常用的用法：
查看已经安装的包
pm list packages
查看已经安装的包以及apk路径（-3：只看第三方应用； -s：只看系统应用）
-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.
pm list packages -f -
列出指定包名的APK位置
pm path com.kp.poi
删除某个应用的所有数据（相当于全新安装）
pm clear com.UCMobile
禁用/启用某个应用（disable/enable）
pm disable com.android.systemui
列出硬件信息
pm list features
完整的用法：
usage: pm list packages [-f] [-d] [-e] [-s] [-] [-i] [-u] [--user USER_ID] [FIL
TER]
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 dump 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 disable-until-used [--user USER_ID] PACKAGE_OR_COMPONENT
pm block [--user USER_ID] PACKAGE_OR_COMPONENT
pm unblock [--user USER_ID] PACKAGE_OR_COMPONENT
pm grant PACKAGE PERMISSION
pm revoke PACKAGE PERMISSION
pm set-install-location [/auto] [/internal] [/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-users pm 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.
-: 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 dump: print system state associated w ith 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, disable-until-used: 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.
[auto]: Let system decide the best location
[internal]: Install on internal device storage
[external]: Install on external media pm 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.
[auto]: Let system decide the best location
[internal]: Install on internal device storage
[external]: Install on external media pm 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