Build.java revision fe77ec8e0881963714b2464efad9514d921d089a
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.os; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Information about the current build, extracted from system properties. 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Build { 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Value used for when a build property is unknown. */ 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String UNKNOWN = "unknown"; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Either a changelist number, or a label like "M4-rc20". */ 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String ID = getString("ro.build.id"); 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** A build ID string meant for displaying to the user */ 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String DISPLAY = getString("ro.build.display.id"); 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The name of the overall product. */ 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String PRODUCT = getString("ro.product.name"); 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The name of the industrial design. */ 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String DEVICE = getString("ro.product.device"); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The name of the underlying board, like "goldfish". */ 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String BOARD = getString("ro.product.board"); 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41b181118b6e58c0014da4e9d52bf38548adc73a8aDianne Hackborn /** The name of the instruction set (CPU type + ABI convention) of native code. */ 42b181118b6e58c0014da4e9d52bf38548adc73a8aDianne Hackborn public static final String CPU_ABI = getString("ro.product.cpu.abi"); 43b181118b6e58c0014da4e9d52bf38548adc73a8aDianne Hackborn 44d62ad4f120e92fd597f44caf125ac853ac0ea11cDianne Hackborn /** The manufacturer of the product/hardware. */ 45d62ad4f120e92fd597f44caf125ac853ac0ea11cDianne Hackborn public static final String MANUFACTURER = getString("ro.product.manufacturer"); 46d62ad4f120e92fd597f44caf125ac853ac0ea11cDianne Hackborn 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The brand (e.g., carrier) the software is customized for, if any. */ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String BRAND = getString("ro.product.brand"); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The end-user-visible name for the end product. */ 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String MODEL = getString("ro.product.model"); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Various version strings. */ 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class VERSION { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The internal value used by the underlying source control to 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * represent this build. E.g., a perforce changelist number 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a git hash. 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String INCREMENTAL = getString("ro.build.version.incremental"); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user-visible version string. E.g., "1.0" or "3.4b5". 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String RELEASE = getString("ro.build.version.release"); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 68851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * The user-visible SDK version of the framework in its raw String 69851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * representation; use {@link #SDK_INT} instead. 70851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * 71851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * @deprecated Use {@link #SDK_INT} to easily get this as an integer. 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String SDK = getString("ro.build.version.sdk"); 74851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn 75851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn /** 76851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * The user-visible SDK version of the framework; its possible 77851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * values are defined in {@link Build.VERSION_CODES}. 78851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn */ 79851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn public static final int SDK_INT = SystemProperties.getInt( 80851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn "ro.build.version.sdk", 0); 81851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn 82851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn /** 83851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * The current development codename, or the string "REL" if this is 84851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * a release build. 85851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn */ 86851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn public static final String CODENAME = getString("ro.build.version.codename"); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 89851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn /** 90851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * Enumeration of the currently known SDK version codes. These are the 91851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * values that can be found in {@link VERSION#SDK}. Version numbers 92851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * increment monotonically with each official platform release. 93851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn */ 94851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn public static class VERSION_CODES { 95851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn /** 96a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * Magic version number for a current development build, which has 97a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * not yet turned into an official release. 98a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn */ 99a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn public static final int CUR_DEVELOPMENT = 10000; 100a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn 101a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn /** 102851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * October 2008: The original, first, version of Android. Yay! 103851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn */ 104851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn public static final int BASE = 1; 105851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn /** 106851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * February 2009: First Android update, officially called 1.1. 107851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn */ 108851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn public static final int BASE_1_1 = 2; 109851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn /** 110851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn * May 2009: Android 1.5. 111851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn */ 112851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn public static final int CUPCAKE = 3; 113a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn /** 114a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * Current work on "Donut" development branch. 115a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * 116a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * <p>Applications targeting this or a later release will get these 117a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * new changes in behavior:</p> 118a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * <ul> 119a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * <li> They must explicitly request the 1205a3a77dabd744d5be79d7745c2a977c108a9ad98San Mehat * {@link android.Manifest.permission#WRITE_EXTERNAL_STORAGE} permission to be 121a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * able to modify the contents of the SD card. (Apps targeting 122a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * earlier versions will always request the permission.) 123fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * <li> They must explicitly request the 124fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * {@link android.Manifest.permission#READ_PHONE_STATE} permission to be 125fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * able to be able to retrieve phone state info. (Apps targeting 126fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * earlier versions will always request the permission.) 127fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * <li> They are assumed to support different screen densities and 128fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * sizes. (Apps targeting earlier versions are assumed to only support 129fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * medium density normal size screens unless otherwise indicated). 130fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * They can still explicitly specify screen support either way with the 131fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn * supports-screens manifest tag. 132a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn * </ul> 133a96cbb435d7b2197ab2b61fd98d14cbd6e0c5c3dDianne Hackborn */ 134fe77ec8e0881963714b2464efad9514d921d089aDianne Hackborn public static final int DONUT = 4; 135851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn } 136851a54143c15a1c33361efae2db3f7f45059b472Dianne Hackborn 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The type of build, like "user" or "eng". */ 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String TYPE = getString("ro.build.type"); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Comma-separated tags describing the build, like "unsigned,debug". */ 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String TAGS = getString("ro.build.tags"); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** A string that uniquely identifies this build. Do not attempt to parse this value. */ 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String FINGERPRINT = getString("ro.build.fingerprint"); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The following properties only make sense for internal engineering builds. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final long TIME = getLong("ro.build.date.utc") * 1000; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String USER = getString("ro.build.user"); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String HOST = getString("ro.build.host"); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static String getString(String property) { 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SystemProperties.get(property, UNKNOWN); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static long getLong(String property) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Long.parseLong(SystemProperties.get(property)); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (NumberFormatException e) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 163