[2/2] Allow using face as auth method for apps

Change-Id: Ib259d1f020f9ac29a9d85ae7edba55a2b2daa101

Author: jhenrique09

res/values/wave_strings.xml

@@ -319,8 +319,7 @@
     <string name="anbi_title">Accidental touch</string>
     <string name="anbi_summary">Prevent interaction with navigation buttons while the screen is being touched</string>
 
-    <string name="security_settings_face_settings_footer_custom">Face unlock lets you unlock your device by looking at it. Keep in mind:\n\n▒^w^o Your device may unlock any time you look at it.\n▒^w^o Your dev>
-    <string name="security_settings_face_settings_remove_dialog_details_custom">Data recorded by face unlock will be permanently and securely deleted. After removal, you will need your PIN, pattern, or passwor>
+    <!-- Face Unlock -->
     <string name="security_settings_face_unlock_redo_face_scan_summary">Remove existing face scan and create a new scan</string>
     <string name="security_settings_face_unlock_redo_face_scan_title">Redo face scan</string>
     <string name="security_dashboard_summary_face_and_fingerprint">Screen lock, fingerprint, face unlock</string>

src/com/android/settings/biometrics/face/FaceSettingsAppPreferenceController.java

@@ -26,8 +26,6 @@
 
 import com.android.settings.Utils;
 
-import com.android.settings.custom.biometrics.FaceUtils;
-
 /**
  * Preference controller for Face settings page controlling the ability to use
  * Face authentication in apps (through BiometricPrompt).
@@ -80,10 +78,6 @@ public void updateState(Preference preference) {
 
     @Override
     public int getAvailabilityStatus() {
-        if (FaceUtils.isFaceUnlockSupported()){
-            return UNSUPPORTED_ON_DEVICE;
-        }
-
         if(mFaceManager == null){
             return AVAILABLE_UNSEARCHABLE;
         }

src/com/android/settings/biometrics/face/FaceSettingsFooterPreferenceController.java

@@ -28,8 +28,6 @@
 import com.android.settingslib.HelpUtils;
 import com.android.settingslib.widget.FooterPreference;
 
-import com.android.settings.custom.biometrics.FaceUtils;
-
 /**
  * Footer for face settings showing the help text and help link.
  */
@@ -62,14 +60,10 @@ public void updateState(Preference preference) {
         final AnnotationSpan.LinkInfo linkInfo =
                 new AnnotationSpan.LinkInfo(mContext, ANNOTATION_URL, helpIntent);
 
-        final int footerRes;
-        if (FaceUtils.isFaceUnlockSupported()) {
-            footerRes = R.string.security_settings_face_settings_footer_custom;
-        } else if (mProvider.isAttentionSupported(mContext)) {
-            footerRes = R.string.security_settings_face_settings_footer;
-        } else {
-            footerRes = R.string.security_settings_face_settings_footer_attention_not_supported;
-        }
+        final int footerRes = mProvider.isAttentionSupported(mContext)
+                ? R.string.security_settings_face_settings_footer
+                : R.string.security_settings_face_settings_footer_attention_not_supported;
+
         preference.setTitle(AnnotationSpan.linkify(
                 mContext.getText(footerRes), linkInfo));
     }

src/com/android/settings/biometrics/face/FaceSettingsRemoveButtonPreferenceController.java

@@ -39,8 +39,6 @@
 
 import java.util.List;
 
-import com.android.settings.custom.biometrics.FaceUtils;
-
 /**
  * Controller for the remove button. This assumes that there is only a single face enrolled. The UI
  * will likely change if multiple enrollments are allowed/supported.
@@ -64,13 +62,8 @@ public int getMetricsCategory() {
         public Dialog onCreateDialog(Bundle savedInstanceState) {
             AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
 
-            int dialogMessage = R.string.security_settings_face_settings_remove_dialog_details;
-            if (FaceUtils.isFaceUnlockSupported()) {
-                dialogMessage = R.string.security_settings_face_settings_remove_dialog_details_custom;
-            }
-
             builder.setTitle(R.string.security_settings_face_settings_remove_dialog_title)
-                    .setMessage(dialogMessage)
+                    .setMessage(R.string.security_settings_face_settings_remove_dialog_details)
                     .setPositiveButton(R.string.delete, mOnClickListener)
                     .setNegativeButton(R.string.cancel, mOnClickListener);
             AlertDialog dialog = builder.create();