1 /* 2 * Copyright (C) 2016 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.systemui.statusbar.policy; 18 19 import android.sysprop.VoldProperties; 20 21 /** 22 * Helper for determining whether the phone is decrypted yet. 23 */ 24 public class EncryptionHelper { 25 26 public static final boolean IS_DATA_ENCRYPTED = isDataEncrypted(); 27 isDataEncrypted()28 private static boolean isDataEncrypted() { 29 String voldState = VoldProperties.decrypt().orElse(""); 30 return "1".equals(voldState) || "trigger_restart_min_framework".equals(voldState); 31 } 32 } 33