1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.settings.biometrics.combination; 17 18 import static android.provider.Settings.Secure.BIOMETRIC_KEYGUARD_ENABLED; 19 20 import android.app.admin.DevicePolicyManager; 21 import android.content.Context; 22 import android.provider.Settings; 23 24 import com.android.settings.Utils; 25 import com.android.settings.core.TogglePreferenceController; 26 import com.android.settingslib.RestrictedLockUtils; 27 import com.android.settingslib.RestrictedLockUtilsInternal; 28 29 /** 30 * Preference controller that controls whether the biometrics authentication to unlock the device. 31 */ 32 public class BiometricSettingsKeyguardPreferenceController extends TogglePreferenceController { 33 private static final int ON = 1; 34 private static final int OFF = 0; 35 private static final int DEFAULT = ON; 36 37 private int mUserId; 38 BiometricSettingsKeyguardPreferenceController(Context context, String key)39 public BiometricSettingsKeyguardPreferenceController(Context context, String key) { 40 super(context, key); 41 } 42 getRestrictingAdmin()43 protected RestrictedLockUtils.EnforcedAdmin getRestrictingAdmin() { 44 return RestrictedLockUtilsInternal.checkIfKeyguardFeaturesDisabled(mContext, 45 DevicePolicyManager.KEYGUARD_DISABLE_BIOMETRICS, mUserId); 46 } 47 setUserId(int userId)48 public void setUserId(int userId) { 49 mUserId = userId; 50 } 51 52 @Override isChecked()53 public boolean isChecked() { 54 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 55 BIOMETRIC_KEYGUARD_ENABLED, DEFAULT, mUserId) == ON; 56 } 57 58 @Override setChecked(boolean isChecked)59 public boolean setChecked(boolean isChecked) { 60 return Settings.Secure.putIntForUser(mContext.getContentResolver(), 61 BIOMETRIC_KEYGUARD_ENABLED, isChecked ? ON : OFF, mUserId); 62 } 63 64 @Override getAvailabilityStatus()65 public int getAvailabilityStatus() { 66 if (!Utils.isMultipleBiometricsSupported(mContext)) { 67 return UNSUPPORTED_ON_DEVICE; 68 } 69 return getRestrictingAdmin() != null ? DISABLED_FOR_USER : AVAILABLE; 70 } 71 72 @Override isSliceable()73 public final boolean isSliceable() { 74 return false; 75 } 76 77 @Override getSliceHighlightMenuRes()78 public int getSliceHighlightMenuRes() { 79 // not needed since it's not sliceable 80 return NO_RES; 81 } 82 } 83