最近工作上需要獲取設(shè)備的一些信息,整理了一下,方便大家彻桃。

1.獲取電池電量(一般用百分數(shù)表示,大家自行處理就好)

-(CGFloat)getBatteryQuantity
{
    return [[UIDevice currentDevice] batteryLevel];
}

2.獲取電池狀態(tài)(UIDeviceBatteryState為枚舉類型)

-(UIDeviceBatteryState)getBatteryStauts
{
    return [UIDevice currentDevice].batteryState;
}

3.獲取總內(nèi)存大小

-(long long)getTotalMemorySize
{
    return [NSProcessInfo processInfo].physicalMemory;
}

4.獲取當前可用內(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));
}

5.獲取已使用內(nèi)存

- (double)getUsedMemory
{
  task_basic_info_data_t taskInfo;
  mach_msg_type_number_t infoCount = TASK_BASIC_INFO_COUNT;
  kern_return_t kernReturn = task_info(mach_task_self(), 
                                       TASK_BASIC_INFO, 
                                       (task_info_t)&taskInfo, 
                                       &infoCount);

  if (kernReturn != KERN_SUCCESS
      ) {
    return NSNotFound;
  }
  
  return taskInfo.resident_size;
}

6.獲取總磁盤容量

include <sys/mount.h>
-(long long)getTotalDiskSize
{
    struct statfs buf;
    unsigned long long freeSpace = -1;
    if (statfs("/var", &buf) >= 0)
    {
        freeSpace = (unsigned long long)(buf.f_bsize * buf.f_blocks);
    }
    return freeSpace;
}

7.獲取可用磁盤容量

-(long long)getAvailableDiskSize
{
    struct statfs buf;
    unsigned long long freeSpace = -1;
    if (statfs("/var", &buf) >= 0)
    {
        freeSpace = (unsigned long long)(buf.f_bsize * buf.f_bavail);
    }
    return freeSpace;
}

8.容量轉(zhuǎn)換

-(NSString *)fileSizeToString:(unsigned long long)fileSize
{
    NSInteger KB = 1024;
    NSInteger MB = KB*KB;
    NSInteger GB = MB*KB;

    if (fileSize < 10)  {
        return @"0 B";
    }else if (fileSize < KB)    {
        return @"< 1 KB";
    }else if (fileSize < MB)    {
        return [NSString stringWithFormat:@"%.1f KB",((CGFloat)fileSize)/KB];
    }else if (fileSize < GB)    {
        return [NSString stringWithFormat:@"%.1f MB",((CGFloat)fileSize)/MB];
    }else   {
         return [NSString stringWithFormat:@"%.1f GB",((CGFloat)fileSize)/GB];
    }
}

8.型號

#import <sys/sysctl.h>

+ (NSString *)getCurrentDeviceModel:(UIViewController *)controller
{
    int mib[2];
    size_t len;
    char *machine;
    
    mib[0] = CTL_HW;
    mib[1] = HW_MACHINE;
    sysctl(mib, 2, NULL, &len, NULL, 0);
    machine = malloc(len);
    sysctl(mib, 2, machine, &len, NULL, 0);
    
    NSString *platform = [NSString stringWithCString:machine encoding:NSASCIIStringEncoding];
    free(machine);
    
    if ([platform isEqualToString:@"iPhone3,1"]) return @"iPhone 4 (A1332)";
    if ([platform isEqualToString:@"iPhone3,2"]) return @"iPhone 4 (A1332)";
    if ([platform isEqualToString:@"iPhone3,3"]) return @"iPhone 4 (A1349)";
    if ([platform isEqualToString:@"iPhone4,1"]) return @"iPhone 4s (A1387/A1431)";
    if ([platform isEqualToString:@"iPhone5,1"]) return @"iPhone 5 (A1428)";
    if ([platform isEqualToString:@"iPhone5,2"]) return @"iPhone 5 (A1429/A1442)";
    if ([platform isEqualToString:@"iPhone5,3"]) return @"iPhone 5c (A1456/A1532)";
    if ([platform isEqualToString:@"iPhone5,4"]) return @"iPhone 5c (A1507/A1516/A1526/A1529)";
    if ([platform isEqualToString:@"iPhone6,1"]) return @"iPhone 5s (A1453/A1533)";
    if ([platform isEqualToString:@"iPhone6,2"]) return @"iPhone 5s (A1457/A1518/A1528/A1530)";
    if ([platform isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus (A1522/A1524)";
    if ([platform isEqualToString:@"iPhone7,2"]) return @"iPhone 6 (A1549/A1586)";
    if ([platform isEqualToString:@"iPhone8,1"]) return @"iPhone 6s";
    if ([platform isEqualToString:@"iPhone8,2"]) return @"iPhone 6s Plus";
    if ([platform isEqualToString:@"iPhone8,4"])    return @"iPhone SE";
    if ([platform isEqualToString:@"iPhone9,1"])    return @"國行蜜徽、日版察蹲、港行iPhone 7";
    if ([platform isEqualToString:@"iPhone9,2"])    return @"港行寨辩、國行iPhone 7 Plus";
    if ([platform isEqualToString:@"iPhone9,3"])    return @"美版禁舷、臺版iPhone 7";
    if ([platform isEqualToString:@"iPhone9,4"])    return @"美版违霞、臺版iPhone 7 Plus";
    if ([platform isEqualToString:@"iPhone10,1"])   return @"國行(A1863)亩码、日行(A1906)iPhone 8";
    if ([platform isEqualToString:@"iPhone10,4"])   return @"美版(Global/A1905)iPhone 8";
    if ([platform isEqualToString:@"iPhone10,2"])   return @"國行(A1864)震蒋、日行(A1898)iPhone 8 Plus";
    if ([platform isEqualToString:@"iPhone10,5"])   return @"美版(Global/A1897)iPhone 8 Plus";
    if ([platform isEqualToString:@"iPhone10,3"])   return @"國行(A1865)茸塞、日行(A1902)iPhone X";
    if ([platform isEqualToString:@"iPhone10,6"])   return @"美版(Global/A1901)iPhone X";

    if ([platform isEqualToString:@"iPod1,1"])   return @"iPod Touch 1G (A1213)";
    if ([platform isEqualToString:@"iPod2,1"])   return @"iPod Touch 2G (A1288)";
    if ([platform isEqualToString:@"iPod3,1"])   return @"iPod Touch 3G (A1318)";
    if ([platform isEqualToString:@"iPod4,1"])   return @"iPod Touch 4G (A1367)";
    if ([platform isEqualToString:@"iPod5,1"])   return @"iPod Touch 5G (A1421/A1509)";
    
    if ([platform isEqualToString:@"iPad1,1"])   return @"iPad 1G (A1219/A1337)";
    if ([platform isEqualToString:@"iPad2,1"])   return @"iPad 2 (A1395)";
    if ([platform isEqualToString:@"iPad2,2"])   return @"iPad 2 (A1396)";
    if ([platform isEqualToString:@"iPad2,3"])   return @"iPad 2 (A1397)";
    if ([platform isEqualToString:@"iPad2,4"])   return @"iPad 2 (A1395+New Chip)";
    if ([platform isEqualToString:@"iPad2,5"])   return @"iPad Mini 1G (A1432)";
    if ([platform isEqualToString:@"iPad2,6"])   return @"iPad Mini 1G (A1454)";
    if ([platform isEqualToString:@"iPad2,7"])   return @"iPad Mini 1G (A1455)";
    
    if ([platform isEqualToString:@"iPad3,1"])   return @"iPad 3 (A1416)";
    if ([platform isEqualToString:@"iPad3,2"])   return @"iPad 3 (A1403)";
    if ([platform isEqualToString:@"iPad3,3"])   return @"iPad 3 (A1430)";
    if ([platform isEqualToString:@"iPad3,4"])   return @"iPad 4 (A1458)";
    if ([platform isEqualToString:@"iPad3,5"])   return @"iPad 4 (A1459)";
    if ([platform isEqualToString:@"iPad3,6"])   return @"iPad 4 (A1460)";
    
    if ([platform isEqualToString:@"iPad4,1"])   return @"iPad Air (A1474)";
    if ([platform isEqualToString:@"iPad4,2"])   return @"iPad Air (A1475)";
    if ([platform isEqualToString:@"iPad4,3"])   return @"iPad Air (A1476)";
    if ([platform isEqualToString:@"iPad4,4"])   return @"iPad Mini 2G (A1489)";
    if ([platform isEqualToString:@"iPad4,5"])   return @"iPad Mini 2G (A1490)";
    if ([platform isEqualToString:@"iPad4,6"])   return @"iPad Mini 2G (A1491)";
    if ([platform isEqualToString:@"iPad4,7"])      return @"iPad Mini 3";
    if ([platform isEqualToString:@"iPad4,8"])      return @"iPad Mini 3";
    if ([platform isEqualToString:@"iPad4,9"])      return @"iPad Mini 3";
    if ([platform isEqualToString:@"iPad5,1"])      return @"iPad Mini 4 (WiFi)";
    if ([platform isEqualToString:@"iPad5,2"])      return @"iPad Mini 4 (LTE)";
    if ([platform isEqualToString:@"iPad5,3"])      return @"iPad Air 2";
    if ([platform isEqualToString:@"iPad5,4"])      return @"iPad Air 2";
    if ([platform isEqualToString:@"iPad6,3"])      return @"iPad Pro 9.7";
    if ([platform isEqualToString:@"iPad6,4"])      return @"iPad Pro 9.7";
    if ([platform isEqualToString:@"iPad6,7"])      return @"iPad Pro 12.9";
    if ([platform isEqualToString:@"iPad6,8"])      return @"iPad Pro 12.9";
    if ([platform isEqualToString:@"iPad6,11"])    return @"iPad 5 (WiFi)";
    if ([platform isEqualToString:@"iPad6,12"])    return @"iPad 5 (Cellular)";
    if ([platform isEqualToString:@"iPad7,1"])     return @"iPad Pro 12.9 inch 2nd gen (WiFi)";
    if ([platform isEqualToString:@"iPad7,2"])     return @"iPad Pro 12.9 inch 2nd gen (Cellular)";
    if ([platform isEqualToString:@"iPad7,3"])     return @"iPad Pro 10.5 inch (WiFi)";
    if ([platform isEqualToString:@"iPad7,4"])     return @"iPad Pro 10.5 inch (Cellular)";
    
   if ([platform isEqualToString:@"AppleTV2,1"])    return @"Apple TV 2";
   if ([platform isEqualToString:@"AppleTV3,1"])    return @"Apple TV 3";
   if ([platform isEqualToString:@"AppleTV3,2"])    return @"Apple TV 3";
   if ([platform isEqualToString:@"AppleTV5,3"])    return @"Apple TV 4";

    if ([platform isEqualToString:@"i386"])      return @"iPhone Simulator";
    if ([platform isEqualToString:@"x86_64"])    return @"iPhone Simulator";
    return platform;
}

可以根據(jù)自己的需求增改。有人說也可以按照手機屏幕來判斷查剖，但5和5s/5c等手機屏幕相同尺寸則無法判斷钾虐。。笋庄。我只做了iPhone的機型效扫，所以iPad和iPod Touch的信息并沒有更新到最新倔监，也請朋友們補充。

9.IP地址

#import <ifaddrs.h>和#import <arpa/inet.h>

- (NSString *)deviceIPAdress {
    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.當前手機連接的WIFI名稱(SSID)

需要#import <SystemConfiguration/CaptiveNetwork.h>

- (NSString *)getWifiName
{
    NSString *wifiName = nil;
    
    CFArrayRef wifiInterfaces = CNCopySupportedInterfaces();
    if (!wifiInterfaces) {
        return nil;
    }
    
    NSArray *interfaces = (__bridge NSArray *)wifiInterfaces;
    
    for (NSString *interfaceName in interfaces) {
        CFDictionaryRef dictRef = CNCopyCurrentNetworkInfo((__bridge CFStringRef)(interfaceName));
        
        if (dictRef) {
            NSDictionary *networkInfo = (__bridge NSDictionary *)dictRef;

            wifiName = [networkInfo objectForKey:(__bridge NSString *)kCNNetworkInfoKeySSID];
            
            CFRelease(dictRef);
        }
    }
    
    CFRelease(wifiInterfaces);
    return wifiName;
}

11.當前手機系統(tǒng)版本

[[[UIDevice currentDevice] systemVersion] floatValue] ;

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