// 实现效果：界面支持系统自动转屏和点击转屏
// ViewController.m
// rotatoTest
// Copyright © 2016年 yaoyao. All rights reserved.
// 1.关闭系统自动转屏
// 2.获取设备方向，设置转屏，
// 3.点击按钮，设置转屏
#import "ViewController.h"
#import <UIKit/UIKit.h>
#import <CoreGraphics/CoreGraphics.h>
@interface ViewController ()
{
float width;
float height;
}
@property (nonatomic,retain)UIImageView *imageView;
@end
@implementation ViewController
- (void)viewDidLoad {
/**
* UIImage 对象
*/
UIImage *image = [UIImage imageNamed:@"000.jpg"];
self.imageView.image = image;
// 设置图片范围
CGFloat imageH = image.size.height;
CGFloat imageW = image.size.width;
CGFloat imageX = 0;
CGFloat imageY = 0;
self.imageView.frame = CGRectMake(imageX, imageY, width, 100);
self.imageView.userInteractionEnabled = YES;
[self.view addSubview:self.imageView];
//相当于qq视频上面的全屏按钮
UIButton *btnL = [UIButton buttonWithType:UIButtonTypeCustom];
btnL.frame = CGRectMake(20, 20,150, 20);
[btnL setTitle:@"点击向左横屏" forState:UIControlStateNormal];
btnL.backgroundColor = [UIColor blueColor];
[btnL addTarget:self action:@selector(btnLClick) forControlEvents:UIControlEventTouchUpInside];
[self.imageView addSubview:btnL];
//相当于qq视频全屏界面上的返回按钮
UIButton *btnP = [UIButton buttonWithType:UIButtonTypeCustom];
btnP.frame = CGRectMake(200, 20,100, 20);
[btnP setTitle:@"点击竖屏" forState:UIControlStateNormal];
btnP.backgroundColor = [UIColor blueColor];
[btnP addTarget:self action:@selector(btnPClick) forControlEvents:UIControlEventTouchUpInside];
[self.imageView addSubview:btnP];
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
//支持旋转(当手动转屏时关闭自动转屏)
-(BOOL)shouldAutorotate
{
return NO;
}
//支持的方向（亲测：当上个方法返回no时，这个方法依然调用）
- (UIInterfaceOrientationMask)supportedInterfaceOrientations
{
NSLog(@"supportedInterfaceOrientations调用了");
return UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskLandscapeLeft | UIInterfaceOrientationMaskLandscapeRight;
}
-(void)btnLClick
{
[[UIApplication sharedApplication]setStatusBarOrientation:UIDeviceOrientationLandscapeLeft animated:YES];
CGFloat duration = [UIApplication sharedApplication].statusBarOrientationAnimationDuration;
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:duration];
//在这里设置view.transform需要匹配的旋转角度的大小就可以了。
self.imageView.transform = CGAffineTransformIdentity;
self.imageView.transform = CGAffineTransformMakeRotation(M_PI/2.0);
self.imageView.frame = CGRectMake(0, 0, width, height);
[UIView commitAnimations];
}
//点击返回竖屏
-(void)btnPClick
{
[[UIApplication sharedApplication]setStatusBarOrientation:UIDeviceOrientationPortrait animated:YES];
CGFloat duration = [UIApplication sharedApplication].statusBarOrientationAnimationDuration;
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:duration];
//在这里设置view.transform需要匹配的旋转角度的大小就可以了。
self.imageView.transform = CGAffineTransformIdentity;
self.imageView.transform = CGAffineTransformMakeRotation(0);
self.imageView.frame = CGRectMake(0, 0, width, 100);
[UIView commitAnimations];
}
- (void)handleDeviceOrientationDidChange:(UIInterfaceOrientation)interfaceOrientation
{
//1.获取 当前设备 实例
UIDevice *device = [UIDevice currentDevice] ;
/**
* 2.取得当前Device的方向，Device的方向类型为Integer
*
* 必须调用beginGeneratingDeviceOrientationNotifications方法后，此orientation属性才有效，否则一直是0。orientation用于判断设备的朝向，与应用UI方向无关
*
* @param device.orientation
*
*/
switch (device.orientation) {
case UIDeviceOrientationFaceUp:
{
NSLog(@"屏幕朝上平躺");
}
break;
case UIDeviceOrientationFaceDown:
NSLog(@"屏幕朝下平躺");
break;
//系統無法判斷目前Device的方向，有可能是斜置
case UIDeviceOrientationUnknown:
NSLog(@"未知方向");
break;
case UIDeviceOrientationLandscapeLeft:
{
NSLog(@"屏幕向左横置");
[[UIApplication sharedApplication]setStatusBarOrientation:UIDeviceOrientationLandscapeLeft animated:YES];
CGFloat duration = [UIApplication sharedApplication].statusBarOrientationAnimationDuration;
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:duration];
//在这里设置view.transform需要匹配的旋转角度的大小就可以了。
self.imageView.transform = CGAffineTransformIdentity;
self.imageView.transform = CGAffineTransformMakeRotation(M_PI/2.0);
self.imageView.frame = CGRectMake(0, 0, width, height);
[UIView commitAnimations];
}
break;
case UIDeviceOrientationLandscapeRight:
{
NSLog(@"屏幕向右橫置");
[[UIApplication sharedApplication]setStatusBarOrientation:UIDeviceOrientationLandscapeRight animated:YES];
CGFloat duration = [UIApplication sharedApplication].statusBarOrientationAnimationDuration;
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:duration];
//在这里设置view.transform需要匹配的旋转角度的大小就可以了。
self.imageView.transform = CGAffineTransformIdentity;
self.imageView.transform = CGAffineTransformMakeRotation(-M_PI/2.0);
self.imageView.frame = CGRectMake(0, 0, width, height);
[UIView commitAnimations];
}
break;
case UIDeviceOrientationPortrait:
{
NSLog(@"屏幕直立");
[[UIApplication sharedApplication]setStatusBarOrientation:UIDeviceOrientationPortrait animated:YES];
CGFloat duration = [UIApplication sharedApplication].statusBarOrientationAnimationDuration;
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:duration];
//在这里设置view.transform需要匹配的旋转角度的大小就可以了。
self.imageView.transform = CGAffineTransformIdentity;
self.imageView.transform = CGAffineTransformMakeRotation(0);
self.imageView.frame = CGRectMake(0, 0, width, 100);
[UIView commitAnimations];
}
break;
case UIDeviceOrientationPortraitUpsideDown:
NSLog(@"屏幕直立，上下顛倒");
break;
default:
NSLog(@"无法辨识");
break;
}
}
-(void)viewDidAppear:(BOOL)animated
{
/**
* 开始生成 设备旋转 通知
*/
[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
/**
* 添加 设备旋转 通知
*
* @param handleDeviceOrientationDidChange: handleDeviceOrientationDidChange: description
*
* @return return value description
*/
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handleDeviceOrientationDidChange:)
name:UIDeviceOrientationDidChangeNotification
object:nil
];
}
-(void)viewDidDisappear:(BOOL)animated
{
/**
* 销毁 设备旋转 通知
*
* @return return value description
*/
[[NSNotificationCenter defaultCenter] removeObserver:self
name:UIDeviceOrientationDidChangeNotification
object:nil
];
/**
* 结束 设备旋转通知
*
* @return return value description
*/
[[UIDevice currentDevice]endGeneratingDeviceOrientationNotifications];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#pragma 懒加载
- (UIImageView *)imageView
{
if (!_imageView) {
_imageView = [[UIImageView alloc] init];
}
return _imageView;
}
@end
时间： 2024-11-05 06:19:00