| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.development; |
| |
| import android.content.Context; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.service.persistentdata.PersistentDataBlockManager; |
| import android.util.Log; |
| |
| public class OemUnlockUtils { |
| private static final String TAG = "OemUnlockUtils"; |
| |
| /** |
| * Returns whether or not this device is able to be OEM unlocked. |
| */ |
| static boolean isOemUnlockEnabled(Context context) { |
| PersistentDataBlockManager manager = (PersistentDataBlockManager) |
| context.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); |
| return manager.getOemUnlockEnabled(); |
| } |
| |
| /** |
| * Allows enabling or disabling OEM unlock on this device. OEM unlocked |
| * devices allow users to flash other OSes to them. |
| */ |
| static void setOemUnlockEnabled(Context context, boolean enabled) { |
| try { |
| PersistentDataBlockManager manager = (PersistentDataBlockManager) |
| context.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); |
| manager.setOemUnlockEnabled(enabled); |
| } catch (SecurityException e) { |
| Log.e(TAG, "Fail to set oem unlock.", e); |
| } |
| } |
| |
| /** |
| * Returns {@code true} if OEM unlock is disallowed by user restriction |
| * {@link UserManager#DISALLOW_FACTORY_RESET} or {@link UserManager#DISALLOW_OEM_UNLOCK}. |
| * Otherwise, returns {@code false}. |
| */ |
| static boolean isOemUnlockAllowed(UserManager um) { |
| final UserHandle userHandle = UserHandle.of(UserHandle.myUserId()); |
| return !(um.hasBaseUserRestriction(UserManager.DISALLOW_OEM_UNLOCK, userHandle) |
| || um.hasBaseUserRestriction(UserManager.DISALLOW_FACTORY_RESET, userHandle)); |
| } |
| } |