#import <UIKit/UIKit.h> @interface AppDelegate : UIResponder <UIApplicationDelegate> @property (strong, nonatomic) UIWindow *window; @end
#import "AppDelegate.h"
#import "FirstViewController.h"
@interface AppDelegate () @end @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor whiteColor];
//初始化控制器
UINavigationController *navi = [[UINavigationController alloc] initWithRootViewController:[[FirstViewController alloc] init]];
self.window.rootViewController = navi; [self.window makeKeyAndVisible];
return YES;
} @end
#import <UIKit/UIKit.h> @interface FirstViewController : UIViewController @end
#import "FirstViewController.h"
#import "SecondViewController.h"
@interface FirstViewController () @end @implementation FirstViewController - (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor redColor];
self.title = @"第一个控制器"; UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(, , , );
button.backgroundColor = [UIColor whiteColor];
[button setTitle:@"跳到第二个控制器" forState:];
[button setTitleColor:[UIColor greenColor] forState:];
[button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button];
} - (void)buttonAction:(UIButton *)sender{
[self.navigationController pushViewController:[[SecondViewController alloc] init] animated:YES];
} - (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} @end
#import <UIKit/UIKit.h> @interface SecondViewController : UIViewController @end
#import "SecondViewController.h"
#import "ThirdViewController.h"
@interface SecondViewController () @end @implementation SecondViewController - (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor orangeColor];
self.title = @"第二个控制器"; UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(, , , );
button.backgroundColor = [UIColor whiteColor];
[button setTitle:@"跳到第三个控制器" forState:];
[button setTitleColor:[UIColor greenColor] forState:];
[button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button];
} - (void)buttonAction:(UIButton *)sender{
[self.navigationController pushViewController:[[ThirdViewController alloc] init] animated:YES];
} - (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} @end
#import <UIKit/UIKit.h> @interface ThirdViewController : UIViewController @end
#import "ThirdViewController.h"
#import "FourthViewController.h" @interface ThirdViewController () @end @implementation ThirdViewController - (void)viewDidLoad {
[super viewDidLoad];
self.title = @"第三个控制器";
self.view.backgroundColor = [UIColor yellowColor]; UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(, , , );
button.backgroundColor = [UIColor whiteColor];
[button setTitle:@"跳到第四个控制器" forState:];
[button setTitleColor:[UIColor greenColor] forState:];
[button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button];
} - (void)buttonAction:(UIButton *)sender{
[self.navigationController pushViewController:[[FourthViewController alloc] init] animated:YES];
} - (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} @end
#import <UIKit/UIKit.h> @interface FourthViewController : UIViewController @end
#import "FourthViewController.h"
#import "FifthViewController.h"
@interface FourthViewController () @end @implementation FourthViewController - (void)viewDidLoad {
[super viewDidLoad];
self.title = @"第四个控制器";
self.view.backgroundColor = [UIColor greenColor]; UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(, , , );
button.backgroundColor = [UIColor whiteColor];
[button setTitle:@"跳到第五个控制器" forState:];
[button setTitleColor:[UIColor greenColor] forState:];
[button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button]; } - (void)buttonAction:(UIButton *)sender{
[self.navigationController pushViewController:[[FifthViewController alloc] init] animated:YES];
} - (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} @end
#import <UIKit/UIKit.h> @interface FifthViewController : UIViewController @end
#import "FifthViewController.h"
#import "ThirdViewController.h"
@interface FifthViewController () @end @implementation FifthViewController - (void)viewDidLoad {
[super viewDidLoad];
self.title = @"第五个控制器";
self.view.backgroundColor = [UIColor blueColor];
[self setupViews];
}
/**
* 初始化视图
*/
- (void)setupViews{
[self initializeButtonWithFrame:CGRectMake(, , , ) tag: title:@"返回第一个控制器"];
[self initializeButtonWithFrame:CGRectMake(, , , ) tag: title:@"返回第二个控制器"];
[self initializeButtonWithFrame:CGRectMake(, , , ) tag: title:@"返回第三个控制器"];
[self initializeButtonWithFrame:CGRectMake(, , , ) tag: title:@"返回第四个控制器"];
}
/**
* 初始化button
*
* @param frame 尺寸
* @param tag 标签
* @param title button的标题
*/
- (void)initializeButtonWithFrame:(CGRect)frame tag:(NSInteger)tag title:(NSString *)title {
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame =frame;
button.tag = tag;
button.backgroundColor = [UIColor orangeColor];
[button setTitle:title forState:];
[button setTitleColor:[UIColor whiteColor] forState:];
[button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button];
}
/**
* button触发的事件
*/
- (void)buttonAction:(UIButton *)sender{
// 在self.navigationController.viewControllers数组(的栈)中找到相应的控制器
UIViewController *viewController = self.navigationController.viewControllers[sender.tag - ];
[self.navigationController popToViewController:viewController animated:YES]; //跳到某一控制器
//遍历导航控制器(栈)中的控制器
// for (UIViewController *controller in self.navigationController.viewControllers) {
// // 找到相应的控制器
// if ([controller isKindOfClass:[ThirdViewController class]]) {
// //跳转到该控制器
// [self.navigationController popToViewController:controller animated:YES];
// }
// }
} - (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} @end