私人通讯录实例
此实例主要练习UIViewController控制器的使用
创建模型类Model
/**
copy : NSString\NSMutableString\block
weak : 代理\UI控件
strong : 其他OC对象
assign : 基本数据类型(int\float)\枚举\结构体
*/
#import <Foundation/Foundation.h>
@interface ZLContact : NSObject
@property(nonatomic,copy) NSString * name;
@property(nonatomic,copy) NSString * phone;
@end创建视图类View
#import <UIKit/UIKit.h>
@class ZLContact;
@interface ZLContactCell : UITableViewCell
@property(nonatomic,strong) ZLContact * contact;
+ (instancetype)cellWithTableView: (UITableView *)tableView;
@end#import "ZLContactCell.h"
#import "ZLContact.h"
@interface ZLContactCell ()
@property(nonatomic,weak) UIView *divider;
@end
@implementation ZLContactCell
+ (instancetype)cellWithTableView: (UITableView *)tableView
{
static NSString *ID [email protected]"contact";
// 先从缓存池中取,如果缓存池中没有可循环利用的cell,先去storyboard中找到合适的cell
// cell是从storyboard中创建出来的
return [tableView dequeueReusableCellWithIdentifier:ID];
}
/**
* 如果cell是通过storyboard或者xib创建的，就不可能会调用这个方法来初始化cell
* 如果cell是通过手写代码创建，才会调用这个方法来初始化cell
*/
- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
self=[super initWithStyle:style reuseIdentifier:reuseIdentifier];
if (self) {
}
return self;
}
/**
* 如果cell是通过storyboard或者xib创建的,就会调用这个方法来初始化cell
* 这个方法的作用类似于init方法
*/
- (void)awakeFromNib
{
// Initialization code
UIView *divider = [[UIView alloc] init];
divider.backgroundColor = [UIColor blackColor];
divider.alpha = 0.2;
[self.contentView addSubview:divider];
self.divider = divider;
}
- (void)layoutSubviews
{
[super layoutSubviews];
CGFloat dividerX=0;
CGFloat dividerH=1;
CGFloat dividerY=self.frame.size.height - dividerH;
CGFloat dividerW=self.frame.size.width;
self.divider.frame=CGRectMake(dividerX, dividerY, dividerW, dividerH);
}
- (void)setContact:(ZLContact *)contact
{
_contact=contact;
self.textLabel.text=contact.name;
self.detailTextLabel.text=contact.phone;
}
@end创建控制器类ViewController
登陆控制器 LoginViewController
#import "ZLLoginViewController.h"
#import "MBProgressHUD+MJ.h"
@interface ZLLoginViewController ()
@property (weak, nonatomic) IBOutlet UITextField *accountField;
@property (weak, nonatomic) IBOutlet UITextField *pwdField;
@property (weak, nonatomic) IBOutlet UIButton *loginBtn;
@property (weak, nonatomic) IBOutlet UISwitch *rmbPwdSwitch;
- (IBAction)rmbPwdChange;
@property (weak, nonatomic) IBOutlet UISwitch *autoLoginSwitch;
- (IBAction)autoLoginChange;
- (IBAction)login;
@end
@implementation ZLLoginViewController
- (void)viewDidLoad {
[super viewDidLoad];
//监听通知
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(textChange) name:UITextFieldTextDidChangeNotification object:self.accountField];
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(textChange) name:UITextFieldTextDidChangeNotification object:self.pwdField];
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter]removeObserver:self];
}
/**
* 文本框的文字发生改变的时候调用
*/
- (void)textChange
{
// self.loginBtn.enabled=(self.accountField.text.length&&self.pwdField.text.length);
self.loginBtn.enabled=YES;
}
/**
* 记住密码开关的状态改变就会调用
*/
- (IBAction)rmbPwdChange {
//取消了记住密码
if (self.rmbPwdSwitch.isOn==NO) {
self.autoLoginSwitch.on=NO;
}
}
/**
* 自动登录的状态改变就会调用
*/
- (IBAction)autoLoginChange {
if (self.autoLoginSwitch.isOn) {
self.rmbPwdSwitch.on=YES;
}
}
/**
* 登录
*/
- (IBAction)login {
if (![self.accountField.text isEqualToString:@"lihui"]) {
//账号不存在
[MBProgressHUD showError:@"账号不存在"];
return;
}
if (![self.pwdField.text isEqualToString:@"123"]) {
//密码错误
[MBProgressHUD showError:@"密码错误"];
return;
}
//显示一个蒙版（遮盖）
[MBProgressHUD showMessage:@"正在玩命加载..."];
//模拟2秒后执行跳转
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
//移除遮盖
[MBProgressHUD hideHUD];
//跳转 －－执行login2contacts这个segue
[self performSegueWithIdentifier:@"login2contacts" sender:nil];
});
}
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
//1.取得目标控制器（联系人列表的控制器）
UIViewController *contactVc=segue.destinationViewController;
//2.设置标题
contactVc.title=[NSString stringWithFormat:@"%@的联系人列表",self.accountField.text];
}
@end联系人控制器ContactsViewController
#import "ZLContactsViewController.h"
#import "ZLAddViewController.h"
#import "ZLEditViewController.h"
#import "ZLContact.h"
#import "ZLContactCell.h"
@interface ZLContactsViewController ()<UIActionSheetDelegate,ZLAddViewControllerDelegate,ZLEditViewControllerDelegate>
- (IBAction)logout:(id)sender;
@property (nonatomic,strong)NSMutableArray * contacts;
@end
@implementation ZLContactsViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.tableView.separatorStyle=UITableViewCellSeparatorStyleNone;
}
- (NSMutableArray *)contacts
{
if (_contacts==nil) {
_contacts = [NSMutableArray array];
}
return _contacts;
}
#pragma mark - Table view data source
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return self.contacts.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
//1.创建cell
ZLContactCell * cell=[ZLContactCell cellWithTableView:tableView];
//2.设置cell的数据
cell.contact = self.contacts[indexPath.row];
return cell;
}
/**
* 注销
*/
- (IBAction)logout:(id)sender {
UIActionSheet *sheet=[[UIActionSheet alloc]initWithTitle:@"确定要注销?" delegate:self
cancelButtonTitle:@"取消" destructiveButtonTitle:@"确定" otherButtonTitles:nil, nil];
[sheet showInView:self.view];
}
#pragma mark - actionsheet的代理方法
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
if (buttonIndex!=0)return;
[self.navigationController popViewControllerAnimated:YES];
}
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
id vc=segue.destinationViewController;
if ([vc isKindOfClass:[ZLAddViewController class]]) {
//设置下一个控制器（添加联系人的控制器）的代理
ZLAddViewController * addVc=vc;
addVc.delegate=self;
}else if ([vc isKindOfClass:[ZLEditViewController class]]){
ZLEditViewController * editVc=vc;
//取得选中的那行
NSIndexPath *path=[self.tableView indexPathForSelectedRow];
editVc.contact=self.contacts[path.row];
editVc.delegate=self;
}
}
#pragma mark - ZLAddViewController的代理方法
- (void)addViewController:(ZLAddViewController *)addVc didAddContact:(ZLContact *)contact
{
//1.添加数据模型
[self.contacts addObject:contact];
//2.刷新数据
[self.tableView reloadData];
}
#pragma mark - ZLEditViewController的代理方法
- (void)editViewController:(ZLEditViewController *)editVc didSaveContact:(ZLContact *)contact
{
[self.tableView reloadData];
}
@end
添加联系人控制器AddViewController
#import <UIKit/UIKit.h>
@class ZLAddViewController,ZLContact;
/**
* 定义添加控制器的协议
*/
@protocol ZLAddViewControllerDelegate <NSObject>
@optional
/**
* 在协议定义要实现的方法（optional）
*/
- (void)addViewController:(ZLAddViewController *)addVc didAddContact:(ZLContact *)contact;
@end
@interface ZLAddViewController : UIViewController
@property(nonatomic,weak) id<ZLAddViewControllerDelegate> delegate;
@end
#import "ZLAddViewController.h"
#import "ZLContact.h"
@interface ZLAddViewController ()
@property (weak, nonatomic) IBOutlet UITextField *nameField;
@property (weak, nonatomic) IBOutlet UITextField *phoneField;
@property (weak, nonatomic) IBOutlet UIButton *addBtn;
- (IBAction)add;
@end
@implementation ZLAddViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// 监听通知
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textChange) name:UITextFieldTextDidChangeNotification object:self.nameField];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textChange) name:UITextFieldTextDidChangeNotification object:self.phoneField];
// 退出键盘
// [self.nameField resignFirstResponder];
// [self.view endEditing:YES];
}
/**
* 控制器的view完全显示的时候调用
*/
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
//让姓名文本框成为第一响应者(叫出键盘)
[self.nameField becomeFirstResponder];
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
/**
* 文本框的文字发生改变的时候调用
*/
- (void)textChange
{
self.addBtn.enabled=(self.nameField.text.length &&self.phoneField.text.length);
}
/**
* 添加
*/
- (IBAction)add {
//1.关闭当前控制器
[self.navigationController popViewControllerAnimated:YES];
//2.传递数据给上一个控制器（ZLContactsViewController）
//2.通知代理
if ([self.delegate respondsToSelector:@selector(addViewController:didAddContact:)]) {
ZLContact *contact =[[ZLContact alloc]init];
contact.name=self.nameField.text;
contact.phone=self.phoneField.text;
[self.delegate addViewController:self didAddContact:contact];
}
}
@end编辑联系人控制器EditViewController
#import <UIKit/UIKit.h>
@class ZLContact,ZLEditViewController;
@protocol ZLEditViewControllerDelegate <NSObject>
@optional
- (void)editViewController:(ZLEditViewController *)editVc didSaveContact:(ZLContact *)contact;
@end
@interface ZLEditViewController : UIViewController
@property(nonatomic,strong) ZLContact * contact;
@property(nonatomic,weak) id <ZLEditViewControllerDelegate> delegate;
@end#import "ZLEditViewController.h"
#import "ZLContact.h"
@interface ZLEditViewController ()
@property (weak, nonatomic) IBOutlet UITextField *nameField;
@property (weak, nonatomic) IBOutlet UITextField *phoneField;
@property (weak, nonatomic) IBOutlet UIButton *saveBtn;
- (IBAction)edit:(UIBarButtonItem *)item;
- (IBAction)save;
@end
@implementation ZLEditViewController
- (void)viewDidLoad {
[super viewDidLoad];
//设置数据
self.nameField.text=self.contact.name;
self.phoneField.text=self.contact.phone;
//监听通知
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textChange) name:UITextFieldTextDidChangeNotification object:self.nameField];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textChange) name:UITextFieldTextDidChangeNotification object:self.phoneField];
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
/**
* 文本框的文字发生改变时候调用
*/
- (void)textChange
{
self.saveBtn.enabled=(self.nameField.text.length&&self.phoneField.text.length);
}
- (IBAction)edit:(UIBarButtonItem *)item {
if (self.nameField.enabled) {
self.nameField.enabled=NO;
self.phoneField.enabled=NO;
[self.view endEditing:YES];
self.saveBtn.hidden=YES;
item.title[email protected]"编辑";
//还原原来的数据
self.nameField.text=self.contact.name;
self.phoneField.text=self.contact.phone;
}else {
self.nameField.enabled = YES;
self.phoneField.enabled = YES;
[self.phoneField becomeFirstResponder];
self.saveBtn.hidden = NO;
item.title = @"取消";
}
}
/**
* 保存
*/
- (IBAction)save {
//1.关闭页面
[self.navigationController popViewControllerAnimated:YES];
//2.通知代理
if ([self.delegate respondsToSelector:@selector(editViewController:didSaveContact:)]) {
//更新模型数据
self.contact.name=self.nameField.text;
self.contact.phone=self.phoneField.text;
[self.delegate editViewController:self didSaveContact:self.contact];
}
}
@end版权声明：本文为博主原创文章，未经博主允许不得转载。
时间： 2024-12-24 16:20:24