iOS获取和监测设备基本信息——UIDevice的使用

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//获取当前设备单例

+ (UIDevice *)currentDevice;

//获取当前设备名称 

@property(nonatomic,readonly,strong) NSString    *name;              // e.g. "My iPhone"

//获取当前设备模式

@property(nonatomic,readonly,strong) NSString    *model;             // e.g. @"iPhone", @"iPod touch"

//获取本地化的当前设备模式

@property(nonatomic,readonly,strong) NSString    *localizedModel;    // localized version of model

//获取系统名称

@property(nonatomic,readonly,strong) NSString    *systemName;        // e.g. @"iOS"

//获取系统版本

@property(nonatomic,readonly,strong) NSString    *systemVersion;     // e.g. @"4.0"

//获取设备方向

@property(nonatomic,readonly) UIDeviceOrientation orientation;       

//获取设备UUID对象

@property(nullable, nonatomic,readonly,strong) NSUUID      *identifierForVendor;

//是否开启监测电池状态 开启后 才可以正常获取电池状态

@property(nonatomic,getter=isBatteryMonitoringEnabled) BOOL batteryMonitoringEnabled NS_AVAILABLE_IOS(3_0);  // default is NO

//获取电池状态

@property(nonatomic,readonly) UIDeviceBatteryState          batteryState NS_AVAILABLE_IOS(3_0);  

//获取电量

@property(nonatomic,readonly) float                         batteryLevel NS_AVAILABLE_IOS(3_0);

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typedef NS_ENUM(NSInteger, UIDeviceOrientation) {

    UIDeviceOrientationUnknown,

    UIDeviceOrientationPortrait,            // home键在下

    UIDeviceOrientationPortraitUpsideDown,  // home键在上

    UIDeviceOrientationLandscapeLeft,       // home键在右

    UIDeviceOrientationLandscapeRight,      // home键在左

    UIDeviceOrientationFaceUp,              // 屏幕朝上

    UIDeviceOrientationFaceDown             // 屏幕朝下

};

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typedef NS_ENUM(NSInteger, UIDeviceBatteryState) {

    UIDeviceBatteryStateUnknown,

    UIDeviceBatteryStateUnplugged,   // 放电状态

    UIDeviceBatteryStateCharging,    // 充电未充满状态

    UIDeviceBatteryStateFull,        // 充电已充满

};

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//获取是否开启屏幕状态更改通知

@property(nonatomic,readonly,getter=isGeneratingDeviceOrientationNotifications) BOOL generatesDeviceOrientationNotifications;

//开始监测通知

- (void)beginGeneratingDeviceOrientationNotifications;     

//结束监测通知

- (void)endGeneratingDeviceOrientationNotifications;

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@property(nonatomic,getter=isProximityMonitoringEnabled) BOOL proximityMonitoringEnabled NS_AVAILABLE_IOS(3_0); //开启距离传感器

//是否触发了距离传感器

@property(nonatomic,readonly)                            BOOL proximityState

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//设备方向改变时发送的通知

UIKIT_EXTERN NSString *const UIDeviceOrientationDidChangeNotification;

//电池状态改变时发送的通知

UIKIT_EXTERN NSString *const UIDeviceBatteryStateDidChangeNotification   NS_AVAILABLE_IOS(3_0);

//电量改变时发送的通知

UIKIT_EXTERN NSString *const UIDeviceBatteryLevelDidChangeNotification   NS_AVAILABLE_IOS(3_0);

//距离传感器状态改变时发送的通知

UIKIT_EXTERN NSString *const UIDeviceProximityStateDidChangeNotification NS_AVAILABLE_IOS(3_0);