Android PackageManager 基本使用

​ public ServiceInfo serviceInfo 获取 ServiceInfo对象，即节点信息

常用方法：

​ Drawable loadIcon(PackageManager pm) 获得当前应用程序的图像

​ CharSequence loadLabel(PackageManager pm) 获得当前应用程序的label

1.3 PackageInfo类

说明：手动获取AndroidManifest.xml文件的信息 。

常用字段：

​ public String packageName 包名

​ public ActivityInfo[] activities 所有节点信息

​ public ApplicationInfo applicationInfo 节点信息，只有一个

​ public ActivityInfo[] receivers 所有节点信息，多个

​ public ServiceInfo[] services 所有节点信息 ，多个

1.4 PackageManger 类

说明： 获得已安装的应用程序信息 。可以通过getPackageManager()方法获得。

常用方法：

// 功能：获得一个PackageManger对象
public abstract PackageManager getPackageManager()

// 功能：返回给定包名的图标，否则返回null
public abstrac tDrawable  getApplicationIcon(String packageName)

// 功能：返回该ApplicationInfo对象
// packageName 包名
// flags 该ApplicationInfo是此flags标记，通常可以直接赋予常数**0**即可
public abstract ApplicationInfo  **getApplicationInfo**(String packageName, int flags)

// 功能：返回给定条件的所有PackageInfo
// flag为一般为GET_UNINSTALLED_PACKAGES，那么此时会返回所有ApplicationInfo。我们可以对ApplicationInfo 的flags过滤,得到我们需要的
public abstract List <ApplicationInfo> getInstalledApplications(int flags)

// 功能：返回给定条件的所有PackageInfo
public abstract List <PackageInfo> getInstalledPackages(int flags)

// 功能：返回给定条件的ResolveInfo对象(本质上是Activity) 
// intent 查寻条件，Activity所配置的action和category
// flags： MATCH_DEFAULT_ONLY   ：Category必须带有CATEGORY_DEFAULT的Activity，才匹配
// GET_INTENT_FILTERS   ：匹配Intent条件即可
// GET_RESOLVED_FILTER  ：匹配Intent条件即可
public abstractResolveInfo resolveActivity(Intent intent, int flags)

// 功能：返回给定条件的所有ResolveInfo对象(本质上是Activity)，集合对象
public abstract List <ResolveInfo> queryIntentActivities(Intent intent, int flags)

// 功能：返回给定条件的ResolveInfo对象(本质上是Service)
public abstract ResolveInfo resolveService(Intent intent, int flags)

// 功能 ：返回给定条件的所有ResolveInfo对象(本质上是Service)，集合对象
 public abstract List<ResolveInfo> queryIntentServices(Intent intent, int flags)
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Android软件包可见性

Google文档说明：https://developer.android.com/training/package-visibility

如果应用以 Android 11（API 级别 30）或更高版本为目标平台，并查询与设备上已安装的其他应用相关的信息，则系统在默认情况下会过滤此信息。此过滤行为意味着您的应用无法检测设备上安装的所有应用，这有助于最大限度地减少您的应用可以访问但在执行其用例时不需要的潜在敏感信息。

有限的应用可见性会影响提供其他应用相关信息的方法的返回结果，例如 queryIntentActivities()、getPackageInfo() 和 getInstalledApplications()。有限的可见性还会影响与其他应用的显式交互，例如启动另一个应用的服务。

部分软件包是自动可见的。您的应用始终可以在查询其他已安装的应用时检测这些软件包。如需查看其他软件包，请使用 元素声明您的应用需要提高软件包可见性，在 元素中，按软件包名称、按 intent 签名或按提供程序授权指定其他应用。

<manifest package="com.example.game">
  <queries>
    
    <package android:name="com.example.store" />
    <package android:name="com.example.service" />
    
    <intent>
      <action android:name="android.intent.action.SEND" />
      <data android:mimeType="image/jpeg" />
    intent>
  queries>
   
  <queries>
        <provider android:authorities="com.example.settings.files" />
    queries>
  ...
manifest>
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在极少数情况下，如果遇到 元素无法提供适当的软件包可见性，您还可以使用 QUERY_ALL_PACKAGES 权限。

判断某个具体包名是否存在的方法

public static boolean isApplicationAvailable(Context context) {
        PackageManager packageManager = context.getPackageManager();
        try {
            packageManager.getPackageInfo(PACKAGE_NAME, PackageManager.GET_ACTIVITIES);
            return true;
        } catch (PackageManager.NameNotFoundException e) {
           return false;
        }
    }
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adb pm 常用命令

adb shell pm install apkPath 安装应用
adb shell pm uninstall packageName 卸载应用
adb shell pm clear packageName 清除应用缓存
adb shell pm path packageName 查看应用路径
adb shell pm dump packageName 打印应用信息
adb shell pm list package 列出所有应用
adb shell pm list package -3 列出第三方应用
adb shell pm list instrumentation 列出所有测试包

pm list features 列出所有硬件相关信息
pm list libraries 列出当前设备支持的libs
pm list users 列出系统上所有的users
pm list permissions 列出所有已知的权限
pm enable ‘pkgname’ 使package或component可用。（如：pm enable “package/class”）
pm disable ‘pkgname’ 使package或component不可用
pm grant 授权给应用
pm revoke 撤销权限

$ adb shell pm -h
Package manager (package) commands:
  help
    Print this help text.

  path [--user USER_ID] PACKAGE
    Print the path to the .apk of the given PACKAGE.

  dump PACKAGE
    Print various system state associated with the given PACKAGE.

  has-feature FEATURE_NAME [version]
    Prints true and returns exit status 0 when system has a FEATURE_NAME,
    otherwise prints false and returns exit status 1

  list features
    Prints all features of the system.

  list instrumentation [-f] [TARGET-PACKAGE]
    Prints all test packages; optionally only those targeting TARGET-PACKAGE
    Options:
      -f: dump the name of the .apk file containing the test package

  list libraries
    Prints all system libraries.

  list packages [-f] [-d] [-e] [-s] [-3] [-i] [-l] [-u] [-U] 
      [--show-versioncode] [--apex-only] [--uid UID] [--user USER_ID] [FILTER]
    Prints all packages; optionally only those whose name contains
    the text in FILTER.  Options are:
      -f: see their associated file
      -a: all known packages (but excluding APEXes)
      -d: filter to only show disabled 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
      -l: ignored (used for compatibility with older releases)
      -U: also show the package UID
      -u: also include uninstalled packages
      --show-versioncode: also show the version code
      --apex-only: only show APEX packages
      --uid UID: filter to only show packages with the given UID
      --user USER_ID: only list packages belonging to the given user

  list permission-groups
    Prints all known permission groups.

  list permissions [-g] [-f] [-d] [-u] [GROUP]
    Prints all known permissions; optionally only those in GROUP.  Options are:
      -g: organize by group
      -f: print all information
      -s: short summary
      -d: only list dangerous permissions
      -u: list only the permissions users will see

  list staged-sessions [--only-ready] [--only-sessionid] [--only-parent]
    Prints all staged sessions.
      --only-ready: show only staged sessions that are ready
      --only-sessionid: show only sessionId of each session
      --only-parent: hide all children sessions

  list users
    Prints all users.

  resolve-activity [--brief] [--components] [--query-flags FLAGS]
       [--user USER_ID] INTENT
    Prints the activity that resolves to the given INTENT.

  query-activities [--brief] [--components] [--query-flags FLAGS]
       [--user USER_ID] INTENT
    Prints all activities that can handle the given INTENT.

  query-services [--brief] [--components] [--query-flags FLAGS]
       [--user USER_ID] INTENT
    Prints all services that can handle the given INTENT.

  query-receivers [--brief] [--components] [--query-flags FLAGS]
       [--user USER_ID] INTENT
    Prints all broadcast receivers that can handle the given INTENT.

  install [-rtfdgw] [-i PACKAGE] [--user USER_ID|all|current]
       [-p INHERIT_PACKAGE] [--install-location 0/1/2]
       [--install-reason 0/1/2/3/4] [--originating-uri URI]
       [--referrer URI] [--abi ABI_NAME] [--force-sdk]
       [--preload] [--instant] [--full] [--dont-kill]
       [--enable-rollback]
       [--force-uuid internal|UUID] [--pkg PACKAGE] [-S BYTES]
       [--apex] [--wait TIMEOUT]
       [PATH [SPLIT...]|-]
    Install an application.  Must provide the apk data to install, either as
    file path(s) or '-' to read from stdin.  Options are:
      -R: disallow replacement of existing application
      -t: allow test packages
      -i: specify package name of installer owning the app
      -f: install application on internal flash
      -d: allow version code downgrade (debuggable packages only)
      -p: partial application install (new split on top of existing pkg)
      -g: grant all runtime permissions
      -S: size in bytes of package, required for stdin
      --user: install under the given user.
      --dont-kill: installing a new feature split, don't kill running app
      --restrict-permissions: don't whitelist restricted permissions at install
      --originating-uri: set URI where app was downloaded from
      --referrer: set URI that instigated the install of the app
      --pkg: specify expected package name of app being installed
      --abi: override the default ABI of the platform
      --instant: cause the app to be installed as an ephemeral install app
      --full: cause the app to be installed as a non-ephemeral full app
      --install-location: force the install location:
          0=auto, 1=internal only, 2=prefer external
      --install-reason: indicates why the app is being installed:
          0=unknown, 1=admin policy, 2=device restore,
          3=device setup, 4=user request
      --force-uuid: force install on to disk volume with given UUID
      --apex: install an .apex file, not an .apk
      --wait: when performing staged install, wait TIMEOUT milliseconds
          for pre-reboot verification to complete. If TIMEOUT is not
          specified it will wait for 60000 milliseconds.

  install-existing [--user USER_ID|all|current]
       [--instant] [--full] [--wait] [--restrict-permissions] PACKAGE
    Installs an existing application for a new user.  Options are:
      --user: install for the given user.
      --instant: install as an instant app
      --full: install as a full app
      --wait: wait until the package is installed
      --restrict-permissions: don't whitelist restricted permissions

  install-create [-lrtsfdg] [-i PACKAGE] [--user USER_ID|all|current]
       [-p INHERIT_PACKAGE] [--install-location 0/1/2]
       [--install-reason 0/1/2/3/4] [--originating-uri URI]
       [--referrer URI] [--abi ABI_NAME] [--force-sdk]
       [--preload] [--instant] [--full] [--dont-kill]
       [--force-uuid internal|UUID] [--pkg PACKAGE] [--apex] [-S BYTES]
       [--multi-package] [--staged]
    Like "install", but starts an install session.  Use "install-write"
    to push data into the session, and "install-commit" to finish.

  install-write [-S BYTES] SESSION_ID SPLIT_NAME [PATH|-]
    Write an apk into the given install session.  If the path is '-', data
    will be read from stdin.  Options are:
      -S: size in bytes of package, required for stdin

  install-remove SESSION_ID SPLIT...
    Mark SPLIT(s) as removed in the given install session.

  install-add-session MULTI_PACKAGE_SESSION_ID CHILD_SESSION_IDs
    Add one or more session IDs to a multi-package session.

  install-commit SESSION_ID
    Commit the given active install session, installing the app.

  install-abandon SESSION_ID
    Delete the given active install session.

  set-install-location LOCATION
    Changes the default install location.  NOTE this is only intended for debugging;
    using this can cause applications to break and other undersireable behavior.
    LOCATION is one of:
    0 [auto]: Let system decide the best location
    1 [internal]: Install on internal device storage
    2 [external]: Install on external media

  get-install-location
    Returns the current install location: 0, 1 or 2 as per set-install-location.

  move-package PACKAGE [internal|UUID]

  move-primary-storage [internal|UUID]

  uninstall [-k] [--user USER_ID] [--versionCode VERSION_CODE]
       PACKAGE [SPLIT...]
    Remove the given package name from the system.  May remove an entire app
    if no SPLIT names specified, otherwise will remove only the splits of the
    given app.  Options are:
      -k: keep the data and cache directories around after package removal.
      --user: remove the app from the given user.
      --versionCode: only uninstall if the app has the given version code.

  clear [--user USER_ID] PACKAGE
    Deletes all data associated with a package.

  enable [--user USER_ID] PACKAGE_OR_COMPONENT
  disable [--user USER_ID] PACKAGE_OR_COMPONENT
  disable-user [--user USER_ID] PACKAGE_OR_COMPONENT
  disable-until-used [--user USER_ID] PACKAGE_OR_COMPONENT
  default-state [--user USER_ID] PACKAGE_OR_COMPONENT
    These commands change the enabled state of a given package or
    component (written as "package/class").

  hide [--user USER_ID] PACKAGE_OR_COMPONENT
  unhide [--user USER_ID] PACKAGE_OR_COMPONENT

  suspend [--user USER_ID] TARGET-PACKAGE
    Suspends the specified package (as user).

  unsuspend [--user USER_ID] TARGET-PACKAGE
    Unsuspends the specified package (as user).

  grant [--user USER_ID] PACKAGE PERMISSION
  revoke [--user USER_ID] PACKAGE PERMISSION
    These commands either grant or revoke permissions to apps.  The permissions
    must be declared as used in the app's manifest, be runtime permissions
    (protection level dangerous), and the app targeting SDK greater than Lollipop MR1.

  reset-permissions
    Revert all runtime permissions to their default state.

  set-permission-enforced PERMISSION [true|false]

  get-privapp-permissions TARGET-PACKAGE
    Prints all privileged permissions for a package.

  get-privapp-deny-permissions TARGET-PACKAGE
    Prints all privileged permissions that are denied for a package.

  get-oem-permissions TARGET-PACKAGE
    Prints all OEM permissions for a package.

  set-app-link [--user USER_ID] PACKAGE {always|ask|never|undefined}
  get-app-link [--user USER_ID] PACKAGE

  trim-caches DESIRED_FREE_SPACE [internal|UUID]
    Trim cache files to reach the given free space.

  list users
    Lists the current users.

  create-user [--profileOf USER_ID] [--managed] [--restricted] [--ephemeral]
      [--guest] [--pre-create-only] [--user-type USER_TYPE] USER_NAME
    Create a new user with the given USER_NAME, printing the new user identifier
    of the user.
    USER_TYPE is the name of a user type, e.g. android.os.usertype.profile.MANAGED.
      If not specified, the default user type is android.os.usertype.full.SECONDARY.
      --managed is shorthand for '--user-type android.os.usertype.profile.MANAGED'.
      --restricted is shorthand for '--user-type android.os.usertype.full.RESTRICTED'.
      --guest is shorthand for '--user-type android.os.usertype.full.GUEST'.

  remove-user USER_ID
    Remove the user with the given USER_IDENTIFIER, deleting all data
    associated with that user

  set-user-restriction [--user USER_ID] RESTRICTION VALUE

  get-max-users

  get-max-running-users

  compile [-m MODE | -r REASON] [-f] [-c] [--split SPLIT_NAME]
          [--reset] [--check-prof (true | false)] (-a | TARGET-PACKAGE)
    Trigger compilation of TARGET-PACKAGE or all packages if "-a".  Options are:
      -a: compile all packages
      -c: clear profile data before compiling
      -f: force compilation even if not needed
      -m: select compilation mode
          MODE is one of the dex2oat compiler filters:
            assume-verified
            extract
            verify
            quicken
            space-profile
            space
            speed-profile
            speed
            everything
      -r: select compilation reason
          REASON is one of:
            first-boot
            boot
            install
            bg-dexopt
            ab-ota
            inactive
            shared
      --reset: restore package to its post-install state
      --check-prof (true | false): look at profiles when doing dexopt?
      --secondary-dex: compile app secondary dex files
      --split SPLIT: compile only the given split name
      --compile-layouts: compile layout resources for faster inflation

  force-dex-opt PACKAGE
    Force immediate execution of dex opt for the given PACKAGE.

  bg-dexopt-job
    Execute the background optimizations immediately.
    Note that the command only runs the background optimizer logic. It may
    overlap with the actual job but the job scheduler will not be able to
    cancel it. It will also run even if the device is not in the idle
    maintenance mode.

  reconcile-secondary-dex-files TARGET-PACKAGE
    Reconciles the package secondary dex files with the generated oat files.

  dump-profiles TARGET-PACKAGE
    Dumps method/class profile files to
    /data/misc/profman/TARGET-PACKAGE.txt

  snapshot-profile TARGET-PACKAGE [--code-path path]
    Take a snapshot of the package profiles to
    /data/misc/profman/TARGET-PACKAGE[-code-path].prof
    If TARGET-PACKAGE=android it will take a snapshot of the boot image

  set-home-activity [--user USER_ID] TARGET-COMPONENT
    Set the default home activity (aka launcher).
    TARGET-COMPONENT can be a package name (com.package.my) or a full
    component (com.package.my/component.name). However, only the package name
    matters: the actual component used will be determined automatically from
    the package.

  set-installer PACKAGE INSTALLER
    Set installer package name

  get-instantapp-resolver
    Return the name of the component that is the current instant app installer.

  set-harmful-app-warning [--user <USER_ID>] <PACKAGE> [<WARNING>]
    Mark the app as harmful with the given warning message.

  get-harmful-app-warning [--user <USER_ID>] <PACKAGE>
    Return the harmful app warning message for the given app, if present

  uninstall-system-updates [<PACKAGE>]
    Removes updates to the given system application and falls back to its
    /system version. Does nothing if the given package is not a system app.
    If no package is specified, removes updates to all system applications.

  get-moduleinfo [--all | --installed] [module-name]
    Displays module info. If module-name is specified only that info is shown
    By default, without any argument only installed modules are shown.
      --all: show all module info
      --installed: show only installed modules

  log-visibility [--enable|--disable] <PACKAGE>
    Turns on debug logging when visibility is blocked for the given package.
      --enable: turn on debug logging (default)
      --disable: turn off debug logging

<INTENT> specifications include these flags and arguments:
    [-a <ACTION>] [-d <DATA_URI>] [-t <MIME_TYPE>] [-i <IDENTIFIER>]
    [-c <CATEGORY> [-c <CATEGORY>] ...]
    [-n <COMPONENT_NAME>]
    [-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> ...]
    [--ef <EXTRA_KEY> <EXTRA_FLOAT_VALUE> ...]
    [--eu <EXTRA_KEY> <EXTRA_URI_VALUE> ...]
    [--ecn <EXTRA_KEY> <EXTRA_COMPONENT_NAME_VALUE>]
    [--eia <EXTRA_KEY> <EXTRA_INT_VALUE>[,<EXTRA_INT_VALUE...]]
        (mutiple extras passed as Integer[])
    [--eial <EXTRA_KEY> <EXTRA_INT_VALUE>[,<EXTRA_INT_VALUE...]]
        (mutiple extras passed as List<Integer>)
    [--ela <EXTRA_KEY> <EXTRA_LONG_VALUE>[,<EXTRA_LONG_VALUE...]]
        (mutiple extras passed as Long[])
    [--elal <EXTRA_KEY> <EXTRA_LONG_VALUE>[,<EXTRA_LONG_VALUE...]]
        (mutiple extras passed as List<Long>)
    [--efa <EXTRA_KEY> <EXTRA_FLOAT_VALUE>[,<EXTRA_FLOAT_VALUE...]]
        (mutiple extras passed as Float[])
    [--efal <EXTRA_KEY> <EXTRA_FLOAT_VALUE>[,<EXTRA_FLOAT_VALUE...]]
        (mutiple extras passed as List<Float>)
    [--esa <EXTRA_KEY> <EXTRA_STRING_VALUE>[,<EXTRA_STRING_VALUE...]]
        (mutiple extras passed as String[]; to embed a comma into a string,
         escape it using "\,")
    [--esal <EXTRA_KEY> <EXTRA_STRING_VALUE>[,<EXTRA_STRING_VALUE...]]
        (mutiple extras passed as List<String>; to embed a comma into a string,
         escape it using "\,")
    [-f <FLAG>]
    [--grant-read-uri-permission] [--grant-write-uri-permission]
    [--grant-persistable-uri-permission] [--grant-prefix-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] [--activity-match-external]
    [--receiver-registered-only] [--receiver-replace-pending]
    [--receiver-foreground] [--receiver-no-abort]
    [--receiver-include-background]
    [--selector]
    [<URI> | <PACKAGE> | <COMPONENT>]
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