iOS 委托模式(6)

p>        [button setTitle:@"Button" forState:UIControlStateNormal];

p>        [button setFrame:CGRectMake(10, 10, 100, 50)];

p>        [button setTintColor:[UIColor blueColor]];

p>        

p>        //Target-Action模式   为button指定事件处理对象target为self，事件处理方法为buttonPressed

p>        [button addTarget:self action:@selector(buttonPressed) forControlEvents:UIControlEventTouchUpInside];

p>        [self addSubview:button];

p>        

p>    }

p>    return self;

p>}

p>//事件处理的响应方法

p>-(void)buttonPressed{

p>    

p>    [_mydelegate print:@"this is a view"];

p>}

p> 

p>@end

p>DelegateViewController.h

p> 

p> 

p>[cpp] 

p>#import <UIKit/UIKit.h>   

p>#import "MyView.h"   

p>  

p>@interface DelegateViewController : UIViewController<MyDelegate>  

p>  

p>@end  

p> 

p>#import <UIKit/UIKit.h>

p>#import "MyView.h"

p> 

p>@interface DelegateViewController : UIViewController<MyDelegate>

p> 

p>@end

p>DelegateViewController.m

p> 

p> 

p> 

p>[cpp] 

p>#import "DelegateViewController.h"   

p>  

p>@interface DelegateViewController ()  

p>  

p>@end  

p>  

p>@implementation DelegateViewController  

p>  

p>- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil  

p>{  

p>    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];  

p>    if (self) {  

p>        // Custom initialization   

p>    }  

p>    return self;  

p>}  

p>  

p>- (void)viewDidLoad  

p>{  

p>    [super viewDidLoad];  

p>    // Do any additional setup after loading the view.   

p>    MyView *myView = [[MyView alloc]initWithFrame:CGRectMake(50, 100, 200, 100)];  

p>    [myView setBackgroundColor:[UIColor yellowColor]];  

p>    myView.mydelegate = self;  

p>    [self.view addSubview:myView];  

p>}  

p>  

p>-(void)print:(NSString *)viewName {  

p>    NSLog(@"%@",viewName);  

p>}  

p>  

p>- (void)didReceiveMemoryWarning  

p>{  

p>    [super didReceiveMemoryWarning];  

p>    // Dispose of any resources that can be recreated.   

p>}  

p>