iPhone控制項之UIToolbar

 1 //
 2 //  UITestViewController.m
 3 //  UITest
 4 //
 5 
 6 #import "UITestViewController.h"
 7 
 8 @implementation UITestViewController
 9 
10 
11 - (void)buttonClick:(id)sender {
12     
13     NSLog(@"you clicked button: %@",[sender title]);
14 }
15 
16 - (void)viewDidLoad {
17     
18     [super viewDidLoad];
19     
20     CGSize viewSize = self.view.frame.size;
21     float toolbarHeight = 44.0;
22     CGRect toolbarFrame = CGRectMake(0,viewSize.height-toolbarHeight,viewSize.width,toolbarHeight);
23 
24     UIToolbar *myToolbar = [[UIToolbar alloc] initWithFrame:toolbarFrame];
25     
26     myToolbar.autoresizingMask = UIViewAutoresizingFlexibleWidth 
27                                  | 
28                                  UIViewAutoresizingFlexibleLeftMargin 
29                                  | 
30                                  UIViewAutoresizingFlexibleRightMargin 
31                                  | 
32                                  UIViewAutoresizingFlexibleTopMargin;
33     
34     UIBarButtonItem *button1 = [[UIBarButtonItem alloc] initWithTitle:@"button 1" 
35                                                                 style:UIBarButtonItemStylePlain target:self 
36                                                                action:@selector(buttonClick:)];
37     
38     UIBarButtonItem *button2 = [[UIBarButtonItem alloc] initWithTitle:@"button 2" 
39                                                                 style:UIBarButtonItemStyleBordered 
40                                                                target:self 
41                                                                action:@selector(buttonClick:)];
42     
43     UIBarButtonItem *button3 = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"apple_icon.png"] 
44                                                                 style:UIBarButtonItemStyleBordered 
45                                                                target:self 
46                                                                action:@selector(buttonClick:)];
47     
48     UIBarButtonItem *flexButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace 
49                                                                                 target:nil 
50                                                                                 action:nil];
51     
52     UIBarButtonItem *trashButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash 
53                                                                                  target:self 
54                                                                                  action:@selector(buttonClick:)];
55     
56     NSArray *buttons = [[NSArray alloc] initWithObjects:button1,button2,button3, flexButton,trashButton,nil];
57     
58     //cleanup
59     [button1 release];
60     [button2 release];
61     [button3 release];
62     [flexButton release];
63     [trashButton release];
64     
65     [myToolbar setItems:buttons animated:NO];
66 
67     [buttons release];
68     
69     [self.view addSubview:myToolbar];
70     
71     [myToolbar release];    
72 }
73 
74 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
75     
76     return YES;
77 }
78 
79 - (void)didReceiveMemoryWarning {
80     // Releases the view if it doesn't have a superview.
81     [super didReceiveMemoryWarning];
82     
83     // Release any cached data, images, etc that aren't in use.
84 }
85 
86 - (void)viewDidUnload {
87     // Release any retained subviews of the main view.
88 // e.g. self.myOutlet = nil;
89 }
90 
91 
92 - (void)dealloc {
93     [super dealloc];
94 }
95 
96 @end