【Android】-- adb shell 命令探索

ADB是什么，做android开发的没有不知道的。

window下执行cmd，输入adb help就会打印adb都可以做的事情，包含 adb push 。。adb pull 。。 adb devices adb install。。。等等。。而且一搜一大把。

当中有一个命令叫做 adb shell，android是基于linux的，shell模式下linux的命令但是很多的，android去掉了很多linux的命令，那么从这写命令里面又可以发现什么宝藏呢？寻宝之旅开启！！

首先linux的shell模式有很多命令，比如 ls cd mkdir su ps vim等等很多控制命令，这些在android上都是支持的。可是它是android的内核啊，应该有些特殊点的吧。

通过命令cd /system/bin 进入bin文件夹查看一下。

# cd /system/bincd /system/bin# lslsBlobCache_testInputChannel_testInputDispatcher_testInputEvent_testInputPublisherAndConsInputReader_testLooper_testObbFile_testString8_testUnicode_testZipFileRO_testadbamapp_processapplypatchapplypatch_staticashaudioloopbmgrbootanimationbubugreportcatcheck_prereqchmodchowncmpdalvikvmdatedddebuggerddecoderdexoptdfdhcpcddmesgdumpstatedumpsysflash_imagefsck_msdosgdbjithelpergdbservergeteventgetpropgziphdidifconfigiftopimeinputinsmodinstalldioctlioniceip6tablesiptableskeystorekeystore_clikilllinkerlnloglogcatlogwrapperlslsmodlsofmediaservermkdirmonkeymountmtpdmvnandreadndcnetcfgnetdnetstatnewfs_msdosnotifyomx_testspingping6pmpppdprintenvpsqemu-propsqemudrracoonradiooptionsrebootrecordrecordvideorecoveryrenicerildrmrmdirrmmodrouterun-asschedtestschedtopscreencapscreenshotsdcardsendeventsensorserviceserviceservicemanagersetconsolesetpropsf2shshowleasesimg2imgskia_testsleepsmdstagefrightstartstopstreamsurfaceflingersvcsyncsystem_servertestid3toolboxtoptouchumountupdateruptimevdcvmstatvoldwatchpropswipe#

噢 my god 命令还是非常多的嘛！

我们一般能够通过命令 -h 来查看介绍，比如：

# am -ham -husage: am [subcommand] [options]usage: am start [-D] [-W] [-P <FILE>] [--start-profiler <FILE>]               [--R COUNT] [-S] <INTENT>       am startservice <INTENT>       am force-stop <PACKAGE>       am kill <PACKAGE>       am kill-all       am broadcast <INTENT>       am instrument [-r] [-e <NAME> <VALUE>] [-p <FILE>] [-w]               [--no-window-animation] <COMPONENT>       am profile [looper] start <PROCESS> <FILE>       am profile [looper] stop [<PROCESS>]       am dumpheap [flags] <PROCESS> <FILE>       am set-debug-app [-w] [--persistent] <PACKAGE>       am clear-debug-app       am monitor [--gdb <port>]       am screen-compat [on|off] <PACKAGE>       am display-size [reset|MxN]       am to-uri [INTENT]       am to-intent-uri [INTENT]am start: start an Activity.  Options are:    -D: enable debugging    -W: wait for launch to complete    --start-profiler <FILE>: start profiler and send results to <FILE>    -P <FILE>: like above, but profiling stops when app goes idle    -R: repeat the activity launch <COUNT> times.  Prior to each repeat,        the top activity will be finished.    -S: force stop the target app before starting the activityam startservice: start a Service.am force-stop: force stop everything associated with <PACKAGE>.am kill: Kill all processes associated with <PACKAGE>.  Only kills.  processes that are safe to kill -- that is, will not impact the user  experience.am kill-all: Kill all background processes.am broadcast: send a broadcast Intent.am instrument: start an Instrumentation.  Typically this target <COMPONENT>  is the form <TEST_PACKAGE>/<RUNNER_CLASS>.  Options are:    -r: print raw results (otherwise decode REPORT_KEY_STREAMRESULT).  Use with        [-e perf true] to generate raw output for performance measurements.    -e <NAME> <VALUE>: set argument <NAME> to <VALUE>.  For test runners a        common form is [-e <testrunner_flag> <value>[,<value>...]].    -p <FILE>: write profiling data to <FILE>    -w: wait for instrumentation to finish before returning.  Required for        test runners.    --no-window-animation: turn off window animations will running.am profile: start and stop profiler on a process.am dumpheap: dump the heap of a process.  Options are:    -n: dump native heap instead of managed heapam set-debug-app: set application <PACKAGE> to debug.  Options are:    -w: wait for debugger when application starts    --persistent: retain this valueam clear-debug-app: clear the previously set-debug-app.am monitor: start monitoring for crashes or ANRs.    --gdb: start gdbserv on the given port at crash/ANRam screen-compat: control screen compatibility mode of <PACKAGE>.am display-size: override display size.am to-uri: print the given Intent specification as a URI.am to-intent-uri: print the given Intent specification as an intent: URI.<INTENT> specifications include these flags and arguments:    [-a <ACTION>] [-d <DATA_URI>] [-t <MIME_TYPE>]    [-c <CATEGORY> [-c <CATEGORY>] ...]    [-e|--es <EXTRA_KEY> <EXTRA_STRING_VALUE> ...]    [--esn <EXTRA_KEY> ...]    [--ez <EXTRA_KEY> <EXTRA_BOOLEAN_VALUE> ...]    [--ei <EXTRA_KEY> <EXTRA_INT_VALUE> ...]    [--el <EXTRA_KEY> <EXTRA_LONG_VALUE> ...]    [--eu <EXTRA_KEY> <EXTRA_URI_VALUE> ...]    [--eia <EXTRA_KEY> <EXTRA_INT_VALUE>[,<EXTRA_INT_VALUE...]]    [--ela <EXTRA_KEY> <EXTRA_LONG_VALUE>[,<EXTRA_LONG_VALUE...]]    [-n <COMPONENT>] [-f <FLAGS>]    [--grant-read-uri-permission] [--grant-write-uri-permission]    [--debug-log-resolution] [--exclude-stopped-packages]    [--include-stopped-packages]    [--activity-brought-to-front] [--activity-clear-top]    [--activity-clear-when-task-reset] [--activity-exclude-from-recents]    [--activity-launched-from-history] [--activity-multiple-task]    [--activity-no-animation] [--activity-no-history]    [--activity-no-user-action] [--activity-previous-is-top]    [--activity-reorder-to-front] [--activity-reset-task-if-needed]    [--activity-single-top] [--activity-clear-task]    [--activity-task-on-home]    [--receiver-registered-only] [--receiver-replace-pending]    [--selector]    [<URI> | <PACKAGE> | <COMPONENT>]Error: Unknown command: -h

尽管-h没法识别，可还是打印出了參数的。

经常使用命令介绍：

1、am

am命令是很实用的一个命令，使用此命令能够启动 activity, services；发送 broadcast等等。

使用实例：如启动一个 Activity：

格式：adb shell am start -n 包名/包名＋类名（-n 类名,-a action,-d date,-m MIME-TYPE,-c category,-e 扩展数据,等）。

实例1：C:\Users\Administrator>adb shell am start -n com.android.camera/.CameraStarting: Intent { cmp=com.android.camera/.Camera }

实例2：（带extra 的 intent）C:\Users\Administrator>adb shell am start -n com.android.camera/.Camera -e abc helloStarting: Intent { cmp=com.android.camera/.Camera (has extras) }当中 extra 的 key 为 abc ,value 为字串 "hello"

还能够发送命令模拟手机低电环境：

实例：adb shell am broadcast -a android.intent.action.BATTERY_CHANGED --ei "level" 3 --ei "scale" 100

2、getprop/watchprops

getprop列出系统的属性,前面十名字,后面是值
# getprop
getprop
[ro.secure]: [0]
[ro.allow.mock.location]: [1]
[ro.debuggable]: [1]
[persist.service.adb.enable]: [1]
[ro.kernel.qemu]: [1]
[ro.kernel.console]: [ttyS0]
[ro.kernel.android.checkjni]: [1]
[ro.kernel.android.qemud]: [ttyS1]
[ro.kernel.android.ndns]: [1]
[ro.factorytest]: [0]
[ro.serialno]: []

3、watchprosp动态监视这些属性的变化,比方我改动系统的语言为中文,就会打印出:
# watchprops
watchprops
1269420653 persist.sys.language = 'zh'
1269420653 persist.sys.language = 'CN'

4、 wipe <system|data|all>
wipe表示清除模拟器或者真机上的数据,比方你的模拟器用了非常久,装了非常多软件就能够用这个来清除
system表示清除 /system下的数据
data表述清除 /data 下的数据

5、dumpsys命令

主要用来获取一些系统service的信息，也能够对这些服务做一些简单的控制。

在使用此命令之前要先查看一下有哪些组件是能够使用这个命令的

C:\Users\Administrator>adb shellshell@android:/ $ dumpsys | grep DUMPdumpsys | grep DUMPDUMP OF SERVICE Binder.Pged:DUMP OF SERVICE ProtocolParaManagerService:DUMP OF SERVICE SurfaceFlinger:DUMP OF SERVICE accessibility:DUMP OF SERVICE account:DUMP OF SERVICE activity:DUMP OF SERVICE alarm:DUMP OF SERVICE appwidget:DUMP OF SERVICE audio:DUMP OF SERVICE audio.om:DUMP OF SERVICE backup:DUMP OF SERVICE battery:DUMP OF SERVICE batteryinfo:DUMP OF SERVICE bluetooth_manager:DUMP OF SERVICE clipboard:

还有非常多，比方activity的信息

C:\Users\Administrator>adb shell dumpsys activity > e:\activity.txtC:\Users\Administrator>

因为activity的信息太多了，所以将信息输出到文件。

查看程序内存使用情况，dumpsys meminfo YoupackageName

C:\Users\Administrator>adb shell dumpsys meminfo cn.com.zte.ucApplications Memory Usage (kB):Uptime: 2341477 Realtime: 2341464** MEMINFO in pid 5851 [cn.com.zte.uc] **                         Shared  Private     Heap     Heap     Heap                   Pss    Dirty    Dirty     Size    Alloc     Free                ------   ------   ------   ------   ------   ------       Native       72       12       72     9012     5361     3650       Dalvik    28915     5784    28768    28624    26812     1812       Cursor        0        0        0       Ashmem        0        0        0    Other dev        4       60        0     .so mmap     3334      864     1196    .jar mmap       20        0        0    .apk mmap      238        0        0    .ttf mmap      482        0        0    .dex mmap     4576        0       28   Other mmap     1151        4       40      Unknown     5480       36     5480        TOTAL    44272     6760    35584    37636    32173     5462 Objects               Views:      552         ViewRootImpl:        1         AppContexts:       14           Activities:       11              Assets:        4        AssetManagers:        4       Local Binders:       33        Proxy Binders:       29    Death Recipients:        0     OpenSSL Sockets:        0 SQL         MEMORY_USED:      352  PAGECACHE_OVERFLOW:      182          MALLOC_SIZE:       62 DATABASES      pgsz     dbsz   Lookaside(b)          cache  Dbname         4      268            477      539/60/25  /data/data/cn.com.zte.uc/databases/E300 Asset Allocations    zip:/data/app/cn.com.zte.uc-1.apk:/resources.arsc: 192KC:\Users\Administrator>

假设dumpsys不能用，检查你的manifest.xml是不是加了这个permission：
android.permission.DUMP

6、pm命令（2014年9月26日更新）

这个命令相同很强大。来看下它都有哪些用处。

usage: pm list packages [-f] [-d] [-e] [-s] [-3] [-i] [-u] [--user USER_ID] [FILTER]       pm list permission-groups       pm list permissions [-g] [-f] [-d] [-u] [GROUP]       pm list instrumentation [-f] [TARGET-PACKAGE]       pm list features       pm list libraries       pm list users       pm path PACKAGE       pm install [-l] [-r] [-t] [-i INSTALLER_PACKAGE_NAME] [-s] [-f]                  [--algo <algorithm name> --key <key-in-hex> --iv <IV-in-hex>]                  [--originating-uri <URI>] [--referrer <URI>] PATH       pm uninstall [-k] PACKAGE       pm clear [--user USER_ID] PACKAGE       pm enable [--user USER_ID] PACKAGE_OR_COMPONENT       pm disable [--user USER_ID] PACKAGE_OR_COMPONENT       pm disable-user [--user USER_ID] PACKAGE_OR_COMPONENT       pm grant PACKAGE PERMISSION       pm revoke PACKAGE PERMISSION       pm set-install-location [0/auto] [1/internal] [2/external]       pm get-install-location       pm set-permission-enforced PERMISSION [true|false]       pm trim-caches DESIRED_FREE_SPACE       pm create-user USER_NAME       pm remove-user USER_ID       pm get-max-userspm list packages: prints all packages, optionally only  those whose package name contains the text in FILTER.  Options:    -f: see their associated file.    -d: filter to only show disbled packages.    -e: filter to only show enabled packages.    -s: filter to only show system packages.    -3: filter to only show third party packages.    -i: see the installer for the packages.    -u: also include uninstalled packages.pm list permission-groups: prints all known permission groups.pm list permissions: prints all known permissions, optionally only  those in GROUP.  Options:    -g: organize by group.    -f: print all information.    -s: short summary.    -d: only list dangerous permissions.    -u: list only the permissions users will see.pm list instrumentation: use to list all test packages; optionally  supply <TARGET-PACKAGE> to list the test packages for a particular  application.  Options:    -f: list the .apk file for the test package.pm list features: prints all features of the system.pm list users: prints all users on the system.pm path: print the path to the .apk of the given PACKAGE.pm install: installs a package to the system.  Options:    -l: install the package with FORWARD_LOCK.    -r: reinstall an exisiting app, keeping its data.    -t: allow test .apks to be installed.    -i: specify the installer package name.    -s: install package on sdcard.    -f: install package on internal flash.    -d: allow version code downgrade.pm uninstall: removes a package from the system. Options:    -k: keep the data and cache directories around after package removal.pm clear: deletes all data associated with a package.pm enable, disable, disable-user: these commands change the enabled state  of a given package or component (written as "package/class").pm grant, revoke: these commands either grant or revoke permissions  to applications.  Only optional permissions the application has  declared can be granted or revoked.pm get-install-location: returns the current install location.    0 [auto]: Let system decide the best location    1 [internal]: Install on internal device storage    2 [external]: Install on external mediapm set-install-location: changes the default install location.  NOTE: this is only intended for debugging; using this can cause  applications to break and other undersireable behavior.    0 [auto]: Let system decide the best location    1 [internal]: Install on internal device storage    2 [external]: Install on external mediapm trim-caches: trim cache files to reach the given free space.pm create-user: create a new user with the given USER_NAME,  printing the new user identifier of the user.pm remove-user: remove the user with the given USER_IDENTIFIER,  deleting all data associated with that user

比如：打印全部已知的权限

shell@android:/ $ pm list permissionspm list permissionsAll Permissions:permission:com.sina.weibo.permission.PUSH_MSG_BROADCAST_PERMISSIONpermission:com.google.android.gms.permission.GAMES_DEBUG_SETTINGSpermission:com.tencent.photos.permission.DATA    ..........shell@android:/ $

额。有点多就省略了，有兴趣就查下。只是这查起来就非常具体了。。还有安装卸载，清空包，获取/改动安装路径，删除用户，创建用户，清理缓存，查看安装过的包名等等。。

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