iOS-人脸识别生物特征集成
我已经为我的应用集成/实现了Face ID(本地身份验证)身份验证,除Face ID提示警报窗口界面外,一切正常 它显示了一个带有浅灰色背景和标题“Face”的圆形正方形 ID“ 标题上方空白区域需要设置什么?这是面部id图标的空间吗?如果是,如何设置?我已经尝试了LAContext和LAPolicy的一切 请看此快照: 这是我的密码:iOS-人脸识别生物特征集成,ios,swift,ios11,touch-id,face-id,Ios,Swift,Ios11,Touch Id,Face Id,我已经为我的应用集成/实现了Face ID(本地身份验证)身份验证,除Face ID提示警报窗口界面外,一切正常 它显示了一个带有浅灰色背景和标题“Face”的圆形正方形 ID“ 标题上方空白区域需要设置什么?这是面部id图标的空间吗?如果是,如何设置?我已经尝试了LAContext和LAPolicy的一切 请看此快照: 这是我的密码: let laContext = LAContext() var error: NSError? let biometricsPolic
let laContext = LAContext()
var error: NSError?
let biometricsPolicy = LAPolicy.deviceOwnerAuthenticationWithBiometrics
if (laContext.canEvaluatePolicy(biometricsPolicy, error: &error)) {
if let laError = error {
print("laError - \(laError)")
return
}
var localizedReason = "Unlock device"
if #available(iOS 11.0, *) {
switch laContext.biometryType {
case .faceID: localizedReason = "Unlock using Face ID"; print("FaceId support")
case .touchID: localizedReason = "Unlock using Touch ID"; print("TouchId support")
case .none: print("No Biometric support")
}
} else {
// Fallback on earlier versions
}
laContext.evaluatePolicy(biometricsPolicy, localizedReason: localizedReason, reply: { (isSuccess, error) in
DispatchQueue.main.async(execute: {
if let laError = error {
print("laError - \(laError)")
} else {
if isSuccess {
print("sucess")
} else {
print("failure")
}
}
})
})
}
这只发生在模拟器中,在实际设备中,画布被面部图标动画占据 localizedReason仅适用于Touch ID,因为它们共享相同的API 更新1:添加屏幕录制:
- iPhone X:
- iPhone 7:
- iPhone X模拟器:
func beginFaceID() {
guard #available(iOS 8.0, *) else {
return print("Not supported")
}
let context = LAContext()
var error: NSError?
guard context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error) else {
return print(error)
}
let reason = "Face ID authentication"
context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: reason) { isAuthorized, error in
guard isAuthorized == true else {
return print(error)
}
print("success")
}
}
以下是TouchID和FaceID的工作代码,以及所有错误代码(Swift 4)
在任何使用生物识别技术的项目中,请将密钥包含在应用程序的
Info.plist
文件中。如果没有此键,系统将不允许应用程序使用面部ID
let authContext = LAContext()
authContext.localizedFallbackTitle = "Use Passcode"
authContext.localizedCancelTitle = "Cancel"
var authError: NSError?
if authContext.canEvaluatePolicy(.deviceOwnerAuthentication, error: &authError) {
evaluatePolicy(policy, context: authContext)
} else {
guard let error = authError else { return }
print("Error: \(error.code)")
checkError(error)
}
private func evaluatePolicy(_ policy: LAPolicy, context: LAContext) {
context.evaluatePolicy(policy, localizedReason: reason) { (success, error) in
if success {
print("Success")
} else {
guard let error = error else { return }
self.checkError(error as NSError)
}
}
}
private func checkError(_ error: NSError) {
guard let error = error as? LAError else { return }
switch error.code {
case .authenticationFailed:
print("authenticationFailed")
requestAuth(policy: .deviceOwnerAuthentication)
case .userFallback:
print("userFallback")
requestAuth(policy: .deviceOwnerAuthentication)
case .userCancel:
print("userCancel")
case .systemCancel:
print("systemCancel")
case .passcodeNotSet:
print("passcodeNotSet")
case .appCancel:
print("appCancel")
case .invalidContext:
print("invalidContext")
case .notInteractive:
print("notInteractive")
default:
checkBioMetricError(error)
}
}
private func checkBioMetricError(_ error: LAError) {
if #available(iOS 11.0, *) {
switch error.code {
case .biometryNotAvailable,
.biometryNotEnrolled,
.biometryLockout:
requestAuth(policy: .deviceOwnerAuthentication)
default: break
}
} else {
switch error.code {
case .touchIDNotAvailable,
.touchIDNotEnrolled,
.touchIDLockout:
requestAuth(policy: .deviceOwnerAuthentication)
default: break
}
}
}
若你们有实际的设备,你们能分享一下它的视觉效果吗。我只是想确认一下,在我将我的应用程序部署/上传到应用商店之前,我的应用程序运行良好,并且有合适的用户界面。我不认为是这样。给定代码已用于faceid,但缺少图标。NSFaceIDUsageDescription。这节省了我的时间。