1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
* Copyright (C) 2007 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 android.os;
/**
* Information about the current build, extracted from system properties.
*/
public class Build {
/** Value used for when a build property is unknown. */
private static final String UNKNOWN = "unknown";
/** Either a changelist number, or a label like "M4-rc20". */
public static final String ID = getString("ro.build.id");
/** A build ID string meant for displaying to the user */
public static final String DISPLAY = getString("ro.build.display.id");
/** The name of the overall product. */
public static final String PRODUCT = getString("ro.product.name");
/** The name of the industrial design. */
public static final String DEVICE = getString("ro.product.device");
/** The name of the underlying board, like "goldfish". */
public static final String BOARD = getString("ro.product.board");
/** The name of the instruction set (CPU type + ABI convention) of native code. */
public static final String CPU_ABI = getString("ro.product.cpu.abi");
/** The manufacturer of the product/hardware. */
public static final String MANUFACTURER = getString("ro.product.manufacturer");
/** The brand (e.g., carrier) the software is customized for, if any. */
public static final String BRAND = getString("ro.product.brand");
/** The end-user-visible name for the end product. */
public static final String MODEL = getString("ro.product.model");
/** Various version strings. */
public static class VERSION {
/**
* The internal value used by the underlying source control to
* represent this build. E.g., a perforce changelist number
* or a git hash.
*/
public static final String INCREMENTAL = getString("ro.build.version.incremental");
/**
* The user-visible version string. E.g., "1.0" or "3.4b5".
*/
public static final String RELEASE = getString("ro.build.version.release");
/**
* The user-visible SDK version of the framework in its raw String
* representation; use {@link #SDK_INT} instead.
*
* @deprecated Use {@link #SDK_INT} to easily get this as an integer.
*/
public static final String SDK = getString("ro.build.version.sdk");
/**
* The user-visible SDK version of the framework; its possible
* values are defined in {@link Build.VERSION_CODES}.
*/
public static final int SDK_INT = SystemProperties.getInt(
"ro.build.version.sdk", 0);
/**
* The current development codename, or the string "REL" if this is
* a release build.
*/
public static final String CODENAME = getString("ro.build.version.codename");
}
/**
* Enumeration of the currently known SDK version codes. These are the
* values that can be found in {@link VERSION#SDK}. Version numbers
* increment monotonically with each official platform release.
*/
public static class VERSION_CODES {
/**
* Magic version number for a current development build, which has
* not yet turned into an official release.
*/
public static final int CUR_DEVELOPMENT = 10000;
/**
* October 2008: The original, first, version of Android. Yay!
*/
public static final int BASE = 1;
/**
* February 2009: First Android update, officially called 1.1.
*/
public static final int BASE_1_1 = 2;
/**
* May 2009: Android 1.5.
*/
public static final int CUPCAKE = 3;
/**
* Current work on "Donut" development branch.
*
* <p>Applications targeting this or a later release will get these
* new changes in behavior:</p>
* <ul>
* <li> They must explicitly request the
* {@link android.Manifest.permission#WRITE_EXTERNAL_STORAGE} permission to be
* able to modify the contents of the SD card. (Apps targeting
* earlier versions will always request the permission.)
* <li> They must explicitly request the
* {@link android.Manifest.permission#READ_PHONE_STATE} permission to be
* able to be able to retrieve phone state info. (Apps targeting
* earlier versions will always request the permission.)
* <li> They are assumed to support different screen densities and
* sizes. (Apps targeting earlier versions are assumed to only support
* medium density normal size screens unless otherwise indicated).
* They can still explicitly specify screen support either way with the
* supports-screens manifest tag.
* </ul>
*/
public static final int DONUT = 4;
}
/** The type of build, like "user" or "eng". */
public static final String TYPE = getString("ro.build.type");
/** Comma-separated tags describing the build, like "unsigned,debug". */
public static final String TAGS = getString("ro.build.tags");
/** A string that uniquely identifies this build. Do not attempt to parse this value. */
public static final String FINGERPRINT = getString("ro.build.fingerprint");
// The following properties only make sense for internal engineering builds.
public static final long TIME = getLong("ro.build.date.utc") * 1000;
public static final String USER = getString("ro.build.user");
public static final String HOST = getString("ro.build.host");
private static String getString(String property) {
return SystemProperties.get(property, UNKNOWN);
}
private static long getLong(String property) {
try {
return Long.parseLong(SystemProperties.get(property));
} catch (NumberFormatException e) {
return -1;
}
}
}
|
