ServiceInfo.java revision 365038217553e192d011861422715f8a87b30618 
1/*
2 * Copyright (C) 2007 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.content.pm;
18
19import android.os.Parcel;
20import android.os.Parcelable;
21import android.util.Printer;
22
23/**
24 * Information you can retrieve about a particular application
25 * service. This corresponds to information collected from the
26 * AndroidManifest.xml's <service> tags.
27 */
28public class ServiceInfo extends ComponentInfo
29        implements Parcelable {
30    /**
31     * Optional name of a permission required to be able to access this
32     * Service.  From the "permission" attribute.
33     */
34    public String permission;
35
36    /**
37     * Bit in {@link #flags}: If set, the service will automatically be
38     * stopped by the system if the user removes a task that is rooted
39     * in one of the application's activities.  Set from the
40     * {@link android.R.attr#stopWithTask} attribute.
41     */
42    public static final int FLAG_STOP_WITH_TASK = 0x0001;
43
44    /**
45     * Bit in {@link #flags}: If set, the service will run in its own
46     * isolated process.  Set from the
47     * {@link android.R.attr#isolatedProcess} attribute.
48     */
49    public static final int FLAG_ISOLATED_PROCESS = 0x0002;
50
51    /**
52     * Bit in {@link #flags}: If set,
53     * {@link android.app.Service#onProvideAssistData(android.os.Bundle)} will
54     * be called on the service when it is running in the foreground. Set from
55     * the android.R.attr#provideAssistData attribute.
56     */
57    public static final int FLAG_PROVIDE_ASSIST_DATA = 0x0004;
58
59    /**
60     * Bit in {@link #flags}: If set, a single instance of the service will
61     * run for all users on the device.  Set from the
62     * {@link android.R.attr#singleUser} attribute.
63     */
64    public static final int FLAG_SINGLE_USER = 0x40000000;
65
66    /**
67     * Options that have been set in the service declaration in the
68     * manifest.
69     * These include:
70     * {@link #FLAG_STOP_WITH_TASK}, {@link #FLAG_ISOLATED_PROCESS},
71     * {@link #FLAG_SINGLE_USER}.
72     */
73    public int flags;
74
75    public ServiceInfo() {
76    }
77
78    public ServiceInfo(ServiceInfo orig) {
79        super(orig);
80        permission = orig.permission;
81        flags = orig.flags;
82    }
83
84    public void dump(Printer pw, String prefix) {
85        super.dumpFront(pw, prefix);
86        pw.println(prefix + "permission=" + permission);
87        pw.println(prefix + "flags=0x" + Integer.toHexString(flags));
88    }
89
90    public String toString() {
91        return "ServiceInfo{"
92            + Integer.toHexString(System.identityHashCode(this))
93            + " " + name + "}";
94    }
95
96    public int describeContents() {
97        return 0;
98    }
99
100    public void writeToParcel(Parcel dest, int parcelableFlags) {
101        super.writeToParcel(dest, parcelableFlags);
102        dest.writeString(permission);
103        dest.writeInt(flags);
104    }
105
106    public static final Creator<ServiceInfo> CREATOR =
107        new Creator<ServiceInfo>() {
108        public ServiceInfo createFromParcel(Parcel source) {
109            return new ServiceInfo(source);
110        }
111        public ServiceInfo[] newArray(int size) {
112            return new ServiceInfo[size];
113        }
114    };
115
116    private ServiceInfo(Parcel source) {
117        super(source);
118        permission = source.readString();
119        flags = source.readInt();
120    }
121}
122