一、旋转后相对位置不变
<img src="http://img.blog.csdn.net/20140716104252587?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /></span></strong></p><p><strong><span style="font-size:24px"><img src="http://img.blog.csdn.net/20140716104037843?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /></span></strong></p><p><strong><span style="font-size:24px"></span></strong></p><p><strong><span style="font-size:24px"><span style="font-size:24px"><strong>二、旋转后</strong></span>相对位置变化</span></strong></p><p><strong><span style="font-size:24px"> 2.1默认：</span></strong></p><p><strong><span style="font-size:24px"><img src="http://img.blog.csdn.net/20140716104736835?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /><img src="http://img.blog.csdn.net/20140716104742795?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /><img src="http://img.blog.csdn.net/20140716104755025?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /></span></strong></p><p><strong><span style="font-size:24px"></span></strong></p><p><strong><span style="font-size:24px"></span></strong></p><p><strong><span style="font-size:24px"> 2.2调整后</span></strong></p><p><strong><span style="font-size:24px"></span></strong></p><p><strong><span style="font-size:24px"><img src="http://img.blog.csdn.net/20140716104652390?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /><img src="http://img.blog.csdn.net/20140716104713828?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /><img src="http://img.blog.csdn.net/20140716104957298?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /><img src="http://img.blog.csdn.net/20140716104734375?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /></span></strong></p><p><strong><span style="font-size:24px"></span></strong></p><p><strong><span style="font-size:24px">三、小鸡 </span></strong></p><p><strong><span style="font-size:24px"> 3.1 在APP级别设置支持哪些方向：</span></strong></p><p><strong><span style="font-size:24px"> <img src="http://img.blog.csdn.net/20140716105023312?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZ29nbGVy/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /></span></strong></p><p><strong><span style="font-size:24px"></span></strong></p><p><strong><span style="font-size:24px"> 3.2 在viewController(xlib)级别设置<strong><span style="font-size:24px">支持哪些方向</span></strong></span></strong></p><p><strong><span style="font-size:24px"></span></strong></p><p><strong><span style="font-size:24px"></span></strong></p><pre code_snippet_id="427694" snippet_file_name="blog_20140716_2_4821943" name="code" class="objc">//// JAViewController.m// Orientations//// Created by jason on 14-7-15.// Copyright (c) 2014年 jason. All rights reserved.//#import "JAViewController.h"@interface JAViewController ()@end@implementation JAViewController- (void)viewDidLoad{ [super viewDidLoad];// Do any additional setup after loading the view, typically from a nib.}- (void)didReceiveMemoryWarning{ [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.}//重写这个方法-(NSUInteger)supportedInterfaceOrientations{// return (UIInterfaceOrientationMaskPortrait|UIInterfaceOrientationMaskLandscapeLeft|UIInterfaceOrientationMaskPortraitUpsideDown);// return UIInterfaceOrientationMaskAll; return (UIInterfaceOrientationMaskLandscapeRight|UIInterfaceOrientationMaskLandscapeLeft|UIInterfaceOrientationMaskPortraitUpsideDown);}@end
3.3 使用约束Contstraints
3.4 当上面的Contraints办法满足不了时，关闭掉它，让后在ViewController.m中通过代码实现。
//
// JAViewController.m
// Restructure
//
// Created by jason on 14-7-16.
// Copyright (c) 2014年 jason. All rights reserved.
//
#import "JAViewController.h"
@interface JAViewController ()
@property (weak, nonatomic) IBOutlet UIButton *actionButton1;
@property (weak, nonatomic) IBOutlet UIButton *actionButton2;
@property (weak, nonatomic) IBOutlet UIButton *actionButton3;
@property (weak, nonatomic) IBOutlet UIButton *actionButton4;
@property (weak, nonatomic) IBOutlet UIView *contentView;
@end
@implementation JAViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// 从这里开始
UIApplication *app = [UIApplication sharedApplication];
UIInterfaceOrientation currentOrientation = app.statusBarOrientation;
[self doLayoutForOrientation:currentOrientation];//跳转到实际处理处
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
//从这里开始
-(void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{
[self doLayoutForOrientation:toInterfaceOrientation];
}
//确定当前方向
-(void)doLayoutForOrientation:(UIInterfaceOrientation)orientation
{
if (UIInterfaceOrientationIsPortrait(orientation)) {
[self layoutPortrait];
} else {
[self layoutLandscape];
}
}
static const CGFloat buttonHeight = 40;
static const CGFloat buttonWidth = 120;
static const CGFloat spacing = 20;
//竖向处理
- (void)layoutPortrait {
CGRect b = self.view.bounds;
CGFloat contentWidth = CGRectGetWidth(b) - (2 * spacing);
CGFloat contentHeight = CGRectGetHeight(b) - (4 * spacing) -
(2 * buttonHeight);
self.contentView.frame = CGRectMake(spacing, spacing,
contentWidth, contentHeight);
CGFloat buttonRow1y = contentHeight + (2 * spacing);
CGFloat buttonRow2y = buttonRow1y + buttonHeight + spacing;
CGFloat buttonCol1x = spacing;
CGFloat buttonCol2x = CGRectGetWidth(b) - buttonWidth - spacing;
self.actionButton1.frame = CGRectMake(buttonCol1x, buttonRow1y,
buttonWidth, buttonHeight);
self.actionButton2.frame = CGRectMake(buttonCol2x, buttonRow1y,
buttonWidth, buttonHeight);
self.actionButton3.frame = CGRectMake(buttonCol1x, buttonRow2y,
buttonWidth, buttonHeight);
self.actionButton4.frame = CGRectMake(buttonCol2x, buttonRow2y,
buttonWidth, buttonHeight);
}
//横向处理
- (void)layoutLandscape {
CGRect b = self.view.bounds;
CGFloat contentWidth = CGRectGetWidth(b) - buttonWidth - (3 * spacing);
CGFloat contentHeight = CGRectGetHeight(b) - (2 * spacing);
self.contentView.frame = CGRectMake(spacing, spacing,
contentWidth, contentHeight);
CGFloat buttonX = CGRectGetWidth(b) - buttonWidth - spacing;
CGFloat buttonRow1y = spacing;
CGFloat buttonRow4y = CGRectGetHeight(b) - buttonHeight - spacing;
CGFloat buttonRow2y = buttonRow1y + floor((buttonRow4y - buttonRow1y)
* 0.333);
CGFloat buttonRow3y = buttonRow1y + floor((buttonRow4y - buttonRow1y)
* 0.667);
self.actionButton1.frame = CGRectMake(buttonX, buttonRow1y,
buttonWidth, buttonHeight);
self.actionButton2.frame = CGRectMake(buttonX, buttonRow2y,
buttonWidth, buttonHeight);
self.actionButton3.frame = CGRectMake(buttonX, buttonRow3y,
buttonWidth, buttonHeight);
self.actionButton4.frame = CGRectMake(buttonX, buttonRow4y,
buttonWidth, buttonHeight);
}
@end
【 Beginning iOS 7 Development《精通iOS7开发》】05 Autorotation and Autosizing,布布扣,bubuko.com
【 Beginning iOS 7 Development《精通iOS7开发》】05 Autorotation and Autosizing
原文：http://blog.csdn.net/gogler/article/details/37873277