OC 實現參考文章

來獲取狀態欄的，運營商，網絡，時間，電量的信息。

swift代碼上代碼：

//
//  StatusBarInfo.swift
//  swift_show
//
//  Created by Deki on 16/8/7.
//  Copyright ? 2016年 Deki. All rights reserved.
//  獲取狀態欄的各種信息 ：網絡類型，運營商，電池電量，顯示的系統時間等信息

import UIKit

enum NetWorkType {
    case NetworkStatesNone // 沒有網絡
    case NetworkStates2G // 2G
    case NetworkStates3G // 3G
    case NetworkStates4G // 4G
    case NetworkStatesWIFI // WIFI
}

class StatusBarInfo: NSObject {
    
    
    // 獲取運營商 名稱
    class func serviceCompany() -> String {
        let array :NSArray = (UIApplication.sharedApplication().valueForKeyPath("statusBar")?.valueForKeyPath("foregroundView")?.subviews)!
        
        for info in array {
            if info.isKindOfClass(NSClassFromString("UIStatusBarServiceItemView")!) {
                let serverStr:String = info.valueForKeyPath("serviceString") as! String
                return serverStr
            }
        }
        return ""
        
    }

    
    // 顯示系統時間
    class func currentTimeString() -> String {
        let array :NSArray = (UIApplication.sharedApplication().valueForKeyPath("statusBar")?.valueForKeyPath("foregroundView")?.subviews)!
        
        for info in array {
            if info.isKindOfClass(NSClassFromString("UIStatusBarTimeItemView")!) {
                let timeStr:String = info.valueForKeyPath("timeString") as! String
                return timeStr
            }
        }
        return ""
        
    }
    
    // 檢測網絡狀態
    class func currentNetworkType() -> NetWorkType {
        let array :NSArray = (UIApplication.sharedApplication().valueForKeyPath("statusBar")?.valueForKeyPath("foregroundView")?.subviews)!
        var states :NetWorkType = .NetworkStatesNone
        for info in array {
            if info.isKindOfClass(NSClassFromString("UIStatusBarDataNetworkItemView")!) {
                let networkType = info.valueForKeyPath("dataNetworkType")!.integerValue
                switch (networkType) {
                case 0:
                    states = .NetworkStatesNone;
                    //無網模式
                    break;
                case 1:
                    states = .NetworkStates2G;
                    break;
                case 2:
                    states = .NetworkStates3G;
                    break;
                case 3:
                    states = .NetworkStates4G;
                    break;
                case 5:
                    states = .NetworkStatesWIFI;
                    break;
                default:
                    break;
                }

            }
        }
        return states

    }
    
    // 獲取當前的電量信息
    class func currentBatteryPercent() -> String {
        let array :NSArray = (UIApplication.sharedApplication().valueForKeyPath("statusBar")?.valueForKeyPath("foregroundView")?.subviews)!
        for info in array {
            if info.isKindOfClass(NSClassFromString("UIStatusBarBatteryPercentItemView")!) {
                let presentStr:String = info.valueForKeyPath("percentString") as! String
                return presentStr
            }
        }
        return ""

    }
}