前序
最近需要在服务器上用Jenkins自动打包Android app，从google官网上下载的Linux版本sdk结果发现里面就只有一个tools目录有文件，其他的都没有。。。
无奈，服务器是没有界面的，之前都习惯用IDE去安装更新，现在尝试用命令行下载更新了。
下载Android SDK for Linux
从google的官网下载最新Linux版本SDK，由于dl.google.com域名一直没有被墙，所以才可以直接从官网下了。这点不错~
$ wget https://dl.google.com/android/android-sdk_r24.4.1-linux.tgz
解压
$ tar zxvf android-sdk_r24.4.1-linux.tgz更新Android SDK
前面说到了，我们下载的这个包其实只有tools目录下才有东西。既然google给了我们这个，表示这里面肯定有可以更新SDK的工具啦。
其实就是tools/android这个文件
$ cd android-sdk-linux/tools
查看命令帮助
$ ./android --help
Usage:
android [global options] action [action options]
Global options:
-s --silent : Silent mode, shows errors only.
-v --verbose : Verbose mode, shows errors, warnings and all messages.
--clear-cache: Clear the SDK Manager repository manifest cache.
-h --help : Help on a specific command.
Valid
actions
are
composed
of a verb
and an
optional
direct
object:
- sdk : Displays the SDK Manager window.
- avd : Displays the AVD Manager window.
- list : Lists existing targets or virtual devices.
- list avd : Lists existing Android Virtual Devices.
- list target : Lists existing targets.
- list device : Lists existing devices.
- list sdk : Lists remote SDK repository.
- create avd : Creates a new Android Virtual Device.
- move avd : Moves or renames an Android Virtual Device.
- delete avd : Deletes an Android Virtual Device.
- update avd : Updates an Android Virtual Device to match the folders
of a new SDK.
- create project : Creates a new Android project.
- update project : Updates an Android project (must already have an
AndroidManifest.xml).
- create test-project : Creates a new Android project for a test package.
- update test-project : Updates the Android project for a test package (must
already have an AndroidManifest.xml).
- create lib-project : Creates a new Android library project.
- update lib-project : Updates an Android library project (must already have
an AndroidManifest.xml).
- create uitest-project: Creates a new UI test project.
- update adb : Updates adb to support the USB devices declared in the
SDK add-ons.
- update sdk : Updates the SDK by suggesting new platforms to install
if available.我们需要关注 list 和 update 。
查看当前可安装的SDK版本
$ ./android list sdk
Refresh Sources:
Fetching https://dl.google.com/android/repository/addons_list-2.xml
Validate XML
Parse XML
Fetched Add-ons List successfully
Refresh Sources
Fetching URL: https://dl.google.com/android/repository/repository-11.xml
Validate XML: https://dl.google.com/android/repository/repository-11.xml
Parse XML: https://dl.google.com/android/repository/repository-11.xml
Fetching URL: https://dl.google.com/android/repository/addon.xml
Validate XML: https://dl.google.com/android/repository/addon.xml
Parse XML: https://dl.google.com/android/repository/addon.xml
Fetching URL: https://dl.google.com/android/repository/glass/addon.xml
Validate XML: https://dl.google.com/android/repository/glass/addon.xml
Parse XML: https://dl.google.com/android/repository/glass/addon.xml
Fetching URL: https://dl.google.com/android/repository/extras/intel/addon.xml
Validate XML: https://dl.google.com/android/repository/extras/intel/addon.xml
Parse XML: https://dl.google.com/android/repository/extras/intel/addon.xml
Fetching URL: https://dl.google.com/android/repository/sys-img/android/sys-img.xml
Validate XML: https://dl.google.com/android/repository/sys-img/android/sys-img.xml
Parse XML: https://dl.google.com/android/repository/sys-img/android/sys-img.xml
Fetching URL: https://dl.google.com/android/repository/sys-img/android-wear/sys-img.xml
Validate XML: https://dl.google.com/android/repository/sys-img/android-wear/sys-img.xml
Parse XML: https://dl.google.com/android/repository/sys-img/android-wear/sys-img.xml
Fetching URL: https://dl.google.com/android/repository/sys-img/android-tv/sys-img.xml
Validate XML: https://dl.google.com/android/repository/sys-img/android-tv/sys-img.xml
Parse XML: https://dl.google.com/android/repository/sys-img/android-tv/sys-img.xml
Fetching URL: https://dl.google.com/android/repository/sys-img/google_apis/sys-img.xml
Validate XML: https://dl.google.com/android/repository/sys-img/google_apis/sys-img.xml
Parse XML: https://dl.google.com/android/repository/sys-img/google_apis/sys-img.xml
Packages available for installation or update: 41
1- Android SDK Tools, revision 25.2.2
2- Android SDK Platform-tools, revision 24.0.4
3- Android SDK Build-tools, revision 24.0.3
4- Documentation for Android SDK, API 24, revision 1
5- SDK Platform Android 7.0, API 24, revision 2
6- SDK Platform Android 6.0, API 23, revision 3
7- SDK Platform Android 5.1.1, API 22, revision 2
8- SDK Platform Android 5.0.1, API 21, revision 2
9- SDK Platform Android 4.4W.2, API 20, revision 2
10- SDK Platform Android 4.4.2, API 19, revision 4
11- SDK Platform Android 4.3.1, API 18, revision 3
12- SDK Platform Android 4.2.2, API 17, revision 3
13- SDK Platform Android 4.1.2, API 16, revision 5
14- SDK Platform Android 4.0.3, API 15, revision 5
15- SDK Platform Android 4.0, API 14, revision 4
16- SDK Platform Android 3.2, API 13, revision 1
17- SDK Platform Android 3.1, API 12, revision 3
18- SDK Platform Android 3.0, API 11, revision 2
19- SDK Platform Android 2.3.3, API 10, revision 2
20- SDK Platform Android 2.3.1, API 9, revision 2
21- SDK Platform Android 2.2, API 8, revision 3
22- SDK Platform Android 2.1, API 7, revision 3
23- Google APIs, Android API 24, revision 1
24- Google APIs, Android API 23, revision 1
25- Google APIs, Android API 22, revision 1
26- Google APIs, Android API 21, revision 1
27- Google APIs, Android API 19, revision 20
28- Glass Development Kit Preview, Android API 19, revision 11
29- Google APIs, Android API 18, revision 4
30- Google APIs, Android API 17, revision 4
31- Google APIs, Android API 16, revision 4
32- Google APIs, Android API 15, revision 3
33- Android Support Repository, revision 38
34- Android Auto Desktop Head Unit emulator, revision 1.1
35- Google Play services, revision 33
36- Google Repository, revision 36
37- Google Play APK Expansion library, revision 1
38- Google Play Licensing Library, revision 1
39- Google Play Billing Library, revision 5
40- Android Auto API Simulators, revision 1
41- Google Web Driver, revision 2因为是首次安装，所有有非常多的版本可下载。
我们可以有2个选择：
- 安装所有版本的SDK
- 只安装我们需要SDK版本
因为是在服务器上，建议直接安装所有版本的吧，不然后续可能有些app需要这个版本，又有的需要那个版本。还不如一开始就全部安装好。
更新命令
根据上面的工具使用帮助，可以看到更新命令是使用update sdk，
但是这个命令又是如何使用的呢？查看帮助
$ ./android update sdk --help
Usage:
android [global options] update sdk [action options]
Global options:
-s --silent : Silent mode, shows errors only.
-v --verbose : Verbose mode, shows errors, warnings and all messages.
--clear-cache: Clear the SDK Manager repository manifest cache.
-h --help : Help on a specific command.
Action "update sdk":
Updates the SDK by suggesting new platforms to install if available.
Options:
-f --force : Forces replacement of a package or its parts, even if
something has been modified.
-n --dry-mode : Simulates the update but does not download or install
anything.
--proxy-host: HTTP/HTTPS proxy host (overrides settings if defined)
-s --no-https : Uses HTTP instead of HTTPS (the default) for downloads.
-t --filter : A filter that limits the update to the specified types of
packages in the form of a comma-separated list of
[platform, system-image, tool, platform-tool, doc, sample,
source]. This also accepts the identifiers returned by
'list sdk --extended'.
-u --no-ui : Updates from command-line (does not display the GUI)
--proxy-port: HTTP/HTTPS proxy port (overrides settings if defined)
-p --obsolete : Deprecated. Please use --all instead.
-a --all : Includes all packages (such as obsolete and non-dependent
ones.)在这里，重点关注-u和-t参数就好。
-u --no-ui 表示在命令行环境下使用，刚好符合我们服务器环境
-t --filter 表示过滤，只安装指定版本的sdk 好了，我们现在就开始更新吧
首先下载更新全部可安装的SDK版本，不指定过滤即可
$ ./android update sdk -u经过漫长时间的等待基本都安装好了。。
如果只需要安装指定版本的话，就需要过滤了，如何过滤呢？我们上面已经介绍查看可安装更新sdk版本命令list sdk了。根据查看到的序号过滤即可。
只安装指定序号的版本
$ ./android update sdk -u -t 序号
如：安装Build-tools, revision 24.0.3
$ ./android update sdk -u -t 3
需要同意license，输入 y 回车即可安装后可跳转到上一级目录查看是否已经有了。
$ cd ..
$ ls
add-ons build-tools platforms SDK Readme.txt temp tools
$ cd build-tools
$ ls
24.0.3可以看到安装成功了。
总结
通过这些我们也可以推测出其实那些IDE图形界面底层调用的也是这些命令吧。。
作者：lusyoe 发表于2016/10/15 10:28:27 原文链接
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