iOS开发项目篇—03添加导航控制器

 1 //
 2 //  YYTabBarViewController.m
 3 //  02-微博添加子控制器和设置项目结构
 4 //
 5 //  Created by apple on 14-7-3.
 6 //  Copyright (c) 2014年 itcase. All rights reserved.
 7 //
 8 
 9 #import "YYTabBarViewController.h"
10 #import "YYHomeTableViewController.h"
11 #import "YYDiscoverViewController.h"
12 #import "YYMessageViewController.h"
13 #import "YYProfileViewController.h"
14 #import "UIImage+Extension.h"
15 #import "YYNavigationViewController.h"
16 
17 @interface YYTabBarViewController ()
18 
19 @end
20 
21 @implementation YYTabBarViewController
22 
23 
24 - (void)viewDidLoad
25 {
26     [super viewDidLoad];
27     //添加四个子控制器
28     YYHomeTableViewController *home=[[YYHomeTableViewController alloc]init];
29     [self addOneChildVc:home title:@"首页" imageName:@"tabbar_home" selectedImageName:@"tabbar_home_selected"];
30     
31     
32     YYMessageViewController *message=[[YYMessageViewController alloc]init];
33     [self addOneChildVc:message title:@"消息" imageName:@"tabbar_message_center" selectedImageName:@"tabbar_message_center_selected"];
34     
35     YYDiscoverViewController *discover=[[YYDiscoverViewController alloc]init];
36     [self addOneChildVc:discover title:@"发现" imageName:@"tabbar_discover" selectedImageName:@"tabbar_discover_selected"];
37     
38     YYProfileViewController *profile=[[YYProfileViewController alloc]init];
39     [self addOneChildVc:profile title:@"我" imageName:@"tabbar_profile" selectedImageName:@"tabbar_profile_selected"];
40 }
41 
42 /**
43  *  添加一个子控制器
44  *
45  *  @param childVC           子控制对象
46  *  @param title             标题
47  *  @param imageName         图标
48  *  @param selectedImageName 选中时的图标
49  */
50 -(void)addOneChildVc:(UIViewController *)childVc title:(NSString *)title imageName:(NSString *)imageName selectedImageName:(NSString *)selectedImageName
51 {
52     //随机设置子控制器的背景颜色
53     childVc.view.backgroundColor=YYRandomColor;
54     
55     //设置标题
56     childVc.title=title;  //相当于设置了后两者的标题
57 //    childVc.navigationItem.title=title;//设置导航栏的标题
58 //    childVc.tabBarItem.title=title;//设置tabbar上面的标题
59     
60     //设置图标
61     childVc.tabBarItem.image=[UIImage imageWithName:imageName];
62     //设置选中时的图标
63     UIImage *selectedImage=[UIImage imageWithName:selectedImageName];
64     
65     
66     if (iOS7) {
67         // 声明这张图片用原图(别渲染)
68         selectedImage = [selectedImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
69     }
70     childVc.tabBarItem.selectedImage = selectedImage;
71     
72      // 添加为tabbar控制器的子控制器
73     YYNavigationViewController *nav=[[YYNavigationViewController alloc]initWithRootViewController:childVc];
74     
75     [self addChildViewController:nav];
76 
77 }
78 
79 
80 // 在iOS7中, 会对selectedImage的图片进行再次渲染为蓝色
81 // 要想显示原图, 就必须得告诉它: 不要渲染
82 
83 // Xcode的插件安装路径: /Users/用户名/Library/Application Support/Developer/Shared/Xcode/Plug-ins
84 @end

 1 //
 2 //  YYUINavigationViewController.m
 3 //  03-微博增加导航功能
 4 //
 5 //  Created by 孔医己 on 14-7-3.
 6 //  Copyright (c) 2014年 itcase. All rights reserved.
 7 //
 8 
 9 #import "YYNavigationViewController.h"
10 
11 @interface YYNavigationViewController ()
12 
13 @end
14 
15 @implementation YYNavigationViewController
16 
17 - (void)viewDidLoad
18 {
19     [super viewDidLoad];
20 }
21 
22 -(void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
23 {
24     //如果现在push的不是栈顶控制器，那么久隐藏tabbar工具条
25     if (self.viewControllers.count>0) {
26         viewController.hidesBottomBarWhenPushed=YES;
27     }
28     [super pushViewController:viewController animated:YES];
29 }
30 
31 @end

 1 //
 2 //  YYHomeTableViewController.m
 3 //  02-微博添加子控制器和设置项目结构
 4 //
 5 //  Created by apple on 14-7-3.
 6 //  Copyright (c) 2014年 itcase. All rights reserved.
 7 //
 8 
 9 #import "YYHomeTableViewController.h"
10 
11 @interface YYHomeTableViewController ()
12 
13 @end
14 
15 @implementation YYHomeTableViewController
16 
17 - (id)initWithStyle:(UITableViewStyle)style
18 {
19     self = [super initWithStyle:style];
20     if (self) {
21         // Custom initialization
22     }
23     return self;
24 }
25 
26 - (void)viewDidLoad
27 {
28     [super viewDidLoad];
29 }
30 
31 #pragma mark - Table view data source
32 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
33 {
34     return 20;
35 }
36 
37 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
38 {
39     static NSString *ID = @"cell";
40     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
41     if (!cell) {
42         cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];
43     }
44     cell.textLabel.text = [NSString stringWithFormat:@"%d----首页测试数据", indexPath.row];
45     return cell;
46 }
47 
48 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
49 {
50     //点击cell的时候，跳到下一个界面
51     UIViewController *newVc = [[UIViewController alloc] init];
52     newVc.view.backgroundColor = [UIColor redColor];
53     newVc.title = @"新控制器";
54     [self.navigationController pushViewController:newVc animated:YES];
55 }
56 
57 @end