IOS UIDevice & IOS检测屏幕旋转实例

概述IOS UIDevice & IOS检测屏幕旋转实例

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////  VIEwController.m// #import "VIEwController.h" @interface VIEwController ()/** *  UIImageVIEw */@property(nonatomic,strong)UIImageVIEw *imageVIEw;  @end  @implementation VIEwController  - (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");            break;                     case UIDeviceOrIEntationLandscapeRight:            NSLog(@"屏幕向右橫置");            break;                     case UIDeviceOrIEntationPortrait:            NSLog(@"屏幕直立");            break;                     case UIDeviceOrIEntationPortraitUpsIDeDown:            NSLog(@"屏幕直立，上下顛倒");            break;                     default:            NSLog(@"无法辨识");            break;    } }  - (voID)vIEwDIDLoad {          //设备名称  e.g. "My iPhone"    Nsstring *strname = [[UIDevice currentDevice] name];    NSLog(@"设备名称：%@",strname);               /**     * 系统名称 e.g. @"iOS"     */    Nsstring *strSysname = [[UIDevice currentDevice] systemname];    NSLog(@"系统名称：%@",strSysname);               /**     * 系统版本号 e.g. @"4.0"     */    Nsstring *strSysversion = [[UIDevice currentDevice] systemVersion];    NSLog(@"系统版本号：%@",strSysversion);                        /**     * 设备类型 e.g. @"iPhone",@"iPod touch"     */    Nsstring *strModel = [[UIDevice currentDevice] model];    NSLog(@"设备类型：%@",strModel);                   /**     * 本地设备模式 localized version of model     */    Nsstring *strLocModel = [[UIDevice currentDevice] localizedModel];    NSLog(@"本地设备模式：%@",strLocModel);                    /**     * UUID 　可用于唯一地标识该设备     */    NSUUID *IDentifIErForvendor = [[UIDevice currentDevice] IDentifIErForvendor];    NSLog(@"UUID：%@",IDentifIErForvendor.UUIDString);                   /**     * UIImage 对象     */    UIImage *image = [UIImage imagenamed:@"scroll.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,imageW,imageH);    [self.vIEw addSubvIEw:self.imageVIEw];         [super vIEwDIDLoad];    // Do any additional setup after loading the vIEw,typically from a nib.}  -(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

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