通讯录列表展示 UIView和tobar工具条使用

 1 //
 2 //  ViewController.h
 3 //  08-通讯录
 4 //
 5 //  Created by zjj on 15/5/10.
 6 //  Copyright (c) 2015年 zjj. All rights reserved.
 7 //
 8 
 9 #import <UIKit/UIKit.h>
10 
11 @interface ViewController : UIViewController
12 - (IBAction)add:(UIBarButtonItem *)sender;
13 - (IBAction)remove:(UIBarButtonItem *)sender;
14 @property (strong, nonatomic) IBOutlet UIBarButtonItem *removes;
15 
16 @end

  1 //
  2 //  ViewController.m
  3 //  08-通讯录
  4 //
  5 //  Created by zjj on 15/5/10.
  6 //  Copyright (c) 2015年 zjj. All rights reserved.
  7 //
  8 
  9 #import "ViewController.h"
 10 #define kDuation 0.5
 11 #define kRowH 50
 12 #define kNameTag 10
 13 //类扩展 （class extension 匿名分类）用于扩展 内部可以声明本类全局引用私有变量
 14 @interface ViewController ()
 15 {
 16     CGFloat _rowY ;
 17     NSArray *_allNames; // 苹果官方规则成员变量必须以下划线开头
 18 }
 19 @end
 20 
 21 @implementation ViewController
 22 #pragma mark 控制器的view加载完毕的时候调用一次
 23 - (void)viewDidLoad
 24 {
 25     [super viewDidLoad];
 26     _allNames = @[@"加菲猫吃饭",@"加菲猫打瞌睡",@"加菲猫喝茶",@"加菲猫乘地铁",@"加菲猫敲代码",@"加菲猫打电话",@"加菲猫听音乐",@"加菲猫起床",@"加菲猫奶孩子"];
 27 
 28 }
 29 #pragma mark 添加一行
 30 - (IBAction)add:(UIBarButtonItem *)sender {
 31     // 0取出最后一个子控件
 32     UIView *lastView = [self.view.subviews lastObject];
 33     // 这行的Y =  最后一个控件的Y值+控件的高度+间距
 34     _rowY = lastView.frame.origin.y + lastView.frame.size.height + 5;
 35     // 创建一行
 36     UIView *rowView = [self createRowline];
 37     // 添加一行到控制器view中
 38     [self.view addSubview:rowView ];
 39     _removes.enabled = YES;// 启用删除
 40     // 设置动画开始前的控件属性
 41     rowView.frame = CGRectMake(375, _rowY, 375, 50);
 42     rowView.alpha = 0;// 设置透明度
 43     // 执行动画
 44     [UIView animateWithDuration:kDuation animations:^{
 45         // 改变控件属性
 46         rowView.frame = CGRectMake(0, _rowY, 375, 50);
 47         rowView.alpha = 1;
 48     }];
 49 }
 50 #pragma mark 创建一行 添加头像和文字
 51 - (UIView *)createRowline
 52 {
 53     // 1.添加父控件
 54     UIView *rowView = [[UIView alloc]init];
 55     rowView.frame = CGRectMake(0, _rowY, 375, 50);
 56     rowView.backgroundColor  = [UIColor whiteColor];
 57     // 2.添加文字
 58     UILabel *name = [[UILabel alloc]init];
 59     name.frame = CGRectMake(0, 0, self.view.frame.size.width, kRowH);
 60     name.text = _allNames[arc4random_uniform((int)_allNames.count)];
 61     name.textAlignment = UITextAlignmentCenter;
 62     name.backgroundColor = [UIColor clearColor];
 63     name.tag = kNameTag;
 64     [rowView addSubview:name];
 65     // 3.添加头像 创建子控件 添加到父控件行中
 66     UIButton *icon = [UIButton buttonWithType:UIButtonTypeCustom];
 67     icon.frame = CGRectMake(20, 0, 50, kRowH);
 68     //创建随机头像
 69 //    int randomIndex = arc4random() % 9;//取0-8随机整数（老写法）
 70     int randomIndex = arc4random_uniform(9);//取0-8随机整数
 71     NSString *imgNames = [NSString stringWithFormat:@"0%d.jpg",randomIndex];
 72     UIImage *img = [UIImage imageNamed:imgNames];
 73     // 给按钮添加监听器
 74     [icon addTarget:self action:@selector(iconClick:) forControlEvents:UIControlEventTouchUpInside];
 75     //保持头像宽高不变形
 76     [icon setImage:img forState:UIControlStateNormal];
 77     [rowView addSubview:icon];
 78     // 删除按钮
 79     UIButton *delete = [UIButton buttonWithType:UIButtonTypeRoundedRect];
 80     delete.frame = CGRectMake(320, 0, 60, 60);
 81     [delete setTitle:@"删除" forState:UIControlStateNormal];
 82     [delete addTarget:self action:@selector(delClick:) forControlEvents:UIControlEventTouchUpInside];
 83     [rowView addSubview:delete];
 84     return rowView;
 85 }
 86 #pragma mark 监听删除按钮点击
 87 - (void)delClick :(UIButton *)btn
 88 {
 89     [UIView animateWithDuration:kDuation animations:^{
 90         // 移动待删除行整体移动到右方
 91         CGRect  tempF = btn.superview.frame;
 92         tempF.origin.x = 375;
 93         btn.superview.frame = tempF;
 94         btn.superview.alpha = 0;
 95     } completion:^(BOOL finished) {
 96         // 1.获得即将删除这行 仔数组中的位置
 97         int startIndex = (int)[self.view.subviews indexOfObject:btn.superview];
 98         // 3.删除当前行
 99         [btn.superview removeFromSuperview];
100         [UIView animateWithDuration:kDuation animations:^{
101         // 2.遍历子控件 自动上移删除行下方子控件
102         for (int i = startIndex; i < self.view.subviews.count; i++) {
103             UIView *child = self.view.subviews[i];
104             CGRect tempF = child.frame;
105             tempF.origin.y -= kRowH + 1;// 添加时候是每行+1
106             child.frame = tempF;
107         }
108         }];
109         // 4.判断垃圾桶
110         _removes.enabled = self.view.subviews.count > 1;
111     }];
112 }
113 #pragma mark 监听头像点击
114 - (void)iconClick :(UIButton *)btn
115 {
116     // 1.取得按钮的父控件（因为lable和btn在同一父控件）
117     // 获得按钮点击行的文本标签
118     UILabel *label = (UILabel *)[btn.superview viewWithTag:10];
119 //    NSLog(@"iconClick%f",btn.superview.frame.origin.y);
120     NSLog(@"%@",label.text);
121 }
122 
123 #pragma mark 删除一行
124 - (IBAction)remove:(UIBarButtonItem *)sender {
125     UIView *lastView = [self.view.subviews lastObject];
126     [UIView animateWithDuration:kDuation animations:^{
127         CGRect tempF = lastView.frame;
128         tempF.origin.x = 375;
129         lastView.frame = tempF;
130         lastView.alpha = 1;
131     } completion:^(BOOL finished) {//动画执行完毕后自动调用这个代码段
132              [lastView removeFromSuperview];
133         // 剩下子控件个数大于1才能点击删除 c语言写法
134         _removes.enabled = self.view.subviews.count > 1;
135     }];
136 }
137 @end