: ,
C,
.
: , ,
, , .
LAError C
<LAError.h> LocalAuthentication.
:
#define kLAErrorAuthenticationFailed -1
#define kLAErrorUserCancel -2
#define kLAErrorTouchIDNotAvailable -6
#define kLAErrorTouchIDNotEnrolled -7
#define kLAErrorTouchIDLockout -8
#define kLAErrorBiometryNotAvailable kLAErrorTouchIDNotAvailable
#define kLAErrorBiometryNotEnrolled kLAErrorTouchIDNotEnrolled
#define kLAErrorBiometryLockout kLAErrorTouchIDLockout
typedef NS_ENUM(NSInteger, LAError)
{
LAErrorAuthenticationFailed = kLAErrorAuthenticationFailed,
LAErrorUserCancel = kLAErrorUserCancel,
LAErrorTouchIDNotAvailable NS_ENUM_DEPRECATED(10_10, 10_13, 8_0, 11_0, "use LAErrorBiometryNotAvailable") = kLAErrorTouchIDNotAvailable,
LAErrorTouchIDNotEnrolled NS_ENUM_DEPRECATED(10_10, 10_13, 8_0, 11_0, "use LAErrorBiometryNotEnrolled") = kLAErrorTouchIDNotEnrolled,
LAErrorTouchIDLockout NS_ENUM_DEPRECATED(10_11, 10_13, 9_0, 11_0, "use LAErrorBiometryLockout")
__WATCHOS_DEPRECATED(3.0, 4.0, "use LAErrorBiometryLockout") __TVOS_DEPRECATED(10.0, 11.0, "use LAErrorBiometryLockout") = kLAErrorTouchIDLockout,
LAErrorBiometryNotAvailable NS_ENUM_AVAILABLE(10_13, 11_0) __WATCHOS_AVAILABLE(4.0) __TVOS_AVAILABLE(11.0) = kLAErrorBiometryNotAvailable,
LAErrorBiometryNotEnrolled NS_ENUM_AVAILABLE(10_13, 11_0) __WATCHOS_AVAILABLE(4.0) __TVOS_AVAILABLE(11.0) = kLAErrorBiometryNotEnrolled,
LAErrorBiometryLockout NS_ENUM_AVAILABLE(10_13, 11_0) __WATCHOS_AVAILABLE(4.0) __TVOS_AVAILABLE(11.0) = kLAErrorBiometryLockout,
} NS_ENUM_AVAILABLE(10_10, 8_0) __WATCHOS_AVAILABLE(3.0) __TVOS_AVAILABLE(10.0);
, "" () ""
. , LAErrorTouchIDNotAvailable, LAErrorBiometryNotAvailable -6.
C, Swift enum
. -, Swift ,
/ .
Swift:
public struct LAError {
public init(_nsError: NSError)
public static var _nsErrorDomain: String { get }
public enum Code : Int {
case authenticationFailed
case userCancel
@available(iOS, introduced: 8.0, deprecated: 11.0, message: "use LAErrorBiometryNotAvailable")
case touchIDNotAvailable
@available(iOS, introduced: 8.0, deprecated: 11.0, message: "use LAErrorBiometryNotEnrolled")
case touchIDNotEnrolled
@available(iOS, introduced: 9.0, deprecated: 11.0, message: "use LAErrorBiometryLockout")
case touchIDLockout
@available(iOS 11.0, *)
public static var biometryNotAvailable: LAError.Code { get }
@available(iOS 11.0, *)
public static var biometryNotEnrolled: LAError.Code { get }
@available(iOS 11.0, *)
public static var biometryLockout: LAError.Code { get }
}
}
, -,
,
switch LAError.
,
enumeration:
macOS 10.13 iOS 11:
#import <Foundation/Foundation.h>
typedef NS_ENUM(NSInteger, MyEnum)
{
MyEnumA = 1,
MyEnumB = 2,
MyEnumC NS_ENUM_DEPRECATED(10_10, 10_13, 8_0, 11_0, "use MyEnumNewC") = 3,
MyEnumNewC NS_ENUM_AVAILABLE(10_13, 11_0) = 3,
};
Swift
public enum MyEnum : Int {
case A
case B
@available(OSX, introduced: 10_10, deprecated: 10_13, message: "use MyEnumNewC")
case C
@available(OSX 10_13, *)
public static var newC: MyEnum { get }
}
3 ()
.
, MyEnum :
// main.swift:
print(MyEnum.A) // Or: let _: MyEnum? = nil
// Build log:
// <unknown>:0: warning: 'C' was deprecated in OS X 10.13: use MyEnumNewC
, enum
switch:
func foo(err: MyEnum) {
switch err {
case .A:
print("A")
case .B:
print("B")
case .newC:
print("C")
}
}
(-) , :
func foo(err: MyEnum) {
switch err {
case .A:
print("A")
case .B:
print("B")
case .newC:
print("C")
default:
print("default")
}
}
.