iOS 获取设备信息

一、代码

//
//  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

二、运行截图

由于在<CoreTelephony/CTelephonyNetwork.h>中没有找到wifi有关的判断，所以Reachability获取现在还是必要的，这方面可以参考我的另一篇博文iOS Reachability检测网络状态