最全的iOS 如何獲取設(shè)備的各種信息

一、目錄結(jié)構(gòu):

  • 獲取屏幕寬度與高度
  • 獲取設(shè)備版本號(hào)
  • 獲取iPhone名稱
  • 獲取app版本號(hào)
  • 獲取電池電量
  • 獲取當(dāng)前系統(tǒng)名稱
  • 獲取當(dāng)前系統(tǒng)版本號(hào)
  • 獲取通用的唯一識(shí)別碼UUID
  • 獲取當(dāng)前設(shè)備IP
  • 獲取總內(nèi)存大小
  • 獲取當(dāng)前可用內(nèi)存
  • 獲取精準(zhǔn)電池電量
  • 獲取電池當(dāng)前的狀態(tài)(共有4種狀態(tài))
  • 獲取設(shè)備當(dāng)前的語(yǔ)言
  • 獲取device_model
  • 獲取mac 地址
  • 獲取IP地址
  • 獲取設(shè)備上次重啟的時(shí)間
  • 獲取廣告位標(biāo)識(shí)符
  • 獲取CPU總數(shù)目
  • 獲取已使用的CPU比例
  • 獲取每個(gè)cpu的使用比例
  • 獲取磁盤總空間
  • 獲取未使用的磁盤空間
  • 獲取已使用的磁盤空間
  • 獲取系統(tǒng)總內(nèi)存空間
  • 獲取活躍的內(nèi)存,正在使用或者很短時(shí)間內(nèi)被使用過(guò)
  • 獲取最近使用過(guò),但是目前處于不活躍狀態(tài)的內(nèi)存
  • 獲取空閑的內(nèi)存空間
  • 獲取已使用的內(nèi)存空間
  • 用來(lái)存放內(nèi)核和數(shù)據(jù)結(jié)構(gòu)的內(nèi)存,framework、用戶級(jí)別的應(yīng)用無(wú)法分配
  • 可釋放的內(nèi)存空間:內(nèi)存吃緊自動(dòng)釋放,針對(duì)大對(duì)象存放所需的大塊內(nèi)存空間

二西疤、具體內(nèi)容

1. 獲取屏幕寬度與高度
// 屏幕寬度
+ (CGFloat)getDeviceScreenWidth {
    return [UIScreen mainScreen].bounds.size.width;
}
// 屏幕高度
+ (CGFloat)getDeviceScreenHeight {
    return [UIScreen mainScreen].bounds.size.height;
}

[UIScreen mainScreen].bounds.size.width用的很普遍氢橙,一般來(lái)說(shuō)定義成宏更好,然后根據(jù)屏幕寬高進(jìn)行尺寸的適配涣达。

2. 獲取設(shè)備版本號(hào)
/// 獲取設(shè)備官方名稱
+ (NSString *)getDeviceName {
// 設(shè)備型號(hào)官網(wǎng)地址 https://www.theiphonewiki.com/wiki/Models
    struct utsname systemInfo;
    uname(&systemInfo);
    NSString *deviceString = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
    
    //模擬器
    if ([deviceString isEqualToString:@"i386"])         return @"Simulator";
    if ([deviceString isEqualToString:@"x86_64"])       return @"Simulator";
    
    //iPhone
    if ([deviceString isEqualToString:@"iPhone1,1"])    return @"iPhone_2G";
    if ([deviceString isEqualToString:@"iPhone1,2"])    return @"iPhone_3G";
    if ([deviceString isEqualToString:@"iPhone2,1"])    return @"iPhone_3GS";
    if ([deviceString isEqualToString:@"iPhone3,1"])    return @"iPhone_4";
    if ([deviceString isEqualToString:@"iPhone3,2"])    return @"iPhone_4";
    if ([deviceString isEqualToString:@"iPhone3,3"])    return @"iPhone_4";
    if ([deviceString isEqualToString:@"iPhone4,1"])    return @"iPhone_4S";
    if ([deviceString isEqualToString:@"iPhone5,1"])    return @"iPhone_5";
    if ([deviceString isEqualToString:@"iPhone5,2"])    return @"iPhone_5";
    if ([deviceString isEqualToString:@"iPhone5,3"])    return @"iPhone_5c";
    if ([deviceString isEqualToString:@"iPhone5,4"])    return @"iPhone_5c";
    if ([deviceString isEqualToString:@"iPhone6,1"])    return @"iPhone_5s";
    if ([deviceString isEqualToString:@"iPhone6,2"])    return @"iPhone_5s";
    if ([deviceString isEqualToString:@"iPhone7,1"])    return @"iPhone_6_Plus";
    if ([deviceString isEqualToString:@"iPhone7,2"])    return @"iPhone_6";
    if ([deviceString isEqualToString:@"iPhone8,1"])    return @"iPhone_6s";
    if ([deviceString isEqualToString:@"iPhone8,2"])    return @"iPhone_6s_Plus";
    if ([deviceString isEqualToString:@"iPhone8,4"])    return @"iPhone_SE";
    if ([deviceString isEqualToString:@"iPhone9,1"])    return @"iPhone_7";
    if ([deviceString isEqualToString:@"iPhone9,2"])    return @"iPhone_7_Plus";
    if ([deviceString isEqualToString:@"iPhone9,3"])    return @"iPhone_7";
    if ([deviceString isEqualToString:@"iPhone9,4"])    return @"iPhone_7_Plus";
    if ([deviceString isEqualToString:@"iPhone10,1"])   return @"iPhone_8";
    if ([deviceString isEqualToString:@"iPhone10,2"])   return @"iPhone_8_Plus";
    if ([deviceString isEqualToString:@"iPhone10,3"])   return @"iPhone_X";
    if ([deviceString isEqualToString:@"iPhone10,4"])   return @"iPhone_8";
    if ([deviceString isEqualToString:@"iPhone10,5"])   return @"iPhone_8_Plus";
    if ([deviceString isEqualToString:@"iPhone10,6"])   return @"iPhone_X";
    if ([deviceString isEqualToString:@"iPhone11,2"])   return @"iPhone_XS";
    if ([deviceString isEqualToString:@"iPhone11,4"])   return @"iPhone_XS_Max";
    if ([deviceString isEqualToString:@"iPhone11,6"])   return @"iPhone_XS_Max";
    if ([deviceString isEqualToString:@"iPhone11,8"])   return @"iPhone_XR";
    if ([deviceString isEqualToString:@"iPhone12,1"])   return @"iPhone_11";
    if ([deviceString isEqualToString:@"iPhone12,3"])   return @"iPhone_11Pro";
    if ([deviceString isEqualToString:@"iPhone12,5"])   return @"iPhone_11Pro_Max";
    if ([deviceString isEqualToString:@"iPhone12,8"])   return @"iPhone_SE2";
    if ([deviceString isEqualToString:@"iPhone13,1"])   return @"iPhone_12_mini";
    if ([deviceString isEqualToString:@"iPhone13,2"])   return @"iPhone_12";
    if ([deviceString isEqualToString:@"iPhone13,3"])   return @"iPhone_12Pro";
    if ([deviceString isEqualToString:@"iPhone13,4"])   return @"iPhone_12Pro_Max";
    if ([deviceString isEqualToString:@"iPhone14,4"])   return @"iPhone_13_mini";
    if ([deviceString isEqualToString:@"iPhone14,5"])   return @"iPhone_13";
    if ([deviceString isEqualToString:@"iPhone14,2"])   return @"iPhone_13Pro";
    if ([deviceString isEqualToString:@"iPhone14,3"])   return @"iPhone_13Pro_Max";
    if ([deviceString isEqualToString:@"iPhone14,6"])   return @"iPhone_SE3";
    if ([deviceString isEqualToString:@"iPhone14,7"])   return @"iPhone_14";
    if ([deviceString isEqualToString:@"iPhone14,8"])   return @"iPhone_14_Plus";
    if ([deviceString isEqualToString:@"iPhone15,2"])   return @"iPhone_14Pro";
    if ([deviceString isEqualToString:@"iPhone15,3"])   return @"iPhone_14Pro_Max";
    
    //iPad
    if ([deviceString isEqualToString:@"iPad1,1"])      return @"iPad";
    if ([deviceString isEqualToString:@"iPad2,1"])      return @"iPad_2nd";
    if ([deviceString isEqualToString:@"iPad2,2"])      return @"iPad_2nd";
    if ([deviceString isEqualToString:@"iPad2,3"])      return @"iPad_2nd";
    if ([deviceString isEqualToString:@"iPad2,4"])      return @"iPad_2nd";
    if ([deviceString isEqualToString:@"iPad2,5"])      return @"iPad_mini";
    if ([deviceString isEqualToString:@"iPad2,6"])      return @"iPad_mini";
    if ([deviceString isEqualToString:@"iPad2,7"])      return @"iPad_mini";
    if ([deviceString isEqualToString:@"iPad3,1"])      return @"iPad_3rd";
    if ([deviceString isEqualToString:@"iPad3,2"])      return @"iPad_3rd";
    if ([deviceString isEqualToString:@"iPad3,3"])      return @"iPad_3rd";
    if ([deviceString isEqualToString:@"iPad3,4"])      return @"iPad_4th";
    if ([deviceString isEqualToString:@"iPad3,5"])      return @"iPad_4th";
    if ([deviceString isEqualToString:@"iPad3,6"])      return @"iPad_4th";
    if ([deviceString isEqualToString:@"iPad4,1"])      return @"iPadAir";
    if ([deviceString isEqualToString:@"iPad4,2"])      return @"iPadAir";
    if ([deviceString isEqualToString:@"iPad4,3"])      return @"iPadAir";
    if ([deviceString isEqualToString:@"iPad4,4"])      return @"iPad_mini_2nd";
    if ([deviceString isEqualToString:@"iPad4,5"])      return @"iPad_mini_2nd";
    if ([deviceString isEqualToString:@"iPad4,6"])      return @"iPad_mini_2nd";
    if ([deviceString isEqualToString:@"iPad4,7"])      return @"iPad_mini_3rd";
    if ([deviceString isEqualToString:@"iPad4,8"])      return @"iPad_mini_3rd";
    if ([deviceString isEqualToString:@"iPad4,9"])      return @"iPad_mini_3rd";
    if ([deviceString isEqualToString:@"iPad5,1"])      return @"iPad_mini_4th";
    if ([deviceString isEqualToString:@"iPad5,2"])      return @"iPad_mini_4th";
    if ([deviceString isEqualToString:@"iPad5,3"])      return @"iPadAir_2nd";
    if ([deviceString isEqualToString:@"iPad5,4"])      return @"iPadAir_2nd";
    if ([deviceString isEqualToString:@"iPad6,3"])      return @"iPadPro_9.7";
    if ([deviceString isEqualToString:@"iPad6,4"])      return @"iPadPro_9.7";
    if ([deviceString isEqualToString:@"iPad6,7"])      return @"iPadPro_12.9";
    if ([deviceString isEqualToString:@"iPad6,8"])      return @"iPadPro_12.9";
    if ([deviceString isEqualToString:@"iPad6,11"])     return @"iPad_5th";
    if ([deviceString isEqualToString:@"iPad6,12"])     return @"iPad_5th";
    if ([deviceString isEqualToString:@"iPad7,1"])      return @"iPadPro_12.9_2nd";
    if ([deviceString isEqualToString:@"iPad7,2"])      return @"iPadPro_12.9_2nd";
    if ([deviceString isEqualToString:@"iPad7,3"])      return @"iPadPro_10.5";
    if ([deviceString isEqualToString:@"iPad7,4"])      return @"iPadPro_10.5";
    if ([deviceString isEqualToString:@"iPad7,5"])      return @"iPad_6th";
    if ([deviceString isEqualToString:@"iPad7,6"])      return @"iPad_6th";
    if ([deviceString isEqualToString:@"iPad7,11"])     return @"iPad_7th";
    if ([deviceString isEqualToString:@"iPad7,12"])     return @"iPad_7th";
    if ([deviceString isEqualToString:@"iPad8,1"])      return @"iPadPro_11";
    if ([deviceString isEqualToString:@"iPad8,2"])      return @"iPadPro_11";
    if ([deviceString isEqualToString:@"iPad8,3"])      return @"iPadPro_11";
    if ([deviceString isEqualToString:@"iPad8,4"])      return @"iPadPro_11";
    if ([deviceString isEqualToString:@"iPad8,5"])      return @"iPadPro_12.9_3rd";
    if ([deviceString isEqualToString:@"iPad8,6"])      return @"iPadPro_12.9_3rd";
    if ([deviceString isEqualToString:@"iPad8,7"])      return @"iPadPro_12.9_3rd";
    if ([deviceString isEqualToString:@"iPad8,8"])      return @"iPadPro_12.9_3rd";
    if ([deviceString isEqualToString:@"iPad8,9"])      return @"iPadPro_11_2rd";
    if ([deviceString isEqualToString:@"iPad8,10"])     return @"iPadPro_11_2rd";
    if ([deviceString isEqualToString:@"iPad8,11"])     return @"iPadPro_12.9_4rd";
    if ([deviceString isEqualToString:@"iPad8,12"])     return @"iPadPro_12.9_4rd";
    if ([deviceString isEqualToString:@"iPad11,1"])     return @"iPad_mini_5th";
    if ([deviceString isEqualToString:@"iPad11,2"])     return @"iPad_mini_5th";
    if ([deviceString isEqualToString:@"iPad11,3"])     return @"iPadAir_3rd";
    if ([deviceString isEqualToString:@"iPad11,4"])     return @"iPadAir_3rd";
    if ([deviceString isEqualToString:@"iPad11,6"])     return @"iPad_8th";
    if ([deviceString isEqualToString:@"iPad11,7"])     return @"iPad_8th";
    if ([deviceString isEqualToString:@"iPad13,1"])     return @"iPadAir_4rd";
    if ([deviceString isEqualToString:@"iPad13,2"])     return @"iPadAir_4rd";
    if ([deviceString isEqualToString:@"iPad13,4"])     return @"iPadPro_11-inch_3rd";
    if ([deviceString isEqualToString:@"iPad13,5"])     return @"iPadPro_11-inch_3rd";
    if ([deviceString isEqualToString:@"iPad13,6"])     return @"iPadPro_11-inch_3rd";
    if ([deviceString isEqualToString:@"iPad13,7"])     return @"iPadPro_11-inch_3rd";
    if ([deviceString isEqualToString:@"iPad13,8"])     return @"iPadPro_12.9-inch_5th";
    if ([deviceString isEqualToString:@"iPad13,9"])     return @"iPadPro_12.9-inch_5th";
    if ([deviceString isEqualToString:@"iPad13,10"])    return @"iPadPro_12.9-inch_5th";
    if ([deviceString isEqualToString:@"iPad13,11"])    return @"iPadPro_12.9-inch_5th";
    if ([deviceString isEqualToString:@"iPad14,1"])    return @"iPad_mini_6th";
    if ([deviceString isEqualToString:@"iPad14,2"])    return @"iPad_mini_6th";

    //iPod touch
    if ([deviceString isEqualToString:@"iPod1,1"])      return @"iPod_touch";
    if ([deviceString isEqualToString:@"iPod2,1"])      return @"iPod_touch_2nd";
    if ([deviceString isEqualToString:@"iPod3,1"])      return @"iPod_touch_3rd";
    if ([deviceString isEqualToString:@"iPod4,1"])      return @"iPod_touch_4th";
    if ([deviceString isEqualToString:@"iPod5,1"])      return @"iPod_touch_5th";
    if ([deviceString isEqualToString:@"iPod7,1"])      return @"iPod_touch_6th";
    if ([deviceString isEqualToString:@"iPod9,1"])      return @"iPod_touch_7th";

    //Apple Watch
    if ([deviceString isEqualToString:@"Watch1,1"])    return @"Apple_Watch_1st";
    if ([deviceString isEqualToString:@"Watch1,2"])    return @"Apple_Watch_1st";
    if ([deviceString isEqualToString:@"Watch2,6"])    return @"Apple_Watch_Series_1";
    if ([deviceString isEqualToString:@"Watch2,7"])    return @"Apple_Watch_Series_1";
    if ([deviceString isEqualToString:@"Watch2,3"])    return @"Apple_Watch_Series_2";
    if ([deviceString isEqualToString:@"Watch2,4"])    return @"Apple_Watch_Series_2";
    if ([deviceString isEqualToString:@"Watch3,1"])    return @"Apple_Watch_Series_3";
    if ([deviceString isEqualToString:@"Watch3,2"])    return @"Apple_Watch_Series_3";
    if ([deviceString isEqualToString:@"Watch3,3"])    return @"Apple_Watch_Series_3";
    if ([deviceString isEqualToString:@"Watch3,4"])    return @"Apple_Watch_Series_3";
    if ([deviceString isEqualToString:@"Watch4,1"])    return @"Apple_Watch_Series_4";
    if ([deviceString isEqualToString:@"Watch4,2"])    return @"Apple_Watch_Series_4";
    if ([deviceString isEqualToString:@"Watch4,3"])    return @"Apple_Watch_Series_4";
    if ([deviceString isEqualToString:@"Watch4,4"])    return @"Apple_Watch_Series_4";
    if ([deviceString isEqualToString:@"Watch5,1"])    return @"Apple_Watch_Series_5";
    if ([deviceString isEqualToString:@"Watch5,2"])    return @"Apple_Watch_Series_5";
    if ([deviceString isEqualToString:@"Watch5,3"])    return @"Apple_Watch_Series_5";
    if ([deviceString isEqualToString:@"Watch5,4"])    return @"Apple_Watch_Series_5";
    if ([deviceString isEqualToString:@"Watch5,9"])    return @"Apple_Watch_SE";
    if ([deviceString isEqualToString:@"Watch5,10"])   return @"Apple_Watch_SE";
    if ([deviceString isEqualToString:@"Watch5,11"])   return @"Apple_Watch_SE";
    if ([deviceString isEqualToString:@"Watch5,12"])   return @"Apple_Watch_SE";
    if ([deviceString isEqualToString:@"Watch6,1"])    return @"Apple_Watch_Series_6";
    if ([deviceString isEqualToString:@"Watch6,2"])    return @"Apple_Watch_Series_6";
    if ([deviceString isEqualToString:@"Watch6,3"])    return @"Apple_Watch_Series_6";
    if ([deviceString isEqualToString:@"Watch6,4"])    return @"Apple_Watch_Series_6";
    if ([deviceString isEqualToString:@"Watch6,6"])    return @"Apple_Watch_Series_7";
    if ([deviceString isEqualToString:@"Watch6,7"])    return @"Apple_Watch_Series_7";
    if ([deviceString isEqualToString:@"Watch6,8"])    return @"Apple_Watch_Series_7";
    if ([deviceString isEqualToString:@"Watch6,9"])    return @"Apple_Watch_Series_7";
    if ([deviceString isEqualToString:@"Watch6,10"])    return @"Apple_Watch_SE2";
    if ([deviceString isEqualToString:@"Watch6,11"])    return @"Apple_Watch_SE2";
    if ([deviceString isEqualToString:@"Watch6,12"])    return @"Apple_Watch_SE2";
    if ([deviceString isEqualToString:@"Watch6,13"])    return @"Apple_Watch_SE2";
    if ([deviceString isEqualToString:@"Watch6,14"])    return @"Apple_Watch_Series_8";
    if ([deviceString isEqualToString:@"Watch6,15"])    return @"Apple_Watch_Series_8";
    if ([deviceString isEqualToString:@"Watch6,16"])    return @"Apple_Watch_Series_8";
    if ([deviceString isEqualToString:@"Watch6,17"])    return @"Apple_Watch_Series_8";
    if ([deviceString isEqualToString:@"Watch6,18"])    return @"Apple_Watch_Ultra";

    //Apple TV
    if ([deviceString isEqualToString:@"AppleTV2,1"])    return @"AppleTV_2nd";
    if ([deviceString isEqualToString:@"AppleTV3,1"])    return @"AppleTV_3rd";
    if ([deviceString isEqualToString:@"AppleTV3,2"])    return @"AppleTV_3rd";
    if ([deviceString isEqualToString:@"AppleTV5,3"])    return @"AppleTV_4th";
    if ([deviceString isEqualToString:@"AppleTV6,2"])    return @"AppleTV_4K";
    if ([deviceString isEqualToString:@"AppleTV11,1"])   return @"AppleTV_4K_2nd";

    //AirPods
    if ([deviceString isEqualToString:@"AirPods1,1"])    return @"AirPods_1st";
    if ([deviceString isEqualToString:@"AirPods1,2"])    return @"AirPods_2nd";
    if ([deviceString isEqualToString:@"AirPods2,1"])    return @"AirPods_2nd";
    if ([deviceString isEqualToString:@"AirPods1,3"])    return @"AirPods_3nd";
    if ([deviceString isEqualToString:@"Audio2,1"])    return @"AirPods_3nd";
    if ([deviceString isEqualToString:@"AirPods2,2"])    return @"AirPodsPro";
    if ([deviceString isEqualToString:@"AirPodsPro1,1"])    return @"AirPodsPro";
    if ([deviceString isEqualToString:@"iProd8,1"])      return @"AirPodsPro";
    if ([deviceString isEqualToString:@"AirPodsPro1,2"])    return @"AirPodsPro_2nd";
    if ([deviceString isEqualToString:@"AirPodsMax1,1"])      return @"AirPods_Max";
    if ([deviceString isEqualToString:@"iProd8,6"])      return @"AirPods_Max";

    //HomePod
    if ([deviceString isEqualToString:@"AudioAccessory1,1"])    return @"HomePod";
    if ([deviceString isEqualToString:@"AudioAccessory1,2"])    return @"HomePod";
    if ([deviceString isEqualToString:@"AudioAccessory5,1"])    return @"HomePod_mini";

    //AirTag
    if ([deviceString isEqualToString:@"AirTag1,1"])    return @"AirTag";

    // Mac
    // iMac
    if ([deviceString isEqualToString:@"iMac21,1"])    return @"iMac_24inch";
    if ([deviceString isEqualToString:@"iMac21,2"])    return @"iMac_24inch";
    // Mac mini
    if ([deviceString isEqualToString:@"Macmini9,1"])    return @"Mac_mini";
    // MacBook Air
    if ([deviceString isEqualToString:@"MacBookAir10,1"])    return @"MacBook_Air";
    // MacBook Pro
    if ([deviceString isEqualToString:@"MacBookPro17,1"])    return @"MacBook_Pro_13inch";
    if ([deviceString isEqualToString:@"MacBookPro18,3"])    return @"MacBook_Pro_14inch";
    if ([deviceString isEqualToString:@"MacBookPro18,4"])    return @"MacBook_Pro_14inch";
    if ([deviceString isEqualToString:@"MacBookPro18,1"])    return @"MacBook_Pro_16inch";
    if ([deviceString isEqualToString:@"MacBookPro18,2"])    return @"MacBook_Pro_16inch";
    // MacBook Studio
    // if ([deviceString isEqualToString:@"MacBookPro18,3"])    return @"MacStudio_M1_Max";
    // if ([deviceString isEqualToString:@"MacBookPro18,3"])    return @"MacStudio_M1_Ultra";

    return deviceString;
}
3. 獲取iPhone名稱
// 獲取iPhone名稱
+ (NSString *)getiPhoneName {
    return [UIDevice currentDevice].name;
}
4. 獲取app版本號(hào)
// 獲取app版本號(hào)
+ (NSString *)getAPPVerion {
    return [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"];
}
5. 獲取電池電量
// 獲取電池電量
+ (CGFloat)getBatteryLevel {
    return [UIDevice currentDevice].batteryLevel;
}

這個(gè)方法獲取電池電量不是很精確算利,下邊會(huì)介紹一個(gè)獲取精確電池電量的鳞仙。

6. 獲取當(dāng)前系統(tǒng)名稱
// 當(dāng)前系統(tǒng)名稱
+ (NSString *)getSystemName {
    return [UIDevice currentDevice].systemName;
}
7. 獲取當(dāng)前系統(tǒng)版本號(hào)
// 當(dāng)前系統(tǒng)版本號(hào)
+ (NSString *)getSystemVersion {
    return [UIDevice currentDevice].systemVersion;
}
8. 獲取通用的唯一識(shí)別碼UUID
// 通用唯一識(shí)別碼UUID
+ (NSString *)getUUID {
    return [[UIDevice currentDevice] identifierForVendor].UUIDString;
}
9. 獲取當(dāng)前設(shè)備IP
// 獲取當(dāng)前設(shè)備IP
+ (NSString *)getDeviceIPAdress {
    NSString *address = @"an error occurred when obtaining ip address";
    struct ifaddrs *interfaces = NULL;
    struct ifaddrs *temp_addr = NULL;
    int success = 0;
    success = getifaddrs(&interfaces);
    if (success == 0) { // 0 表示獲取成功
        temp_addr = interfaces;
        while (temp_addr != NULL) {
            if( temp_addr->ifa_addr->sa_family == AF_INET) {
                // Check if interface is en0 which is the wifi connection on the iPhone
                if ([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {
                    // Get NSString from C String
                    address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
                }
            }
            temp_addr = temp_addr->ifa_next;
        }
    }
    freeifaddrs(interfaces);
    return address;
}
10. 獲取總內(nèi)存大小
// 獲取總內(nèi)存大小
+ (long long)getTotalMemorySize {
    return [NSProcessInfo processInfo].physicalMemory;
}
11. 獲取當(dāng)前可用內(nèi)存
// 獲取當(dāng)前可用內(nèi)存
+ (long long)getAvailableMemorySize {
    vm_statistics_data_t vmStats;
    mach_msg_type_number_t infoCount = HOST_VM_INFO_COUNT;
    kern_return_t kernReturn = host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vmStats, &infoCount);
    if (kernReturn != KERN_SUCCESS)
    {
        return NSNotFound;
    }
    return ((vm_page_size * vmStats.free_count + vm_page_size * vmStats.inactive_count));
}
12. 獲取精準(zhǔn)電池電量
// 獲取精準(zhǔn)電池電量
+ (CGFloat)getCurrentBatteryLevel {
    UIApplication *app = [UIApplication sharedApplication];
    if (app.applicationState == UIApplicationStateActive||app.applicationState==UIApplicationStateInactive) {
        Ivar ivar=  class_getInstanceVariable([app class],"_statusBar");
        id status  = object_getIvar(app, ivar);
        for (id aview in [status subviews]) {
            int batteryLevel = 0;
            for (id bview in [aview subviews]) {
                if ([NSStringFromClass([bview class]) caseInsensitiveCompare:@"UIStatusBarBatteryItemView"] == NSOrderedSame&&[[[UIDevice currentDevice] systemVersion] floatValue] >=6.0) {
                    Ivar ivar=  class_getInstanceVariable([bview class],"_capacity");
                    if(ivar) {
                        batteryLevel = ((int (*)(id, Ivar))object_getIvar)(bview, ivar);
                        if (batteryLevel > 0 && batteryLevel <= 100) {
                            return batteryLevel;
                        } else {
                            return 0;
                        }
                    }
                }
            }
        }
    }
    return 0;
}

上面這個(gè)方法是通過(guò)runtime獲取電池電量控件類私有變量的值,較為精確笔时。

13. 獲取電池當(dāng)前的狀態(tài)(共有4種狀態(tài))
// 獲取電池當(dāng)前的狀態(tài),共有4種狀態(tài)
+ (NSString *) getBatteryState {
    UIDevice *device = [UIDevice currentDevice];
    if (device.batteryState == UIDeviceBatteryStateUnknown) {
        return @"UnKnow";
    } else if (device.batteryState == UIDeviceBatteryStateUnplugged){
        return @"Unplugged";
    } else if (device.batteryState == UIDeviceBatteryStateCharging){
        return @"Charging";
    } else if (device.batteryState == UIDeviceBatteryStateFull){
        return @"Full";
    }
    return nil;
}
14. 獲取設(shè)備當(dāng)前的語(yǔ)言
// 獲取當(dāng)前語(yǔ)言
+ (NSString *)getDeviceLanguage {
    NSArray *languageArray = [NSLocale preferredLanguages];
    return [languageArray objectAtIndex:0];
}
15. 獲取device_model
// 獲取device_model
+ (NSString *)getDeviceModel {
    struct utsname systemInfo;
    uname(&systemInfo);
    NSString *device_model = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
    return device_model;
}
16. 獲取mac 地址
// 獲取mac 地址
+ (NSString *) getMacAddress {
    int mib[6];
    size_t len;
    char *buf;
    unsigned char *ptr;
    struct if_msghdr *ifm;
    struct sockaddr_dl *sdl;
    
    mib[0] = CTL_NET;
    mib[1] = AF_ROUTE;
    mib[2] = 0;
    mib[3] = AF_LINK;
    mib[4] = NET_RT_IFLIST;
    
    if ((mib[5] = if_nametoindex("en0")) == 0) {
        printf("Error: if_nametoindex error/n");
        return NULL;
    }
    
    if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
        printf("Error: sysctl, take 1/n");
        return NULL;
    }
    
    if ((buf = malloc(len)) == NULL) {
        printf("Could not allocate memory. error!/n");
        return NULL;
    }
    
    if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
        printf("Error: sysctl, take 2");
        return NULL;
    }
    
    ifm = (struct if_msghdr *)buf;
    sdl = (struct sockaddr_dl *)(ifm + 1);
    ptr = (unsigned char *)LLADDR(sdl);
    
    NSString *outstring = [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x", *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), *(ptr+5)];
    free(buf);
    
    return [outstring uppercaseString];
}
17. 獲取IP地址
// 獲取IP地址
+ (NSString *) getDeviceIPAddresses {
    int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
    
    NSMutableArray *ips = [NSMutableArray array];
    
    int BUFFERSIZE = 4096;
    
    struct ifconf ifc;
    
    char buffer[BUFFERSIZE], *ptr, lastname[IFNAMSIZ], *cptr;
    
    struct ifreq *ifr, ifrcopy;
    
    ifc.ifc_len = BUFFERSIZE;
    ifc.ifc_buf = buffer;
    
    if (ioctl(sockfd, SIOCGIFCONF, &ifc) >= 0){
        
        for (ptr = buffer; ptr < buffer + ifc.ifc_len; ){
            
            ifr = (struct ifreq *)ptr;
            int len = sizeof(struct sockaddr);
            
            if (ifr->ifr_addr.sa_len > len) {
                len = ifr->ifr_addr.sa_len;
            }
            
            ptr += sizeof(ifr->ifr_name) + len;
            if (ifr->ifr_addr.sa_family != AF_INET) continue;
            if ((cptr = (char *)strchr(ifr->ifr_name, ':')) != NULL) *cptr = 0;
            if (strncmp(lastname, ifr->ifr_name, IFNAMSIZ) == 0) continue;
            
            memcpy(lastname, ifr->ifr_name, IFNAMSIZ);
            ifrcopy = *ifr;
            ioctl(sockfd, SIOCGIFFLAGS, &ifrcopy);
            
            if ((ifrcopy.ifr_flags & IFF_UP) == 0) continue;
            
            NSString *ip = [NSString  stringWithFormat:@"%s", inet_ntoa(((struct sockaddr_in *)&ifr->ifr_addr)->sin_addr)];
            [ips addObject:ip];
        }
    }
    
    close(sockfd);
    NSString *deviceIP = @"";
    
    for (int i=0; i < ips.count; i++) {
        if (ips.count > 0) {
            deviceIP = [NSString stringWithFormat:@"%@",ips.lastObject];
        }
    }
    return deviceIP;
}
18. 獲取設(shè)備上次重啟的時(shí)間
// 獲取設(shè)備上次重啟的時(shí)間
+ (NSString *)getDeviceModel {
    NSTimeInterval time = [[NSProcessInfo processInfo] systemUptime];
   NSDate *lastRestartDate = [[NSDate alloc] initWithTimeIntervalSinceNow:(0 - time)];
//用于格式化NSDate對(duì)象  
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];  
//設(shè)置格式:zzz表示時(shí)區(qū)  
[dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss zzz"];  
//NSDate轉(zhuǎn)NSString  
NSString *currentDateString = [dateFormatter stringFromDate:currentDate]; 
   return currentDateString;
}
19. 獲取廣告位標(biāo)識(shí)符

在同一個(gè)設(shè)備上的所有App都會(huì)取到相同的值仗岸,是蘋果專門給各廣告提供商用來(lái)追蹤用戶而設(shè)的允耿,用戶可以在 設(shè)置|隱私|廣告追蹤里重置此id的值,或限制此id的使用扒怖,故此id有可能會(huì)取不到值较锡,但好在Apple默認(rèn)是允許追蹤的,而且一般用戶都不知道有這么個(gè)設(shè)置盗痒,所以基本上用來(lái)監(jiān)測(cè)推廣效果蚂蕴,是戳戳有余了

// 獲取廣告位標(biāo)識(shí)符
+ (NSString *)getIDFA {
     NSString *idfa = [[[ASIdentifierManager sharedManager] advertisingIdentifier] UUIDString];
    return idfa;
}

iOS14更新了用戶隱私權(quán)限低散,需要用戶允許跟蹤后才可獲取,:

#import <AppTrackingTransparency/AppTrackingTransparency.h>
#import <AdSupport/AdSupport.h>
/// IDFA
+ (void)getIDFAComplete:(void(^)(NSString *idfa))complete{
    if (@available(iOS 14, *)) {
            [ATTrackingManager requestTrackingAuthorizationWithCompletionHandler:^(ATTrackingManagerAuthorizationStatus status) {
                if (status == ATTrackingManagerAuthorizationStatusAuthorized) {
                    NSString * devideIDFA = [[ASIdentifierManager sharedManager] advertisingIdentifier].UUIDString;
                    if(devideIDFA){
                         if (complete) {
                            complete(devideIDFA);
                         }
                      return;
                    }
                }
            }];
        } else {
            // 使用原方式訪問(wèn) IDFA
            if ([[ASIdentifierManager sharedManager] isAdvertisingTrackingEnabled]) {
                NSString *devideIDFA = [[[ASIdentifierManager sharedManager] advertisingIdentifier] UUIDString];
                if(devideIDFA){
                  if (complete) {
                     complete(devideIDFA);
                  }  
                  return;
                }
            }
        }
}
20. 獲取CPU總數(shù)目
// 獲取CPU總數(shù)目
+ (NSString *) getCPUCount {
     return [NSProcessInfo processInfo].activeProcessorCount;
}
21. 獲取已使用的CPU比例
// 獲取已使用的CPU比例
+ (NSString *) getCPUUsage {
     float cpu = 0;
    NSArray *cpus = [self getPerCPUUsage];
    if (cpus.count == 0) return -1;
    for (NSNumber *n in cpus) {
        cpu += n.floatValue;
    }
NSString *stringFloat = [NSString stringWithFormat:@"%f",cpu];
return stringFloat;
}
22. 獲取每個(gè)cpu的使用比例
// 獲取每個(gè)cpu的使用比例
- (NSArray *)getPerCPUUsage {
    processor_info_array_t _cpuInfo, _prevCPUInfo = nil;
    mach_msg_type_number_t _numCPUInfo, _numPrevCPUInfo = 0;
    unsigned _numCPUs;
    NSLock *_cpuUsageLock;
    
    int _mib[2U] = { CTL_HW, HW_NCPU };
    size_t _sizeOfNumCPUs = sizeof(_numCPUs);
    int _status = sysctl(_mib, 2U, &_numCPUs, &_sizeOfNumCPUs, NULL, 0U);
    if (_status)
        _numCPUs = 1;
    
    _cpuUsageLock = [[NSLock alloc] init];
    
    natural_t _numCPUsU = 0U;
    kern_return_t err = host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &_numCPUsU, &_cpuInfo, &_numCPUInfo);
    if (err == KERN_SUCCESS) {
        [_cpuUsageLock lock];
        
        NSMutableArray *cpus = [NSMutableArray new];
        for (unsigned i = 0U; i < _numCPUs; ++i) {
            Float32 _inUse, _total;
            if (_prevCPUInfo) {
                _inUse = (
                          (_cpuInfo[(CPU_STATE_MAX * i) + CPU_STATE_USER]   - _prevCPUInfo[(CPU_STATE_MAX * i) + CPU_STATE_USER])
                          + (_cpuInfo[(CPU_STATE_MAX * i) + CPU_STATE_SYSTEM] - _prevCPUInfo[(CPU_STATE_MAX * i) + CPU_STATE_SYSTEM])
                          + (_cpuInfo[(CPU_STATE_MAX * i) + CPU_STATE_NICE]   - _prevCPUInfo[(CPU_STATE_MAX * i) + CPU_STATE_NICE])
                          );
                _total = _inUse + (_cpuInfo[(CPU_STATE_MAX * i) + CPU_STATE_IDLE] - _prevCPUInfo[(CPU_STATE_MAX * i) + CPU_STATE_IDLE]);
            } else {
                _inUse = _cpuInfo[(CPU_STATE_MAX * i) + CPU_STATE_USER] + _cpuInfo[(CPU_STATE_MAX * i) + CPU_STATE_SYSTEM] + _cpuInfo[(CPU_STATE_MAX * i) + CPU_STATE_NICE];
                _total = _inUse + _cpuInfo[(CPU_STATE_MAX * i) + CPU_STATE_IDLE];
            }
            [cpus addObject:@(_inUse / _total)];
        }
        
        [_cpuUsageLock unlock];
        if (_prevCPUInfo) {
            size_t prevCpuInfoSize = sizeof(integer_t) * _numPrevCPUInfo;
            vm_deallocate(mach_task_self(), (vm_address_t)_prevCPUInfo, prevCpuInfoSize);
        }
        return cpus;
    } else {
        return nil;
    }
}
23.獲取磁盤總空間
// 獲取磁盤總空間
- (int64_t)getTotalDiskSpace {
    NSError *error = nil;
    NSDictionary *attrs = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:&error];
    if (error) return -1;
    int64_t space =  [[attrs objectForKey:NSFileSystemSize] longLongValue];
    if (space < 0) space = -1;
    return space;
}
24. 獲取未使用的磁盤空間
// 獲取未使用的磁盤空間
- (int64_t)getFreeDiskSpace {
    NSError *error = nil;
    NSDictionary *attrs = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:&error];
    if (error) return -1;
    int64_t space =  [[attrs objectForKey:NSFileSystemFreeSize] longLongValue];
    if (space < 0) space = -1;
    return space;
}
25. 獲取已使用的磁盤空間
// 獲取已使用的磁盤空間
- (int64_t)getUsedDiskSpace {
    int64_t totalDisk = [self getTotalDiskSpace];
    int64_t freeDisk = [self getFreeDiskSpace];
    if (totalDisk < 0 || freeDisk < 0) return -1;
    int64_t usedDisk = totalDisk - freeDisk;
    if (usedDisk < 0) usedDisk = -1;
    return usedDisk;
}

26. 獲取系統(tǒng)總內(nèi)存空間
// 獲取系統(tǒng)總內(nèi)存空間
- (int64_t)getTotalMemory {
    int64_t totalMemory = [[NSProcessInfo processInfo] physicalMemory];
    if (totalMemory < -1) totalMemory = -1;
    return totalMemory;
}
27. 獲取活躍的內(nèi)存,正在使用或者很短時(shí)間內(nèi)被使用過(guò)
// 獲取活躍的內(nèi)存,正在使用或者很短時(shí)間內(nèi)被使用過(guò)
- (int64_t)getActiveMemory {
    mach_port_t host_port = mach_host_self();
    mach_msg_type_number_t host_size = sizeof(vm_statistics_data_t) / sizeof(integer_t);
    vm_size_t page_size;
    vm_statistics_data_t vm_stat;
    kern_return_t kern;
    
    kern = host_page_size(host_port, &page_size);
    if (kern != KERN_SUCCESS) return -1;
    kern = host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size);
    if (kern != KERN_SUCCESS) return -1;
    return vm_stat.active_count * page_size;
}
28. 獲取最近使用過(guò),但是目前處于不活躍狀態(tài)的內(nèi)存
// 獲取最近使用過(guò),但是目前處于不活躍狀態(tài)的內(nèi)存
- (int64_t)getInActiveMemory {
    mach_port_t host_port = mach_host_self();
    mach_msg_type_number_t host_size = sizeof(vm_statistics_data_t) / sizeof(integer_t);
    vm_size_t page_size;
    vm_statistics_data_t vm_stat;
    kern_return_t kern;
    
    kern = host_page_size(host_port, &page_size);
    if (kern != KERN_SUCCESS) return -1;
    kern = host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size);
    if (kern != KERN_SUCCESS) return -1;
    return vm_stat.inactive_count * page_size;
}
29. 獲取空閑的內(nèi)存空間
// 獲取空閑的內(nèi)存空間
- (int64_t)getFreeMemory {
    mach_port_t host_port = mach_host_self();
    mach_msg_type_number_t host_size = sizeof(vm_statistics_data_t) / sizeof(integer_t);
    vm_size_t page_size;
    vm_statistics_data_t vm_stat;
    kern_return_t kern;
    
    kern = host_page_size(host_port, &page_size);
    if (kern != KERN_SUCCESS) return -1;
    kern = host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size);
    if (kern != KERN_SUCCESS) return -1;
    return vm_stat.free_count * page_size;
}

30. 獲取已使用的內(nèi)存空間
// 獲取已使用的內(nèi)存空間
- (int64_t)getUsedMemory {
    mach_port_t host_port = mach_host_self();
    mach_msg_type_number_t host_size = sizeof(vm_statistics_data_t) / sizeof(integer_t);
    vm_size_t page_size;
    vm_statistics_data_t vm_stat;
    kern_return_t kern;
    
    kern = host_page_size(host_port, &page_size);
    if (kern != KERN_SUCCESS) return -1;
    kern = host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size);
    if (kern != KERN_SUCCESS) return -1;
    return page_size * (vm_stat.active_count + vm_stat.inactive_count + vm_stat.wire_count);
}
31. 用來(lái)存放內(nèi)核和數(shù)據(jù)結(jié)構(gòu)的內(nèi)存,framework骡楼、用戶級(jí)別的應(yīng)用無(wú)法分配
// 用來(lái)存放內(nèi)核和數(shù)據(jù)結(jié)構(gòu)的內(nèi)存,framework熔号、用戶級(jí)別的應(yīng)用無(wú)法分配
- (int64_t)getWiredMemory {
    mach_port_t host_port = mach_host_self();
    mach_msg_type_number_t host_size = sizeof(vm_statistics_data_t) / sizeof(integer_t);
    vm_size_t page_size;
    vm_statistics_data_t vm_stat;
    kern_return_t kern;
    
    kern = host_page_size(host_port, &page_size);
    if (kern != KERN_SUCCESS) return -1;
    kern = host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size);
    if (kern != KERN_SUCCESS) return -1;
    return vm_stat.wire_count * page_size;
}
32. 可釋放的內(nèi)存空間:內(nèi)存吃緊自動(dòng)釋放,針對(duì)大對(duì)象存放所需的大塊內(nèi)存空間
// 可釋放的內(nèi)存空間:內(nèi)存吃緊自動(dòng)釋放鸟整,針對(duì)大對(duì)象存放所需的大塊內(nèi)存空間
- (int64_t)getPurgableMemory {
    mach_port_t host_port = mach_host_self();
    mach_msg_type_number_t host_size = sizeof(vm_statistics_data_t) / sizeof(integer_t);
    vm_size_t page_size;
    vm_statistics_data_t vm_stat;
    kern_return_t kern;
    
    kern = host_page_size(host_port, &page_size);
    if (kern != KERN_SUCCESS) return -1;
    kern = host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size);
    if (kern != KERN_SUCCESS) return -1;
    return vm_stat.purgeable_count * page_size;
}

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