[英]Possible values for [[UIDevice currentDevice] systemName];
[英]UIDevice currentDevice model possible values
可能的價格包括iPod touch
, iPhone
, iPhone Simulator
, iPad
, iPad Simulator
如果你想知道iOS
正在破壞哪個硬件,如iPhone3
, iPhone4
, iPhone5
等,下面就是代碼
注意:下面的代碼可能不包含所有設備的字符串,我和其他人在GitHub上維護相同的代碼,所以請從那里獲取最新的代碼
Objective-C: GitHub / DeviceUtil
Swift: GitHub / DeviceGuru
#include <sys/types.h>
#include <sys/sysctl.h>
- (NSString*)hardwareDescription {
NSString *hardware = [self hardwareString];
if ([hardware isEqualToString:@"iPhone1,1"]) return @"iPhone 2G";
if ([hardware isEqualToString:@"iPhone1,2"]) return @"iPhone 3G";
if ([hardware isEqualToString:@"iPhone3,1"]) return @"iPhone 4";
if ([hardware isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
if ([hardware isEqualToString:@"iPhone5,1"]) return @"iPhone 5";
if ([hardware isEqualToString:@"iPod1,1"]) return @"iPodTouch 1G";
if ([hardware isEqualToString:@"iPod2,1"]) return @"iPodTouch 2G";
if ([hardware isEqualToString:@"iPad1,1"]) return @"iPad";
if ([hardware isEqualToString:@"iPad2,6"]) return @"iPad Mini";
if ([hardware isEqualToString:@"iPad4,1"]) return @"iPad Air WIFI";
//there are lots of other strings too, checkout the github repo
//link is given at the top of this answer
if ([hardware isEqualToString:@"i386"]) return @"Simulator";
if ([hardware isEqualToString:@"x86_64"]) return @"Simulator";
return nil;
}
- (NSString*)hardwareString {
size_t size = 100;
char *hw_machine = malloc(size);
int name[] = {CTL_HW,HW_MACHINE};
sysctl(name, 2, hw_machine, &size, NULL, 0);
NSString *hardware = [NSString stringWithUTF8String:hw_machine];
free(hw_machine);
return hardware;
}
我剛剛對iPod Touch,iPhone,Phone Retina,iPhone 5,iPad,iPad Retina和iPad Mini進行了測試。 所以這是我的結論:
iPod touch
iPhone
iPad
在模擬器上 - 如果您是開發人員從事有時在模擬器上根本無法工作的功能,這可能很有用 - 您將獲得以下值:
iPhone Simulator
iPad Simulator
我相信解釋的最佳答案(這里沒有寫的東西)是說值本身是一個字符串值。 並且可能的答案是字符串,例如:“iPhone”,“iPad”等。
對於新型號,這些答案都不可擴展。 這是一個枚舉:
public enum DeviceType {
case iPad(String?)
case iPhone(String?)
case simulator(String?)
case appleTV(String?)
case unknown
}
我寫的擴展我認為當新的型號出現時,它會更清潔,更可擴展。
extension UIDevice {
public static func getDevice() -> DeviceType {
var info = utsname()
uname(&info)
let machineMirror = Mirror(reflecting: info.machine)
let code = machineMirror.children.reduce("") { identifier, element in
guard let value = element.value as? Int8, value != 0 else {
return identifier
}
return identifier + String(UnicodeScalar(UInt8(value)))
}
if code.lowercased().range(of: "ipad") != nil {
if let range = code.lowercased().range(of: "ipad") {
var mutate = code
mutate.removeSubrange(range)
return .iPad(mutate)
}else{
return .iPad(nil)
}
}else if code.lowercased().range(of: "iphone") != nil {
if let range = code.lowercased().range(of: "iphone") {
var mutate = code
mutate.removeSubrange(range)
return .iPhone(mutate)
}else{
return .iPhone(nil)
}
}else if code.lowercased().range(of: "i386") != nil || code.lowercased().range(of: "x86_64") != nil{
return .simulator(code)
}else if code.lowercased().range(of: "appletv") != nil {
if let range = code.lowercased().range(of: "appletv") {
var mutate = code
mutate.removeSubrange(range)
return .appleTV(mutate)
}else{
return .appleTV(nil)
}
}else{
return .unknown
}
}
}
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