Handle case when no frontal face is included in face capture result

Author: jakubdolejs

app/src/main/java/com/appliedrec/credentials/app/IDCardActivity.java

@@ -156,7 +156,11 @@ private void showResult(FaceCapture detectedFace) {
     @Override
     public void onSessionFinished(IVerIDSession<?> abstractVerIDSession, VerIDSessionResult verIDSessionResult) {
         if (!verIDSessionResult.getError().isPresent()) {
-            verIDSessionResult.getFirstFaceCapture(Bearing.STRAIGHT).ifPresent(this::showResult);
+            if (verIDSessionResult.getFirstFaceCapture(Bearing.STRAIGHT).isPresent()) {
+                showResult(verIDSessionResult.getFirstFaceCapture(Bearing.STRAIGHT).get());
+            } else {
+                showError(R.string.failed_to_extract_frontal_face_image);
+            }
         } else {
             showError(R.string.face_capture_failed);
         }

app/src/main/res/values/strings.xml

@@ -55,4 +55,5 @@
     <string name="face_capture_failed">Face capture failed</string>
     <string name="failed_to_start_session">Failed to start session</string>
     <string name="failed_to_prepare_face_images">Failed to prepare face images</string>
+    <string name="failed_to_extract_frontal_face_image">Failed to extract frontal face image</string>
 </resources>