关于UIMenuController的一个小示例

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//

//  PLViewController.m

//  MenuView

//

//  Created by apple－zql on 13-4-18.

//  Copyright (c) 2013年 apple－zql. All rights reserved.

//

#import"PLViewController.h"

@interfacePLViewController ()

@end

@implementation PLViewController

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

{

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

    if (self) {

       // Custom initialization

    }

   returnself;

}

- (void)viewDidLoad

{

    [superviewDidLoad];

// Do any additional setup after loading the view.

    UIButton *myBtn = [[UIButton alloc] init];

    myBtn.frame = CGRectMake(100, 100, 100, 20);

    [myBtnsetTitle:@"你好"forState:UIControlStateNormal];

    myBtn.backgroundColor = [UIColorblackColor];

    [myBtnaddTarget:selfaction:@selector(showMenu:)forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:myBtn];

    [myBtn release];

}

- (void) showMenu:(id)sender

{

    [selfbecomeFirstResponder];

   UIMenuController *menu = [UIMenuControllersharedMenuController];

    UIMenuItem *item1 = [[UIMenuItem alloc] initWithTitle:@"1111" action:@selector(click:)];

    UIMenuItem *item2 = [[UIMenuItem alloc] initWithTitle:@"2222" action:@selector(click1:)];

    menu.menuItems = [NSArray arrayWithObjects:item1,item2, nil];

    [menusetTargetRect:CGRectMake(10,10,30,30)inView:self.view];

    [menusetMenuVisible:YESanimated:YES];

}

- (BOOL)canPerformAction:(SEL)action withSender:(id)sender

{

    if (action == @selector(click:)) {

        return YES;//显示

    }else if(action == @selector(click1:)){

        return YES;

    }

   returnNO;//不显示

}

- (void) click1:(id)sender{

   UIAlertView *alert = [[UIAlertViewalloc]initWithTitle:@"1111"message:@"1111"delegate:selfcancelButtonTitle:@"OK"otherButtonTitles:nil];

    [alert show];

}

- (void) click:(id)sender{

   UIAlertView *alert = [[UIAlertViewalloc]initWithTitle:@"2222"message:@"2222"delegate:selfcancelButtonTitle:@"OK"otherButtonTitles:nil];

    [alert show];

}

- (BOOL)canBecomeFirstResponder{

   returnYES;

}

- (void)didReceiveMemoryWarning

{

    [superdidReceiveMemoryWarning];

   // Dispose of any resources that can be recreated.

}

@end