仿qq界面的实现

来源：互联网发布：beyond compare4.2mac 编辑：程序博客网时间：2024/05/21 11:23

感谢qq好友的帮助，参考了部分博客。谢谢各位

// TableViewController.h
// qq列表界面
//
// Created by jose on 15-3-9.
// Copyright (c) 2015年 jose. All rights reserved.
//

#import <UIKit/UIKit.h>
//定义字典的关键字用于存储数值
#define DIC_EXPANDED @"expanded" //是否是展开 0收缩 1展开
#define DIC_ARARRY @"array"
#define DIC_TITILESTRING @"title"
#define heigt 40.0f
@interface TableViewController : UITableViewController<UITextFieldDelegate>
{
//声明变量
NSMutableArray *data;
//下拉刷新
UIRefreshControl *refresh;
UISearchBar *search;
}

@property(nonatomic,strong)UIRefreshControl *refresh;
@property(nonatomic,strong)UISearchBar *search;

@end

*****************************************************************************************************************

****************************************************************************************************************

//
// TableViewController.m
// qq列表界面
//
// Created by jose on 15-3-9.
// Copyright (c) 2015年 jose. All rights reserved.
//

#import "TableViewController.h"

@interface TableViewController ()

@end

UIButton *mybutton;
CGFloat width;
UIView *headview;
@implementation TableViewController
@synthesize refresh;
@synthesize search;

- (void)viewDidLoad {
[super viewDidLoad];
[self initdata];
[self setbeginrefresh];
//取出tableview的底部多余的表格
self.tableView.tableFooterView=[[UIView alloc]initWithFrame:CGRectZero];
headview=[[UIView alloc]initWithFrame:CGRectMake(0, 0, width, 160)];
headview.backgroundColor=[UIColor whiteColor];
self.tableView.tableHeaderView=headview;
width=[UIScreen mainScreen].bounds.size.width;
[self button];
[self setsearch];

//添加手势
UITapGestureRecognizer *gesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(gestureclick)];
[self.view addGestureRecognizer:gesture];
}
//相应手势的事件

-(void)gestureclick{
[self.view endEditing:YES];
}

//创建按钮
-(void)button{
for (int i=0; i<4; i++) {
UIButton *button=[[UIButton alloc]initWithFrame:CGRectMake(i*(width/4)+10,80, 60, 60)];
[button setTitle:@"点你" forState:UIControlStateNormal];
button.backgroundColor=[UIColor grayColor];
button.layer.cornerRadius=8.0f;
button.layer.masksToBounds=YES;
[headview addSubview:button];
}

UILabel *labeltop=[[UILabel alloc]initWithFrame:CGRectMake(0, 77, width, 1)];
labeltop.backgroundColor=[UIColor blueColor];

UILabel *labelbottom=[[UILabel alloc]initWithFrame:CGRectMake(0,142, width, 1)];
labelbottom.backgroundColor=[UIColor blueColor];

[headview addSubview:labeltop];
[headview addSubview:labelbottom];
}

//设置搜索条
-(void)setsearch{
search=[[UISearchBar alloc]initWithFrame:CGRectMake(0, 20, width, 40)];
search.backgroundColor=[UIColor whiteColor];
[headview addSubview:search];
}

//设置刷新
-(void)setbeginrefresh{
refresh=[[UIRefreshControl alloc]init];
refresh.tintColor=[UIColor lightGrayColor];
refresh.attributedTitle=[[NSAttributedString alloc]initWithString:@"下拉刷新"];
[refresh addTarget:self action:@selector(refreshaction:) forControlEvents:UIControlEventValueChanged];
self.refreshControl=refresh;
}

//触发刷新
-(void)refreshaction:(UIRefreshControl *)refreshs{
if(refreshs.refreshing)
{
refresh.attributedTitle=[[NSAttributedString alloc]initWithString:@"正在刷新"];
[self performSelector:@selector(refreshdata) withObject:nil afterDelay:2];
}
}

//刷新数据
-(void)refreshdata{
//NSString *systemtime=nil;
//设置时间格式
NSDateFormatter *formatter=[[NSDateFormatter alloc]init];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
//systemtime=[formatter stringFromDate:[NSDate date]];
NSString *lasttime=[NSString stringWithFormat:@"上一次更新时间为%@",[formatter stringFromDate:[NSDate date]]];
self.refreshControl.attributedTitle=[[NSAttributedString alloc]initWithString:lasttime];
[self.refreshControl endRefreshing];
[self.tableView reloadData];

}

-(void)initdata{

//初始化数组,用于存储数据
data=[[NSMutableArray alloc]init];

for (int i=0; i<=5; i++) {

NSMutableArray *array=[[NSMutableArray alloc]init];
for (int j=0; j<=5; j++) {
NSString *stringone=[NSString stringWithFormat:@"%i组%i行",i,j];
[array addObject:stringone];
}
NSString *string=[NSString stringWithFormat:@"第%i分组",i];

NSMutableDictionary *dic=[[NSMutableDictionary alloc]initWithObjectsAndKeys:array,DIC_ARARRY,string,DIC_TITILESTRING,[NSNumber numberWithInt:0],DIC_EXPANDED, nil];

[data addObject:dic];
}

}

- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}

//按钮点击事件
-(void)buttonclick:(UIButton *)sender{
NSInteger section=sender.tag;
[self collapseorexpand:section];
[self.tableView reloadData];
}

//判断是否展开或者收缩
-(void)collapseorexpand:(NSInteger)section{
NSMutableDictionary *dic=[data objectAtIndex:section];
NSInteger expanded=[[dic objectForKey:DIC_EXPANDED]intValue];
if(expanded)
{
[dic setValue:[NSNumber numberWithInt:0] forKey:DIC_EXPANDED];
}
else
{
[dic setValue:[NSNumber numberWithInt:1] forKey:DIC_EXPANDED];
}
}

#pragma mark - Table view data source
//返回有多少组
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return data.count;
}
//每组有多少条数据
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
NSMutableDictionary *dic=[data objectAtIndex:section];
NSArray *array=[dic objectForKey:DIC_ARARRY];
if([[dic objectForKey:DIC_EXPANDED]intValue])
{
return array.count;
}
else
return 0;

}

//显示每组数据的单元格
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{

//定义个静态字符串为了防止与其他类的tableivew重复

static NSString *table=@"cell";

//定义cell的复用性当处理大量数据时减少内存开销

UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:table];

if(cell==nil)
{
cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:table];
}
NSArray *array=[[data objectAtIndex:indexPath.section]objectForKey:DIC_ARARRY];
cell.textLabel.text=[array objectAtIndex:indexPath.row];
cell.accessoryType=UITableViewCellAccessoryDisclosureIndicator;
self.tableView.separatorColor=[UIColor blueColor];
return cell;
}

//设置分组头的高度
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
return heigt;
}

//设置分组头
-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
//添加自定义视图
UIView *view=[[UIView alloc]initWithFrame:CGRectMake(0, 0,width, 40)]
;
view.backgroundColor=[UIColor whiteColor];
//添加按钮
mybutton=[[UIButton alloc]initWithFrame:CGRectMake(0, 0, width, 40)];
mybutton.tag=section;
mybutton.backgroundColor=[UIColor whiteColor];
[mybutton addTarget:self action:@selector(buttonclick:) forControlEvents:UIControlEventTouchUpInside];
//设置标题
[mybutton setTitle:[[data objectAtIndex:section] objectForKey:DIC_TITILESTRING] forState:UIControlStateNormal];
[mybutton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[view addSubview:mybutton];
//添加上划线
UILabel *labeltop=[[UILabel alloc]initWithFrame:CGRectMake(0,-1, width, 1)];
labeltop.backgroundColor=[UIColor blueColor];
[view addSubview:labeltop];
//添加下划线
UILabel *labelbottom=[[UILabel alloc]initWithFrame:CGRectMake(0, 39, width, 1)];
labelbottom.backgroundColor=[UIColor blueColor];
[view addSubview:labelbottom];
return view;
}
//单元内容递进
-(NSInteger)tableView:(UITableView *)tableView indentationLevelForRowAtIndexPath:(NSIndexPath *)indexPath{
return 1;
}

@end

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