第三十三篇：私人通迅录(有存储功能)

用了第三方框架:MBProgressHUD

Main.storyboard:

Model

//
//  QJContact.h
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface QJContact : NSObject<NSCoding>

@property (nonatomic , copy) NSString * name;
@property (nonatomic , copy) NSString * phoneNumber;

+ (instancetype)contact;

@end

//
//  QJContact.m
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import "QJContact.h"

@implementation QJContact

+ (instancetype)contact{
    return [[self alloc] init];
}

// 归档(编码)
- (void)encodeWithCoder:(NSCoder *)aCoder{
    [aCoder encodeObject:self.name forKey:@"name"];
    [aCoder encodeObject:self.phoneNumber forKey:@"phoneNumber"];
}

//恢复(解码)

- (instancetype)initWithCoder:(NSCoder *)aDecoder{
    
    self.name = [aDecoder decodeObjectForKey:@"name"];
    self.phoneNumber = [aDecoder decodeObjectForKey:@"phoneNumber"];
    return self;
}

@end

View

//
//  QJContactCell.h
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
@class QJContact;
@interface QJContactCell : UITableViewCell

@property (nonatomic , strong)QJContact * contact;

+ (instancetype)contactCellWithTableView:(UITableView *)tabelView;

@end

//
//  QJContactCell.m
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import "QJContactCell.h"
#import "QJContact.h"

@interface QJContactCell ()

@property (nonatomic , weak)UIView * speradLine;
@property (weak, nonatomic) IBOutlet UILabel *nameLabel;
@property (weak, nonatomic) IBOutlet UILabel *phoneNumberLabel;

@end


@implementation QJContactCell

+ (instancetype)contactCellWithTableView:(UITableView *)tabelView{
    static NSString * ID = @"contact";
    /**
     *  先从缓存中跟据"contact"标识找可用的cell；如果没有再从storyboard/xib中找
     */
    return [tabelView dequeueReusableCellWithIdentifier:ID];
}

- (void)setContact:(QJContact *)contact{
    _contact = contact ;
    self.nameLabel.text = contact.name;
    self.phoneNumberLabel.text = contact.phoneNumber;
}
/**
 *  当cell从storyboard/xib中创建出cell后立刻调用该方法
 */
- (void)awakeFromNib{
//    self.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
    UIView * speradLine = [[UIView alloc]init];
    speradLine.backgroundColor = [UIColor grayColor];
    speradLine.alpha = 0.7;
    [self.contentView addSubview:speradLine];
    self.speradLine = speradLine;
        
}

- (void)layoutSubviews{
//    NSLog(@"---layoutSubviews--");
    CGFloat X = 0;
    CGFloat W = self.frame.size.width;
    CGFloat H = 1;
    CGFloat Y = self.frame.size.height - H;
    self.speradLine.frame = CGRectMake(X, Y, W, H);
    
}

@end

Contorller

登陆页面：

//
//  QJLoginViewController.h
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface QJLoginViewController : UIViewController

@end

//
//  QJLoginViewController.m
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import "QJLoginViewController.h"
#import "QJContactViewController.h"
#import "MBProgressHUD+MJ.h"

#define QJKeyUserName           @"userName"
#define QJKeyPassword           @"password"
#define QJKeyRemeberPassword    @"remeberPassword"
#define QJKeyAutoLogin          @"autoLogin"

@interface QJLoginViewController ()

@property (weak, nonatomic) IBOutlet UITextField *userNameTextField;
@property (weak, nonatomic) IBOutlet UITextField *passwordTextField;
@property (weak, nonatomic) IBOutlet UISwitch *remeberPasswordSwith;
@property (weak, nonatomic) IBOutlet UISwitch *autoLoginSwitch;

@property (weak, nonatomic) IBOutlet UIButton *loginBtn;
@property (weak, nonatomic) IBOutlet UIView *activityView;

- (void)customNavigationItem;
- (IBAction)login;
- (void)changeUserNameTextField;
- (void)changePasswordTextField;
- (IBAction)remeberPassword;
- (IBAction)autoLogin;


@end


@implementation QJLoginViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // 创建并设置navigationItem的backBarButtonItem
    [self customNavigationItem];
//    NSLog(@"%@",NSHomeDirectory()); 
    // 添加消息通知
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(changeUserNameTextField) name:UITextFieldTextDidChangeNotification object:self.userNameTextField];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(changePasswordTextField) name:UITextFieldTextDidChangeNotification object:self.passwordTextField];
    
    // 读取配置
    [self readConfiguratStat];
    
}
- (void)viewDidAppear:(BOOL)animated{
    [super viewDidAppear:animated];
    static BOOL isAuto = NO;
    if (isAuto == NO) {
        isAuto = YES ;
        if(self.autoLoginSwitch.on && self.userNameTextField.text.length && self.passwordTextField.text.length ){
            [self login];
        }
    }
}

- (void)dealloc{

    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)readConfiguratStat{
    NSUserDefaults * defaults = [NSUserDefaults standardUserDefaults];
    self.userNameTextField.text = [defaults objectForKey:QJKeyUserName];
    self.remeberPasswordSwith.on = [defaults boolForKey:QJKeyRemeberPassword];
    if (self.remeberPasswordSwith.on) {
        self.passwordTextField.text = [defaults objectForKey:QJKeyPassword];
    }
    self.autoLoginSwitch.on = [defaults boolForKey:QJKeyAutoLogin];
}
- (void)saveConfiguratStat{
    
    NSUserDefaults * defaults = [NSUserDefaults standardUserDefaults];
    [defaults setObject:self.userNameTextField.text forKey:QJKeyUserName];
    [defaults setObject:self.passwordTextField.text forKey:QJKeyPassword];
    [defaults setBool:self.remeberPasswordSwith.isOn forKey:QJKeyRemeberPassword];
    [defaults setBool:self.autoLoginSwitch.isOn forKey:QJKeyAutoLogin];
    
}

/** 创建并设置navigationItem的backBarButtonItem */
- (void)customNavigationItem
{
    UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithTitle:@"返回" style:UIBarButtonItemStyleDone target:nil action:nil];
    self.navigationItem.backBarButtonItem = item;
}

/** 监听userNameTextField的text内容改变，只要改变就会调用 */
- (void)changeUserNameTextField{
    if (self.userNameTextField.text) {
        self.loginBtn.enabled = (self.userNameTextField.text.length && self.passwordTextField.text.length );
    }
}

/** 监听passwordTextField的text内容改变，只要改变就会调用 */
- (void)changePasswordTextField{
    if (self.passwordTextField.text) {
        self.loginBtn.enabled = (self.userNameTextField.text.length && self.passwordTextField.text.length );
    }
}

- (IBAction)remeberPassword {
    [self.autoLoginSwitch setOn:self.remeberPasswordSwith.on animated:YES];
}

- (IBAction)autoLogin {
    [self.remeberPasswordSwith setOn:self.autoLoginSwitch.on animated:YES];
}

/** 响应loginBtn点击 */
- (IBAction)login {
    [self.view endEditing:YES];
//    UIAlertView * alertView = [UIAlertView alloc];
    if (![self.userNameTextField.text isEqualToString:@"QJ"]) { // 账号：QJ
//        [alertView initWithTitle:nil message:@"你输入的账号不存在" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
//        [alertView show];
        [MBProgressHUD showError:@"你输入的账号不存在"];
        return ;
    }
    if ( ![self.passwordTextField.text isEqualToString:@"123"]) { // 密码：123
//        [alertView initWithTitle:nil message:@"你输入的密码错误" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
//        [alertView show];
        [MBProgressHUD showError:@"你输入的密码错误"];
        return ;
    }
    
    [MBProgressHUD showMessage:@"正在加载，稍等..."];
    // 存储配置
    [self saveConfiguratStat];
//    self.activityView.hidden = NO;
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [MBProgressHUD hideHUD];
//        self.activityView.hidden = YES;
        [self performSegueWithIdentifier:@"login" sender:nil];
    });
    
}

/** 当UISegue对象初始化完后，在跳转到下一个挖人制器之前，系统自动调用 */
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{
    QJContactViewController * distVC = segue.destinationViewController;
    distVC.title = [NSString stringWithFormat:@"%@的通迅录",self.userNameTextField.text];
    
}

@end

通迅录页面：

//
//  QJContactViewController.h
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface QJContactViewController : UITableViewController

@end

//
//  QJContactViewController.m
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import "QJContactViewController.h"
#import "QJContact.h"
#import "QJAddContactViewController.h"
#import "QJContactCell.h"
#import "QJEditViewController.h"

// 数据存储的绝对路径
#define QJContactFilepath [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:@"contactList.data"]

@interface QJContactViewController ()<UIActionSheetDelegate,QJAddContactViewControllerDelegate,QJEditViewControllerDelegate>

@property (nonatomic , strong)NSMutableArray * contactList;

- (IBAction)logout;

@end

@implementation QJContactViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    UIBarButtonItem * item = [[UIBarButtonItem alloc]initWithTitle:@"反回" style:UIBarButtonItemStyleDone target:nil action:nil];
    self.navigationItem.backBarButtonItem = item;
    // 设置分隔线的样式
    self.tableView.separatorStyle = UITableViewCellAccessoryNone;
    
    // 取一个数据
//        NSArray * array = ;
//        NSString * document = [array lastObject];
//        NSString * filePath = [document stringByAppendingPathComponent:@"contactList.plist"];
//    NSLog(@"%@",filePath);
//    NSString * docuent = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
//    NSString * filePath = [docuent stringByAppendingPathComponent:@"contactList.plist"];
    
    // 从filePath中取QJContact对象
    //NSString * filePath = (NSString *)QJContactFilePath;
    
}
//- (void)viewWillAppear:(BOOL)animated{
//    
//    
//    NSLog(@"%@",contact);
//}

- (NSMutableArray *)contactList{
    if (_contactList == nil) {
        // 取数据，需要时加载
        _contactList = [NSKeyedUnarchiver unarchiveObjectWithFile:QJContactFilepath];
        if (nil == _contactList) {
             _contactList = [NSMutableArray array];
        }
    }
    return _contactList;
}

#pragma mark - tableViewDataSource协议方法
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return self.contactList.count ;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    // 创建一个cell
    QJContactCell * cell = [QJContactCell contactCellWithTableView:tableView];
    // 设置cell数据内容
    QJContact * contact = self.contactList[indexPath.row];
    cell.contact = contact;
//    NSLog(@"---cellForRowAtIndexPath---");
    return cell;
    
}

#pragma mark - tableViewDelegate协议方法
/**
 *  当cell向左滑动后，点击了“删除”或其他按妞时做一些事情
 */
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath{
    if (UITableViewCellEditingStyleDelete == editingStyle) { // 删除类型
        // 删除一行
        [self.contactList removeObjectAtIndex:indexPath.row];
        [self.tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationLeft];
        // 数据归档
        [NSKeyedArchiver archiveRootObject:self.contactList toFile:QJContactFilepath];
    }
}
//-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
//    NSLog(@"选中一行--------");
//    QJAddContactViewController * addCVC = [[QJAddContactViewController alloc]init];
//    addCVC.view.backgroundColor = [UIColor whiteColor];
//    // 设置navigationItem
//    addCVC.navigationItem.title = @"查看联系人";
//    UIBarButtonItem * edit = [[UIBarButtonItem alloc]initWithTitle:@"编辑" style:(UIBarButtonItemStyleDone) target:nil action:nil];
//    addCVC.navigationItem.rightBarButtonItems = @[edit];
//    
//    [self.navigationController pushViewController:addCVC animated:YES];
//}


- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{
    
    id destVC = segue.destinationViewController;
    
    if ([destVC isKindOfClass:[QJAddContactViewController class]]) {
        QJAddContactViewController * addCVC = destVC;
        addCVC.delegate = self;
    }
    else if([destVC isKindOfClass:[QJEditViewController class]]){
        NSIndexPath * indexPath = [self.tableView indexPathForSelectedRow];
        QJContact * contact = self.contactList[indexPath.row];
        QJEditViewController * editVC =  destVC;
        editVC.contact = contact ;
        editVC.delegate = self;
    }
}

/** 点击注消，响应事件 */
- (IBAction)logout {
    UIActionSheet * sheet = [[UIActionSheet alloc]initWithTitle:@"是否确定要注消" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"确定" otherButtonTitles:nil, nil];
    // 从底部升出一个弹窗
    [sheet showInView:self.view];
    
}
#pragma mark - UIActionSheet代理方法
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
    if (buttonIndex == 0) {
        [self.navigationController popViewControllerAnimated:YES];
    }
}

#pragma mark - QJAddContactViewControllerDelegate

- (void)addContactViewController:(QJAddContactViewController *)addCVC didClickAddBtnWithQJContact:(QJContact *)contact{
    
    [self.contactList addObject:contact];
    [self.tableView reloadData];
    
    // 数据归档
    [NSKeyedArchiver archiveRootObject:self.contactList toFile:QJContactFilepath];
}

#pragma mark - QJEditViewControllerDelegate

- (void)editViewController:(QJEditViewController *)editVC didSaveWithContact:(QJContact *)contact{
    // 这里不用设置修改的contact，原因是：当时从当前控制器的某个contatct传到下一个QJEditViewController控制器的contact,地址是一样的，所以当QJEditViewController控制器的contact被修改了，当前控制器传入的contact也会修改。所以在这个方法体内不必理会当前传入的contact
    
    // 数据归档
    [NSKeyedArchiver archiveRootObject:self.contactList toFile:QJContactFilepath];
    [self.tableView reloadData];
}

@end

添加联系人页面：

//
//  QJAddContactViewController.h
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import <UIKit/UIKit.h>

@class QJContact,QJAddContactViewController;

@protocol QJAddContactViewControllerDelegate <NSObject>

- (void)addContactViewController:(QJAddContactViewController *) addCVC didClickAddBtnWithQJContact:(QJContact *)contact;

@end

@interface QJAddContactViewController : UIViewController

@property (nonatomic , weak)id<QJAddContactViewControllerDelegate> delegate;

@end

//
//  QJAddContactViewController.m
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import "QJAddContactViewController.h"
#import "QJContact.h"

@interface QJAddContactViewController ()
@property (weak, nonatomic) IBOutlet UITextField *nameTextField;
@property (weak, nonatomic) IBOutlet UITextField *phoneNumber;
@property (weak, nonatomic) IBOutlet UIButton *addBtn;

- (void)changeTextField;
- (void)addContact;

@end

@implementation QJAddContactViewController

- (void)viewDidLoad {
    [super viewDidLoad];
//    self.title = @"添加联系人";
    self.navigationItem.title = @"添加联系人";

    // 成为第一响应
    [self.nameTextField becomeFirstResponder ];
    
    // 添加UITextFieldTextDidChangeNotification通知
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(changeTextField) name:UITextFieldTextDidChangeNotification object:self.nameTextField];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(changeTextField) name:UITextFieldTextDidChangeNotification object:self.phoneNumber];
    
    // 添加addBtn按妞监听
    [self.addBtn addTarget:self action:@selector(addContact) forControlEvents:UIControlEventTouchUpInside];
    
}
- (void)dealloc{
    // 有监听就要移除
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)changeTextField{
    self.addBtn.enabled = (self.nameTextField.text.length > 0 && self.phoneNumber.text.length > 0);
}

- (void)addContact{
    QJContact * contact = [QJContact contact];
    contact.name = self.nameTextField.text;
    contact.phoneNumber = self.phoneNumber.text;
    //
    if ([self.delegate respondsToSelector:@selector(addContactViewController:didClickAddBtnWithQJContact:)]) {
        [self.delegate addContactViewController:self didClickAddBtnWithQJContact:contact];
    }
    [self.navigationController popViewControllerAnimated:YES];
}

@end

查看修改联系人页面：

//
//  QJEditViewController.h
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import <UIKit/UIKit.h>
@class QJContact,QJEditViewController;

@protocol QJEditViewControllerDelegate <NSObject>

- (void)editViewController:(QJEditViewController *)editVC didSaveWithContact:(QJContact *)contact;

@end

@interface QJEditViewController : UIViewController

@property (nonatomic , strong)QJContact * contact;
@property (nonatomic , weak)id<QJEditViewControllerDelegate> delegate;

@end

//
//  QJEditViewController.m
//  13-私人通迅录
//
//  Created by 瞿杰 on 15/10/9.
//  Copyright © 2015年 itcast. All rights reserved.
//

#import "QJEditViewController.h"
#import "QJContact.h"
@interface QJEditViewController ()
@property (weak, nonatomic) IBOutlet UITextField *nameTextField;
@property (weak, nonatomic) IBOutlet UITextField *phoneNumberTextField;
@property (weak, nonatomic) IBOutlet UIButton *saveBtn;
@property (weak, nonatomic) IBOutlet UIBarButtonItem *editBtn;

- (IBAction)editBtnDidClicked:(id)sender;
- (void)save:(UIButton *)btn;
- (void)changeTextFieldContents;
@end

@implementation QJEditViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    // 填数据
    self.nameTextField.text = self.contact.name;
    self.phoneNumberTextField.text = self.contact.phoneNumber;
    
    self.nameTextField.enabled = NO;
    self.phoneNumberTextField.enabled = NO;
    self.saveBtn.enabled = YES;
    self.saveBtn.hidden = YES;
    
    // 添加监听点击事件
    [self.saveBtn addTarget:self action:@selector(save:) forControlEvents:(UIControlEventTouchUpInside)];
    
    // 添加消息监听
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(changeTextFieldContents) name:UITextFieldTextDidChangeNotification object:nil];
    
}

- (void)dealloc{
//    NSLog(@"----dealloc---");
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}
/**
 *  时时监听textField内容的改变，以改变saveBtn能否交互状态
 */
- (void)changeTextFieldContents{
    self.saveBtn.enabled = (self.nameTextField.text.length > 0 && self.phoneNumberTextField.text.length > 0) ;
}
/**
 *  点击saveBtn时调用，
 */
- (void)save:(UIButton *)btn{
    // 销毁
    [self.navigationController popViewControllerAnimated:YES];
    self.contact.name = self.nameTextField.text ;
    self.contact.phoneNumber = self.phoneNumberTextField.text;
    
    if ([self.delegate respondsToSelector:@selector(editViewController:didSaveWithContact:)]) {
        [self.delegate editViewController:self didSaveWithContact:self.contact];
    }
}

- (IBAction)editBtnDidClicked:(id)sender {
    
    if ([self.editBtn.title isEqualToString:@"编辑"]) {
        self.editBtn.title = @"取消";
        
        self.nameTextField.enabled = YES;
        self.phoneNumberTextField.enabled = YES;
        self.saveBtn.hidden = NO;
        
        [self.phoneNumberTextField becomeFirstResponder];
    }
    else {
        self.editBtn.title = @"编辑";
        
        [self.view endEditing:YES];
        
        self.nameTextField.enabled = NO;
        self.phoneNumberTextField.enabled = NO;
        self.saveBtn.hidden = YES;
        
        self.nameTextField.text = self.contact.name;
        self.phoneNumberTextField.text = self.contact.phoneNumber;
    }
}
@end