iOS开发UI篇—Modal简单介绍

 1 #import "TXAppDelegate.h"
 2 #import "TXOneViewController.h"
 3 
 4 @implementation TXAppDelegate
 5 
 6 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 7 {
 8     self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
 9     
10     self.window.rootViewController = [[TXOneViewController alloc] init];
11     
12     [self.window makeKeyAndVisible];
13     return YES;
14 }
15             

 1 #import "TXOneViewController.h"
 2 #import "TXTwoViewController.h"
 3 
 4 @interface TXOneViewController ()
 5 - (IBAction)jump;
 6 
 7 @end
 8 
 9 @implementation TXOneViewController
10 
11 - (void)viewDidLoad
12 {
13     [super viewDidLoad];
14     // Do any additional setup after loading the view from its nib.
15 }
16 
17 - (IBAction)jump {
18     // 展示TXTwoViewController
19     TXTwoViewController *two = [[TXTwoViewController alloc] init];
20     
21     UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:two];
22     
23     [self presentViewController:nav animated:YES completion:^{
24         NSLog(@"展示TXTwoViewController完毕.......");
25     }];
26 }
27 @end

 1 #import "TXTwoViewController.h"
 2 
 3 @interface TXTwoViewController ()
 4 - (IBAction)cancel;
 5 
 6 @end
 7 
 8 @implementation TXTwoViewController
 9 
10 - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
11 {
12     self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
13     if (self) {
14         // Custom initialization
15     }
16     return self;
17 }
18 
19 - (void)viewDidLoad
20 {
21     [super viewDidLoad];
22     
23     self.title = @"第2个控制器";
24 //    self.navigationItem.title
25     self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"取消" style:UIBarButtonItemStyleDone target:self action:@selector(cancel)];
26 }
27 
28 - (void)didReceiveMemoryWarning
29 {
30     [super didReceiveMemoryWarning];
31     // Dispose of any resources that can be recreated.
32 }
33 
34 - (IBAction)cancel {
35 //    NSLog(@"%@", self.view.window.rootViewController);
36 //    NSLog(@"%@", self.view.window.subviews);
37     [self dismissViewControllerAnimated:YES completion:^{
38         NSLog(@"关闭TXTwoViewController....");
39     }];
40 //    [self.navigationController dismissViewControllerAnimated:YES completion:^{
41 //        NSLog(@"关闭TXTwoViewController....");
42 //    }];
43 }
44 @end

 1 #import "TXViewController.h"
 2 #import "TXTwoViewController.h"
 3 
 4 @interface TXViewController ()
 5 
 6 @end
 7 
 8 @implementation TXViewController
 9 
10 - (void)viewDidLoad
11 {
12     [super viewDidLoad];
13     // Do any additional setup after loading the view, typically from a nib.
14 }
15 /*
16    如果控制器之间的关系比较紧密一般用 UINavigationController
17    如果控制器之间的关系不是很紧密可以用Modal
18 */
19 - (void)didReceiveMemoryWarning
20 {
21     [super didReceiveMemoryWarning];
22     // Dispose of any resources that can be recreated.
23 }
24 //通过segue跳转前，会调用这个方法，在这个方法中把数据传递给弹出来的模态窗口
25 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
26 {
27     UINavigationController *nav = segue.destinationViewController;
28     
29     TXTwoViewController *two = (TXTwoViewController *)nav.topViewController;
30     
31     two.name = @"小说哥";
32     
33 }
34 
35 @end

1 #import <UIKit/UIKit.h>
2 
3 @interface TXTwoViewController : UIViewController
4 @property (nonatomic, copy) NSString *name;
5 @end

#import "TXTwoViewController.h"

@interface TXTwoViewController ()
- (IBAction)cancel:(id)sender;


@end

@implementation TXTwoViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    NSLog(@"%@", self.name);
}

- (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.
}
*/

- (IBAction)cancel:(id)sender {
    [self dismissViewControllerAnimated:YES completion:nil];
}
@end