swift之应用程序管理

一时失言乱红尘 2022-08-20 13:28 121阅读 0赞

## 1、效果图 ##

![Center][]

## 2、控件 ##

UIButton、UILabel、UIView、UIImageView

## 3、代码 ##

import UIKit
    
    class ViewController: UIViewController {
    
        ///---保存plist文件中的数组数据
        var m_Array:NSArray!;
        
        ///--加载plist文件数据
        func loadPlistInfo()
        {
            ///---获取路径
            let path:String = NSBundle.mainBundle().pathForResource("game.plist", ofType: nil)!;
            m_Array = NSArray(contentsOfFile:path);
    
        }
        
        override func viewDidLoad() {
            super.viewDidLoad();
            
            ///---每行应用的个数
            let appCount:CGFloat = 3;
            
            ///---每个应用的宽和高
            let appw:CGFloat = 80;
            let apph:CGFloat = 100;
            
            
            ///--第一行距离顶部的距离
            let margintop:CGFloat = 90;
            ///---行之间的巨鹿
            let marginx:CGFloat = (view.frame.size.width - appCount * appw) / (appCount + 1);
        
            ///---列之间的距离
            let marginy:CGFloat = marginx + 70;
            
            loadPlistInfo();
            ///--循环添加view
            for i in 0...Int(appCount)
            {
                ///---计算每个单元格所在列索引
                let colIndex:Int = i % Int(appCount);
                ///---计算每个单元格所在行索引
                let rowIndex = i / Int(appCount);
                
                let appx:CGFloat = CGFloat(marginx + CGFloat(colIndex) * (appw + marginx));
                let appy:CGFloat = CGFloat(margintop + CGFloat(rowIndex) * (appw + marginy));
                
                
                ///---创建每一个应用
                let appview = UIView(frame: CGRectMake(appx, appy, appw,apph));
                ///--设置每个应用的背景色
                ///appview.backgroundColor = .None;
                
               
                ///---添加应用
                view.addSubview(appview);
                
                
                ---向每一个view中添加view,label,btn
                ///----1、添加view(图片框)
                let appViewIcon = UIImageView();
                ///appViewIcon.backgroundColor = UIColor.yellowColor();
                ///--设置frame
                let iconw = CGFloat(45);
                let iconh = CGFloat(50);
                let iconx =  CGFloat(appview.frame.size.width - iconw) * 0.5;
                let icony = CGFloat(0);
                appViewIcon.frame = CGRectMake(iconx, icony, iconw, iconh);
                
                ///---设置图片数据
                ///---获取当前应用的字典
                let dic = m_Array[i];
                
                let str:String = String(dic["icon"]);
                ///---字符串截取
                var iconName:String!;
                var iconIndex_i = 0;
                for ch in str.characters
                {
                    if(9 == iconIndex_i++)
                    {
                        iconName = String(ch);
                    }
                }
                appViewIcon.image = UIImage(named:iconName);
                
                ///---在appView中显示添加的appviewicon
                appview.addSubview(appViewIcon);
                
                
                
                
                
                
                ///---2、添加label
                ///--计算frame
                let labelw = appview.frame.size.width;
                let labelh = CGFloat(20);
                let labelx = CGFloat(0);
                let labely = iconh;
                let label = UILabel(frame: CGRectMake(labelx, labely, labelw, labelh));
                ///label.backgroundColor = UIColor.blueColor();
                
                ///---label设置数据
                let nameStr:String = String(dic["name"]);
                ///---字符串截取
                var Name:String = "";
                var nameindex_i = 0;
                for ch in nameStr.characters
                {
                    nameindex_i++;
                    if(10 == nameindex_i || 11 == nameindex_i)
                    {
                        Name += String(ch);
                    }
                }
                label.text = Name;
                label.textAlignment = .Center;
                
                
                ///--显示label
                appview.addSubview(label);
                
                ///---添加按钮
                ///---设置frame
                let btnw = iconw;
                let btnh = CGFloat(20);
                let btnx = iconx;
                let btny = labely + labelh;
                let btn = UIButton(frame: CGRectMake(btnx, btny, btnw, btnh));
                ///btn.backgroundColor = UIColor.grayColor();
                
                btn.setTitle("下载", forState: .Normal);
                btn.setTitleColor(UIColor.greenColor(), forState: .Normal);
                
                btn.setTitle("进入", forState: .Highlighted);
                btn.setTitleColor(UIColor.redColor(), forState: .Highlighted);
                ///---显示按钮
                appview.addSubview(btn);
                
                ///---为按钮添加单击事件
                btn.addTarget(self, action: "btnClick", forControlEvents:UIControlEvents.TouchUpInside);
            }
            
        }
    
        ///---按钮的单击事件
        func btnClick()
        {
            let alert = UIAlertController(title: "提示", message: "下载中", preferredStyle: UIAlertControllerStyle.Alert);
            ///----创建按钮
            let sureAction = UIAlertAction(title: "确定", style: UIAlertActionStyle.Default, handler: {(action)-> Void in });
            ///---添加按钮
            alert.addAction(sureAction);
            ///---调用
            self.presentViewController(alert, animated:true, completion:nil);
            
        }
        
        
        override func didReceiveMemoryWarning() {
            super.didReceiveMemoryWarning()
            // Dispose of any resources that can be recreated.
        }
    
    
    }

## 4、plist文件 ##

![Center 1][]

[Center]: /images/20220731/404ed17c3eba435e8ca55ba177f87cff.png
[Center 1]: /images/20220731/661291a66b1b434b975ccc250464afe7.png