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.app.admin.DevicePolicyManager; 20 import android.os.Bundle; 21 import android.os.UserHandle; 22 23 import androidx.annotation.Nullable; 24 import androidx.fragment.app.Fragment; 25 26 import com.android.car.settings.R; 27 import com.android.car.settings.common.BaseCarSettingsActivity; 28 import com.android.car.settings.common.Logger; 29 import com.android.internal.widget.LockPatternUtils; 30 31 /** 32 * Activity for setting screen locks 33 */ 34 public class SettingsScreenLockActivity extends BaseCarSettingsActivity implements 35 CheckLockListener { 36 37 private static final Logger LOG = new Logger(SettingsScreenLockActivity.class); 38 39 private int mPasswordQuality; 40 41 @Override 42 @Nullable getInitialFragment()43 protected Fragment getInitialFragment() { 44 mPasswordQuality = new LockPatternUtils(this).getKeyguardStoredPasswordQuality( 45 UserHandle.myUserId()); 46 47 Fragment fragment; 48 switch (mPasswordQuality) { 49 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 50 fragment = new ChooseLockTypeFragment(); 51 break; 52 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 53 fragment = new ConfirmLockPatternFragment(); 54 break; 55 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 56 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 57 fragment = ConfirmLockPinPasswordFragment.newPinInstance(); 58 break; 59 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 60 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 61 fragment = ConfirmLockPinPasswordFragment.newPasswordInstance(); 62 break; 63 default: 64 LOG.e("Unexpected password quality: " + String.valueOf(mPasswordQuality)); 65 fragment = ConfirmLockPinPasswordFragment.newPasswordInstance(); 66 } 67 68 Bundle bundle = fragment.getArguments(); 69 if (bundle == null) { 70 bundle = new Bundle(); 71 } 72 bundle.putInt(ChooseLockTypeFragment.EXTRA_CURRENT_PASSWORD_QUALITY, mPasswordQuality); 73 fragment.setArguments(bundle); 74 return fragment; 75 } 76 77 @Override onLockVerified(byte[] lock)78 public void onLockVerified(byte[] lock) { 79 Fragment fragment = new ChooseLockTypeFragment(); 80 Bundle bundle = fragment.getArguments(); 81 if (bundle == null) { 82 bundle = new Bundle(); 83 } 84 bundle.putByteArray(PasswordHelper.EXTRA_CURRENT_SCREEN_LOCK, lock); 85 bundle.putInt(ChooseLockTypeFragment.EXTRA_CURRENT_PASSWORD_QUALITY, mPasswordQuality); 86 fragment.setArguments(bundle); 87 88 // Intentionally not using launchFragment(), since we do not want to add to the back stack. 89 getSupportFragmentManager() 90 .beginTransaction() 91 .replace(R.id.fragment_container, fragment) 92 .commit(); 93 } 94 } 95