iOS开发的UI制作中动态和静态单元格的基本使用教程

#import <Foundation/Foundation.h>

@interface YYappInfo : NSObject
@property(nonatomic,copy)NSString *size;
@property(nonatomic,copy)NSString *download;
@property(nonatomic,copy)NSString *icon;
@property(nonatomic,copy)NSString *name;

-(instancetype)initWithDict:(NSDictionary *)dict;
+(instancetype)appInfoWithDict:(NSDictionary *)dict;
@end

#import "YYappInfo.h"

@implementation YYappInfo

-(instancetype)initWithDict:(NSDictionary *)dict
{
    if (self=[super init]) {
        //使用KVC
        [self setValuesForKeysWithDictionary:dict];
    }
    return self;
}

+(instancetype)appInfoWithDict:(NSDictionary *)dict
{

    return [[self alloc]initWithDict:dict];
}
@end

#import <UIKit/UIKit.h>

@class YYappInfo,YYappCell;

@protocol YYappCellDelegate <NSObject>
-(void)btnDidClick:(YYappCell *)cell;

@end
@interface YYappCell : UITableViewCell

@property(nonatomic,strong)YYappInfo *app;
//@property(nonatomic,strong)YYViewController *controller;
@property(nonatomic,strong)id <YYappCellDelegate> delegate;

@end

#import "YYappCell.h"
#import "YYappInfo.h"

@interface YYappCell ()
@property (weak, nonatomic) IBOutlet UIImageView *appimg;

@property (weak, nonatomic) IBOutlet UILabel *apptitle;
@property (weak, nonatomic) IBOutlet UILabel *appdownload;
@property (weak, nonatomic) IBOutlet UIButton *appbtn;

@end

-(void)setApp:(YYappInfo *)app
{
    _app=app;
    self.apptitle.text=_app.name;
    self.appdownload.text=[NSString stringWithFormat:@"大小 %@ | 下载量 %@次",_app.size,_app.download];
    self.appimg.image=[UIImage imageNamed:_app.icon];
   
}

#pragma mark- 完成按钮点击事件

- (IBAction)btnOnclick:(UIButton *)sender
{
    //按钮被点击后，变为不可用状态
    sender.enabled=NO;
   
    //通知代理，完成提示下载已经完成的动画效果
    if ([self.delegate respondsToSelector:@selector(btnDidClick:)]) {
        //一般而言，谁触发就把谁传过去
        [self.delegate  btnDidClick:self];
    }
}

@end

#import "YYViewController.h"
#import "YYappInfo.h"
#import "YYappCell.h"

@interface YYViewController ()<UITableViewDataSource,YYappCellDelegate>
@property(nonatomic,strong)NSArray *apps;
@property (strong, nonatomic) IBOutlet UITableView *tableview;

@end

- (void)viewDidLoad
{
    [super viewDidLoad];
}

#pragma mark- 使用懒加载先把plist文件中得数据加载进来
-(NSArray *)apps
{
    if (_apps==Nil) {
        NSString *fullpath=[[NSBundle mainBundle]pathForResource:@"apps_full.plist" ofType:Nil];
        NSArray *arrayM=[NSArray arrayWithContentsOfFile:fullpath];
       
        NSMutableArray *modles=[NSMutableArray arrayWithCapacity:arrayM.count];
        for (NSDictionary *dict in arrayM) {
            YYappInfo *appinfo=[YYappInfo appInfoWithDict:dict];
            [modles addObject:appinfo];
        }
        _apps=[modles copy];
    }
    return _apps;
}

#pragma mark- 设置tableview的数据源方法
//组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}
//行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.apps.count;
}
//组-行-数据
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    //创建cell
    static NSString *identifier=@"app";
    YYappCell *cell=[tableView dequeueReusableCellWithIdentifier:identifier];
    //设置cell的数据
    YYappInfo *appinfo=self.apps[indexPath.row];
    //设置代理
    cell.delegate=self;
    cell.app=appinfo;
    //返回cell
    return cell;
}

#pragma mark- 设置代理
-(void)btnDidClick:(YYappCell *)cell
{
    //取出模型
    YYappInfo *app=cell.app;
    NSLog(@"daili");
    UILabel *lab=[[UILabel alloc]init];
    //提示的显示位置
    lab.frame=CGRectMake(60, 300, 200, 20);
    //设置提示文本
    lab.text=[NSString stringWithFormat:@"%@已经下载完成",app.name];
    //设置文本背景颜色
    [lab setBackgroundColor:[UIColor grayColor]];
    [self.view addSubview:lab];
    lab.alpha=1.0;
   
    //设置动画效果
    [UIView animateWithDuration:2.0 animations:^{
        lab.alpha=0.0;
    } completion:^(BOOL finished) {
        //把弹出的提示信息从父视图中删除
        [lab removeFromSuperview];
    }];
}

#pragma mark-隐藏状态栏
-(BOOL)prefersStatusBarHidden
{
    return YES;
}

@end