Combined biometric settings implementation

There will be multiple biometrics authentications existing at the same
time, so we added a new page for multiple biometrics to control
biometrics settings.

Bug: 183449119
Test: manual test
Change-Id: I359082caf771e07dfd5b24973cb8a3cf372c1b30
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 48793e9..c89402c 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -38,6 +38,8 @@
     public static class CreateShortcutActivity extends SettingsActivity { /* empty */ }
     public static class FaceSettingsActivity extends SettingsActivity { /* empty */ }
     public static class FingerprintSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class CombinedBiometricSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class CombinedBiometricProfileSettingsActivity extends SettingsActivity { /* empty */ }
     public static class TetherSettingsActivity extends SettingsActivity {
         // TODO(b/147675042): Clean the override up when we enable the new Fragment persistently.
         @Override
diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index 391ee90..8418315 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -842,6 +842,13 @@
     }
 
     /**
+     * Return true if the device supports multiple biometrics authentications.
+     */
+    public static boolean isMultipleBiometricsSupported(Context context) {
+        return hasFingerprintHardware(context) && hasFaceHardware(context);
+    }
+
+    /**
      * Launches an intent which may optionally have a user id defined.
      * @param fragment Fragment to use to launch the activity.
      * @param intent Intent to launch.
diff --git a/src/com/android/settings/biometrics/combination/BiometricFaceProfileStatusPreferenceController.java b/src/com/android/settings/biometrics/combination/BiometricFaceProfileStatusPreferenceController.java
new file mode 100644
index 0000000..1dbfa64
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/BiometricFaceProfileStatusPreferenceController.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import android.content.Context;
+import android.os.UserHandle;
+
+/**
+ * Preference controller for face settings within the biometrics settings page of work profile,
+ * that controls the ability to unlock the phone with face authentication.
+ */
+public class BiometricFaceProfileStatusPreferenceController extends
+        BiometricFaceStatusPreferenceController {
+
+    public BiometricFaceProfileStatusPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    protected boolean isUserSupported() {
+        return mProfileChallengeUserId != UserHandle.USER_NULL
+                && mLockPatternUtils.isSeparateProfileChallengeAllowed(mProfileChallengeUserId);
+    }
+
+    @Override
+    protected int getUserId() {
+        return mProfileChallengeUserId;
+    }
+}
diff --git a/src/com/android/settings/biometrics/combination/BiometricFaceStatusPreferenceController.java b/src/com/android/settings/biometrics/combination/BiometricFaceStatusPreferenceController.java
new file mode 100644
index 0000000..e4b210e
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/BiometricFaceStatusPreferenceController.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import android.content.Context;
+
+import com.android.settings.Utils;
+import com.android.settings.biometrics.face.FaceStatusPreferenceController;
+
+/**
+ * Preference controller for face settings within the biometrics settings page, that controls the
+ * ability to unlock the phone with face authentication.
+ */
+public class BiometricFaceStatusPreferenceController extends FaceStatusPreferenceController {
+
+    public BiometricFaceStatusPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    protected boolean isDeviceSupported() {
+        return Utils.hasFaceHardware(mContext);
+    }
+}
diff --git a/src/com/android/settings/biometrics/combination/BiometricFingerprintProfileStatusPreferenceController.java b/src/com/android/settings/biometrics/combination/BiometricFingerprintProfileStatusPreferenceController.java
new file mode 100644
index 0000000..5477c9d
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/BiometricFingerprintProfileStatusPreferenceController.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import android.content.Context;
+import android.os.UserHandle;
+
+/**
+ * Preference controller for fingerprint settings within the biometrics settings page, that controls
+ * the ability to unlock the phone with fingerprint.
+ */
+public class BiometricFingerprintProfileStatusPreferenceController extends
+        BiometricFingerprintStatusPreferenceController {
+
+    public BiometricFingerprintProfileStatusPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    protected boolean isUserSupported() {
+        return mProfileChallengeUserId != UserHandle.USER_NULL
+                && mLockPatternUtils.isSeparateProfileChallengeAllowed(mProfileChallengeUserId);
+    }
+
+    @Override
+    protected int getUserId() {
+        return mProfileChallengeUserId;
+    }
+}
diff --git a/src/com/android/settings/biometrics/combination/BiometricFingerprintStatusPreferenceController.java b/src/com/android/settings/biometrics/combination/BiometricFingerprintStatusPreferenceController.java
new file mode 100644
index 0000000..fd742ff
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/BiometricFingerprintStatusPreferenceController.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import android.content.Context;
+
+import com.android.settings.Utils;
+import com.android.settings.biometrics.fingerprint.FingerprintStatusPreferenceController;
+
+/**
+ * Preference controller for fingerprint settings within the biometrics settings page of work
+ * profile, that controls the ability to unlock the phone with fingerprint.
+ */
+public class BiometricFingerprintStatusPreferenceController extends
+        FingerprintStatusPreferenceController {
+
+    public BiometricFingerprintStatusPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    protected boolean isDeviceSupported() {
+        return Utils.hasFingerprintHardware(mContext);
+    }
+}
diff --git a/src/com/android/settings/biometrics/combination/BiometricSettingsAppPreferenceController.java b/src/com/android/settings/biometrics/combination/BiometricSettingsAppPreferenceController.java
new file mode 100644
index 0000000..9107e1b
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/BiometricSettingsAppPreferenceController.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import static android.provider.Settings.Secure.BIOMETRIC_APP_ENABLED;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.Context;
+import android.hardware.face.FaceManager;
+import android.hardware.fingerprint.FingerprintManager;
+import android.provider.Settings;
+
+import com.android.settings.Utils;
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
+import com.android.settingslib.RestrictedLockUtilsInternal;
+
+/**
+ * Preference controller that controls whether the biometrics authentication to be used in apps.
+ */
+public class BiometricSettingsAppPreferenceController extends TogglePreferenceController {
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int DEFAULT = ON;
+
+    private int mUserId;
+    private FaceManager mFaceManager;
+    private FingerprintManager mFingerprintManager;
+
+    public BiometricSettingsAppPreferenceController(Context context, String key) {
+        super(context, key);
+        mFaceManager = Utils.getFaceManagerOrNull(context);
+        mFingerprintManager = Utils.getFingerprintManagerOrNull(context);
+    }
+
+    protected EnforcedAdmin getRestrictingAdmin() {
+        return RestrictedLockUtilsInternal.checkIfKeyguardFeaturesDisabled(mContext,
+                DevicePolicyManager.KEYGUARD_DISABLE_BIOMETRICS, mUserId);
+    }
+
+    public void setUserId(int userId) {
+        mUserId = userId;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return Settings.Secure.getIntForUser(mContext.getContentResolver(), BIOMETRIC_APP_ENABLED,
+                DEFAULT, mUserId) == ON;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        return Settings.Secure.putIntForUser(mContext.getContentResolver(), BIOMETRIC_APP_ENABLED,
+                isChecked ? ON : OFF, mUserId);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (mFaceManager == null || mFingerprintManager == null) {
+            return AVAILABLE_UNSEARCHABLE;
+        }
+        // This preference will be available only if the user has registered either face auth
+        // or fingerprint.
+        final boolean hasFaceEnrolledUser = mFaceManager.hasEnrolledTemplates(mUserId);
+        final boolean hasFingerprintEnrolledUser =
+                mFingerprintManager.hasEnrolledTemplates(mUserId);
+        if (hasFaceEnrolledUser || hasFingerprintEnrolledUser) {
+            return AVAILABLE;
+        } else {
+            return AVAILABLE_UNSEARCHABLE;
+        }
+    }
+}
diff --git a/src/com/android/settings/biometrics/combination/BiometricSettingsKeyguardPreferenceController.java b/src/com/android/settings/biometrics/combination/BiometricSettingsKeyguardPreferenceController.java
new file mode 100644
index 0000000..263134a
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/BiometricSettingsKeyguardPreferenceController.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import static android.provider.Settings.Secure.BIOMETRIC_KEYGUARD_ENABLED;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.Context;
+import android.provider.Settings;
+
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.RestrictedLockUtilsInternal;
+
+/**
+ * Preference controller that controls whether the biometrics authentication to unlock the device.
+ */
+public class BiometricSettingsKeyguardPreferenceController extends TogglePreferenceController {
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int DEFAULT = ON;
+
+    private int mUserId;
+
+    public BiometricSettingsKeyguardPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    protected RestrictedLockUtils.EnforcedAdmin getRestrictingAdmin() {
+        return RestrictedLockUtilsInternal.checkIfKeyguardFeaturesDisabled(mContext,
+                DevicePolicyManager.KEYGUARD_DISABLE_BIOMETRICS, mUserId);
+    }
+
+    public void setUserId(int userId) {
+        mUserId = userId;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
+                BIOMETRIC_KEYGUARD_ENABLED, DEFAULT, mUserId) == ON;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        return Settings.Secure.putIntForUser(mContext.getContentResolver(),
+                BIOMETRIC_KEYGUARD_ENABLED, isChecked ? ON : OFF, mUserId);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return getRestrictingAdmin() != null ? DISABLED_FOR_USER : AVAILABLE;
+    }
+}
diff --git a/src/com/android/settings/biometrics/combination/CombinedBiometricProfileSettings.java b/src/com/android/settings/biometrics/combination/CombinedBiometricProfileSettings.java
new file mode 100644
index 0000000..f4d1c39
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/CombinedBiometricProfileSettings.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.content.Intent;
+import android.os.UserHandle;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+
+/**
+ * Settings screen for multiple biometrics used in work profile.
+ */
+public class CombinedBiometricProfileSettings extends DashboardFragment {
+    private static final String TAG = "BiometricProfileSetting";
+
+    private int mUserId;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        mUserId = getActivity().getIntent().getIntExtra(Intent.EXTRA_USER_ID,
+                UserHandle.myUserId());
+        use(BiometricSettingsAppPreferenceController.class).setUserId(mUserId);
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.security_settings_combined_biometric_profile;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.COMBINED_BIOMETRIC_PROFILE;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.security_settings_combined_biometric_profile);
+}
diff --git a/src/com/android/settings/biometrics/combination/CombinedBiometricProfileStatusPreferenceController.java b/src/com/android/settings/biometrics/combination/CombinedBiometricProfileStatusPreferenceController.java
new file mode 100644
index 0000000..e9cbcd8
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/CombinedBiometricProfileStatusPreferenceController.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import android.content.Context;
+import android.os.UserHandle;
+
+import com.android.settings.Settings;
+
+/**
+ * Preference controller for biometrics settings page of work profile, controlling the ability to
+ * unlock the phone with face and fingerprint.
+ */
+public class CombinedBiometricProfileStatusPreferenceController extends
+        CombinedBiometricStatusPreferenceController {
+
+    private static final String KEY_BIOMETRIC_SETTINGS = "biometric_settings_profile";
+
+    public CombinedBiometricProfileStatusPreferenceController(Context context) {
+        super(context, KEY_BIOMETRIC_SETTINGS);
+    }
+
+    public CombinedBiometricProfileStatusPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    protected boolean isUserSupported() {
+        return mProfileChallengeUserId != UserHandle.USER_NULL
+                && mLockPatternUtils.isSeparateProfileChallengeAllowed(mProfileChallengeUserId);
+    }
+
+    @Override
+    protected int getUserId() {
+        return mProfileChallengeUserId;
+    }
+
+    @Override
+    protected String getSettingsClassName() {
+        return Settings.CombinedBiometricProfileSettingsActivity.class.getName();
+    }
+
+    @Override
+    protected String getEnrollClassName() {
+        return Settings.CombinedBiometricProfileSettingsActivity.class.getName();
+    }
+}
diff --git a/src/com/android/settings/biometrics/combination/CombinedBiometricSettings.java b/src/com/android/settings/biometrics/combination/CombinedBiometricSettings.java
new file mode 100644
index 0000000..843d935
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/CombinedBiometricSettings.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.content.Intent;
+import android.os.UserHandle;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+/**
+ * Settings screen for multiple biometrics.
+ */
+@SearchIndexable
+public class CombinedBiometricSettings extends DashboardFragment {
+    private static final String TAG = "BiometricSettings";
+
+    private int mUserId;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        mUserId = getActivity().getIntent().getIntExtra(Intent.EXTRA_USER_ID,
+                UserHandle.myUserId());
+        use(BiometricSettingsKeyguardPreferenceController.class).setUserId(mUserId);
+        use(BiometricSettingsAppPreferenceController.class).setUserId(mUserId);
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.security_settings_combined_biometric;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.COMBINED_BIOMETRIC;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.security_settings_combined_biometric);
+}
diff --git a/src/com/android/settings/biometrics/combination/CombinedBiometricStatusPreferenceController.java b/src/com/android/settings/biometrics/combination/CombinedBiometricStatusPreferenceController.java
new file mode 100644
index 0000000..c3db174
--- /dev/null
+++ b/src/com/android/settings/biometrics/combination/CombinedBiometricStatusPreferenceController.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.combination;
+
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.Settings;
+import com.android.settings.Utils;
+import com.android.settings.biometrics.BiometricStatusPreferenceController;
+
+/**
+ * Preference controller for biometrics settings page controlling the ability to unlock the phone
+ * with face and fingerprint.
+ */
+public class CombinedBiometricStatusPreferenceController extends
+        BiometricStatusPreferenceController {
+    private static final String KEY_BIOMETRIC_SETTINGS = "biometric_settings";
+
+
+    public CombinedBiometricStatusPreferenceController(Context context) {
+        this(context, KEY_BIOMETRIC_SETTINGS);
+    }
+
+    public CombinedBiometricStatusPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    protected boolean isDeviceSupported() {
+        return Utils.hasFingerprintHardware(mContext) && Utils.hasFaceHardware(mContext);
+    }
+
+    @Override
+    protected boolean hasEnrolledBiometrics() {
+        return false;
+    }
+
+    @Override
+    protected String getSummaryTextEnrolled() {
+        return mContext.getString(R.string.security_settings_biometric_preference_summary);
+    }
+
+    @Override
+    protected String getSummaryTextNoneEnrolled() {
+        return mContext.getString(R.string.security_settings_biometric_preference_summary);
+    }
+
+    @Override
+    protected String getSettingsClassName() {
+        return Settings.CombinedBiometricSettingsActivity.class.getName();
+    }
+
+    @Override
+    protected String getEnrollClassName() {
+        return Settings.CombinedBiometricSettingsActivity.class.getName();
+    }
+}
diff --git a/src/com/android/settings/biometrics/face/FaceSettingsAppPreferenceController.java b/src/com/android/settings/biometrics/face/FaceSettingsAppPreferenceController.java
index bde146b..c296e56 100644
--- a/src/com/android/settings/biometrics/face/FaceSettingsAppPreferenceController.java
+++ b/src/com/android/settings/biometrics/face/FaceSettingsAppPreferenceController.java
@@ -78,6 +78,11 @@
 
     @Override
     public int getAvailabilityStatus() {
+        // When the device supports multiple biometrics auth, this preference will be hidden.
+        if (Utils.isMultipleBiometricsSupported(mContext)) {
+            return UNSUPPORTED_ON_DEVICE;
+        }
+
         if(mFaceManager == null){
             return AVAILABLE_UNSEARCHABLE;
         }
diff --git a/src/com/android/settings/biometrics/face/FaceSettingsKeyguardPreferenceController.java b/src/com/android/settings/biometrics/face/FaceSettingsKeyguardPreferenceController.java
index 8ee7ffd..342d786 100644
--- a/src/com/android/settings/biometrics/face/FaceSettingsKeyguardPreferenceController.java
+++ b/src/com/android/settings/biometrics/face/FaceSettingsKeyguardPreferenceController.java
@@ -70,7 +70,8 @@
 
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE;
+        // When the device supports multiple biometrics auth, this preference will be unavailable.
+        return Utils.isMultipleBiometricsSupported(mContext) ? UNSUPPORTED_ON_DEVICE : AVAILABLE;
     }
 
     @Override
diff --git a/src/com/android/settings/biometrics/face/FaceSettingsLockscreenBypassPreferenceController.java b/src/com/android/settings/biometrics/face/FaceSettingsLockscreenBypassPreferenceController.java
index 0a2757b..2f0ef4f 100644
--- a/src/com/android/settings/biometrics/face/FaceSettingsLockscreenBypassPreferenceController.java
+++ b/src/com/android/settings/biometrics/face/FaceSettingsLockscreenBypassPreferenceController.java
@@ -26,6 +26,7 @@
 import androidx.preference.Preference;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.settings.Utils;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import com.android.settingslib.RestrictedSwitchPreference;
 
@@ -82,6 +83,11 @@
 
     @Override
     public int getAvailabilityStatus() {
+        // When the device supports multiple biometrics auth, this preference will be shown
+        // in face unlock category.
+        if (Utils.isMultipleBiometricsSupported(mContext)) {
+            return AVAILABLE;
+        }
         if (mUserManager.isManagedProfile(UserHandle.myUserId())) {
             return UNSUPPORTED_ON_DEVICE;
         }
diff --git a/src/com/android/settings/biometrics/face/FaceStatusPreferenceController.java b/src/com/android/settings/biometrics/face/FaceStatusPreferenceController.java
index 94651d7..c2143c0 100644
--- a/src/com/android/settings/biometrics/face/FaceStatusPreferenceController.java
+++ b/src/com/android/settings/biometrics/face/FaceStatusPreferenceController.java
@@ -41,7 +41,7 @@
 
     @Override
     protected boolean isDeviceSupported() {
-        return FaceSettings.isFaceHardwareDetected(mContext);
+        return !Utils.isMultipleBiometricsSupported(mContext) && Utils.hasFaceHardware(mContext);
     }
 
     @Override
diff --git a/src/com/android/settings/biometrics/face/FaceUnlockCategoryPreferenceController.java b/src/com/android/settings/biometrics/face/FaceUnlockCategoryPreferenceController.java
new file mode 100644
index 0000000..d0debdf
--- /dev/null
+++ b/src/com/android/settings/biometrics/face/FaceUnlockCategoryPreferenceController.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics.face;
+
+import android.content.Context;
+
+import com.android.settings.Utils;
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Preference controller that controls the face unlock features to be shown / be hidden.
+ */
+public class FaceUnlockCategoryPreferenceController extends BasePreferenceController {
+
+    public FaceUnlockCategoryPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return Utils.isMultipleBiometricsSupported(mContext) ? UNSUPPORTED_ON_DEVICE : AVAILABLE;
+    }
+}
diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintStatusPreferenceController.java b/src/com/android/settings/biometrics/fingerprint/FingerprintStatusPreferenceController.java
index 0e1ccd7..e53dbc4 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintStatusPreferenceController.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintStatusPreferenceController.java
@@ -40,7 +40,8 @@
 
     @Override
     protected boolean isDeviceSupported() {
-        return mFingerprintManager != null && mFingerprintManager.isHardwareDetected();
+        return !Utils.isMultipleBiometricsSupported(mContext)
+                && Utils.hasFingerprintHardware(mContext);
     }
 
     @Override
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index a6305cb..01c613a 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -63,6 +63,8 @@
 import com.android.settings.backup.PrivacySettings;
 import com.android.settings.backup.ToggleBackupSettingFragment;
 import com.android.settings.backup.UserBackupSettingsActivity;
+import com.android.settings.biometrics.combination.CombinedBiometricProfileSettings;
+import com.android.settings.biometrics.combination.CombinedBiometricSettings;
 import com.android.settings.biometrics.face.FaceSettings;
 import com.android.settings.biometrics.fingerprint.FingerprintSettings;
 import com.android.settings.bluetooth.BluetoothDeviceDetailsFragment;
@@ -222,6 +224,8 @@
             AssistGestureSettings.class.getName(),
             FaceSettings.class.getName(),
             FingerprintSettings.FingerprintSettingsFragment.class.getName(),
+            CombinedBiometricSettings.class.getName(),
+            CombinedBiometricProfileSettings.class.getName(),
             SwipeToNotificationSettings.class.getName(),
             DoubleTapPowerSettings.class.getName(),
             DoubleTapScreenSettings.class.getName(),
diff --git a/src/com/android/settings/security/SecuritySettings.java b/src/com/android/settings/security/SecuritySettings.java
index 577144f..01cdba7 100644
--- a/src/com/android/settings/security/SecuritySettings.java
+++ b/src/com/android/settings/security/SecuritySettings.java
@@ -22,6 +22,8 @@
 import android.content.Intent;
 
 import com.android.settings.R;
+import com.android.settings.biometrics.combination.CombinedBiometricProfileStatusPreferenceController;
+import com.android.settings.biometrics.combination.CombinedBiometricStatusPreferenceController;
 import com.android.settings.biometrics.face.FaceProfileStatusPreferenceController;
 import com.android.settings.biometrics.face.FaceStatusPreferenceController;
 import com.android.settings.biometrics.fingerprint.FingerprintProfileStatusPreferenceController;
@@ -115,6 +117,7 @@
         final List<AbstractPreferenceController> securityPreferenceControllers = new ArrayList<>();
         securityPreferenceControllers.add(new FaceStatusPreferenceController(context));
         securityPreferenceControllers.add(new FingerprintStatusPreferenceController(context));
+        securityPreferenceControllers.add(new CombinedBiometricStatusPreferenceController(context));
         securityPreferenceControllers.add(new ChangeScreenLockPreferenceController(context, host));
         controllers.add(new PreferenceCategoryController(context, SECURITY_CATEGORY)
                 .setChildren(securityPreferenceControllers));
@@ -128,6 +131,8 @@
                 context, lifecycle));
         profileSecurityControllers.add(new FaceProfileStatusPreferenceController(context));
         profileSecurityControllers.add(new FingerprintProfileStatusPreferenceController(context));
+        profileSecurityControllers
+                .add(new CombinedBiometricProfileStatusPreferenceController(context));
         controllers.add(new PreferenceCategoryController(context, WORK_PROFILE_SECURITY_CATEGORY)
                 .setChildren(profileSecurityControllers));
         controllers.addAll(profileSecurityControllers);