1.login view controller:
//
// loginViewController.m
// segue
//
// Created by chenvinci on 2016/12/23.
// Copyright © 2016年 chenvinci. All rights reserved.
//
#import "loginViewController.h"
@interface loginViewController ()
@property (weak, nonatomic) IBOutlet UITextField *account;
@property (weak, nonatomic) IBOutlet UITextField *key;
@property (weak, nonatomic) IBOutlet UIButton *loginBtn;
@end
@implementation loginViewController
- (void)viewDidLoad {
[super viewDidLoad];
NSNotificationCenter* notify = [NSNotificationCenter defaultCenter];
[notify addObserver:self selector:@selector(textChange) name:UITextFieldTextDidChangeNotification object:self.account];
[notify addObserver:self selector:@selector(textChange) name:UITextFieldTextDidChangeNotification object:self.key];
[self textChange];
// Do any additional setup after loading the view.
}
-(void)textChange{
if (self.account.text.length>0 && self.key.text.length>0) {
self.loginBtn.enabled = YES;
}else {
self.loginBtn.enabled = NO;
}
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (IBAction)login:(id)sender {
[self.view endEditing:YES];
//用户名和密码一致时，验证成功
if (self.account.text == self.key.text) {
[self performSegueWithIdentifier:@"login2contacts" sender:nil];
}else{
//如果验证失败，弹出 密码错误 的警示
UILabel* tipLabel = [[UILabel alloc]initWithFrame:CGRectMake(150, 100, 80, 60)];
tipLabel.backgroundColor = [UIColor grayColor];
tipLabel.text = @"密码错误";
tipLabel.textColor = [UIColor whiteColor];
tipLabel.textAlignment = NSTextAlignmentCenter ;
tipLabel.alpha = 1;
[self.view addSubview:tipLabel];
[UIView animateWithDuration:2.0 animations:^{
tipLabel.alpha = 0;
}completion:^(BOOL finished) {
[tipLabel removeFromSuperview];
}];
}
}
-(void)dealloc{
NSNotificationCenter*notify =[NSNotificationCenter defaultCenter];
[notify removeObserver:self name:UITextFieldTextDidChangeNotification object:self.account];
[notify removeObserver:self name:UITextFieldTextDidChangeNotification object:self.key];
}
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
UIViewController* des = segue.destinationViewController;
des.navigationItem.title = [NSString stringWithFormat:@"%@的联系人列表",self.account.text];
}
@end
2.contact tableview controller:
//
// contactTableViewController.m
// segue
//
// Created by chenvinci on 2016/12/24.
// Copyright © 2016年 chenvinci. All rights reserved.
//
#import "contactTableViewController.h"
#import "addViewController.h"
#import "changeViewController.h"
@interface contactTableViewController ()
@property(nonatomic,strong) NSMutableArray* dataSourceArray;
@end
@implementation contactTableViewController
- (void)viewDidLoad {
[super viewDidLoad];
[self dataSourceArray];
}
-(NSMutableArray*) dataSourceArray{
if (!_dataSourceArray) {
_dataSourceArray = [NSMutableArray array];
}
return _dataSourceArray;
}
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{
NSLog(@"%@", segue.identifier);
addViewController* addVC = segue.destinationViewController;
addVC.delegate = self;
}
-(void)callBack:(NSDictionary *)infoDict{
[self.dataSourceArray addObject:infoDict];
//更新首页视图:
[self.tableView reloadData];
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.dataSourceArray.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:nil];
NSDictionary *dic = [self.dataSourceArray objectAtIndex:indexPath.row];
cell.textLabel.text = [dic valueForKey:@"name"];
cell.detailTextLabel.text = [dic valueForKey:@"tele"];
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
return cell;
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
changeViewController* changeVC = [[changeViewController alloc]init];
changeVC.delegate = self;
[self.navigationController pushViewController:changeVC animated:YES];
NSDictionary *dic = [self.dataSourceArray objectAtIndex:indexPath.row];
changeVC.name.text = [dic valueForKey:@"name"];
changeVC.tele.text = [dic valueForKey:@"tele"];
changeVC.row = indexPath.row;
}
-(void)callBackFromChange:(NSDictionary *)infoDict index:(NSInteger)index{
[self.dataSourceArray removeObjectAtIndex:index];
[self.dataSourceArray insertObject:infoDict atIndex:index];
//更新首页视图:
[self.tableView reloadData];
}
/*
// Override to support conditional editing of the table view.
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
// Return NO if you do not want the specified item to be editable.
return YES;
}
*/
/*
// Override to support editing the table view.
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
if (editingStyle == UITableViewCellEditingStyleDelete) {
// Delete the row from the data source
[tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
} else if (editingStyle == UITableViewCellEditingStyleInsert) {
// Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
}
}
*/
/*
// Override to support rearranging the table view.
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
}
*/
/*
// Override to support conditional rearranging of the table view.
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
// Return NO if you do not want the item to be re-orderable.
return YES;
}
*/
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
3.add view controller
//
// addViewController.h
// segue
//
// Created by chenvinci on 2016/12/23.
// Copyright © 2016年 chenvinci. All rights reserved.
//
#import
@protocol addViewContollerDelegate
-(void) callBack:(NSDictionary* )infoDict;
@end
@interface addViewController : UIViewController
@property(nonatomic,weak) id delegate;
@end
//
// addViewController.m
// segue
//
// Created by chenvinci on 2016/12/23.
// Copyright © 2016年 chenvinci. All rights reserved.
//
#import "addViewController.h"
@interface addViewController ()
@property (weak, nonatomic) IBOutlet UITextField *name;
@property (weak, nonatomic) IBOutlet UITextField *tele;
@property (weak, nonatomic) IBOutlet UIButton *addBtn;
@end
@implementation addViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
}
- (IBAction)save:(id)sender {
if ([self.delegate respondsToSelector:@selector(callBack:)]) {
NSMutableDictionary* infoDict = [NSMutableDictionary dictionary];
[infoDict setObject:self.name.text forKey:@"name"];
[infoDict setObject:self.tele.text forKey:@"tele"];
[self.delegate callBack:infoDict];
}
[self.navigationController popViewControllerAnimated:YES];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
4.change view controller
//
// changeViewController.h
// segue
//
// Created by chenvinci on 2016/12/24.
// Copyright © 2016年 chenvinci. All rights reserved.
//
#import
@protocol changeViewContollerDelegate
-(void) callBackFromChange:(NSDictionary* )infoDict index:(NSInteger)index;
@end
@interface changeViewController : UIViewController
@property (strong, nonatomic) UITextField *name;
@property (strong, nonatomic) UITextField *tele;
@property(assign,nonatomic) NSInteger row;
@property(nonatomic,weak) id delegate;
@end
//
// changeViewController.m
// segue
//
// Created by chenvinci on 2016/12/24.
// Copyright © 2016年 chenvinci. All rights reserved.
//
#import "changeViewController.h"
@interface changeViewController ()
@property(strong,nonatomic) UIButton* btn;
@end
@implementation changeViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.view = [[UIView alloc]initWithFrame:[UIScreen mainScreen].bounds];
self.view.backgroundColor = [UIColor whiteColor];
UILabel* nameLabel = [[UILabel alloc]initWithFrame:CGRectMake(74, 171, 42, 21)];
nameLabel.text = @"姓名";
[self.view addSubview:nameLabel];
UILabel* teleLabel = [[UILabel alloc]initWithFrame:CGRectMake(74, 259, 42, 21)];
teleLabel.text = @"电话";
[self.view addSubview:teleLabel];
[self btn];
self.navigationItem.title = @"修改联系人";
}
-(UITextField*) name{
if (!_name) {
_name = [[UITextField alloc]initWithFrame:CGRectMake(124, 171, 139, 30)];
_name.borderStyle = UITextBorderStyleRoundedRect;
[self.view addSubview:_name];
}
return _name;
}
-(UITextField*) tele{
if (!_tele) {
_tele = [[UITextField alloc]initWithFrame:CGRectMake(124, 254, 139, 30)];
_tele.borderStyle = UITextBorderStyleRoundedRect;
[self.view addSubview:_tele];
}
return _tele;
}
-(UIButton*)btn{
if (!_btn) {
_btn = [[UIButton alloc]initWithFrame:CGRectMake(114, 300, 156, 55)];
[_btn setTitle:@"保存" forState:UIControlStateNormal];
[_btn setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
[self.view addSubview:_btn];
[_btn addTarget:self action:@selector(save) forControlEvents:UIControlEventTouchUpInside];
}
return _btn;
}
-(void)save{
if ([self.delegate respondsToSelector:@selector(callBackFromChange:index:)]) {
NSMutableDictionary* infoDict = [NSMutableDictionary dictionary];
[infoDict setObject:self.name.text forKey:@"name"];
[infoDict setObject:self.tele.text forKey:@"tele"];
[self.delegate callBackFromChange:infoDict index:self.row];
}
[self.navigationController popViewControllerAnimated:YES];
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end