作者：Sam (甄峰) sam_code@hotmail.com

Sam在看相關PackageManager代碼時，無意中發現Android

下提供一個pm命令，通常放在/system/bin/下。這個命令與Package有關，且非常實用。所以研究之。

0. Usage：

usage: pm [list|path|install|uninstall]

pm list packages [-f]

pm list permission-groups

pm list permissions [-g] [-f] [-d] [-u]

[GROUP]

pm list instrumentation [-f]

[TARGET-PACKAGE]

pm list features

pm path PACKAGE

pm install [-l] [-r] [-t] [-i

INSTALLER_PACKAGE_NAME] [-s] [-f] PATH

pm uninstall [-k] PACKAGE

pm enable PACKAGE_OR_COMPONENT

pm disable PACKAGE_OR_COMPONENT

pm setInstallLocation [0/auto] [1/internal]

[2/external]

The list packages command prints all packages.

Options:

-f: see their associated file.

The list permission-groups command prints all known

permission groups.

The list permissions command 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.

The list instrumentation command prints all

instrumentations,

or only those that target a specified package.

Options:

-f: see their associated file.

The list features command prints all features of the

system.

The path command prints the path to the .apk of a

package.

The install command 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.

The uninstall command removes a package from the system.

Options:

-k: keep the data and cache directories

around.

after the package removal.

The enable and disable commands change the enabled state

of

a given package or component (written as

"package/class").

The getInstallLocation command gets the current install

location

0 [auto]: Let system decide the best

location

1 [internal]: Install on internal device

storage

2 [external]: Install on external

media

The setInstallLocation command changes the default install

location

0 [auto]: Let system decide the best

location

1 [internal]: Install on internal device

storage

2 [external]: Install on external

media

1. 具體使用方法：

1.1：察看已安裝的包：

pm list package

此時則顯示所有已經安裝的包名。

pm list package -f

也顯示associated文件所在目錄(即保存的APK文件)

1.2：察看已知的權限組：

pm list permission-groups

1.3：察看所有已知的權限：

pm list permissions

1.4：列出所有硬件相關信息：

pm list features

結果通常類似：

feature:reqGlEsVersion=0x20000

feature:android.hardware.bluetooth

feature:android.hardware.camera

feature:android.hardware.location

feature:android.hardware.location.network

feature:android.hardware.microphone

feature:android.hardware.sensor.accelerometer

feature:android.hardware.sensor.compass

feature:android.hardware.touchscreen

feature:android.hardware.wifi

1.5：列出指定包名的?associated?文件

(APK存檔文件)?所在：

例如：

pm path com.TDiJoy.fane

package:/mnt/asec/com.TDiJoy.fane-1/pkg.apk

1.6: 安裝APK：

pm install [-l] [-r] [-t] [-i INSTALLER_PACKAGE_NAME] [-s] [-f]

PATH

PATH 指 APK文件絕對路徑和文件名。

例如：

pm install /data/3dijoy_fane.apk

這幾個參數很有用：

-r: 安裝一個已經安裝的APK，保持其數據不變。

-i：指定安裝的包名。(沒試出來)

-s: 安裝到SDCard上。

-f: 安裝到內部Flash上。

1.6：卸載APK：

pm uninstall 包名。

例如：

pm uninstall com.TDiJoy.fane

1.7: 得到和設置缺省安裝位置：

The getInstallLocation command gets the current install

location

0 [auto]: Let system decide the best

location

1 [internal]: Install on internal device

storage

2 [external]: Install on external

media

The setInstallLocation command changes the default install

location

0 [auto]: Let system decide the best

location

1 [internal]: Install on internal device

storage

2 [external]: Install on external

media

pm?getInstallLocation

得到缺省的安裝位置。

設置：

pm setInstallLocation <0|1|2>

0: 自動。

1：內部Flash。

2：擴展存儲設備。

實例：如何在海信2.2 STB上將APK安裝到U盤中：

Sam首先嘗試使用：

pm setInstallLocation 2

之后安裝之，沒有用。

后來做如下嘗試：

在其它設置->存儲設備->制定默認存儲設備中選擇U盤為默認存儲設備。

# pm install

-s xxxx.apk

就可以成功。

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