微博

#import "AppDelegate.h"

#import "FirstViewController.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    _window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];

    _window.backgroundColor = [UIColor whiteColor];

    [_window makeKeyAndVisible];

    

//创建三级控制器

    FirstViewController *firstCtrl = [[FirstViewController alloc] init];

    UINavigationController *navCtrl = [[UINavigationController alloc] initWithRootViewController:firstCtrl];

    _window.rootViewController = navCtrl;

    return YES;

}

在FirstViewController.h中导入

#import "SecondViewController.h"

#import "ThirdViewController.h"

#define KScreenW [UIScreen mainScreen].bounds.size.width

#define KScreenH [UIScreen mainScreen].bounds.size.height

@interface FirstViewController ()

@end

@implementation FirstViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    

//设置导航栏显示的图片

    [self.navigationController.navigationBar setBackgroundImage:[UIImage imageNamed:@"navbar_bg_normal"] forBarMetrics:UIBarMetricsDefault];

//    设置导航栏标题

    UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 90, 50)];

    titleLabel.text = @"乔布斯的微博";

    titleLabel.textColor = [UIColor whiteColor];

    self.navigationItem.titleView = titleLabel;

    [titleLabel release];

    

//设置背景图

    UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, KScreenW, KScreenH)];

    imgView.image = [UIImage imageNamed:@"bj.jpg"];

    [self.view addSubview:imgView];

    [imgView release];

    

//    设置一个导航按钮，在上面创建一个视图来控制按钮的距离

    UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 34)];

    UIBarButtonItem *barItem = [[UIBarButtonItem alloc] initWithCustomView:view];

     self.navigationItem.leftBarButtonItem = barItem;

//    左侧按钮（编辑）

    UIButton *leftButton1 = [UIButton buttonWithType:UIButtonTypeCustom];

    leftButton1.frame = CGRectMake(0, 0, 33, 32);

    [leftButton1 setBackgroundImage:[UIImage imageNamed:@"write"] forState:UIControlStateNormal];

    [leftButton1 addTarget:self action:@selector(leftButton1Action) forControlEvents:UIControlEventTouchUpInside];

    [view addSubview:leftButton1];

    

//    左侧按钮（搜索）

    UIButton *leftButton2 = [UIButton buttonWithType:UIButtonTypeCustom];

    leftButton2.frame = CGRectMake(60, 0, 33, 32);

    [leftButton2 setBackgroundImage:[UIImage imageNamed:@"btn_search"] forState:UIControlStateNormal];

    [leftButton2 addTarget:self action:@selector(leftButton2Action) forControlEvents:UIControlEventTouchUpInside];

    [view addSubview:leftButton2];

    

//    刷新按钮

    UIButton *rightButton = [UIButton buttonWithType:UIButtonTypeCustom];

    rightButton.frame = CGRectMake(0, 0, 35, 33);

    [rightButton setBackgroundImage:[UIImage imageNamed:@"刷新"] forState:UIControlStateNormal];

    [rightButton setBackgroundImage:[UIImage imageNamed:@"刷新选中"] forState:UIControlStateHighlighted];

    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:rightButton];

    

}

- (void)leftButton1Action {

    

    SecondViewController *secondCtrl = [[SecondViewController alloc] init];

    [self presentViewController:secondCtrl animated:YES completion:nil]

    ;

    [secondCtrl release];

    

}

- (void)leftButton2Action {

    

    ThirdViewController *thirdCtrl = [[ThirdViewController alloc] init];

    [self.navigationController pushViewController:thirdCtrl animated:YES];

    [thirdCtrl release];

    

}

在SecondViewController.h

#define KScreenW [UIScreen mainScreen].bounds.size.width

#define KScreenH [UIScreen mainScreen].bounds.size.height

@interface SecondViewController ()

@end

@implementation SecondViewController

- (void)viewDidLoad {

    [super viewDidLoad];

//  设置背景图

    UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, KScreenW, KScreenH)];

    imgView.image = [UIImage imageNamed:@"bj.jpg"];

    [self.view addSubview:imgView];

    [imgView release];

    

    UIImageView *imgView1 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, KScreenW, 64)];

    imgView1.image = [UIImage imageNamed:@"navbar_bg_normal"];

    [self.view addSubview:imgView1];

    

//    设置导航栏标题

    UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(160, 15, 90, 50)];

    titleLabel.text = @"写微博";

    titleLabel.textColor = [UIColor whiteColor];

//    self.navigationItem.titleView = titleLabel;

//    [titleLabel release];

    [imgView1 addSubview:titleLabel];

    

//    返回键

    UIButton *button1 = [UIButton buttonWithType:UIButtonTypeCustom];

    button1.frame = CGRectMake(0, 25, 68, 33);

    [button1 setTitle:@"返回" forState:UIControlStateNormal];

    [button1 setBackgroundImage:[UIImage imageNamed:@"back"] forState:UIControlStateNormal];

    [button1 setBackgroundImage:[UIImage imageNamed:@"back_on"] forState:UIControlStateHighlighted];

    [button1 addTarget:self action:@selector(buttonAction) forControlEvents:UIControlEventTouchUpInside];

    [imgView1 addSubview:button1];

    imgView1.userInteractionEnabled = YES;

//    文本框

    UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(10, 74, KScreenW - 20, 150)];

    textView.font = [UIFont systemFontOfSize:20];

    [self.view addSubview:textView];

    

//    发送

    UIButton *sendButton = [UIButton buttonWithType:UIButtonTypeCustom];

    sendButton.frame = CGRectMake(10, 240, 97, 45);

    [sendButton setTitle:@"发送" forState:UIControlStateNormal];

    [sendButton setBackgroundImage:[UIImage imageNamed:@"登陆"] forState:UIControlStateNormal];

    [sendButton setBackgroundImage:[UIImage imageNamed:@"登陆_h"] forState:UIControlStateHighlighted];

    [self.view addSubview:sendButton];

}

- (void)buttonAction {

    [self dismissViewControllerAnimated:YES completion:nil];  

}

在ThirdViewController.h中导入

#import "FourthViewController.h"

#define KScreenW [UIScreen mainScreen].bounds.size.width

#define KScreenH [UIScreen mainScreen].bounds.size.height

@interface ThirdViewController ()

@end

@implementation ThirdViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    

//  设置背景图

    UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, KScreenW, KScreenH)];

    imgView.image = [UIImage imageNamed:@"bj.jpg"];

    [self.view addSubview:imgView];

    [imgView release];

    

//    设置导航栏标题

    UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 90, 50)];

    titleLabel.text = @"图片新闻";

    titleLabel.textColor = [UIColor whiteColor];

    self.navigationItem.titleView = titleLabel;

    [titleLabel release];

//    返回键

    UIButton *button1 = [UIButton buttonWithType:UIButtonTypeCustom];

    button1.frame = CGRectMake(0, 0, 68, 33);

    [button1 setTitle:@"返回" forState:UIControlStateNormal];

    [button1 setBackgroundImage:[UIImage imageNamed:@"back"] forState:UIControlStateNormal];

    [button1 setBackgroundImage:[UIImage imageNamed:@"back_on"] forState:UIControlStateHighlighted];

    [button1 addTarget:self action:@selector(buttonAction) forControlEvents:UIControlEventTouchUpInside];

    UIBarButtonItem *backItem = [[UIBarButtonItem alloc] initWithCustomView:button1];

    self.navigationItem.leftBarButtonItem = backItem;

    [backItem release];

    UIButton *imgButton = [UIButton buttonWithType:UIButtonTypeCustom];

    imgButton.frame = CGRectMake(10, 10, 90, 90);

    imgButton.tag = 101;

    [imgButton setImage:[UIImage imageNamed:@"20120618100.jpg"] forState:UIControlStateNormal];

    [imgButton addTarget:self action:@selector(imgButtonAction:) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:imgButton];

    

    UIButton *imgButton1 = [UIButton buttonWithType:UIButtonTypeCustom];

    imgButton1.frame = CGRectMake(110, 10, 90, 90);

    imgButton1.tag = 102;

    [imgButton1 setImage:[UIImage imageNamed:@"20120618101.jpg"] forState:UIControlStateNormal];

    [imgButton1 addTarget:self action:@selector(imgButtonAction:) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:imgButton1];

 

}

- (void)viewWillAppear:(BOOL)animated{

    

    [super viewWillAppear:animated];

    self.navigationController.toolbarHidden = YES;

    self.navigationController.navigationBar.translucent = NO;

}

- (void)buttonAction {

    [self.navigationController popToRootViewControllerAnimated:YES];

}

- (void)imgButtonAction:(UIButton *)button{

    

//    if (button.tag == 101) {

//        

//        FourthViewController *fourthCtrl = [[FourthViewController alloc] init];

//        [self.navigationController pushViewController:fourthCtrl animated:YES];

//        [fourthCtrl release];

//        

//    }else if (button.tag == 102){

//        FiveViewController *fiveCtrl = [[FiveViewController alloc] init];

//        [self.navigationController pushViewController:fiveCtrl animated:YES];

//        [fiveCtrl release];

//    }

    UIImage *image = [button imageForState:UIControlStateNormal];

    

    FourthViewController *fourCtrl = [[FourthViewController alloc] init];

    fourCtrl.image = image;

    

    [self.navigationController pushViewController:fourCtrl animated:YES];

}

在FourthViewController.h中

#define KScreenW [UIScreen mainScreen].bounds.size.width

#define KScreenH [UIScreen mainScreen].bounds.size.height

@interface FourthViewController ()

@end

@implementation FourthViewController

- (void)viewDidLoad {

    [super viewDidLoad];

//    //  设置背景图

//    UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, KScreenW, KScreenH)];

//    imgView.image = [UIImage imageNamed:@"20120618100.jpg"];

//    [self.view addSubview:imgView];

//    [imgView release];

//    

//    UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 90, 50)];

//    titleLabel.text = @"无限图片";

//    titleLabel.textColor = [UIColor whiteColor];

//    self.navigationItem.titleView = titleLabel;

//    [titleLabel release];

//    

//    UIButton *button1 = [UIButton buttonWithType:UIButtonTypeCustom];

//    button1.frame = CGRectMake(0, 0, 68, 33);

//    [button1 setTitle:@"图片新闻" forState:UIControlStateNormal];

//    button1.titleLabel.font = [UIFont systemFontOfSize:12];

//    [button1 setBackgroundImage:[UIImage imageNamed:@"back"] forState:UIControlStateNormal];

//    [button1 setBackgroundImage:[UIImage imageNamed:@"back_on"] forState:UIControlStateHighlighted];

//    [button1 addTarget:self action:@selector(buttonAction) forControlEvents:UIControlEventTouchUpInside];

//    UIBarButtonItem *backItem = [[UIBarButtonItem alloc] initWithCustomView:button1];

//    self.navigationItem.leftBarButtonItem = backItem;

//    [backItem release];

//    

//    UIVisualEffectView *visualEffectView1 = [[UIVisualEffectView alloc] initWithEffect:[UIBlurEffect effectWithStyle:UIBlurEffectStyleDark]];

//    visualEffectView1.frame = CGRectMake(0, KScreenH -130, KScreenW, 90);

//    visualEffectView1.alpha = .6;

//    [self.view addSubview:visualEffectView1];

//    

//    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, KScreenH -130, KScreenW, 90)];

//    label.numberOfLines = 4;

//    label.textColor = [UIColor whiteColor];

//    label.text = @"神九和天宫对接后，航天员在太空中拥有一套两居室，吃饭在神九轨道舱内，睡觉以及一系列的科学实验则是在天宫里完成，作息时间基本和北京时间一致。";

//    [self.view addSubview:label];

    

    UIImageView *imageView = [[UIImageView alloc] initWithFrame:self.view.bounds];

    imageView.image = self.image;

    [self.view addSubview:imageView];

    

    self.navigationController.toolbarHidden = NO;

    self.navigationController.navigationBar.translucent = YES;

}

- (void)buttonAction {

    

    [self.navigationController popViewControllerAnimated:YES];

    

}