UITableBarController

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#import "AppDelegate.h"
#import "RootViewController.h"
#import "ViewController1.h"
#import "ViewController2.h"
#import "ViewController3.h"
#import "ViewController4.h"
#import "ViewController5.h"
#import "ViewController6.h"
@interface AppDelegate ()<UITabBarControllerDelegate>
@end
/**
 系统代理的使用：
 1.遵守协议
 2.设置代理
 3.实现代理方法
 */
@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
    [self.window setBackgroundColor:[UIColor whiteColor]];
    
    [self createTabBarController];
    
    [self.window makeKeyAndVisible];
    return YES;
}
//创建UITabBarController
-(void)createTabBarController{
//    初始化UITabBarController
    UITabBarController *tabBarVc = [[UITabBarController alloc]init];
    
//    设置代理
    tabBarVc.delegate = self;
    
    self.window.rootViewController = tabBarVc;
    
//    设置tabBar的背景色
//    tabBarVc.tabBar.barTintColor = [UIColor yellowColor];
    
    ViewController1 *vc1 = [[ViewController1 alloc]init];
    ViewController2 *vc2 = [[ViewController2 alloc]init];
    ViewController3 *vc3 = [[ViewController3 alloc]init];
    ViewController4 *vc4 = [[ViewController4 alloc]init];
    ViewController5 *vc5 = [[ViewController5 alloc]init];
    ViewController6 *vc6 = [[ViewController6 alloc]init];
     
//    系统item样式
//    UITabBarSystemItemMore,
//    UITabBarSystemItemFavorites,
//    UITabBarSystemItemFeatured,
//    UITabBarSystemItemTopRated,
//    UITabBarSystemItemRecents,
//    UITabBarSystemItemContacts,
//    UITabBarSystemItemHistory,
//    UITabBarSystemItemBookmarks,
//    UITabBarSystemItemSearch,
//    UITabBarSystemItemDownloads,
//    UITabBarSystemItemMostRecent,
//    UITabBarSystemItemMostViewed,

    
    UITabBarItem *item1 = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemFavorites tag:11];
    vc1.tabBarItem = item1;
    
    UITabBarItem *item2 = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemContacts tag:12];
    vc2.tabBarItem = item2;
    
    UITabBarItem *item3 = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemDownloads tag:13];
    vc3.tabBarItem = item3;
    
    UITabBarItem *item4 = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemFavorites tag:14];
    vc4.tabBarItem = item4;
    
    UITabBarItem *item5 = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemFeatured tag:15];
    vc5.tabBarItem = item5;
    
    UITabBarItem *item6 = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemHistory tag:16];
    vc6.tabBarItem = item6;
    
//    镂空处颜色
    tabBarVc.tabBar.tintColor = [UIColor redColor];
    
//    透明度
    tabBarVc.tabBar.translucent = NO;
    
//    最多只显示5个，多出来的会自动生成一个More，它是一个导航控制器
    tabBarVc.viewControllers = @[vc1,vc2,vc3,vc4,vc5,vc6];
    
//    设置选中哪一个控制器
//    tabBarVc.selectedIndex = 3;
    
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    NSUInteger index = [defaults integerForKey:@"index"];
    NSLog(@"%ld",index);
//     设置选中第index个控制器
    tabBarVc.selectedIndex = index;
    
//    排序
    [self order];
}
#pragma mark - 
#pragma mark UITabBarController delegate
-(BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController{
    NSLog(@"将要选中视图控制器");
    if (viewController.tabBarItem.tag == 13) {
        return NO;
    }
//  YES:可以选中
//  NO:不能选中
    return YES;
}
-(void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController{
    NSLog(@"已经选中指定的视图控制器");
    
    NSArray *array = tabBarController.viewControllers;
    NSLog(@"array = %@",array);
    NSUInteger index = [array indexOfObject:viewController];
    
//    初始化NSUserDefaults (单例)
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
//    设置index
    [defaults setInteger:index forKey:@"index"];
//    同步
    [defaults synchronize];
}
-(void)tabBarController:(UITabBarController *)tabBarController willBeginCustomizingViewControllers:(NSArray *)viewControllers{
    NSLog(@"willBeginCustomizingViewControllers");
}
-(void)tabBarController:(UITabBarController *)tabBarController willEndCustomizingViewControllers:(NSArray *)viewControllers changed:(BOOL)changed{
    NSLog(@"willEndCustomizingViewControllers");
}
-(void)tabBarController:(UITabBarController *)tabBarController didEndCustomizingViewControllers:(NSArray *)viewControllers changed:(BOOL)changed{
    NSLog(@"didEndCustomizingViewControllers");
    
    NSMutableArray *array = [NSMutableArray array];
//    changed用来判断是否交换
    if (changed == YES) {
        for (UIViewController *vc in viewControllers) {
            [array addObject:vc.title];
        }
    }
    NSLog(@"%@",array);
    
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    [defaults setObject:array forKey:@"order"];
    [defaults synchronize];
}

-(void)order{
    
    //    获取UITabBarController
    UITabBarController * tbc = (UITabBarController*)self.window.rootViewController;
    
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    //    取得之前排序的数组
    NSMutableArray *titleArray = [defaults objectForKey:@"order"];
    
    //    如果排序的数组是nil,返回
    if (titleArray == nil) {
        return;
    }
    
    NSMutableArray *orderArray = [NSMutableArray array];
    for (NSString *titler in titleArray) {
        for (UIViewController *vc  in tbc.viewControllers) {
            if ([titler isEqualToString:vc.title]) {
                [orderArray addObject:vc];
                break;
            }
        }
    }
    tbc.viewControllers = orderArray;
}

@end


#import "BaseViewController.h"

@interface BaseViewController ()

@end

@implementation BaseViewController
-(instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        self.title = NSStringFromClass([self class]);
    }
    return self;
}
- (void)viewDidLoad {
    [super viewDidLoad];

#define Random arc4random()%256/255.0
    
    self.view.backgroundColor = [UIColor colorWithRed:Random green:Random blue:Random alpha:0.9f];
    
    UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(100, 100, 200, 100)];
    NSString *name = NSStringFromClass([self class]);
    label.text = name;
    
    [self.view addSubview:label];
}
@end
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#import "AppDelegate.h"
#import "ViewController1.h"
#import "ViewController2.h"
#import "ViewController3.h"
#import "ViewController4.h"
#import "ViewController4_1.h"
@interface AppDelegate ()

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
    [self.window setBackgroundColor:[UIColor whiteColor]];
    
    [self createUITabBarController];
    [self customTabBar];
    
    
    [self.window makeKeyAndVisible];
    
    return YES;
}
//创建UITabBarController
-(void)createUITabBarController{
//    初始化UITabBarController
    UITabBarController *tabBarVc = [[UITabBarController alloc]init];
    self.window.rootViewController = tabBarVc;
    
    
    ViewController1 *vc1 = [[ViewController1 alloc]init];
    ViewController2 *vc2 = [[ViewController2 alloc]init];
    ViewController3 *vc3 = [[ViewController3 alloc]init];
    
    ViewController4 *vc4 = [[ViewController4 alloc]init];
    UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:vc4];

//    把导航控制器放到分栏控制器中
//    tabBarVc.viewControllers = @[vc1,vc2,vc3,nav];
    
//    初始化UITabBarItem
//    Title：名字
//    image：图片
//    tag:标识
    UITabBarItem *item1 = [[UITabBarItem alloc]initWithTitle:@"微信" image:[UIImage imageNamed:@"tabbar_mainframe" ] tag:11];
    vc1.tabBarItem = item1;
    
    UIImage *image2 = [UIImage imageNamed:@"tabbar_contactsHL"];
//    对图片进行处理(显示原有尺寸)
    image2 = [image2 imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
//
//Title：名称
//image：正常状态image
//selectedImage:选中状态image(需要对图片进行处理，否则会不显示选中图片)
    UITabBarItem *item2 = [[UITabBarItem alloc]initWithTitle:@"通讯录" image:[UIImage imageNamed:@"tabbar_contacts"] selectedImage:image2];
    vc2.tabBarItem = item2;
    
    UIImage *image3 = [UIImage imageNamed:@"tabbar_discoverHL"];
    image3 = [image3 imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    UITabBarItem *item3 = [[UITabBarItem alloc]initWithTitle:@"朋友圈" image:[UIImage imageNamed:@"tabbar_discover"] selectedImage:image3];
    vc3.tabBarItem = item3;
    
    item3.badgeValue = @"99+";
    
    
    UIImage *image4 = [UIImage imageNamed:@"tabbar_meHL"];
    image4 = [image4 imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    
    UITabBarItem *item4 = [[UITabBarItem alloc]initWithTitle:@"我" image:[UIImage imageNamed:@"tabbar_me"] selectedImage:image4];
    vc4.tabBarItem = item4;
    
    tabBarVc.viewControllers = @[vc1,vc2,vc3,nav];
}
//设置TabBar
-(void)customTabBar{
//    获取UITabBarController
    UITabBarController *tabBarVc = (UITabBarController*)self.window.rootViewController;
    
//    获取UITabBar
    UITabBar *tabBar = tabBarVc.tabBar;
    
//    设置tabBar样式
    tabBar.barStyle = UIBarStyleDefault;
//    UIBarStyleDefault
//    UIBarStyleBlack
    
//    设置透明度
    tabBar.translucent = YES;
    
//    设置镂空颜色（字体颜色）
    [tabBar setTintColor:[UIColor colorWithRed:0/255.0 green:176/255.0 blue:15/255.0 alpha:1.0]];
    
//    设置tabBar背景色
    [tabBar setBarTintColor:[UIColor redColor]];
    
//    设置背景图片（当设置背景图片时，会覆盖背景色）
    [tabBar setBackgroundImage:[UIImage imageNamed:@"tabbar_bg"]];
    
}

@end


#import "BaseViewController.h"

@interface BaseViewController ()

@end

@implementation BaseViewController
-(instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        self.title = NSStringFromClass([self class]);
    }
    return self;
}
- (void)viewDidLoad {
    [super viewDidLoad];

#define Random arc4random()%256/255.0
    
    self.view.backgroundColor = [UIColor colorWithRed:Random green:Random blue:Random alpha:0.9f];
    
    UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(100, 100, 200, 100)];
    
    NSString *name = NSStringFromClass([self class]);
    label.text = name;
    
    [self.view addSubview:label];
}
@end

#import "ViewController4.h"
#import "ViewController4_1.h"
@interface ViewController4 ()

@end

@implementation ViewController4

- (void)viewDidLoad {
    [super viewDidLoad];
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(100, 100, 100, 100);
    button.backgroundColor = [UIColor lightGrayColor];
    [button addTarget:self action:@selector(onClick) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}
-(void)onClick{
    ViewController4_1 *vc = [[ViewController4_1 alloc]init];
    [self.navigationController pushViewController:vc animated:YES];
    
    NSLog(@"%f",self.tabBarController.tabBar.frame.size.height);
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}



@end

UIWebView

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#import "ViewController.h"

@interface ViewController ()<UIWebViewDelegate>

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
//    初始化
    UIWebView *webView = [[UIWebView alloc]initWithFrame:self.view.bounds];
//    设置背景色
    webView.backgroundColor = [UIColor redColor];
    
//    设置代理
    webView.delegate = self;
    
    
//    添加到视图
    [self.view addSubview:webView];
    
//    网址
    NSString *path = @"http://www.baidu.com";
//    封装url,统一资源定位符，将字符串封装成可以识别的网址
    NSURL *url = [NSURL URLWithString:path];
//  请求类
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
//  加载请求
    [webView loadRequest:request];
}

#pragma mark - delegate
//即将加载
-(BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType{
//  YES:加载网页信息
//  NO:不回网页信息
    NSLog(@"即将加载");
    return YES;
}
//已经开始加载
-(void)webViewDidStartLoad:(UIWebView *)webView{
    NSLog(@"已经开始加载");
}
//加载成功
-(void)webViewDidFinishLoad:(UIWebView *)webView{
    NSLog(@"加载成功");
}
-(void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{
    NSLog(@"加载失败");
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>
{
    UITableView *_tableView;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self createUITableView];
}
-(void)createUITableView{
//    初始化并设置样式和frame
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    设置背景色
    _tableView.backgroundColor = [UIColor orangeColor];
    
//    设置代理
    _tableView.dataSource = self;
    _tableView.delegate = self;
    
    [self.view addSubview:_tableView];
    
//    设置tableView的头视图
    UIImageView *headerImageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 200)];
    headerImageView.image = [UIImage imageNamed:@"1.jpg"];
    _tableView.tableHeaderView = headerImageView;
//    设置tableView的脚视图
    UIImageView *footerImageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 200)];
    footerImageView.image = [UIImage imageNamed:@"2.jpg"];
    _tableView.tableFooterView = footerImageView;
}
#pragma mark - 
#pragma mark dataSource
//返回多少个分组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 2;
}
//返回每组有几行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    if (section == 0) {
        return 10;
    }
    return 15;
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    1.标识
    static NSString *identifier = @"cellID";
    
//    2.从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果从复用池中取不到cell,就创建新的
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
    }
    
    cell.textLabel.text = [NSString stringWithFormat:@"第%ld组-第%ld行",indexPath.section,indexPath.row];
    
    return cell;
}
#pragma mark -
#pragma mark delegate
////设置头标题
-(NSString*)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组头标题";
    }
    return @"第二组头标题";
}
//设置头标题高度
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
//    默认22
    return 40;
}
//设置分组脚标题
-(NSString*)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组脚标题";
    }
    return @"第二组脚标题";
}
//设置脚标题的高度
-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{
    return 40;
}
//返回自定义分组的头标和脚标，会把前面设置的标题覆盖
//必须设置头标题或头标题高度，否则本方法不生效
-(UIView*)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(0, 0, self.view.frame.size.width, 40);
    [button setTitle:@"分组标题" forState:UIControlStateNormal];
    button.backgroundColor = [UIColor purpleColor];
    [button addTarget:self action:@selector(onClick) forControlEvents:UIControlEventTouchUpInside];
    return button;
}
-(void)onClick{
    NSLog(@"点点点点点");
}
//必须设置脚标题或脚标题高度，否则本方法不生效
-(UIView*)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section{
    UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 40)];
    imageView.image = [UIImage imageNamed:@"6.jpg"];
    return imageView;
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
{
//    表格视图
    UITableView *_tableView;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
 
    [self createUITableView];
//    [_tableView performSelector:@selector(reloadData) withObject:nil afterDelay:5];
}
//创建UITableView
-(void)createUITableView{
    
//    初始化UITableView
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    UITableViewStylePlain, 平铺样式
//    UITableViewStyleGrouped 分组样式
    
//    背景色
    _tableView.backgroundColor = [UIColor orangeColor];
    
//    设置数据源代理
    _tableView.dataSource = self;
//    设置代理
    _tableView.delegate = self;
    
    [self.view addSubview:_tableView];
}
#pragma mark -
#pragma mark dataSource
//返回多少个分组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    NSLog(@"numberOfSectionsInTableView");
    return 2;
}
//每组有多少行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    NSLog(@"numberOfRowsInSection");
    if (section == 0) {
        return 10;
    }
    return 20;
    
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"cellForRowAtIndexPath");
//    indexPath
//    表示当cell在表格视图中的位置
//    indexPath.section 代表的是cell所在的分组
//    indexPath.row     代表的是cell所在分组的行的位置
    
    
//    1.表格的标识
    static NSString *identifier = @"cellID";
    
//    2.按照标识从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果在复用池中找不以Cell,就创建新的Cell
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
//        UITableViewCellStyleDefault,
//        UITableViewCellStyleValue1,
//        UITableViewCellStyleValue2,
//        UITableViewCellStyleSubtitle
    }
//    设置展示标题
    cell.textLabel.text = [NSString stringWithFormat:@"第%ld组",indexPath.section];
//    设置展示详细标题
    cell.detailTextLabel.text = [NSString stringWithFormat:@"第%ld行",indexPath.row];
//    设置展示图片
    cell.imageView.image = [UIImage imageNamed:@"1"];
    
//    附件按钮类型
    cell.accessoryType = UITableViewCellAccessoryDetailButton;
    
//    UITableViewCellAccessoryNone, 无样式
//    UITableViewCellAccessoryDisclosureIndicator箭头
//UITableViewCellAccessoryDetailDisclosureButton 箭头+信息按钮
//    UITableViewCellAccessoryCheckmark,对勾
//    UITableViewCellAccessoryDetailButton 信息按钮
    
//=============================================
//    UIView *accessView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 40, 40)];
//    accessView.backgroundColor = [UIColor blackColor];
////    设置自定义的附件视图
//    cell.accessoryView = accessView;
//=============================================
    
    
//    选中样式
    cell.selectionStyle = UITableViewCellSelectionStyleDefault;
//    UITableViewCellSelectionStyleNone,
//    UITableViewCellSelectionStyleBlue,
//    UITableViewCellSelectionStyleGray,
//    UITableViewCellSelectionStyleDefault
    
//    设置选中背景View
    UIView *BackgroundView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 50, 50)];
    BackgroundView.backgroundColor = [UIColor clearColor];
    cell.selectedBackgroundView = BackgroundView;
    
//    UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 44)];
//    imageView.image = [UIImage imageNamed:@"1"];
//    cell.selectedBackgroundView = imageView;
    
    return cell;
}

#pragma mark -
#pragma mark delegate
-(void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath{
    NSLog(@"点击了附件按钮");
}
//设置行高
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
//    默认行高 44
    return 80;
}
//设置分组的头标题
-(NSString*)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组组标题";
    }
    return @"第二组组标题";
}
//设置脚标题
-(NSString*)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组脚标";
    }
    return @"第二组脚标";
}
//组头的高度
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
//    默认高度是22
    return 40;
}
//组尾的高度
-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{
//    默认高度是22
    return 40;
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>
{
    UITableView *_tableView;
    NSMutableArray *_dataArray;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    [self createUITableView];
    [self createDataArray];
    
    self.navigationItem.rightBarButtonItem = self.editButtonItem;
}
//编辑按钮触发的方法
-(void)setEditing:(BOOL)editing animated:(BOOL)animated{
    NSLog(@"%d",editing);
//    重新调用父类的方法，处于Done字样时，editing=YES,处于Edit样式时，editing = NO.
    [super setEditing:editing animated:YES];
    
//    设置tableView的可编辑性
    [_tableView setEditing:editing animated:YES];
}
-(void)createUITableView{
//    初始化UITableView 设置样式和frame
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    设置背景色
    _tableView.backgroundColor = [UIColor orangeColor];
//    设置代理
    _tableView.dataSource = self;
    _tableView.delegate = self;
//    添加到视图
    [self.view addSubview:_tableView];
}
-(void)createDataArray{
    
    _dataArray = [NSMutableArray array];
    
//    数据源中要添加两组数据：删除的、增加的
    NSMutableArray *deleteArray = [NSMutableArray array];
    for (int i = 0 ; i < 10;  i ++) {
        NSString *deleteStr = [NSString stringWithFormat:@"被删除的第%d行",i];
        [deleteArray addObject:deleteStr];
    }
    NSMutableArray *insertArray = [NSMutableArray array];
    for (int i = 0 ; i < 10; i ++) {
        NSString *insertStr = [NSString stringWithFormat:@"增加的第%d行",i];
        [insertArray addObject:insertStr];
    }
    
    [_dataArray addObject:deleteArray];
    [_dataArray addObject:insertArray];
    NSLog(@"%@",_dataArray);
}
#pragma mark -
#pragma mark dataSource
//返回有多少组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return _dataArray.count;
}
//每组有多少行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    
    NSMutableArray *array = [_dataArray objectAtIndex:section];
    
    return array.count;
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//    1.定义标识
    static NSString *identifier = @"cellID";
//    2.从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果取不到cell,就创建新的cell
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
    }
    
//    cell.textLabel.text = _dataArray[indexPath.section][indexPath.row];
    
//    赋值
    cell.textLabel.text = [[_dataArray objectAtIndex:indexPath.section]objectAtIndex:indexPath.row];
    
    return cell;
}
#pragma mark -
#pragma mark delegate
//选中了哪一行
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"选中了哪一行");
    NSLog(@"第%ld组-第%ld行",indexPath.section,indexPath.row);
}
//反选
-(void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"didDeselectRowAtIndexPath");
    NSLog(@"----第%ld组-第%ld行",indexPath.section,indexPath.row);
}
//设置tableView 的编辑状态
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    UITableViewCellEditingStyleNone,无效果
//    UITableViewCellEditingStyleDelete,删除
//    UITableViewCellEditingStyleInsert 增加
    
    if (indexPath.section == 0) {
        return UITableViewCellEditingStyleDelete;
    }else{
        return UITableViewCellEditingStyleInsert;
    }
}
-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath{
    
    if (editingStyle == UITableViewCellEditingStyleDelete) {
//        删除当前对应行的数据源
        [[_dataArray objectAtIndex:indexPath.section]removeObjectAtIndex:indexPath.row];
        
//        [tableView reloadData];
//       刷新表
        [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
    }else{
        NSString *insertStr = @"我是新来的";
//        数据源添加新数据
        [[_dataArray objectAtIndex:indexPath.section] insertObject:insertStr atIndex:indexPath.row];
//        刷表
//        [tableView reloadData];
        [tableView insertRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
    }
}
//是否允许某一行被编辑
-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath{
//    if (indexPath.row % 2 == 0) {
//        return  YES;
//    }
//    return NO;
    return YES;
}
//移动要实现的方法
-(void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath{
//    sourceIndexPath 将要移动的cell的位置信息
//    destinationIndexPath 目的位置信息
    
//    根据sourceIndexPath.section来获得第section组的数据
    NSMutableArray *sourceArray = _dataArray[sourceIndexPath.section];
//    取出要移动cell所在行的数据
    NSString *sourceStr = sourceArray[sourceIndexPath.row];
//    删除要移动cell所在行的数据
    [sourceArray removeObjectAtIndex:sourceIndexPath.row];
    
//    根据destinationIndexPath.section来获取要插入的数组
    NSMutableArray *destinationArray = _dataArray[destinationIndexPath.section];
    
    [destinationArray insertObject:sourceStr atIndex:destinationIndexPath.row];
}
//能否移动
-(BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath{
    if (indexPath.section == 0) {
        return NO;
    }
    return YES;
}
@end

UISwitch

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#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
//    初始化并设置frame
    UIStepper *stepper = [[UIStepper alloc]initWithFrame:CGRectMake(100, 100, 100, 100)];
//    最小值
    stepper.minimumValue = 0;
    
//    最大值
    stepper.maximumValue = 10;
//    设置当前值
    stepper.value = 4;
//    设置每次+2或-2，默认是1
    stepper.stepValue = 2;
    
//    设置颜色
    [stepper setTintColor:[UIColor orangeColor]];
//    添加事件
    [stepper addTarget:self action:@selector(valueChange:) forControlEvents:UIControlEventValueChanged];
    
//    处理事件是否一直回调，默认是YES
    stepper.continuous = YES;
    
//    设置能否重复操作，默认是YES
    stepper.autorepeat = YES;
    
//    设置是否能循环，默认是NO
    stepper.wraps = YES;
    
    [self.view addSubview:stepper];
}
-(void)valueChange:(UIStepper*)stepper{
    NSLog(@"%lf",stepper.value);
}
@end

UIView传统动画方式

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#import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (void)viewDidLoad {
    [super viewDidLoad];
  
//    [self createUIView];
    
    [self creatBlockAnimation];
}
#pragma mark -
#pragma mark UIView的Block动画
-(void)creatBlockAnimation{
    UIView *myView = [[UIView alloc]initWithFrame:CGRectMake(50, 50, 100, 100)];
    myView.backgroundColor = [UIColor lightGrayColor];
    myView.tag = 10;
    [self.view addSubview:myView];
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(200, 50, 100, 100);
    button.backgroundColor = [UIColor lightGrayColor];
    [button setTitle:@"开始" forState:UIControlStateNormal];
    
    [button addTarget:self action:@selector(blockAnimation) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}
-(void)blockAnimation{
    UIView *myView = [self.view viewWithTag:10];
//    Duration：动画持续时间
//    block:你想要的操作
//    [UIView animateWithDuration:1 animations:^{
//        myView.frame = CGRectMake(50, 200, 50, 50);
//    }];
    
    
//Duration:动画持续时间
//animations：你想要的操作
//completion：动画结束后的操作
    [UIView animateWithDuration:1 animations:^{
        myView.frame = CGRectMake(50, 200, 50, 50);
    } completion:^(BOOL finished) {
        NSLog(@"动画结束");
            }];
    
  
    
    
    
    
    
}
#pragma mark - 
#pragma mark 传统的UIView动画
-(void)createUIView{
    UIView *myView = [[UIView alloc]initWithFrame:CGRectMake(50, 50, 100, 100)];
    myView.backgroundColor = [UIColor yellowColor];
    myView.tag = 10;
    [self.view addSubview:myView];
    
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(200, 50, 100, 100);
    button.backgroundColor = [UIColor lightGrayColor];
    [button setTitle:@"开始" forState:UIControlStateNormal];
    
    [button addTarget:self action:@selector(onClick) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}
-(void)onClick{
    UIView *myView = [self.view viewWithTag:10];
    
//    开始动画，第一个参数是动画名称，第二个传nil
    [UIView beginAnimations:@"animation" context:nil];
//    设置动画代理
    [UIView setAnimationDelegate:self];
//    设置动画延迟时间
    [UIView setAnimationDelay:1];
//    设置动画持续时间
    [UIView setAnimationDuration:2];
    
    //设置动画的线性表现
    /*
     UIViewAnimationCurveEaseInOut  在开头和结尾都减速处理
     UIViewAnimationCurveEaseIn     在开头做减速处理
     UIViewAnimationCurveEaseOut    在结尾做减速处理
     UIViewAnimationCurveLinear     这个应该是均分的处理
     */
    [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
//    设置动画的重复次数
    [UIView setAnimationRepeatCount:2];
    
    [UIView setAnimationRepeatAutoreverses:YES];
//    动画将要开始时调用的方法
    [UIView setAnimationWillStartSelector:@selector(animationWillStart)];
//    动画已经结束时调用的方法
    [UIView setAnimationDidStopSelector:@selector(animationDidStop)];
    
    myView.frame = CGRectMake(50, 200, 100, 100);
    
//    提交动画
    [UIView commitAnimations];
}
-(void)animationWillStart{
    NSLog(@"动画将要开始");
}
-(void)animationDidStop{
    NSLog(@"动画已经结束");
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>
{
    UITableView *_tableView;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self createUITableView];
}
-(void)createUITableView{
//    初始化并设置样式和frame
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    设置背景色
    _tableView.backgroundColor = [UIColor orangeColor];
    
//    设置代理
    _tableView.dataSource = self;
    _tableView.delegate = self;
    
    [self.view addSubview:_tableView];
    
//    设置tableView的头视图
    UIImageView *headerImageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 200)];
    headerImageView.image = [UIImage imageNamed:@"1.jpg"];
    _tableView.tableHeaderView = headerImageView;
//    设置tableView的脚视图
    UIImageView *footerImageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 200)];
    footerImageView.image = [UIImage imageNamed:@"2.jpg"];
    _tableView.tableFooterView = footerImageView;
}
#pragma mark - 
#pragma mark dataSource
//返回多少个分组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 2;
}
//返回每组有几行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    if (section == 0) {
        return 10;
    }
    return 15;
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    1.标识
    static NSString *identifier = @"cellID";
    
//    2.从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果从复用池中取不到cell,就创建新的
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
    }
    
    cell.textLabel.text = [NSString stringWithFormat:@"第%ld组-第%ld行",indexPath.section,indexPath.row];
    
    return cell;
}
#pragma mark -
#pragma mark delegate
////设置头标题
-(NSString*)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组头标题";
    }
    return @"第二组头标题";
}
//设置头标题高度
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
//    默认22
    return 40;
}
//设置分组脚标题
-(NSString*)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组脚标题";
    }
    return @"第二组脚标题";
}
//设置脚标题的高度
-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{
    return 40;
}
//返回自定义分组的头标和脚标，会把前面设置的标题覆盖
//必须设置头标题或头标题高度，否则本方法不生效
-(UIView*)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(0, 0, self.view.frame.size.width, 40);
    [button setTitle:@"分组标题" forState:UIControlStateNormal];
    button.backgroundColor = [UIColor purpleColor];
    [button addTarget:self action:@selector(onClick) forControlEvents:UIControlEventTouchUpInside];
    return button;
}
-(void)onClick{
    NSLog(@"点点点点点");
}
//必须设置脚标题或脚标题高度，否则本方法不生效
-(UIView*)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section{
    UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 40)];
    imageView.image = [UIImage imageNamed:@"6.jpg"];
    return imageView;
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
{
//    表格视图
    UITableView *_tableView;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
 
    [self createUITableView];
//    [_tableView performSelector:@selector(reloadData) withObject:nil afterDelay:5];
}
//创建UITableView
-(void)createUITableView{
    
//    初始化UITableView
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    UITableViewStylePlain, 平铺样式
//    UITableViewStyleGrouped 分组样式
    
//    背景色
    _tableView.backgroundColor = [UIColor orangeColor];
    
//    设置数据源代理
    _tableView.dataSource = self;
//    设置代理
    _tableView.delegate = self;
    
    [self.view addSubview:_tableView];
}
#pragma mark -
#pragma mark dataSource
//返回多少个分组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    NSLog(@"numberOfSectionsInTableView");
    return 2;
}
//每组有多少行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    NSLog(@"numberOfRowsInSection");
    if (section == 0) {
        return 10;
    }
    return 20;
    
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"cellForRowAtIndexPath");
//    indexPath
//    表示当cell在表格视图中的位置
//    indexPath.section 代表的是cell所在的分组
//    indexPath.row     代表的是cell所在分组的行的位置
    
    
//    1.表格的标识
    static NSString *identifier = @"cellID";
    
//    2.按照标识从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果在复用池中找不以Cell,就创建新的Cell
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
//        UITableViewCellStyleDefault,
//        UITableViewCellStyleValue1,
//        UITableViewCellStyleValue2,
//        UITableViewCellStyleSubtitle
    }
//    设置展示标题
    cell.textLabel.text = [NSString stringWithFormat:@"第%ld组",indexPath.section];
//    设置展示详细标题
    cell.detailTextLabel.text = [NSString stringWithFormat:@"第%ld行",indexPath.row];
//    设置展示图片
    cell.imageView.image = [UIImage imageNamed:@"1"];
    
//    附件按钮类型
    cell.accessoryType = UITableViewCellAccessoryDetailButton;
    
//    UITableViewCellAccessoryNone, 无样式
//    UITableViewCellAccessoryDisclosureIndicator箭头
//UITableViewCellAccessoryDetailDisclosureButton 箭头+信息按钮
//    UITableViewCellAccessoryCheckmark,对勾
//    UITableViewCellAccessoryDetailButton 信息按钮
    
//=============================================
//    UIView *accessView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 40, 40)];
//    accessView.backgroundColor = [UIColor blackColor];
////    设置自定义的附件视图
//    cell.accessoryView = accessView;
//=============================================
    
    
//    选中样式
    cell.selectionStyle = UITableViewCellSelectionStyleDefault;
//    UITableViewCellSelectionStyleNone,
//    UITableViewCellSelectionStyleBlue,
//    UITableViewCellSelectionStyleGray,
//    UITableViewCellSelectionStyleDefault
    
//    设置选中背景View
    UIView *BackgroundView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 50, 50)];
    BackgroundView.backgroundColor = [UIColor clearColor];
    cell.selectedBackgroundView = BackgroundView;
    
//    UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 44)];
//    imageView.image = [UIImage imageNamed:@"1"];
//    cell.selectedBackgroundView = imageView;
    
    return cell;
}

#pragma mark -
#pragma mark delegate
-(void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath{
    NSLog(@"点击了附件按钮");
}
//设置行高
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
//    默认行高 44
    return 80;
}
//设置分组的头标题
-(NSString*)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组组标题";
    }
    return @"第二组组标题";
}
//设置脚标题
-(NSString*)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组脚标";
    }
    return @"第二组脚标";
}
//组头的高度
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
//    默认高度是22
    return 40;
}
//组尾的高度
-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{
//    默认高度是22
    return 40;
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>
{
    UITableView *_tableView;
    NSMutableArray *_dataArray;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    [self createUITableView];
    [self createDataArray];
    
    self.navigationItem.rightBarButtonItem = self.editButtonItem;
}
//编辑按钮触发的方法
-(void)setEditing:(BOOL)editing animated:(BOOL)animated{
    NSLog(@"%d",editing);
//    重新调用父类的方法，处于Done字样时，editing=YES,处于Edit样式时，editing = NO.
    [super setEditing:editing animated:YES];
    
//    设置tableView的可编辑性
    [_tableView setEditing:editing animated:YES];
}
-(void)createUITableView{
//    初始化UITableView 设置样式和frame
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    设置背景色
    _tableView.backgroundColor = [UIColor orangeColor];
//    设置代理
    _tableView.dataSource = self;
    _tableView.delegate = self;
//    添加到视图
    [self.view addSubview:_tableView];
}
-(void)createDataArray{
    
    _dataArray = [NSMutableArray array];
    
//    数据源中要添加两组数据：删除的、增加的
    NSMutableArray *deleteArray = [NSMutableArray array];
    for (int i = 0 ; i < 10;  i ++) {
        NSString *deleteStr = [NSString stringWithFormat:@"被删除的第%d行",i];
        [deleteArray addObject:deleteStr];
    }
    NSMutableArray *insertArray = [NSMutableArray array];
    for (int i = 0 ; i < 10; i ++) {
        NSString *insertStr = [NSString stringWithFormat:@"增加的第%d行",i];
        [insertArray addObject:insertStr];
    }
    
    [_dataArray addObject:deleteArray];
    [_dataArray addObject:insertArray];
    NSLog(@"%@",_dataArray);
}
#pragma mark -
#pragma mark dataSource
//返回有多少组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return _dataArray.count;
}
//每组有多少行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    
    NSMutableArray *array = [_dataArray objectAtIndex:section];
    
    return array.count;
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//    1.定义标识
    static NSString *identifier = @"cellID";
//    2.从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果取不到cell,就创建新的cell
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
    }
    
//    cell.textLabel.text = _dataArray[indexPath.section][indexPath.row];
    
//    赋值
    cell.textLabel.text = [[_dataArray objectAtIndex:indexPath.section]objectAtIndex:indexPath.row];
    
    return cell;
}
#pragma mark -
#pragma mark delegate
//选中了哪一行
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"选中了哪一行");
    NSLog(@"第%ld组-第%ld行",indexPath.section,indexPath.row);
}
//反选
-(void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"didDeselectRowAtIndexPath");
    NSLog(@"----第%ld组-第%ld行",indexPath.section,indexPath.row);
}
//设置tableView 的编辑状态
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    UITableViewCellEditingStyleNone,无效果
//    UITableViewCellEditingStyleDelete,删除
//    UITableViewCellEditingStyleInsert 增加
    
    if (indexPath.section == 0) {
        return UITableViewCellEditingStyleDelete;
    }else{
        return UITableViewCellEditingStyleInsert;
    }
}
-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath{
    
    if (editingStyle == UITableViewCellEditingStyleDelete) {
//        删除当前对应行的数据源
        [[_dataArray objectAtIndex:indexPath.section]removeObjectAtIndex:indexPath.row];
        
//        [tableView reloadData];
//       刷新表
        [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
    }else{
        NSString *insertStr = @"我是新来的";
//        数据源添加新数据
        [[_dataArray objectAtIndex:indexPath.section] insertObject:insertStr atIndex:indexPath.row];
//        刷表
//        [tableView reloadData];
        [tableView insertRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
    }
}
//是否允许某一行被编辑
-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath{
//    if (indexPath.row % 2 == 0) {
//        return  YES;
//    }
//    return NO;
    return YES;
}
//移动要实现的方法
-(void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath{
//    sourceIndexPath 将要移动的cell的位置信息
//    destinationIndexPath 目的位置信息
    
//    根据sourceIndexPath.section来获得第section组的数据
    NSMutableArray *sourceArray = _dataArray[sourceIndexPath.section];
//    取出要移动cell所在行的数据
    NSString *sourceStr = sourceArray[sourceIndexPath.row];
//    删除要移动cell所在行的数据
    [sourceArray removeObjectAtIndex:sourceIndexPath.row];
    
//    根据destinationIndexPath.section来获取要插入的数组
    NSMutableArray *destinationArray = _dataArray[destinationIndexPath.section];
    
    [destinationArray insertObject:sourceStr atIndex:destinationIndexPath.row];
}
//能否移动
-(BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath{
    if (indexPath.section == 0) {
        return NO;
    }
    return YES;
}
@end

UITableView

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#import "ViewController.h"

@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>//遵守协议
{
//    表格视图
    UITableView *_tableView;
    
    
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self createUITableView];
}
//创建UITableView
-(void)createUITableView{
    
    
//    UITableViewStylePlain,
//    UITableViewStyleGrouped
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
    
//    dataSource处理数据源相关
    _tableView.dataSource = self;
//    delegate处理移动、点击等
    _tableView.delegate = self;
    
//    设置背景色
    _tableView.backgroundColor = [UIColor orangeColor];
    
//    设置分隔线颜色
    _tableView.separatorColor = [UIColor blueColor];
    
    [self.view addSubview:_tableView];
    
}
#pragma mark -
#pragma mark dataSource delegate
//返回有多少个分组
//如果不实现该方法，就返回一组（默认是1）
//这个不是必须要实现的
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 1;
}

//每组有多少行
//必须实现
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return 20;
}
//表格视图的信息
//必须实现
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    1.表格的标识
    static NSString *identifier = @"cellID";
//    2.按照标识在tableView的复用池中查找Cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
    /*
        复用池的作用：
     当UITableViewCell滑出屏幕时，不会被销毁，而是放到tableView的复用池中。
     当新的Cell要出现在屏幕上时，先在复用池中查看有没有相同标识的Cell，如果有，就直接刷新数据使用。如果没有，就创建新的
     
     假如一个界面上有多个UITableView，每个tableView有自己的复用池
     */
//    3.如果复用池中找不到Cell，就自己创建
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
        
        static int a = 0;
        NSLog(@"%d",a++);
    }
    
//    给cell赋值
    cell.textLabel.text = @"cell";
    
//    4.返回cell
    return cell;
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>
{
    UITableView *_tableView;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self createUITableView];
}
-(void)createUITableView{
//    初始化并设置样式和frame
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    设置背景色
    _tableView.backgroundColor = [UIColor orangeColor];
    
//    设置代理
    _tableView.dataSource = self;
    _tableView.delegate = self;
    
    [self.view addSubview:_tableView];
    
//    设置tableView的头视图
    UIImageView *headerImageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 200)];
    headerImageView.image = [UIImage imageNamed:@"1.jpg"];
    _tableView.tableHeaderView = headerImageView;
//    设置tableView的脚视图
    UIImageView *footerImageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 200)];
    footerImageView.image = [UIImage imageNamed:@"2.jpg"];
    _tableView.tableFooterView = footerImageView;
}
#pragma mark - 
#pragma mark dataSource
//返回多少个分组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 2;
}
//返回每组有几行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    if (section == 0) {
        return 10;
    }
    return 15;
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    1.标识
    static NSString *identifier = @"cellID";
    
//    2.从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果从复用池中取不到cell,就创建新的
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
    }
    
    cell.textLabel.text = [NSString stringWithFormat:@"第%ld组-第%ld行",indexPath.section,indexPath.row];
    
    return cell;
}
#pragma mark -
#pragma mark delegate
////设置头标题
-(NSString*)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组头标题";
    }
    return @"第二组头标题";
}
//设置头标题高度
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
//    默认22
    return 40;
}
//设置分组脚标题
-(NSString*)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组脚标题";
    }
    return @"第二组脚标题";
}
//设置脚标题的高度
-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{
    return 40;
}
//返回自定义分组的头标和脚标，会把前面设置的标题覆盖
//必须设置头标题或头标题高度，否则本方法不生效
-(UIView*)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(0, 0, self.view.frame.size.width, 40);
    [button setTitle:@"分组标题" forState:UIControlStateNormal];
    button.backgroundColor = [UIColor purpleColor];
    [button addTarget:self action:@selector(onClick) forControlEvents:UIControlEventTouchUpInside];
    return button;
}
-(void)onClick{
    NSLog(@"点点点点点");
}
//必须设置脚标题或脚标题高度，否则本方法不生效
-(UIView*)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section{
    UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 40)];
    imageView.image = [UIImage imageNamed:@"6.jpg"];
    return imageView;
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
{
//    表格视图
    UITableView *_tableView;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
 
    [self createUITableView];
//    [_tableView performSelector:@selector(reloadData) withObject:nil afterDelay:5];
}
//创建UITableView
-(void)createUITableView{
    
//    初始化UITableView
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    UITableViewStylePlain, 平铺样式
//    UITableViewStyleGrouped 分组样式
    
//    背景色
    _tableView.backgroundColor = [UIColor orangeColor];
    
//    设置数据源代理
    _tableView.dataSource = self;
//    设置代理
    _tableView.delegate = self;
    
    [self.view addSubview:_tableView];
}
#pragma mark -
#pragma mark dataSource
//返回多少个分组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    NSLog(@"numberOfSectionsInTableView");
    return 2;
}
//每组有多少行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    NSLog(@"numberOfRowsInSection");
    if (section == 0) {
        return 10;
    }
    return 20;
    
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"cellForRowAtIndexPath");
//    indexPath
//    表示当cell在表格视图中的位置
//    indexPath.section 代表的是cell所在的分组
//    indexPath.row     代表的是cell所在分组的行的位置
    
    
//    1.表格的标识
    static NSString *identifier = @"cellID";
    
//    2.按照标识从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果在复用池中找不以Cell,就创建新的Cell
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
//        UITableViewCellStyleDefault,
//        UITableViewCellStyleValue1,
//        UITableViewCellStyleValue2,
//        UITableViewCellStyleSubtitle
    }
//    设置展示标题
    cell.textLabel.text = [NSString stringWithFormat:@"第%ld组",indexPath.section];
//    设置展示详细标题
    cell.detailTextLabel.text = [NSString stringWithFormat:@"第%ld行",indexPath.row];
//    设置展示图片
    cell.imageView.image = [UIImage imageNamed:@"1"];
    
//    附件按钮类型
    cell.accessoryType = UITableViewCellAccessoryDetailButton;
    
//    UITableViewCellAccessoryNone, 无样式
//    UITableViewCellAccessoryDisclosureIndicator箭头
//UITableViewCellAccessoryDetailDisclosureButton 箭头+信息按钮
//    UITableViewCellAccessoryCheckmark,对勾
//    UITableViewCellAccessoryDetailButton 信息按钮
    
//=============================================
//    UIView *accessView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 40, 40)];
//    accessView.backgroundColor = [UIColor blackColor];
////    设置自定义的附件视图
//    cell.accessoryView = accessView;
//=============================================
    
    
//    选中样式
    cell.selectionStyle = UITableViewCellSelectionStyleDefault;
//    UITableViewCellSelectionStyleNone,
//    UITableViewCellSelectionStyleBlue,
//    UITableViewCellSelectionStyleGray,
//    UITableViewCellSelectionStyleDefault
    
//    设置选中背景View
    UIView *BackgroundView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 50, 50)];
    BackgroundView.backgroundColor = [UIColor clearColor];
    cell.selectedBackgroundView = BackgroundView;
    
//    UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 44)];
//    imageView.image = [UIImage imageNamed:@"1"];
//    cell.selectedBackgroundView = imageView;
    
    return cell;
}

#pragma mark -
#pragma mark delegate
-(void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath{
    NSLog(@"点击了附件按钮");
}
//设置行高
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
//    默认行高 44
    return 80;
}
//设置分组的头标题
-(NSString*)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组组标题";
    }
    return @"第二组组标题";
}
//设置脚标题
-(NSString*)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section{
    if (section == 0) {
        return @"第一组脚标";
    }
    return @"第二组脚标";
}
//组头的高度
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
//    默认高度是22
    return 40;
}
//组尾的高度
-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{
//    默认高度是22
    return 40;
}
@end
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#import "ViewController.h"

@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>
{
    UITableView *_tableView;
    NSMutableArray *_dataArray;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    [self createUITableView];
    [self createDataArray];
    
    self.navigationItem.rightBarButtonItem = self.editButtonItem;
}
//编辑按钮触发的方法
-(void)setEditing:(BOOL)editing animated:(BOOL)animated{
    NSLog(@"%d",editing);
//    重新调用父类的方法，处于Done字样时，editing=YES,处于Edit样式时，editing = NO.
    [super setEditing:editing animated:YES];
    
//    设置tableView的可编辑性
    [_tableView setEditing:editing animated:YES];
}
-(void)createUITableView{
//    初始化UITableView 设置样式和frame
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    设置背景色
    _tableView.backgroundColor = [UIColor orangeColor];
//    设置代理
    _tableView.dataSource = self;
    _tableView.delegate = self;
//    添加到视图
    [self.view addSubview:_tableView];
}
-(void)createDataArray{
    
    _dataArray = [NSMutableArray array];
    
//    数据源中要添加两组数据：删除的、增加的
    NSMutableArray *deleteArray = [NSMutableArray array];
    for (int i = 0 ; i < 10;  i ++) {
        NSString *deleteStr = [NSString stringWithFormat:@"被删除的第%d行",i];
        [deleteArray addObject:deleteStr];
    }
    NSMutableArray *insertArray = [NSMutableArray array];
    for (int i = 0 ; i < 10; i ++) {
        NSString *insertStr = [NSString stringWithFormat:@"增加的第%d行",i];
        [insertArray addObject:insertStr];
    }
    
    [_dataArray addObject:deleteArray];
    [_dataArray addObject:insertArray];
    NSLog(@"%@",_dataArray);
}
#pragma mark -
#pragma mark dataSource
//返回有多少组
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return _dataArray.count;
}
//每组有多少行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    
    NSMutableArray *array = [_dataArray objectAtIndex:section];
    
    return array.count;
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//    1.定义标识
    static NSString *identifier = @"cellID";
//    2.从tableView复用池中取cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
//    3.如果取不到cell,就创建新的cell
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
    }
    
//    cell.textLabel.text = _dataArray[indexPath.section][indexPath.row];
    
//    赋值
    cell.textLabel.text = [[_dataArray objectAtIndex:indexPath.section]objectAtIndex:indexPath.row];
    
    return cell;
}
#pragma mark -
#pragma mark delegate
//选中了哪一行
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"选中了哪一行");
    NSLog(@"第%ld组-第%ld行",indexPath.section,indexPath.row);
}
//反选
-(void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"didDeselectRowAtIndexPath");
    NSLog(@"----第%ld组-第%ld行",indexPath.section,indexPath.row);
}
//设置tableView 的编辑状态
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    UITableViewCellEditingStyleNone,无效果
//    UITableViewCellEditingStyleDelete,删除
//    UITableViewCellEditingStyleInsert 增加
    
    if (indexPath.section == 0) {
        return UITableViewCellEditingStyleDelete;
    }else{
        return UITableViewCellEditingStyleInsert;
    }
}
-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath{
    
    if (editingStyle == UITableViewCellEditingStyleDelete) {
//        删除当前对应行的数据源
        [[_dataArray objectAtIndex:indexPath.section]removeObjectAtIndex:indexPath.row];
        
//        [tableView reloadData];
//       刷新表
        [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
    }else{
        NSString *insertStr = @"我是新来的";
//        数据源添加新数据
        [[_dataArray objectAtIndex:indexPath.section] insertObject:insertStr atIndex:indexPath.row];
//        刷表
//        [tableView reloadData];
        [tableView insertRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
    }
}
//是否允许某一行被编辑
-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath{
//    if (indexPath.row % 2 == 0) {
//        return  YES;
//    }
//    return NO;
    return YES;
}
//移动要实现的方法
-(void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath{
//    sourceIndexPath 将要移动的cell的位置信息
//    destinationIndexPath 目的位置信息
    
//    根据sourceIndexPath.section来获得第section组的数据
    NSMutableArray *sourceArray = _dataArray[sourceIndexPath.section];
//    取出要移动cell所在行的数据
    NSString *sourceStr = sourceArray[sourceIndexPath.row];
//    删除要移动cell所在行的数据
    [sourceArray removeObjectAtIndex:sourceIndexPath.row];
    
//    根据destinationIndexPath.section来获取要插入的数组
    NSMutableArray *destinationArray = _dataArray[destinationIndexPath.section];
    
    [destinationArray insertObject:sourceStr atIndex:destinationIndexPath.row];
}
//能否移动
-(BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath{
    if (indexPath.section == 0) {
        return NO;
    }
    return YES;
}
@end

UIStepper

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#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
//    初始化并设置frame
    UIStepper *stepper = [[UIStepper alloc]initWithFrame:CGRectMake(100, 100, 100, 100)];
//    最小值
    stepper.minimumValue = 0;
    
//    最大值
    stepper.maximumValue = 10;
//    设置当前值
    stepper.value = 4;
//    设置每次+2或-2，默认是1
    stepper.stepValue = 2;
    
//    设置颜色
    [stepper setTintColor:[UIColor orangeColor]];
//    添加事件
    [stepper addTarget:self action:@selector(valueChange:) forControlEvents:UIControlEventValueChanged];
    
//    处理事件是否一直回调，默认是YES
    stepper.continuous = YES;
    
//    设置能否重复操作，默认是YES
    stepper.autorepeat = YES;
    
//    设置是否能循环，默认是NO
    stepper.wraps = YES;
    
    [self.view addSubview:stepper];
}
-(void)valueChange:(UIStepper*)stepper{
    NSLog(@"%lf",stepper.value);
}
@end

UISlider

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#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
//    slider高度是固定的
    UISlider *slider = [[UISlider alloc]initWithFrame:CGRectMake(100, 100, 200, 30)];
    slider.tag = 10;
//    最小值
    slider.minimumValue = 0;
//    最大值
    slider.maximumValue = 255;
//    设置当前值
    slider.value = 200;
    
//    未滑动到的颜色
    slider.maximumTrackTintColor = [UIColor greenColor];
//    已经滑动过的颜色
    slider.minimumTrackTintColor = [UIColor orangeColor];
//    小球（滑块）颜色
    slider.thumbTintColor = [UIColor blackColor];
//    设置图片
//    最左端图片
    slider.minimumValueImage = [UIImage imageNamed:@"blackHeart"];
//   最右端图片
    slider.maximumValueImage = [UIImage imageNamed:@"redHeart"];
//    设置滑块正常状态下的图片
    [slider setThumbImage:[UIImage imageNamed:@"blackHeart"] forState:UIControlStateNormal];
//    设置滑块高亮状态下的图片
    [slider setThumbImage:[UIImage imageNamed:@"redHeart"] forState:UIControlStateHighlighted];
    
    [slider addTarget:self action:@selector(valueChange:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:slider];
    
    UISlider *greenSlider = [[UISlider alloc]initWithFrame:CGRectMake(100, 200, 200, 80)];
    greenSlider.tag = 11;
    greenSlider.minimumValue = 0;
    greenSlider.maximumValue = 255;
    [greenSlider addTarget:self action:@selector(valueChange:) forControlEvents:UIControlEventValueChanged];
    
    [self.view addSubview:greenSlider];
    
    UISlider *blueSlider = [[UISlider alloc]initWithFrame:CGRectMake(100, 300, 200, 100)];
    blueSlider.tag = 12;
    blueSlider.minimumValue = 0;
    blueSlider.maximumValue = 255;
    [blueSlider addTarget:self action:@selector(valueChange:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:blueSlider];
}
-(void)valueChange:(UISlider*)slider{
    NSLog(@"---%lf",slider.value);
    UISlider *redSlider = (UISlider *)[self.view viewWithTag:10];
    UISlider *greenSlider = (UISlider *)[self.view viewWithTag:11];
    UISlider *blueSlider = (UISlider *)[self.view viewWithTag:12];
    
    [self.view setBackgroundColor:[UIColor colorWithRed:redSlider.value/255.0 green:greenSlider.value/255.0 blue:blueSlider.value/255.0 alpha:1.0]];
    

}

@end

UIsegementControl

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#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
//    初始化UISegmentedControl
    UISegmentedControl *segmentControl = [[UISegmentedControl alloc]initWithFrame:CGRectMake(100, 100, 200, 50)];
//    设置背景色
    segmentControl.backgroundColor = [UIColor yellowColor];
//    添加第一段
    [segmentControl insertSegmentWithTitle:@"第一段" atIndex:0 animated:YES];
//    添加第二段
    [segmentControl insertSegmentWithTitle:@"第二段" atIndex:1 animated:YES];
//    添加第三段
//    设置文字和图片，谁在后面，显示谁
    [segmentControl insertSegmentWithTitle:@"第三段" atIndex:2 animated:YES];
    
    UIImage *image = [UIImage imageNamed:@"qq"];
//    显示原始图片
    image = [image imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
//    [segmentControl insertSegmentWithImage: image atIndex:2 animated:YES];
    [segmentControl setImage:image forSegmentAtIndex:2];
    
 
//    选中颜色
    segmentControl.tintColor = [UIColor redColor];
//    设置选中某一段
    segmentControl.selectedSegmentIndex = 1;
    
//    获取某一段的title
    NSString *title = [segmentControl titleForSegmentAtIndex:1];
    NSLog(@"title = %@",title);
//    添加响应事件
    [segmentControl addTarget:self action:@selector(valueChange:) forControlEvents:UIControlEventValueChanged];
    
    [self.view addSubview:segmentControl];
    
}
-(void)valueChange:(UISegmentedControl*)seg{

    NSInteger index = seg.selectedSegmentIndex;
    switch (index) {
        case 0:{
            NSLog(@"0");
            
            UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"还钱" delegate:self cancelButtonTitle:@"确定" otherButtonTitles:@"不还", nil];
            [alert show];
        }
            break;
        case 1:
            NSLog(@"1");
            break;
        case 2:
            NSLog(@"2");
            break;
            
        default:
            break;
    }
}

@end

Transform形变

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#import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
//    [self transform];
    [self lastTransform];
}
#
-(void)lastTransform{
    UIView *changeView = [[UIView alloc]initWithFrame:CGRectMake(100, 100, 100, 100)];
    changeView.tag = 20;
    changeView.backgroundColor = [UIColor yellowColor];
    [self.view addSubview:changeView];
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(50, 50, 50, 50);
    button.backgroundColor = [UIColor blueColor];
    [button addTarget:self action:@selector(onClick) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}
-(void)onClick{
    
//     仿射变化
//    通过center bounds transform来控制要显示的内容
    UIView *changeView = [self.view viewWithTag:20];
//    在上次形变的基础上，继续形变
    changeView.transform = CGAffineTransformTranslate(changeView.transform, 10, 0);
    
//    旋转
   CGFloat angle = [self getAgreeFromDegree:10];
    changeView.transform = CGAffineTransformRotate(changeView.transform, angle);

//    缩放
//    changeView.transform = CGAffineTransformScale(changeView.transform, 0.9, 1.0);
    NSLog(@"%@",NSStringFromCGRect(changeView.frame));
    NSLog(@"%f",changeView.bounds.size.width);
    NSLog(@"%f",changeView.bounds.size.height);
    NSLog(@"%f",changeView.center.x);
    NSLog(@"%f",changeView.center.y);
    
}
#pragma mark -
#pragma mark 形变
//形变
-(void)transform{
    UIView *changeView = [[UIView alloc]initWithFrame:CGRectMake(100, 100, 100, 100)];
    
    UIView *view1 = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 10, 10)];
    [view1 setBackgroundColor:[UIColor blueColor]];
    [changeView addSubview:view1];
   
    changeView.backgroundColor = [UIColor yellowColor];
    
//    平移
    changeView.transform = CGAffineTransformMakeTranslation(0, 100);
//    缩放
//    changeView.transform = CGAffineTransformMakeScale(0.5, 1.0);

//    旋转
//    传入的值为正值时，顺时针转动
    CGFloat angle = [self getAgreeFromDegree:20];
    changeView.transform = CGAffineTransformMakeRotation(angle);
    
    [self.view addSubview:changeView];
}
-(CGFloat)getAgreeFromDegree:(CGFloat)degree{
    CGFloat agree = degree * M_PI / 180;
    return agree;
}
//创建一个UIView
-(void)createUIView{
//    初始化UIView
    UIView *orangeView = [[UIView alloc]init];
//    设置背景色
    orangeView.backgroundColor = [UIColor orangeColor];
//    设置frame
    orangeView.frame = CGRectMake(0, 0, 100, 100);
//    设置center
    orangeView.center = CGPointMake(0, 0);
    orangeView.center = self.view.center;
    
//    添加到视图
    [self.view addSubview:orangeView];
}

@end

UIActionSheet

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#import "ViewController.h"

@interface ViewController ()<UIActionSheetDelegate>

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
//    初始化
    UIActionSheet *sheet = [[UIActionSheet alloc]initWithTitle:@"分享" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"删除" otherButtonTitles:@"微博分享",@"微信分享",@"QQ分享", nil];
//    显示在指定的view上
    [sheet showInView:self.view];
}
-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
//    在这里做事件处理
    switch (buttonIndex) {
        case 0:
            NSLog(@"%ld",buttonIndex);
            break;
        case 1:
            NSLog(@"%ld",buttonIndex);
            break;
        case 2:
            NSLog(@"%ld",buttonIndex);
            break;
        case 3:
            NSLog(@"%ld",buttonIndex);
            break;
        case 4:
            NSLog(@"%ld",buttonIndex);
            break;
            
            
        default:
            break;
    }
}
@end

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