关于UIMenuController的一个小示例-创新互联

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// PLViewController.m

// MenuView

// Created by apple－zql on 13-4-18.

#import "PLViewController.h"

@interface PLViewController ()

@end

@implementation PLViewController

- (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.

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

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

[myBtn setTitle:@"你好" forState:UIControlStateNormal];

myBtn.backgroundColor = [UIColor blackColor];

[myBtn addTarget:self action:@selector(showMenu:) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:myBtn];

[myBtn release];

}

- (void) showMenu:(id)sender

{

[self becomeFirstResponder];

UIMenuController *menu = [UIMenuController sharedMenuController];

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];

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

[menu setMenuVisible:YES animated:YES];

}

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

{

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

return YES;//显示

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

return YES;

}

return NO;//不显示

}

- (void) click1:(id)sender{

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"1111" message:@"1111" delegate:self cancelButtonTitle:@"OK" otherButtonTitles: nil];

[alert show];

}

- (void) click:(id)sender{

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"2222" message:@"2222" delegate:self cancelButtonTitle:@"OK" otherButtonTitles: nil];

[alert show];

}

- (BOOL)canBecomeFirstResponder{

return YES;

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end

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