lb_msg.text = self.view.bounds.width.description
var width = self.view.bounds.width.description
var height = self.view.bounds.height.description
var fwidth = (width as NSString).floatValue
var fheight = (height as NSString).floatValue//屏幕高度
let sizew:CGFloat = CGFloat(fwidth/2)
let posy:CGFloat = CGFloat(fheight-40)
let sizewebview:CGFloat = CGFloat(fwidth)
let posywebview:CGFloat = CGFloat(fheight-60)
let registerBtn : UIButton = UIButton()
registerBtn.frame = CGRectMake(0, posy, sizew, 40)
registerBtn.backgroundColor = UIColor.orangeColor()
registerBtn.setTitle("注册", forState: UIControlState.Normal)
registerBtn.addTarget(self, action: "goList:", forControlEvents:UIControlEvents.TouchUpInside)
self.view.addSubview(registerBtn)
let registerBtn2 : UIButton = UIButton()
registerBtn2.frame = CGRectMake(sizew, posy, sizew, 40)
registerBtn2.backgroundColor = UIColor.blueColor()
registerBtn2.setTitle("登陆", forState: UIControlState.Normal)
registerBtn2.addTarget(self, action: "goList:", forControlEvents:UIControlEvents.TouchUpInside)
self.view.addSubview(registerBtn2)
var webView = UIWebView()
var url = NSURL(string:"http://www.baidu.com")
var urlRequest = NSURLRequest(URL:url!)
webView.frame = CGRectMake(0, 20, sizewebview, posywebview)
webView.loadRequest(urlRequest)
self.view.addSubview(webView)
}
@IBAction func goList(sender: AnyObject) {
var rootVC :ListViewController = ListViewController(nibName: "ListViewController", bundle: nil)
let NVC :UINavigationController = UINavigationController(rootViewController: rootVC)
NVC.setNavigationBarHidden(true, animated: true)
self.presentViewController(NVC, animated: true, completion: nil)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
自适应屏幕源码分享到此，强烈建议大家可以自己动手跑一下上述代码。
相关文章：《 Swift 2.0 中类型检查与转换详解》 http://www.maiziedu.com/group/article/10383/
文章来源：月小升博客
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