ios開發之swift 使用代碼來自適應介面

月小升曾經使用介面來進行自適應，作為沒有經過系統化xcode訓練的人來說，太麻煩了。還是代碼來得直接。

直接計算螢幕的寬度，就可以設定元件的大小了。

代碼如下

複製代碼

// //  ViewController.swift //  kids // //  Created by  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//螢幕高度           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("註冊", 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("登陸", forState: UIControlState.Normal)         registerBtn2.addTarget(self, action: "goList:", forControlEvents:UIControlEvents.TouchUpInside)         self.view.addSubview(registerBtn2)           var webView = UIWebView()         var url = NSURL(string:http://www.111cn.net)         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.     }     }