/*
* 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.
*/
@Deprecated
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;
/**
* September 2009: Android 1.6.
*
* <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;
/**
* November 2009: Android 2.0
*
* <p>Applications targeting this or a later release will get these
* new changes in behavior:</p>
* <ul>
* <li> The {@link android.app.Service#onStartCommand
* Service.onStartCommand} function will return the new
* {@link android.app.Service#START_STICKY} behavior instead of the
* old compatibility {@link android.app.Service#START_STICKY_COMPATIBILITY}.
* <li> The {@link android.app.Activity} class will now execute back
* key presses on the key up instead of key down, to be able to detect
* canceled presses from virtual keys.
* <li> The {@link android.widget.TabWidget} class will use a new color scheme
* for tabs. In the new scheme, the foreground tab has a medium gray background
* the background tabs have a dark gray background.
* </ul>
*/
public static final int ECLAIR = 5;
/**
* Current work on Eclair MR1.
*/
public static final int ECLAIR_MR1 = 6;
}
/** 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;
}
}
}