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.car.settings.security; 18 19 import android.os.Bundle; 20 21 import androidx.annotation.XmlRes; 22 import androidx.preference.Preference; 23 import androidx.preference.PreferenceScreen; 24 25 import com.android.car.settings.R; 26 import com.android.car.settings.common.SettingsFragment; 27 import com.android.internal.widget.LockscreenCredential; 28 29 30 /** 31 * Give user choices of lock screen type: Pin/Pattern/Password or None. 32 */ 33 public class ChooseLockTypeFragment extends SettingsFragment { 34 35 private LockscreenCredential mLockscreenCredential; 36 37 @Override 38 @XmlRes getPreferenceScreenResId()39 protected int getPreferenceScreenResId() { 40 return R.xml.choose_lock_type_fragment; 41 } 42 43 /** 44 * Pass along password and password quality to preference controllers 45 */ 46 @Override onCreate(Bundle savedInstanceState)47 public void onCreate(Bundle savedInstanceState) { 48 super.onCreate(savedInstanceState); 49 Bundle args = getArguments(); 50 if (args != null) { 51 mLockscreenCredential = args.getParcelable(PasswordHelper.EXTRA_CURRENT_SCREEN_LOCK); 52 int passwordQuality = args.getInt(PasswordHelper.EXTRA_CURRENT_PASSWORD_QUALITY); 53 54 PreferenceScreen preferenceScreen = getPreferenceScreen(); 55 int preferenceCount = preferenceScreen.getPreferenceCount(); 56 for (int i = 0; i < preferenceCount; i++) { 57 Preference preference = preferenceScreen.getPreference(i); 58 preference.getExtras().putParcelable( 59 PasswordHelper.EXTRA_CURRENT_SCREEN_LOCK, mLockscreenCredential); 60 preference.getExtras().putInt( 61 PasswordHelper.EXTRA_CURRENT_PASSWORD_QUALITY, passwordQuality); 62 } 63 } 64 } 65 66 @Override onDestroyView()67 public void onDestroyView() { 68 super.onDestroyView(); 69 70 PasswordHelper.zeroizeCredentials(mLockscreenCredential); 71 } 72 } 73