iOS开发UI篇—在UITableview的应用中使用动态单元格来完成app应用程序管理界面的搭建

 1 //  08-应用管理
 2 //
 3 //  Created by 鑫 on 14-10-14.
 4 //  Copyright (c) 2014年 梁镋鑫. All rights reserved.
 5 //
 6 
 7 #import <Foundation/Foundation.h>
 8 
 9 @interface TXApp : NSObject
10 /**
11  图标
12  */
13 @property (copy, nonatomic) NSString *icon;
14 /**
15  名称
16  */
17 @property (copy, nonatomic) NSString *name;
18 /**
19  大小
20  */
21 @property (copy, nonatomic) NSString *size;
22 /**
23  下载量
24  */
25 @property (copy, nonatomic) NSString *download;
26 
27 
28 @property (nonatomic, assign, getter = isDownloaded) BOOL downloaded;
29 
30 + (instancetype)appWithDict:(NSDictionary *)dict;
31 - (instancetype)initWithDict:(NSDictionary *)dict;
32 @end

 1 #import "TXApp.h"
 2 
 3 @implementation TXApp
 4 + (instancetype)appWithDict:(NSDictionary *)dict
 5 {
 6     return [[self alloc] initWithDict:dict];
 7 }
 8 
 9 - (instancetype)initWithDict:(NSDictionary *)dict
10 {
11     if (self = [super init]) {
12         [self setValuesForKeysWithDictionary:dict];
13     }
14     return self;
15 }
16 @end

 1 #import <UIKit/UIKit.h>
 2 @class TXApp, TXAppCell;
 3 
 4 @protocol TXAppCellDelegate <NSObject>
 5 @optional
 6 - (void)appCellDidClickedDownloadBtn:(TXAppCell *)cell;
 7 @end
 8 @interface TXAppCell : UITableViewCell
 9 @property (nonatomic, strong) TXApp *app;
10 
11 @property (nonatomic, weak) id<TXAppCellDelegate> delegate;
12 
13 @end

 1 /
 2 //  Created by 鑫 on 14-10-14.
 3 //  Copyright (c) 2014年 梁镋鑫. All rights reserved.
 4 //
 5 #import "TXAppCell.h"
 6 #import "TXApp.h"
 7 
 8 @interface TXAppCell()
 9 @property (weak, nonatomic) IBOutlet UIImageView *iconView;
10 @property (weak, nonatomic) IBOutlet UILabel *nameView;
11 @property (weak, nonatomic) IBOutlet UIButton *downloadView;
12 @property (weak, nonatomic) IBOutlet UILabel *introView;
13 - (IBAction)downloadClick:(UIButton *)btn;
14 @end
15 
16 @implementation TXAppCell
17 
18 - (void)setApp:(TXApp *)app
19 {
20     _app = app;
21     
22     self.iconView.image = [UIImage imageNamed:app.icon];
23     self.nameView.text = app.name;
24     self.introView.text = [NSString stringWithFormat:@"大小:%@ | 下载量:%@", app.size, app.download];
25     
26     // 覆盖按钮的状态
27     self.downloadView.enabled = (self.app.isDownloaded == NO);
28 }
29 /**
30  *  点击了下载按钮
31  */
32 - (IBAction)downloadClick:(UIButton *)btn {
33     // 1.让按钮失效
34     self.app.downloaded = YES;
35     btn.enabled = NO;
36     
37     // 2.通知代理
38     if ([self.delegate respondsToSelector:@selector(appCellDidClickedDownloadBtn:)]) {
39         [self.delegate appCellDidClickedDownloadBtn:self];
40     }
41 }
42 @end

 1 //  Created by 鑫 on 14-10-14.
 2 //  Copyright (c) 2014年 梁镋鑫. All rights reserved.
 3 //
 4 
 5 #import "TXViewController.h"
 6 #import "TXApp.h"
 7 #import "TXAppCell.h"
 8 
 9 @interface TXViewController () <TXAppCellDelegate>
10 @property (nonatomic, strong) NSArray *apps;
11 @end
12 
13 @implementation TXViewController
14 - (NSArray *)apps
15 {
16     if (_apps == nil) {
17         NSArray *dictArray = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"apps_full.plist" ofType:nil]];
18         
19         NSMutableArray *appArray = [NSMutableArray array];
20         for (NSDictionary *dict in dictArray) {
21             TXApp *app = [TXApp appWithDict:dict];
22             [appArray addObject:app];
23         }
24         _apps = appArray;
25     }
26     return _apps;
27 }
28 
29 - (void)viewDidLoad
30 {
31     [super viewDidLoad];
32     
33 }
34 
35 - (BOOL)prefersStatusBarHidden
36 {
37     return YES;
38 }
39 
40 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
41 {
42     return self.apps.count;
43 }
44 
45 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
46 {
47     //拿到控制器的tableView
48     TXAppCell *cell = [tableView dequeueReusableCellWithIdentifier:@"app"];
49     cell.delegate = self;
50     cell.app = self.apps[indexPath.row];
51     return cell;
52 }
53 
54 #pragma mark - cell的代理方法
55 - (void)appCellDidClickedDownloadBtn:(TXAppCell *)cell
56 {
57     // 1.添加标签
58     UILabel *label = [[UILabel alloc] init];
59     label.text = [NSString stringWithFormat:@"成功下载%@", cell.app.name];
60     label.font = [UIFont systemFontOfSize:12];
61     label.textAlignment = NSTextAlignmentCenter;
62     label.textColor = [UIColor whiteColor];
63     label.backgroundColor = [UIColor blackColor];
64     label.frame = CGRectMake(0, 0, 150, 25);
65     label.center = CGPointMake(160, 240);
66     label.alpha = 0.0;
67     label.layer.cornerRadius = 5;
68     label.clipsToBounds = YES;
69     [self.view addSubview:label];
70     
71     // 2.动画
72     [UIView animateWithDuration:0.5 animations:^{
73         label.alpha = 0.5;
74     } completion:^(BOOL finished) {
75         [UIView animateWithDuration:0.5 delay:0.5 options:UIViewAnimationOptionCurveLinear animations:^{
76             label.alpha = 0.0;
77         } completion:^(BOOL finished) {
78             [label removeFromSuperview];
79         }];
80     }];
81 }
82 
83 
84 @end

 1 //组-行-数据
 2 -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
 3 {
 4     //创建cell
 5     static NSString *identifier=@"app";
 6     YYappCell *cell=[tableView dequeueReusableCellWithIdentifier:identifier];
 7     //设置cell的数据
 8     YYappInfo *appinfo=self.apps[indexPath.row];
 9     //设置代理
10     cell.delegate=self;
11     cell.app=appinfo;
12     //返回cell
13     return cell;
14 }