iOS 获取设备信息

//
//  ViewController.m
//  DeviceInfoDemo
//
//  Created by 555chy on 6/11/16.
//  Copyright © 2016 555chy. All rights reserved.
//

#import "ViewController.h"
#import <CoreTelephony/CTCarrier.h>
#import <CoreTelephony/CTTelephonyNetworkInfo.h>

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.

//获取设备的基本信息
UIDevice *device = [UIDevice currentDevice];

NSLog(@"device.name %@", device.name);
NSLog(@"device.model %@", device.model);
NSLog(@"device.localizedModel %@", device.localizedModel);
NSLog(@"device.systemName %@", device.systemName);
NSLog(@"device.systemVersion %@", device.systemVersion);
NSLog(@"device.identifierForVendor %@", [device.identifierForVendor UUIDString]);

//电池状态
/*
typedef NS_ENUM(NSInteger, UIDeviceBatteryState) {
UIDeviceBatteryStateUnknown,
UIDeviceBatteryStateUnplugged,   // on battery, discharging
UIDeviceBatteryStateCharging,    // plugged in, less than 100%
UIDeviceBatteryStateFull,        // plugged in, at 100%
};              // available in iPhone 3.0
*/
NSLog(@"device.batteryState %ld", device.batteryState);
//电池电量级别(0 .. 1.0. -1.0 if UIDeviceBatteryStateUnknown)
NSLog(@"device.batteryLevel %f", device.batteryLevel);

/*
屏幕朝向，如果没有开启自动旋转的话就是unknown
typedef NS_ENUM(NSInteger, UIDeviceOrientation) {
UIDeviceOrientationUnknown,
UIDeviceOrientationPortrait,            // Device oriented vertically, home button on the bottom
UIDeviceOrientationPortraitUpsideDown,  // Device oriented vertically, home button on the top
UIDeviceOrientationLandscapeLeft,       // Device oriented horizontally, home button on the right
UIDeviceOrientationLandscapeRight,      // Device oriented horizontally, home button on the left
UIDeviceOrientationFaceUp,              // Device oriented flat, face up
UIDeviceOrientationFaceDown             // Device oriented flat, face down
};
*/
NSLog(@"device.orientation %ld", device.orientation);

//获取屏幕分辨率
CGRect rect = [[UIScreen mainScreen] bounds];
CGFloat screenScale = [UIScreen mainScreen].scale;
CGFloat screenWidth = rect.size.width * screenScale;
CGFloat screenHeight = rect.size.height * screenScale;
NSLog(@"screen scale %f", screenScale);
NSLog(@"screen size %f * %f", screenWidth, screenHeight);

//获取运营商信息(需要引用如下2个头文件)
//#import <CoreTelephony/CTCarrier.h>
//#import <CoreTelephony/CTTelephonyNetworkInfo.h>
CTTelephonyNetworkInfo *networkInfo = [[CTTelephonyNetworkInfo alloc] init];
CTCarrier *carrier = [networkInfo subscriberCellularProvider];
NSLog(@"carrier.carrierName %@", carrier.carrierName);
//IOS7之前apple给我们提供了Reachability来获取，IOS7后可以通过以下方式来获取，方便而且类型更多
/*
CTRadioAccessTechnologyGPRS      	//介于2G和3G之间，也叫2.5G ,过度技术
CTRadioAccessTechnologyEdge       	//EDGE为GPRS到第三代移动通信的过渡，EDGE俗称2.75G
CTRadioAccessTechnologyWCDMA
CTRadioAccessTechnologyHSDPA       //亦称为3.5G(3?G)
CTRadioAccessTechnologyHSUPA       //3G到4G的过度技术
CTRadioAccessTechnologyCDMA1x   	//3G
CTRadioAccessTechnologyCDMAEVDORev0//3G标准
CTRadioAccessTechnologyCDMAEVDORevA
CTRadioAccessTechnologyCDMAEVDORevB
CTRadioAccessTechnologyeHRPD     	//电信使用的一种3G到4G的演进技术， 3.75G
CTRadioAccessTechnologyLTE   		//接近4G
*/
NSLog(@"networkInfo.currentRadioAccessTechnology %@", networkInfo.currentRadioAccessTechnology);

}

- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}

@end