update host app

Author: thisisabhash

HostApp/HostApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -93,6 +93,8 @@ struct ExampleLivenessView: View {
                         LivenessCheckErrorContentView.invalidSignature
                     case .cameraNotAvailable:
                         LivenessCheckErrorContentView.cameraNotAvailable
+                    case .validation:
+                        LivenessCheckErrorContentView.validation
                     default:
                         LivenessCheckErrorContentView.unexpected
                     }

HostApp/HostApp/Views/ExampleLivenessView.swift

@@ -55,6 +55,11 @@ extension LivenessCheckErrorContentView {
         name: "The signature on the request is invalid.",
         description: "Ensure the device time is correct and try again."
     )
+    
+    static let validation = LivenessCheckErrorContentView(
+        name: "The input fails to satisfy the constraints specified by the service.",
+        description: "Please try again."
+    )
 
     static let cameraNotAvailable = LivenessCheckErrorContentView(
         name: "The camera could not be started.",

HostApp/HostApp/Views/LivenessCheckErrorContentView.swift

@@ -117,7 +117,8 @@ class FaceLivenessDetectionViewModel: ObservableObject {
                 }
             case .unexpectedClosure(let error):
                 DispatchQueue.main.async {
-                    // known liveness errors already set `livenessState`
+                    // known liveness/rekognition service exceptions set the `livenessState` and
+                    // invoke onCompletion() callback directly
                     guard !error.isKnownLivenessError() else { return }
                     self?.livenessState.unrecoverableStateEncountered(.socketClosed)
                 }
@@ -222,7 +223,7 @@ class FaceLivenessDetectionViewModel: ObservableObject {
             try livenessService?.initializeLivenessStream(
                 withSessionID: sessionID,
                 userAgent: UserAgentValues.standard().userAgentString,
-                challenges: [challengeOptions.faceMovementChallengeOption.challenge,
+                challenges: [//challengeOptions.faceMovementChallengeOption.challenge,
                              challengeOptions.faceMovementAndLightChallengeOption.challenge],
                 options: .init(
                     attemptCount: Self.attemptCount,