先在interface builder上放上6个rectbutton，竖放，一排三个
然后我们下面来看代码
.h文件代码
1 //
2 // AutoSizeViewController.h
3 // AutoSize
4 //
5 // Created by Scott on 10-10-26.
6 // Copyright 2010 __MyCompanyName__. All rights reserved.
7 //
8
9 #import
10
11 @interface AutoSizeViewController : UIViewController {
12 UIButton *button1;
13 UIButton *button2;
14 UIButton *button3;
15 UIButton *button4;
16 UIButton *button5;
17 UIButton *button6;
18 }
19
20 @property (nonatomic,retain) IBOutlet UIButton *button1;
21 @property (nonatomic,retain) IBOutlet UIButton *button2;
22 @property (nonatomic,retain) IBOutlet UIButton *button3;
23 @property (nonatomic,retain) IBOutlet UIButton *button4;
24 @property (nonatomic,retain) IBOutlet UIButton *button5;
25 @property (nonatomic,retain) IBOutlet UIButton *button6;
26 @end
27
下面我们看.m的代码
//
// AutoSizeViewController.m
// AutoSize
//
// Created by Scott on 10-10-26.
// Copyright 2010 __MyCompanyName__. All rights reserved.
//
#import "AutoSizeViewController.h"
@implementation AutoSizeViewController
@synthesize button1;
@synthesize button2;
@synthesize button3;
@synthesize button4;
@synthesize button5;
@synthesize button6;
/*
// The designated initializer. Override to perform setup that is required before the view is loaded.
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]))
{
// Custom initialization
}
return self;
}
*/
/*
// Implement loadView to create a view hierarchy programmatically, without using a nib.
- (void)loadView {
}
*/
/*
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
[super viewDidLoad];
}
*/
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
// Return YES for supported orientations
return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
}
- (void) willRotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration
{
if (interfaceOrientation==UIInterfaceOrientationPortrait || interfaceOrientation==UIInterfaceOrientationPortraitUpsideDown) {
button1.frame=CGRectMake(20, 20, 125, 125);
button2.frame=CGRectMake(175, 20, 125, 125);
button3.frame=CGRectMake(20, 168, 125, 125);
button4.frame=CGRectMake(175, 168, 125, 125);
button5.frame=CGRectMake(20, 315, 125, 125);
button6.frame=CGRectMake(175, 315, 125, 125);
}else {
button1.frame=CGRectMake(20, 20, 125, 125);
button2.frame=CGRectMake(20, 155, 125, 125);
button3.frame=CGRectMake(177, 20, 125, 125);
button4.frame=CGRectMake(177, 155, 125, 125);
button5.frame=CGRectMake(328, 20, 125, 125);
button6.frame=CGRectMake(328, 155, 125, 125);
}
}
- (void)didReceiveMemoryWarning {
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
- (void)viewDidUnload {
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
self.button1=nil;
self.button2=nil;
self.button3=nil;
self.button4=nil;
self.button5=nil;
self.button6=nil;
[super viewDidUnload];
}
- (void)dealloc {
[button1 release];
button2.release;
button3.release;
button4.release;
button5.release;
button6.release;
[super dealloc];
}
@end
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