2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.deskclock;
19 import android.content.Context;
20 import android.os.PowerManager;
23 * Hold a wakelock that can be acquired in the AlarmReceiver and
24 * released in the AlarmAlert activity
26 class AlarmAlertWakeLock {
28 private static PowerManager.WakeLock sCpuWakeLock;
30 static void acquireCpuWakeLock(Context context) {
31 Log.v("Acquiring cpu wake lock");
32 if (sCpuWakeLock != null) {
37 (PowerManager) context.getSystemService(Context.POWER_SERVICE);
39 sCpuWakeLock = pm.newWakeLock(
40 PowerManager.PARTIAL_WAKE_LOCK |
41 PowerManager.ACQUIRE_CAUSES_WAKEUP |
42 PowerManager.ON_AFTER_RELEASE, Log.LOGTAG);
43 sCpuWakeLock.acquire();
46 static void releaseCpuLock() {
47 Log.v("Releasing cpu wake lock");
48 if (sCpuWakeLock != null) {
49 sCpuWakeLock.release();