ios开发常用硬件信息获取方法汇总
自己写的一些常用硬件方法
#pragma mark - ---------------------------------
#pragma mark 获取ios版本号
+ (float)getIOSVersion
{
return [[[UIDevice currentDevice] systemVersion] floatValue];
}
#pragma mark 获取ios app发布版本号
+(NSString *)getAppShortVersion
{
// 代码实现获得应用的Verison号：
NSString *strTemp=[[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"];
// 或
// [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
return strTemp;
}
#pragma mark 获取ios build版本号
+(NSString *)getAppBuildVersion
{
// 获得build号：
NSString *strTemp=[[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"];
return strTemp;
}
#pragma mark NSString和Address的转换
+ (NSString *) stringFromAddress: (const struct sockaddr *) address
{
if(address && address->sa_family == AF_INET) {
const struct sockaddr_in* sin = (struct sockaddr_in*) address;
return [NSString stringWithFormat:@"%@:%d", [NSString stringWithUTF8String:inet_ntoa(sin->sin_addr)], ntohs(sin->sin_port)];
}
return nil;
}
#pragma mark NSString和Address的转换
+ (BOOL)addressFromString:(NSString *)IPAddress address:(struct sockaddr_in *)address
{
if (!IPAddress || ![IPAddress length]) {
return NO;
}
memset((char *) address, sizeof(struct sockaddr_in), 0);
address->sin_family = AF_INET;
address->sin_len = sizeof(struct sockaddr_in);
int conversionResult = inet_aton([IPAddress UTF8String], &address->sin_addr);
if (conversionResult == 0) {
NSAssert1(conversionResult != 1, @"Failed to convert the IP address string into a sockaddr_in: %@", IPAddress);
return NO;
}
return YES;
}
#pragma mark 获取host的名称
+ (NSString *) hostname
{
char baseHostName[256]; // Thanks, Gunnar Larisch
int success = gethostname(baseHostName, 255);
if (success != 0) return nil;
// 2015-07-30 19:32:36 update by 胡仕君
// baseHostName[255] = '/0';
baseHostName[255] = '\0';
NSLog(@"basehostname = %@",[NSString stringWithFormat:@"%s", baseHostName]);
#if TARGET_IPHONE_SIMULATOR
return [NSString stringWithFormat:@"%s", baseHostName];
#else
return [NSString stringWithFormat:@"%s.local", baseHostName];
#endif
}
#pragma mark 获取ip地址
+ (NSString *)getIPAddress {
NSString *address = @"error";
struct ifaddrs *interfaces = NULL;
struct ifaddrs *temp_addr = NULL;
int success = 0;
// retrieve the current interfaces - returns 0 on success
success = getifaddrs(&interfaces);
if (success == 0) {
// Loop through linked list of interfaces
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;
}
}
// Free memory
freeifaddrs(interfaces);
return address;
}
+ (NSString *) localIPAddress
{
struct hostent *host = gethostbyname([[self hostname] UTF8String]);
NSLog(@"host = %s",[[self hostname] UTF8String]);
if (!host) {herror("resolv"); return nil;}
struct in_addr **list = (struct in_addr **)host->h_addr_list;
NSLog(@"ip = %@",[NSString stringWithCString:inet_ntoa(*list[0]) encoding:NSUTF8StringEncoding]);
return [NSString stringWithCString:inet_ntoa(*list[0]) encoding:NSUTF8StringEncoding];
}
#pragma mark 从host获取地址
+ (NSString *) getIPAddressForHost: (NSString *) theHost
{
struct hostent *host = gethostbyname([theHost UTF8String]);
if (!host) {herror("resolv"); return NULL; }
struct in_addr **list = (struct in_addr **)host->h_addr_list;
NSString *addressString = [NSString stringWithCString:inet_ntoa(*list[0]) encoding:NSUTF8StringEncoding];
return addressString;
}
#pragma mark 获取本机wifi的ip地址
+ (NSString *) localWiFiIPAddress
{
BOOL success;
struct ifaddrs * addrs;
const struct ifaddrs * cursor;
success = getifaddrs(&addrs) == 0;
if (success) {
cursor = addrs;
while (cursor != NULL) {
// the second test keeps from picking up the loopback address
if (cursor->ifa_addr->sa_family == AF_INET && (cursor->ifa_flags & IFF_LOOPBACK) == 0)
{
NSString *name = [NSString stringWithUTF8String:cursor->ifa_name];
if ([name isEqualToString:@"en0"]) // Wi-Fi adapter
return [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)cursor->ifa_addr)->sin_addr)];
}
cursor = cursor->ifa_next;
}
freeifaddrs(addrs);
}
return nil;
}
#pragma mark - 获取设备平台版本信息
+ (NSString *)getDeviceVersionInfo
{
struct utsname systemInfo;
uname(&systemInfo);
NSString *platform = [NSString stringWithFormat:@"%s", systemInfo.machine];
return platform;
}
#pragma mark 获取当前设备型号
+ (NSString *)getDeviceType
{
NSString *correspondVersion = [self getDeviceVersionInfo];
//************************************************模拟器************************************************
if ([correspondVersion isEqualToString:@"i386"]){
return DeviceIPhone6;
}
if ([correspondVersion isEqualToString:@"x86_64"]){
return DeviceIPhone6;
}
//************************************************iPhone************************************************
if ([correspondVersion isEqualToString:@"iPhone1,1"]){
return DeviceIPhone1;
}
if ([correspondVersion isEqualToString:@"iPhone1,2"]){
return DeviceIPhone3;
}
if ([correspondVersion isEqualToString:@"iPhone2,1"]){
return DeviceIPhone3s;
}
if ([correspondVersion isEqualToString:@"iPhone3,1"] || [correspondVersion isEqualToString:@"iPhone3,2"]){
return DeviceIPhone4;
}
if ([correspondVersion isEqualToString:@"iPhone4,1"]){
return DeviceIPhone4s;
}
if ([correspondVersion isEqualToString:@"iPhone5,1"] || [correspondVersion isEqualToString:@"iPhone5,2"]){
return DeviceIPhone5;
}
if ([correspondVersion isEqualToString:@"iPhone5,3"] || [correspondVersion isEqualToString:@"iPhone5,4"]){
return DeviceIPhone5c;
}
if ([correspondVersion isEqualToString:@"iPhone6,1"] || [correspondVersion isEqualToString:@"iPhone6,2"]){
return DeviceIPhone5s;
}
if ([correspondVersion isEqualToString:@"iPhone7,1"]){
return DeviceIPhone6Plus;
}
if ([correspondVersion isEqualToString:@"iPhone7,2"]){
return DeviceIPhone6;
}
if ([correspondVersion isEqualToString:@"iPhone8,1"]){
return DeviceIPhone6s;
}
if ([correspondVersion isEqualToString:@"iPhone8,2"]){
return DeviceIPhone6sPlus;
}
//************************************************iPod************************************************
if ([correspondVersion isEqualToString:@"iPod1,1"]){
return DeviceIPodTouch1;
}
if ([correspondVersion isEqualToString:@"iPod2,1"]){
return DeviceIPodTouch2;
}
if ([correspondVersion isEqualToString:@"iPod3,1"]){
return DeviceIPodTouch3;
}
if ([correspondVersion isEqualToString:@"iPod4,1"]){
return DeviceIPodTouch4;
}
if ([correspondVersion isEqualToString:@"iPod5,1"]){
return DeviceIPodTouch5;
}
//************************************************iPad************************************************
if ([correspondVersion isEqualToString:@"iPad1,1"]){
return DeviceIPad1;
}
if ([correspondVersion isEqualToString:@"iPad2,1"] || [correspondVersion isEqualToString:@"iPad2,2"] || [correspondVersion isEqualToString:@"iPad2,3"] || [correspondVersion isEqualToString:@"iPad2,4"]){
return DeviceIPad2;
}
if ([correspondVersion isEqualToString:@"iPad3,1"] || [correspondVersion isEqualToString:@"iPad3,2"] ){
return DeviceIPad3;
}
if ([correspondVersion isEqualToString:@"iPad3,4"] || [correspondVersion isEqualToString:@"iPad3,5"] ){
return DeviceIPad4;
}
if ([correspondVersion isEqualToString:@"iPad2,5"] || [correspondVersion isEqualToString:@"iPad2,6"] || [correspondVersion isEqualToString:@"iPad2,7"] ){
return DeviceIPadMini1;
}
if ([correspondVersion isEqualToString:@"iPad4,4"] || [correspondVersion isEqualToString:@"iPad4,5"]){
return DeviceIPadMini2;
}
if ([correspondVersion isEqualToString:@"iPad4,7"] || [correspondVersion isEqualToString:@"iPad4,8"]){
return DeviceIPadMini3;
}
if ([correspondVersion isEqualToString:@"iPad4,1"] || [correspondVersion isEqualToString:@"iPad4,1"] ){
return DeviceIPadAir1;
}
if ([correspondVersion isEqualToString:@"iPad5,3"] || [correspondVersion isEqualToString:@"iPad5,4"] ){
return DeviceIPadAir2;
}
// else{//2015-08-06 15:49:27 add by 胡仕君：添加其他情况返回数据；比如刚出的新设备iPhone6s
// return DeviceIPhone5;
// }
return correspondVersion;
}
//获取设备尺寸
+ (UIDeviceInch)getDeviceInch
{
NSString *strDeviceType=[self getDeviceType];
//iPhone1、3、3s、4、4s 都是3.5寸屏幕
if ([strDeviceType isEqualToString:DeviceIPhone1] ||
[strDeviceType isEqualToString:DeviceIPhone3] ||
[strDeviceType isEqualToString:DeviceIPhone3s] ||
[strDeviceType isEqualToString:DeviceIPhone4] ||
[strDeviceType isEqualToString:DeviceIPhone4s] ||
[strDeviceType isEqualToString:DeviceIPodTouch1] ||
[strDeviceType isEqualToString:DeviceIPodTouch2] ||
[strDeviceType isEqualToString:DeviceIPodTouch3] ||
[strDeviceType isEqualToString:DeviceIPodTouch4] ||
[strDeviceType isEqualToString:DeviceIPodTouch5])
{
return UIDeviceInch35;
}else if ([strDeviceType isEqualToString:DeviceIPhone5] ||
[strDeviceType isEqualToString:DeviceIPhone5c] ||
[strDeviceType isEqualToString:DeviceIPhone5s]) {
return UIDeviceInch40;
}else if ([strDeviceType isEqualToString:DeviceIPhone6]){
return UIDeviceInch47;
}else if ([strDeviceType isEqualToString:DeviceIPhone6Plus]){
return UIDeviceInch55;
}else if([strDeviceType isEqualToString:DeviceIPad1] ||
[strDeviceType isEqualToString:DeviceIPad2] ||
[strDeviceType isEqualToString:DeviceIPad3] ||
[strDeviceType isEqualToString:DeviceIPad4])
{
return UIDeviceInch97;
}else if([strDeviceType isEqualToString:DeviceIPadMini1]||
[strDeviceType isEqualToString:DeviceIPadMini2] ||
[strDeviceType isEqualToString:DeviceIPadMini3])
{
return UIDeviceInch79;
}else{
return UIDeviceInch40;
}
}
#pragma mark - 打开关闭闪光灯
+(void)turnOffFlashlight
{
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
if ([device hasTorch]) {
[device lockForConfiguration:nil];
[device setTorchMode: AVCaptureTorchModeOff];
[device unlockForConfiguration];
}
}
+(void)turnOnFlashlight
{
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
if ([device hasTorch]) {
[device lockForConfiguration:nil];
[device setTorchMode: AVCaptureTorchModeOn];
[device unlockForConfiguration];
}
}
#pragma mark 内存使用状况
// 获取当前设备可用内存(单位：MB）
+ (double)availableMemory
{
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) / 1024.0) / 1024.0;
}
#pragma mark 占用的内存（单位：MB）
+ (double)usedMemory
{
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 / 1024.0 / 1024.0;
}
//NSFileManager包含非常丰富的信息，通过下面的方法可很容易的获取系统磁盘的大小和可用磁盘的大小
#pragma mark 总的磁盘空间
+ (float)getTotalDiskspace{
float totalSpace;
NSError *error = nil;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths lastObject] error: &error];
if (dictionary) {
NSNumber *fileSystemSizeInBytes = [dictionary objectForKey: NSFileSystemSize];
totalSpace = [fileSystemSizeInBytes floatValue]/1024.0f/1024.0f/1024.0f;
} else {
totalSpace = 0;
}
return totalSpace;
}
#pragma mark 可用磁盘空间
+ (float)getFreeDiskspace{
float freeSpace;
NSError *error = nil;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths lastObject] error: &error];
if (dictionary) {
NSNumber *freeFileSystemSizeInBytes = [dictionary objectForKey:NSFileSystemFreeSize];
freeSpace = [freeFileSystemSizeInBytes floatValue]/1024.0f/1024.0f/1024.0f;
} else {
freeSpace = 0;
}
return freeSpace;
}
@end
