Added in API level 1

android.content.pm

Contains classes for accessing information about an application package, including information about its activities, permissions, services, signatures, and providers.

Most of the information about an application package is defined by its manifest file. For more information, see the AndroidManifest.xml File documentation.

Interfaces

PackageManager.OnChecksumsReadyListener Listener that gets notified when checksums are available. 

Classes

ActivityInfo Information you can retrieve about a particular application activity or receiver. 
ActivityInfo.WindowLayout Contains information about position and size of the activity on the display. 
ApkChecksum A typed checksum of an APK. 
ApplicationInfo Information you can retrieve about a particular application. 
ApplicationInfo.DisplayNameComparator  
Attribution Information about an attribution declared by a package. 
Capability Represents a capability that can be performed by an app, also known as App Action. 
Capability.Builder Builder class for Capability
CapabilityParams Represents the parameters and its matching names which can be associated with a Capability
CapabilityParams.Builder Builder class for CapabilityParams
ChangedPackages Packages that have been changed since the last time they were requested. 
Checksum A typed checksum. 
ComponentInfo Base class containing information common to all application components (ActivityInfo, ServiceInfo). 
ConfigurationInfo Information you can retrieve about hardware configuration preferences declared by an application. 
CrossProfileApps Class for handling cross profile operations. 
FeatureGroupInfo A set of features that can be requested by an application. 
FeatureInfo Definition of a single optional hardware or software feature of an Android device. 
InstallSourceInfo Information about how an app was installed. 
InstrumentationInfo Information you can retrieve about a particular piece of test instrumentation. 
LabeledIntent A special subclass of Intent that can have a custom label/icon associated with it. 
LauncherActivityInfo A representation of an activity that can belong to this user or a managed profile associated with this user. 
LauncherApps Class for retrieving a list of launchable activities for the current user and any associated managed profiles that are visible to the current user, which can be retrieved with getProfiles()
LauncherApps.Callback Callbacks for package changes to this and related managed profiles. 
LauncherApps.PinItemRequest Represents a "pin shortcut" or a "pin appwidget" request made by an app, which is sent with an LauncherApps.ACTION_CONFIRM_PIN_SHORTCUT or LauncherApps.ACTION_CONFIRM_PIN_APPWIDGET intent respectively to the default launcher app. 
LauncherApps.ShortcutQuery Represents a query passed to LauncherApps.getShortcuts(android.content.pm.LauncherApps.ShortcutQuery, android.os.UserHandle)
ModuleInfo Information you can retrieve about a particular system module. 
PackageInfo Overall information about the contents of a package. 
PackageInstaller Offers the ability to install, upgrade, and remove applications on the device. 
PackageInstaller.InstallConstraints A class to encapsulate constraints for installation. 
PackageInstaller.InstallConstraints.Builder Builder class for constructing InstallConstraints
PackageInstaller.InstallConstraintsResult The callback result of PackageInstaller.checkInstallConstraints(java.util.List, android.content.pm.PackageInstaller.InstallConstraints, java.util.concurrent.Executor, java.util.function.Consumer)
PackageInstaller.PreapprovalDetails Details for requesting the pre-commit install approval. 
PackageInstaller.PreapprovalDetails.Builder A builder for PreapprovalDetails 
PackageInstaller.Session An installation that is being actively staged. 
PackageInstaller.SessionCallback Events for observing session lifecycle. 
PackageInstaller.SessionInfo Details for an active install session. 
PackageInstaller.SessionParams Parameters for creating a new PackageInstaller.Session
PackageItemInfo Base class containing information common to all package items held by the package manager. 
PackageItemInfo.DisplayNameComparator  
PackageManager Class for retrieving various kinds of information related to the application packages that are currently installed on the device. 
PackageManager.ApplicationInfoFlags Specific flags used for retrieving application info. 
PackageManager.ComponentEnabledSetting The class containing the enabled setting of a package component. 
PackageManager.ComponentInfoFlags Specific flags used for retrieving component info. 
PackageManager.PackageInfoFlags Specific flags used for retrieving package info. 
PackageManager.Property A property value set within the manifest. 
PackageManager.ResolveInfoFlags Specific flags used for retrieving resolve info. 
PackageStats This class was deprecated in API level 26. this class is an orphan that could never be obtained from a valid public API. If you need package storage statistics use the new StorageStatsManager APIs. 
PathPermission Description of permissions needed to access a particular path in a ProviderInfo
PermissionGroupInfo Information you can retrieve about a particular security permission group known to the system. 
PermissionInfo Information you can retrieve about a particular security permission known to the system. 
ProviderInfo Holds information about a specific content provider
ResolveInfo Information that is returned from resolving an intent against an IntentFilter. 
ResolveInfo.DisplayNameComparator  
ServiceInfo Information you can retrieve about a particular application service. 
SharedLibraryInfo This class provides information for a shared library. 
ShortcutInfo Represents a shortcut that can be published via ShortcutManager
ShortcutInfo.Builder Builder class for ShortcutInfo objects. 
ShortcutManager

ShortcutManager executes operations on an app's set of shortcuts, which represent specific tasks and actions that users can perform within your app. 

Signature Opaque, immutable representation of a signing certificate associated with an application package. 
SigningInfo Information pertaining to the signing certificates used to sign a package. 
VersionedPackage Encapsulates a package and its version code. 

Exceptions

PackageManager.NameNotFoundException This exception is thrown when a given package, application, or component name cannot be found.