ios之UIToolBar

toolbar除了可以和navigationController一起用之外，也可以独立用到view里。工具栏UIToolbar – 一般显示在底部，用于提供一组选项，让用户执行一些功能，而并非用于在完全不同的UI界面之间切换；在不同 UI 界面切换，是选项卡 Tab Bar负责的。

  1 //
  2 //  TWFXToolBarViewController.m
  3 //  DemoToolBar
  4 //
  5 //  Created by Lion User on 13-1-19.
  6 //  Copyright (c) 2013年 Lion User. All rights reserved.
  7 //
  8
  9 #import "TWFXToolBarViewController.h"
 10
 11 @interface TWFXToolBarViewController ()
 12
 13 @end
 14
 15 @implementation TWFXToolBarViewController
 16
 17 - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
 18 {
 19     self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
 20     if (self) {
 21         // Custom initialization
 22
 23         //创建toolbar
 24         UIToolbar *toolBar = [[[UIToolbar alloc] initWithFrame:CGRectMake(0.0f, 420.0f, 320.0f, 40.0f) ] autorelease];
 25
 26         //创建barbuttonitem
 27         UIBarButtonItem *item1 = [[[UIBarButtonItem alloc] initWithTitle:@"收藏" style:UIBarButtonItemStyleBordered target:self action:@selector(test:)] autorelease];
 28
 29         //创建barbuttonitem
 30         UIBarButtonItem *item2 = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemBookmarks target:self action:nil] autorelease];
 31
 32         //创建一个segmentController
 33         UISegmentedControl *seg = [[[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:@"牛扒", @"排骨", nil] ] autorelease];
 34
 35         //设置style
 36         [seg setSegmentedControlStyle:UISegmentedControlSegmentCenter];
 37
 38
 39         [seg addTarget:self action:@selector(segmentControllerItem:) forControlEvents:UIControlEventValueChanged];
 40
 41         //创建一个内容是view的uibarbuttonitem
 42         UIBarButtonItem *itemSeg = [[[UIBarButtonItem alloc] initWithCustomView:seg] autorelease];
 43
 44         //创建barbuttonitem,样式是flexible,这个种barbuttonitem用于两个barbuttonitem之间
 45         //调整两个item之间的距离.flexible表示距离是动态的,fixed表示是固定的
 46         UIBarButtonItem *flexible = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:self action:nil] autorelease];
 47
 48         //把item添加到toolbar里
 49         [toolBar setItems:[NSArray arrayWithObjects:item1,flexible,itemSeg,flexible,item2, nil] animated:YES];
 50
 51         //把toolbar添加到view上
 52         [self.view addSubview:toolBar];
 53
 54     }
 55     return self;
 56 }
 57
 58 - (void)viewDidLoad
 59 {
 60     [super viewDidLoad];
 61     // Do any additional setup after loading the view from its nib.
 62 }
 63
 64 -(void)test:(id)sender
 65 {
 66     UIBarButtonItem *item = (UIBarButtonItem *) sender;
 67     NSString *title = [NSString stringWithFormat:@"%@ 被选中了",item.title];
 68
 69     UIAlertView *alertView = [[[UIAlertView alloc] initWithTitle:@"Attention" message:title delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil] autorelease];
 70
 71     [alertView show];
 72 }
 73
 74
 75 -(void)segmentControllerItem:(id)sender
 76 {
 77     UISegmentedControl *seg = (UISegmentedControl *) sender;
 78     NSInteger index = seg.selectedSegmentIndex;
 79     NSString *message;
 80     if (index == 0) {
 81         message = @"你选了牛扒";
 82     }
 83     else
 84     {
 85         message = @"你选了排骨";
 86     }
 87
 88     UIAlertView *alertView = [[[UIAlertView alloc] initWithTitle:@"Attenton" message:message delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil] autorelease];
 89
 90     [alertView show];
 91 }
 92
 93 - (void)didReceiveMemoryWarning
 94 {
 95     [super didReceiveMemoryWarning];
 96     // Dispose of any resources that can be recreated.
 97 }
 98
 99 - (IBAction)goBack:(UIButton *)sender {
100
101     [self dismissViewControllerAnimated:YES completion:nil];
102 }
103 @end