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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.

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

//

#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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