ServiceCompat.java revision 1935ed3af7c6545bc38adfdc6026d87a3249222f 
1/*
2 * Copyright (C) 2011 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
17package android.support.v4.app;
18
19/**
20 * Helper for accessing newer features in Service.
21 */
22public class ServiceCompat {
23
24    private ServiceCompat() {
25        /* Hide constructor */
26    }
27
28    /**
29     * Constant to return from {@link android.app.Service#onStartCommand}: if this
30     * service's process is killed while it is started (after returning from
31     * {@link android.app.Service#onStartCommand}), then leave it in the started
32     * state but don't retain this delivered intent.  Later the system will try to
33     * re-create the service.  Because it is in the started state, it will
34     * guarantee to call {@link android.app.Service#onStartCommand} after creating
35     * the new service instance; if there are not any pending start commands to be
36     * delivered to the service, it will be called with a null intent
37     * object, so you must take care to check for this.
38     *
39     * <p>This mode makes sense for things that will be explicitly started
40     * and stopped to run for arbitrary periods of time, such as a service
41     * performing background music playback.
42     */
43    public static final int START_STICKY = 1;
44}
45