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/*
* 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 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. It is an integer starting at 1.
*/
public static final String SDK = getString("ro.build.version.sdk");
}
/** 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;
}
}
}
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