最终效果图

BeyondViewController.h

//
//  BeyondViewController.h
//  6_ToolBar
//
//  Created by beyond on 14-7-24.
//  Copyright (c) 2014年 com.beyond. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface BeyondViewController : UIViewController
- (IBAction)addClick:(UIBarButtonItem *)sender;
- (IBAction)removeClick:(UIBarButtonItem *)sender;
@property (weak, nonatomic) IBOutlet UIBarButtonItem *trashItem;
// 从xib界面中拖过来的,前提是设置界面中的file 's owner 为当前控制器类,并且,在代码中加载nib的时候,也要指明owner是当前控制器类的实例对象,一般写self或者空
- (IBAction)deleteBtnClick:(UIButton *)sender;
- (IBAction)headBtnClick:(UIButton *)sender;

@end

BeyondViewController.m

//
//  BeyondViewController.m
//  6_ToolBar
//
//  Created by beyond on 14-7-24.
//  Copyright (c) 2014年 com.beyond. All rights reserved.
//

#import "BeyondViewController.h"
#import "RowView.h"
#define kRowHight 65
// 类扩展 class extension 也叫匿名分类
@interface BeyondViewController ()
{
    // 成员,数组,由姓名组成
    NSArray *_array_name;
    // 数组取值时的索引,与图片名挂钩
    int _index;
}

@end

@implementation BeyondViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    _array_name =@[@"林黛玉",@"薛宝钗",@"妙玉",@"史湘云",@"探春",@"晴雯",@"nana"];
	_index = 0;
}


- (IBAction)addClick:(UIBarButtonItem *)sender {
    // 调用自定义方法,通过代码创建一行rowView
    // UIView *rowView = [self createRowViewByCoding];
    
    // 调用自定义方法,通过xib创建一行rowView
    UIView *rowView = [self createRowViewByXcodeInterfaceBuilding];
    
    // 调用自定义方法,通过RowView的类方法,返回一个RowView的实例对象
    // UIView *rowView = [self createRowViewByXIB];
    
    // 3,添加到当前控制器的view
    [self.view addSubview:rowView];
    // 5,动画效果
    [UIView animateWithDuration:0.2 animations:^{
        // 以下三步为OC标准代码,因为OC中不允许直接修该对象中结构体属性的成员的值,要通过中间的临时结构体变量
        CGRect frame = rowView.frame;
        frame.origin.x = 0;
        rowView.frame=frame;
        rowView.alpha = 1;
    } completion:^(BOOL finished) {
        // 4,置删除按钮为可用
        _trashItem.enabled = YES;
    }];
}
// 用xib创建一行 rowView,xib <--> nib   ipa <-->apk
- (UIView *)createRowViewByXIB
{
    // 如果添加到了数组最后一张,从头开始添加
    if (_index >= _array_name.count) {
        _index = 0;
    }
    
    
    // 下面先计算3个参数,图片名,姓名,rowView要显示的frame的Y坐标
    NSString *imgName = [NSString stringWithFormat:@"%d.png",_index];
    NSString *labelName = _array_name[_index];
    // 新添加一行的y值 取决于view中最后一个子控件的y + height + 1
    UIView *lastView = self.view.subviews.lastObject;
    CGFloat rowY = lastView.frame.origin.y + lastView.frame.size.height+1;
    
    // 调用类方法,返回一个创建好了的rowView
    RowView *rowView = [RowView rowViewWithHeadName:imgName andLabelName:labelName andRowY:rowY];
    
    // 为下一次添加行作准备
    _index++;
    return rowView;
}
// 用xib创建一行 rowView,xib <--> nib   ipa <-->apk
- (UIView *)createRowViewByXcodeInterfaceBuilding
{
    // mainBundel加载xib,扩展名不用写.xib  owner为nil时,手动addTarget,若为xib界面中file's owner指定的class的实例对象时,填self,这样就可以直接拖线
    // 1,xib界面中file's owner指定的类class,目的仅仅是右击界面时,可以弹出连线
    // 2,进行连线
    // 3,代码loadNibNamed中指定owner为哪个实例对象,相当于addTarget中的第一个参数
    NSArray *arrayXibObjects = [[NSBundle mainBundle] loadNibNamed:@"rowView" owner:self options:nil];
    UIView *rowView = arrayXibObjects[0];
    // 新添加一行的y值 取决于view中最后一个子控件的y + height + 1
    UIView *lastView = self.view.subviews.lastObject;
    CGFloat rowY = lastView.frame.origin.y + lastView.frame.size.height+1;
    rowView.backgroundColor = [UIColor grayColor];
    CGFloat winWidth = self.view.frame.size.width;
    rowView.frame = CGRectMake(320, rowY,winWidth, kRowHight);
    rowView.alpha = 0;
    
    
    // 如果添加到了数组最后一张,从头开始添加
    if (_index >= _array_name.count) {
        _index = 0;
    }
    
    // 2,设置label内容
    UILabel *name = (UILabel *)[rowView viewWithTag:1];
    
    name.text = _array_name[_index];
    
    // 3,设置headBtn内容
    UIButton *btn = (UIButton *)[rowView viewWithTag:2];
    NSString *imgName = [NSString stringWithFormat:@"%d.png",_index];
    UIImage *img = [UIImage imageNamed:imgName];
    [btn setImage:img forState:UIControlStateNormal];
    // 为按钮添加点击事件
    // [btn addTarget:self action:@selector(headBtnClick:) forControlEvents:UIControlEventTouchUpInside];
    
    // 4,设置deleteBtn内容
    UIButton *del = (UIButton *)[rowView viewWithTag:3];
    // 为删除按钮添加点击事件
    [del addTarget:self action:@selector(deleteBtnClick:) forControlEvents:UIControlEventTouchUpInside];
    
    // 为下一次添加行作准备
    _index++;
    return rowView;
}
// 用代码创建一行 rowView
- (UIView *)createRowViewByCoding
{
    // 如果添加到了数组最后一张,从头开始添加
    if (_index >= _array_name.count) {
        _index = 0;
    }
    // 添加一行,实为view,view中左边是头像,右边是名字
    UIView *rowView = [[UIView alloc]init];
    // 新添加一行的y值 取决于view中最后一个子控件的y + height + 1
    UIView *lastView = self.view.subviews.lastObject;
    CGFloat rowY = lastView.frame.origin.y + lastView.frame.size.height+1;
    rowView.backgroundColor = [UIColor grayColor];
    CGFloat winWidth = self.view.frame.size.width;
    rowView.frame = CGRectMake(320, rowY,winWidth, kRowHight);
    rowView.alpha = 0;
    // 2,添加label到view
    UILabel *name = [[UILabel alloc]init];
    name.frame = CGRectMake(0, 0, 320, kRowHight);
    name.backgroundColor = [UIColor clearColor];
    name.textAlignment = NSTextAlignmentCenter;
    name.tag = 1; //方便后面点击头像按钮时,得到兄弟标签即姓名
    // 随机索引,取姓名,取图片用的
    //int randIndex = arc4random_uniform(_array_name.count);
    //name.text = _array_name[randIndex];
    name.text = _array_name[_index];
    [rowView addSubview:name];
    
//    3,添加头像到view
//    UIImage *img = [UIImage imageNamed:@"nana.jpg"];
//    UIImageView *head = [[UIImageView alloc]initWithImage:img];
//    head.frame = CGRectMake(0, 0,50, 50);
//    [rowView addSubview:head];
    
    // 3,添加头像按钮到view
    UIButton *btn = [[UIButton alloc]init];
    btn.frame = CGRectMake(0, 0,65, kRowHight);
    NSString *imgName = [NSString stringWithFormat:@"%d.png",_index];
    UIImage *img = [UIImage imageNamed:imgName];
    [btn setImage:img forState:UIControlStateNormal];
    // 为按钮添加点击事件
    [btn addTarget:self action:@selector(headBtnClick:) forControlEvents:UIControlEventTouchUpInside];
    [rowView addSubview:btn];
    
    // 4,添加删除按钮到view
    UIButton *del = [[UIButton alloc]init];
    del.frame = CGRectMake(260, 0,65, kRowHight);
    [del setTitle:@"再见" forState:UIControlStateNormal];
    // 为删除按钮添加点击事件
    [del addTarget:self action:@selector(deleteBtnClick:) forControlEvents:UIControlEventTouchUpInside];
    [rowView addSubview:del];

    
    // 为下一次添加行作准备
    _index++;
    return rowView  ;
}
// 点击rowView里面的删除按钮
- (void)deleteBtnClick:(UIButton *)sender
{
    // 拿到rowView
    UIView *rowView = sender.superview;

    [UIView animateWithDuration:0.3 animations:^{
        // 以下三步为OC标准代码,因为OC中不允许直接修该对象中结构体属性的成员的值,要通过中间的临时结构体变量
        CGRect frame = rowView.frame;
        frame.origin.x = 320;
        rowView.frame=frame;
        rowView.alpha = 0;
    } completion:^(BOOL finished) {
        // rowView在父容器中的索引
        int rowView_index = [self.view.subviews indexOfObject:rowView];
        // 将rowView从其父控件中,即self.view中删除
        [rowView removeFromSuperview];
         _trashItem.enabled = self.view.subviews.count!=1;
        
        // rowView身后的这些rowView动画上移
        for (int i=rowView_index; i<self.view.subviews.count; i++) {
            // rowView身后的这些rowView动画上移
            UIView *rowViewSibling = self.view.subviews[i];
            [UIView animateWithDuration:0.3 animations:^{
                // 以下三步为OC标准代码,因为OC中不允许直接修该对象中结构体属性的成员的值,要通过中间的临时结构体变量
                CGRect frame = rowViewSibling.frame;
                frame.origin.y -= kRowHight + 1;
                rowViewSibling.frame=frame;
            }];
        }
    }];
    
}



// 点击头像按钮,弹出alterView
- (void)headBtnClick:(UIButton *)sender
{
    NSLog(@"点击了头像按钮--%@",sender);
    UIView *rowView = sender.superview;
    UILabel *name = (UILabel *)[rowView viewWithTag:1];
    NSLog(@"被点击的按钮的兄弟标签是:%@",name);
    
    // 弹出alterView
    UIAlertView *alert = [[UIAlertView alloc]init];

    
    [alert show];
}

// 点击删除按钮Item
- (IBAction)removeClick:(UIBarButtonItem *)sender {
    _trashItem.enabled = NO;
    // 删除最后一行
    UIView *last = [self.view.subviews lastObject];
    Class cls = [UIToolbar class];
    if ([last isKindOfClass:cls]) {
        return;
    }
    // 动画效果
    [UIView animateWithDuration:0.2 animations:^{
        // 以下三步为OC标准代码,因为OC中不允许直接修该对象中结构体属性的成员的值,要通过中间的临时结构体变量
        CGRect frame = last.frame;
        frame.origin.x = 320;
        last.frame=frame;
        last.alpha = 0;
    } completion:^(BOOL finished) {
        // 动画完毕,从父控件中移除
        [last removeFromSuperview];
        // 删除完之后,让删除barbuttionitem置灰
        _trashItem.enabled = self.view.subviews.count != 1;
    }];

    
    
}

@end

RowView.h

//
//  RowView.h
//  6_ToolBar
//
//  Created by beyond on 14-7-24.
//  Copyright (c) 2014年 com.beyond. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface RowView : UIView
@property (weak, nonatomic) IBOutlet UIButton *headBtn;
@property (weak, nonatomic) IBOutlet UILabel *nameLabel;
- (IBAction)deleteBtnClick:(UIButton *)sender;
+ (RowView *)rowViewWithHeadName:(NSString *)headName andLabelName:(NSString *)labelName andRowY:(CGFloat)rowY;
@end

RowView.m

//
//  RowView.m
//  6_ToolBar
//
//  Created by beyond on 14-7-24.
//  Copyright (c) 2014年 com.beyond. All rights reserved.
//

#import "RowView.h"
#define kRowHight 65
@implementation RowView

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code
    }
    return self;
}

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect
{
    // Drawing code
}
*/


// + 类方法中不能直接使用_访问成员变量,必须通过对象.点语法访问成员变量
// 参数1:头像按钮的图标名,参数2:姓名标签
+ (RowView *)rowViewWithHeadName:(NSString *)headName andLabelName:(NSString *)labelName andRowY:(CGFloat)rowY
{
    // mainBundel加载xib,扩展名不用写.xib
    NSArray *arrayXibObjects = [[NSBundle mainBundle] loadNibNamed:@"rowView" owner:nil options:nil];
    
    RowView *rowView = arrayXibObjects[0];
    // 1,设置rowView的属性
    rowView.backgroundColor = [UIColor grayColor];
    // 先是在屏幕外面,所以x是320
    rowView.frame = CGRectMake(320, rowY,320, kRowHight);
    rowView.alpha = 0;
    
    // 2,设置label内容
    // tag要遍历,效率低,不推荐,最好是rowView.xib连线到RowView.h文件,使用成员变量
    // UILabel *nameLabel = (UILabel *)[rowView viewWithTag:1];
    
    rowView.nameLabel.text = labelName;
    
    // 3,设置headBtn内容
    // tag要遍历,效率低,不推荐,最好是rowView.xib连线到RowView.h文件,使用成员变量
    // UIButton *headBtn = (UIButton *)[rowView viewWithTag:2];
    
    UIImage *img = [UIImage imageNamed:headName];
    [rowView.headBtn setImage:img forState:UIControlStateNormal];
    return rowView;
}

// rowView中的删除按钮被点击了
- (IBAction)deleteBtnClick:(UIButton *)sender {
    // 拿到rowView
    UIView *rowView = sender.superview;
    
    [UIView animateWithDuration:0.3 animations:^{
        // 以下三步为OC标准代码,因为OC中不允许直接修该对象中结构体属性的成员的值,要通过中间的临时结构体变量
        CGRect frame = rowView.frame;
        frame.origin.x = 320;
        rowView.frame=frame;
        rowView.alpha = 0;
    } completion:^(BOOL finished) {
        //NSLog(@"rowView.superView is %@",rowView.superview);
        // 先得到控制器的UIView
        UIView *control_view = rowView.superview;
        // rowView在父容器中的索引
        int rowView_index = [control_view.subviews indexOfObject:rowView];
        // 将rowView从其父控件中,即self.view中删除
        [rowView removeFromSuperview];
        // rowView身后的这些rowView动画上移
        for (int i=rowView_index; i<control_view.subviews.count; i++) {
            // rowView身后的这些rowView动画上移
            UIView *rowViewSibling = control_view.subviews[i];
            [UIView animateWithDuration:0.3 animations:^{
                // 以下三步为OC标准代码,因为OC中不允许直接修该对象中结构体属性的成员的值,要通过中间的临时结构体变量
                CGRect frame = rowViewSibling.frame;
                frame.origin.y -= kRowHight + 1;
                rowViewSibling.frame=frame;
            }];
        }
    }];
}

@end

RowView.xib

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iOS_6_ToolBar+xib+红楼梦