1 /* 2 * Copyright (C) 2018 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 17 package com.android.settings.security.screenlock; 18 19 import android.content.Context; 20 import android.os.UserHandle; 21 22 import androidx.preference.Preference; 23 import androidx.preference.PreferenceScreen; 24 25 import com.android.internal.widget.LockPatternUtils; 26 import com.android.settings.core.BasePreferenceController; 27 import com.android.settings.notification.LockScreenNotificationPreferenceController; 28 import com.android.settings.overlay.FeatureFactory; 29 import com.android.settingslib.core.lifecycle.LifecycleObserver; 30 import com.android.settingslib.core.lifecycle.events.OnResume; 31 32 public class LockScreenPreferenceController extends BasePreferenceController implements 33 LifecycleObserver, OnResume { 34 35 private static final int MY_USER_ID = UserHandle.myUserId(); 36 private final LockPatternUtils mLockPatternUtils; 37 private Preference mPreference; 38 LockScreenPreferenceController(Context context, String key)39 public LockScreenPreferenceController(Context context, String key) { 40 super(context, key); 41 mLockPatternUtils = FeatureFactory.getFactory(context) 42 .getSecurityFeatureProvider().getLockPatternUtils(context); 43 } 44 45 @Override displayPreference(PreferenceScreen screen)46 public void displayPreference(PreferenceScreen screen) { 47 super.displayPreference(screen); 48 mPreference = screen.findPreference(getPreferenceKey()); 49 } 50 51 @Override getAvailabilityStatus()52 public int getAvailabilityStatus() { 53 return AVAILABLE; 54 } 55 56 @Override updateState(Preference preference)57 public void updateState(Preference preference) { 58 preference.setSummary( 59 LockScreenNotificationPreferenceController.getSummaryResource(mContext)); 60 } 61 62 @Override onResume()63 public void onResume() { 64 mPreference.setVisible(isAvailable()); 65 } 66 } 67