iOS开发～设备信息
2014-05-21 15:43
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参考了很多帖子，最后根据项目需求，修正了一些错误，总结了一个相对更全面一些的公用模块：
#import <UIKit/UIKit.h> @interface UIDevice (Info) + (NSString *) device; //设备类型(x86_64 iPod5,1) + (NSString *) deviceModel; //设备模式(iPad iPod iPhone) + (NSString *) osVersion; //系统版本 + (NSString *) os; //平台 + (NSString *) carrier; //运营商 + (NSString *) resolution; //分辨率 + (NSString *) locale; //地域 + (NSString *) appVersion; //程序版本 + (NSNumber *) timestamp; //unix timestamp + (NSString *) cpuType; //cpu型号 + (NSString *) cpuFrequency; //cpu频率 + (NSUInteger) cpuCount; //cpu核数 + (NSArray *) cpuUsage; //cpu利用率 + (NSUInteger) totalMemoryBytes; //获取手机内存总量,返回的是字节数 + (NSUInteger) freeMemoryBytes; //获取手机可用内存,返回的是字节数 + (long long) freeDiskSpaceBytes; //获取手机硬盘空闲空间,返回的是字节数 + (long long) totalDiskSpaceBytes; //获取手机硬盘总空间,返回的是字节数 + (BOOL ) isJailBreak; //是否越狱 + (BOOL ) bluetoothCheck; //是否支持蓝牙 @end
#import "UIDevice+Info.h"
#import <CoreTelephony/CTTelephonyNetworkInfo.h>
#import <CoreTelephony/CTCarrier.h>
#import <mach/mach.h>
#import <mach/mach_host.h>
#import <sys/types.h>
#import <sys/param.h>
#import <sys/mount.h>
#import <mach/processor_info.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/stat.h>
#include <net/if.h>
#include <net/if_dl.h>
#define IFPGA_NAMESTRING @"iFPGA"
#define IPHONE_1G_NAMESTRING @"iPhone 1G"
#define IPHONE_3G_NAMESTRING @"iPhone 3G"
#define IPHONE_3GS_NAMESTRING @"iPhone 3GS"
#define IPHONE_4_NAMESTRING @"iPhone 4"
#define IPHONE_4S_NAMESTRING @"iPhone 4S"
#define IPHONE_5_NAMESTRING @"iPhone 5"
#define IPHONE_UNKNOWN_NAMESTRING @"Unknown iPhone"
#define IPOD_1G_NAMESTRING @"iPod touch 1G"
#define IPOD_2G_NAMESTRING @"iPod touch 2G"
#define IPOD_3G_NAMESTRING @"iPod touch 3G"
#define IPOD_4G_NAMESTRING @"iPod touch 4G"
#define IPOD_UNKNOWN_NAMESTRING @"Unknown iPod"
#define IPAD_1G_NAMESTRING @"iPad 1G"
#define IPAD_2G_NAMESTRING @"iPad 2G"
#define IPAD_3G_NAMESTRING @"iPad 3G"
#define IPAD_4G_NAMESTRING @"iPad 4G"
#define IPAD_UNKNOWN_NAMESTRING @"Unknown iPad"
#define APPLETV_2G_NAMESTRING @"Apple TV 2G"
#define APPLETV_3G_NAMESTRING @"Apple TV 3G"
#define APPLETV_4G_NAMESTRING @"Apple TV 4G"
#define APPLETV_UNKNOWN_NAMESTRING @"Unknown Apple TV"
#define IOS_FAMILY_UNKNOWN_DEVICE @"Unknown iOS device"
#define SIMULATOR_NAMESTRING @"iPhone Simulator"
#define SIMULATOR_IPHONE_NAMESTRING @"iPhone Simulator"
#define SIMULATOR_IPAD_NAMESTRING @"iPad Simulator"
#define SIMULATOR_APPLETV_NAMESTRING @"Apple TV Simulator" // :)
//iPhone 3G 以后各代的CPU型号和频率
#define IPHONE_3G_CPUTYPE @"ARM11"
#define IPHONE_3G_CPUFREQUENCY @"412MHz"
#define IPHONE_3GS_CPUTYPE @"ARM Cortex A8"
#define IPHONE_3GS_CPUFREQUENCY @"600MHz"
#define IPHONE_4_CPUTYPE @"Apple A4"
#define IPHONE_4_CPUFREQUENCY @"1GMHz"
#define IPHONE_4S_CPUTYPE @"Apple A5 Double Core"
#define IPHONE_4S_CPUFREQUENCY @"800MHz"
//iPod touch 4G 的CPU型号和频率
#define IPOD_4G_CPUTYPE @"Apple A4"
#define IPOD_4G_CPUFREQUENCY @"800MHz"
#define IOS_CPUTYPE_UNKNOWN @"Unknown CPU type"
#define IOS_CPUFREQUENCY_UNKNOWN @"Unknown CPU frequency"
typedef enum {
UIDeviceUnknown,
UIDeviceSimulator,
UIDeviceSimulatoriPhone,
UIDeviceSimulatoriPad,
UIDeviceSimulatorAppleTV,
UIDevice1GiPhone,
UIDevice3GiPhone,
UIDevice3GSiPhone,
UIDevice4iPhone,
UIDevice4SiPhone,
UIDevice5iPhone,
UIDevice1GiPod,
UIDevice2GiPod,
UIDevice3GiPod,
UIDevice4GiPod,
UIDevice1GiPad,
UIDevice2GiPad,
UIDevice3GiPad,
UIDevice4GiPad,
UIDeviceAppleTV2,
UIDeviceAppleTV3,
UIDeviceAppleTV4,
UIDeviceUnknowniPhone,
UIDeviceUnknowniPod,
UIDeviceUnknowniPad,
UIDeviceUnknownAppleTV,
UIDeviceIFPGA,
} UIDevicePlatform;
typedef enum {
UIDeviceFamilyiPhone,
UIDeviceFamilyiPod,
UIDeviceFamilyiPad,
UIDeviceFamilyAppleTV,
UIDeviceFamilyUnknown,
} UIDeviceFamily;
@implementation UIDevice (Info)
+ (NSString *)device
{
size_t size;
sysctlbyname("hw.machine", NULL, &size, NULL, 0);
char *machine = malloc(size);
sysctlbyname("hw.machine", machine, &size, NULL, 0);
NSString *platform = [NSString stringWithUTF8String:machine];
free(machine);
return platform;
}
+ (NSString *) deviceModel
{
NSString *model = [[UIDevice currentDevice] model];
if ([model hasPrefix:@"iPad"]) {
return @"iPad";
} else if ([model hasPrefix:@"iPod"]) {
return @"iPod";
} else if ([model hasPrefix:@"iPhone"]){
return @"iPhone";
}
return nil;
}
+ (NSString *)osVersion
{
return [[UIDevice currentDevice] systemVersion];
}
+ (NSString*)os
{
return @"iOS";
}
+ (NSString *)carrier
{
if (NSClassFromString(@"CTTelephonyNetworkInfo"))
{
CTTelephonyNetworkInfo *netinfo = [[[CTTelephonyNetworkInfo alloc] init] autorelease];
CTCarrier *carrier = [netinfo subscriberCellularProvider];
return [carrier carrierName];
}
return @"";
}
+ (NSString *)resolution
{
CGRect bounds = [[UIScreen mainScreen] bounds];
CGFloat scale = [[UIScreen mainScreen] respondsToSelector:@selector(scale)] ? [[UIScreen mainScreen] scale] : 1.f;
CGSize res = CGSizeMake(bounds.size.width * scale, bounds.size.height * scale);
NSString *result = [NSString stringWithFormat:@"%gx%g", res.width, res.height];
return result;
}
+ (NSString *)locale
{
return [[NSLocale currentLocale] localeIdentifier];
}
+ (NSString *)appVersion
{
return [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString*)kCFBundleVersionKey];
}
+ (NSNumber *)timestamp
{
return [NSNumber numberWithLong:time(NULL)];
}
#pragma mark sysctlbyname utils
+ (NSString *) getSysInfoByName:(char *)typeSpecifier
{
size_t size;
sysctlbyname(typeSpecifier, NULL, &size, NULL, 0);
char *answer = malloc(size);
sysctlbyname(typeSpecifier, answer, &size, NULL, 0);
NSString *results = [NSString stringWithCString:answer encoding: NSUTF8StringEncoding];
free(answer);
return results;
}
#pragma mark platform information
+ (NSString *) platform
{
return [self getSysInfoByName:"hw.machine"];
}
+ (NSUInteger) platformType
{
NSString *platform = [self platform];
// The ever mysterious iFPGA
if ([platform isEqualToString:@"iFPGA"]) return UIDeviceIFPGA;
// iPhone
if ([platform isEqualToString:@"iPhone1,1"]) return UIDevice1GiPhone;
if ([platform isEqualToString:@"iPhone1,2"]) return UIDevice3GiPhone;
if ([platform hasPrefix:@"iPhone2"]) return UIDevice3GSiPhone;
if ([platform hasPrefix:@"iPhone3"]) return UIDevice4iPhone;
if ([platform hasPrefix:@"iPhone4"]) return UIDevice4SiPhone;
if ([platform hasPrefix:@"iPhone5"]) return UIDevice5iPhone;
// iPod
if ([platform hasPrefix:@"iPod1"]) return UIDevice1GiPod;
if ([platform hasPrefix:@"iPod2"]) return UIDevice2GiPod;
if ([platform hasPrefix:@"iPod3"]) return UIDevice3GiPod;
if ([platform hasPrefix:@"iPod4"]) return UIDevice4GiPod;
// iPad
if ([platform hasPrefix:@"iPad1"]) return UIDevice1GiPad;
if ([platform hasPrefix:@"iPad2"]) return UIDevice2GiPad;
if ([platform hasPrefix:@"iPad3"]) return UIDevice3GiPad;
if ([platform hasPrefix:@"iPad4"]) return UIDevice4GiPad;
// Apple TV
if ([platform hasPrefix:@"AppleTV2"]) return UIDeviceAppleTV2;
if ([platform hasPrefix:@"AppleTV3"]) return UIDeviceAppleTV3;
if ([platform hasPrefix:@"iPhone"]) return UIDeviceUnknowniPhone;
if ([platform hasPrefix:@"iPod"]) return UIDeviceUnknowniPod;
if ([platform hasPrefix:@"iPad"]) return UIDeviceUnknowniPad;
if ([platform hasPrefix:@"AppleTV"]) return UIDeviceUnknownAppleTV;
// Simulator thanks Jordan Breeding
if ([platform hasSuffix:@"86"] || [platform isEqual:@"x86_64"])
{
BOOL smallerScreen = [[UIScreen mainScreen] bounds].size.width < 768;
return smallerScreen ? UIDeviceSimulatoriPhone : UIDeviceSimulatoriPad;
}
return UIDeviceUnknown;
}
+ (NSString *) platformString
{
switch ([self platformType])
{
case UIDevice1GiPhone: return IPHONE_1G_NAMESTRING;
case UIDevice3GiPhone: return IPHONE_3G_NAMESTRING;
case UIDevice3GSiPhone: return IPHONE_3GS_NAMESTRING;
case UIDevice4iPhone: return IPHONE_4_NAMESTRING;
case UIDevice4SiPhone: return IPHONE_4S_NAMESTRING;
case UIDevice5iPhone: return IPHONE_5_NAMESTRING;
case UIDeviceUnknowniPhone: return IPHONE_UNKNOWN_NAMESTRING;
case UIDevice1GiPod: return IPOD_1G_NAMESTRING;
case UIDevice2GiPod: return IPOD_2G_NAMESTRING;
case UIDevice3GiPod: return IPOD_3G_NAMESTRING;
case UIDevice4GiPod: return IPOD_4G_NAMESTRING;
case UIDeviceUnknowniPod: return IPOD_UNKNOWN_NAMESTRING;
case UIDevice1GiPad : return IPAD_1G_NAMESTRING;
case UIDevice2GiPad : return IPAD_2G_NAMESTRING;
case UIDevice3GiPad : return IPAD_3G_NAMESTRING;
case UIDevice4GiPad : return IPAD_4G_NAMESTRING;
case UIDeviceUnknowniPad : return IPAD_UNKNOWN_NAMESTRING;
case UIDeviceAppleTV2 : return APPLETV_2G_NAMESTRING;
case UIDeviceAppleTV3 : return APPLETV_3G_NAMESTRING;
case UIDeviceAppleTV4 : return APPLETV_4G_NAMESTRING;
case UIDeviceUnknownAppleTV: return APPLETV_UNKNOWN_NAMESTRING;
case UIDeviceSimulator: return SIMULATOR_NAMESTRING;
case UIDeviceSimulatoriPhone: return SIMULATOR_IPHONE_NAMESTRING;
case UIDeviceSimulatoriPad: return SIMULATOR_IPAD_NAMESTRING;
case UIDeviceSimulatorAppleTV: return SIMULATOR_APPLETV_NAMESTRING;
case UIDeviceIFPGA: return IFPGA_NAMESTRING;
default: return IOS_FAMILY_UNKNOWN_DEVICE;
}
}
#pragma mark sysctl utils
+ (NSUInteger) getSysInfo: (uint) typeSpecifier
{
size_t size = sizeof(int);
int results;
int mib[2] = {CTL_HW, typeSpecifier};
sysctl(mib, 2, &results, &size, NULL, 0);
return (NSUInteger) results;
}
#pragma mark cpu information
+ (NSString *) cpuType
{
switch ([self platformType])
{
case UIDevice3GiPhone: return IPHONE_3G_CPUTYPE;
case UIDevice3GSiPhone: return IPHONE_3GS_CPUTYPE;
case UIDevice4iPhone: return IPHONE_4_CPUTYPE;
case UIDevice4SiPhone: return IPHONE_4S_CPUTYPE;
case UIDevice4GiPod: return IPOD_4G_CPUTYPE;
default: return IOS_CPUTYPE_UNKNOWN;
}
}
+ (NSString *) cpuFrequency
{
switch ([self platformType])
{
case UIDevice3GiPhone: return IPHONE_3G_CPUFREQUENCY;
case UIDevice3GSiPhone: return IPHONE_3GS_CPUFREQUENCY;
case UIDevice4iPhone: return IPHONE_4_CPUFREQUENCY;
case UIDevice4SiPhone: return IPHONE_4S_CPUFREQUENCY;
case UIDevice4GiPod: return IPOD_4G_CPUFREQUENCY;
default: return IOS_CPUFREQUENCY_UNKNOWN;
}
}
+ (NSUInteger) cpuCount
{
return [self getSysInfo:HW_NCPU];
}
+ (NSArray *)cpuUsage
{
NSMutableArray *usage = [NSMutableArray array];
// float usage = 0;
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];
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];
}
// NSLog(@"Core : %u, Usage: %.2f%%", i, _inUse / _total * 100.f);
float u = _inUse / _total * 100.f;
[usage addObject:[NSNumber numberWithFloat:u]];
}
[_cpuUsageLock unlock];
if(_prevCPUInfo) {
size_t prevCpuInfoSize = sizeof(integer_t) * _numPrevCPUInfo;
vm_deallocate(mach_task_self(), (vm_address_t)_prevCPUInfo, prevCpuInfoSize);
}
_prevCPUInfo = _cpuInfo;
_numPrevCPUInfo = _numCPUInfo;
_cpuInfo = nil;
_numCPUInfo = 0U;
} else {
NSLog(@"Error!");
}
return usage;
}
#pragma mark memory information
+ (NSUInteger) totalMemoryBytes
{
return [self getSysInfo:HW_PHYSMEM];
}
+ (NSUInteger) freeMemoryBytes
{
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 pagesize;
vm_statistics_data_t vm_stat;
host_page_size(host_port, &pagesize);
if (host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size) != KERN_SUCCESS) NSLog(@"Failed to fetch vm statistics");
// natural_t mem_used = (vm_stat.active_count + vm_stat.inactive_count + vm_stat.wire_count) * pagesize;
natural_t mem_free = vm_stat.free_count * pagesize;
// natural_t mem_total = mem_used + mem_free;
return mem_free;
}
#pragma mark disk information
+ (long long) freeDiskSpaceBytes
{
struct statfs buf;
long long freespace;
freespace = 0;
if(statfs("/private/var", &buf) >= 0){
freespace = (long long)buf.f_bsize * buf.f_bfree;
}
return freespace;
}
+ (long long) totalDiskSpaceBytes
{
struct statfs buf;
long long totalspace;
totalspace = 0;
if(statfs("/private/var", &buf) >= 0){
totalspace = (long long)buf.f_bsize * buf.f_blocks;
}
return totalspace;
}
+ (BOOL) isJailBreak
{
// int res = access("/var/mobile/Library/AddressBook/AddressBook.sqlitedb", F_OK);
// if (res != 0)
// return NO;
// return YES;
BOOL jailbroken = NO;
NSString *cydiaPath = @"/Applications/Cydia.app";
NSString *aptPath = @"/private/var/lib/apt/";
if ([[NSFileManager defaultManager] fileExistsAtPath:cydiaPath]) {
jailbroken = YES;
}
if ([[NSFileManager defaultManager] fileExistsAtPath:aptPath]) {
jailbroken = YES;
}
return jailbroken;
}
#pragma mark bluetooth information
+ (BOOL) bluetoothCheck
{
switch ([self platformType])
{
case UIDevice3GiPhone: return YES;
case UIDevice3GSiPhone: return YES;
case UIDevice4iPhone: return YES;
case UIDevice4SiPhone: return YES;
case UIDevice5iPhone: return YES;
case UIDevice3GiPod: return YES;
case UIDevice4GiPod: return YES;
case UIDevice1GiPad : return YES;
case UIDevice2GiPad : return YES;
case UIDevice3GiPad : return YES;
case UIDevice4GiPad : return YES;
default: return NO;
}
}
@end
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