In IOS, the app implements the jiugongge feature, and in IOS, the app implements the jiugongge feature.

In IOS, the app implements the jiugongge feature, and in IOS, the app implements the jiugongge feature.

The idea of implementing the jiugongge algorithm is as follows:

 

Example:

1 // 2 // ViewController. m 3 // jiugongge 4 // 5 // Created by Li Qianwei on 15/3/26. 6 // Copyright (c) Future of Lee in 2015. all rights reserved. 7 // 8 9 # import "ViewController. h "10 11 @ interface ViewController () 12 13 @ property (nonatomic, strong) NSArray * data; 14 @ end15 16 @ implementation ViewController17 18-(NSArray *) data {19 if (_ data = nil) {20 NSString * fileName = [[NSBundle mainBundle] pathForResource: @ "app. plist "ofType: nil]; 21 _ data = [NSArray arrayWithContentsOfFile: fileName]; 22} 23 24 return _ data; 25} 26 27-(void) viewDidLoad {28 [super viewDidLoad]; 29 30 int colNumber = 3; 31 32 CGFloat appW = 85; 33 CGFloat appH = 90; 34 35 36 CGFloat Margat values = (self. view. frame. size. width-appW * colNumber)/(colNumber + 1); 37 CGFloat marginY = 15; 38 39 for (int index = 0; index <self. data. count; index ++) {40 int row = index/colNumber; 41 int col = index % colNumber; 42 CGFloat appX = col * (appW + Margat) + marginX; 43 CGFloat appY = row * (appH + marginY) + 30; 44 UIView * appView = [[UIView alloc] init]; 45 // appView. backgroundColor = [UIColor greenColor]; 46 appView. frame = CGRectMake (appX, appY, appW, appH); 47 [self. view addSubview: appView]; 48 49 NSDictionary * dataDic = self. data [index]; 50 UIImageView * iconImg = [[UIImageView alloc] init]; 51 CGFloat iconW = 45; 52 CGFloat iconH = 45; 53 CGFloat iconX = (appW-iconW) /2; 54 CGFloat iconY = 0; 55 iconImg. frame = CGRectMake (iconX, iconY, iconW, iconH); 56 iconImg. image = [UIImage imageNamed: dataDic [@ "icon"]; 57 [appView addSubview: iconImg]; 58 59 60 UILabel * label = [[UILabel alloc] init]; 61 CGFloat labelW = appW; 62 CGFloat labelH = 25; 63 CGFloat labelX = 0; 64 CGFloat labelY = iconH; 65 label. frame = CGRectMake (labelX, labelY, labelW, labelH); 66 label. text = dataDic [@ "name"]; 67 label. font = [UIFont systemFontOfSize: 13]; 68 label. textAlignment = labels; 69 [appView addSubview: label]; 70 71 UIButton * btn = [[UIButton alloc] init]; 72 CGFloat btnX = 12; 73 CGFloat btnY = labelY + labelH; 74 CGFloat btnW = appW-2 * btnX; 75 CGFloat btnH = 20; 76 btn. frame = CGRectMake (btnX, btnY, btnW, btnH); 77 [btn labels: [UIImage imageNamed: @ "buttongreen"] forState: UIControlStateNormal]; 78 [btn setBackgroundImage: [UIImage imageNamed: @ "buttongreen_highlighted"] forState: UIControlStateHighlighted]; 79 [btn setTitle: @ "Download" forState: UIControlStateNormal]; 80 btn. titleLabel. font = [UIFont systemFontOfSize: 11]; 81 [appView addSubview: btn]; 82 83} 84 85 86 87} 88 89-(void) didReceiveMemoryWarning {90 [super didreceivemorywarning]; 91 // Dispose of any resources that can be recreated.92} 93 94 @ end