Android.App.AppFunctions Namespace

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Provides types to expose, discover, and execute app functions.

Classes

Name	Description
AppFunctionActivityId	An identifier of an `android.app.Activity` an app function can be associated with.
AppFunctionActivityId.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionActivityId.
AppFunctionActivityState	The state of an activity from the perspective of app functions, retrieved using `AppFunctionManager#getAppFunctionActivityStates`.
AppFunctionActivityState.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionActivityState.
AppFunctionException	App function related error.
AppFunctionException.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionException.
AppFunctionManager	Provides access to App Functions.
AppFunctionMetadata	Contains an app function's metadata, essential for its invocation and discovery, retrieved using `AppFunctionManager#searchAppFunctions`.
AppFunctionMetadata.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionMetadata.
AppFunctionName	Globally unique identifier for an app function.
AppFunctionName.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionName.
AppFunctionPackageMetadata	Contains metadata about a package providing app functions.
AppFunctionPackageMetadata.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionPackageMetadata.
AppFunctionSchemaMetadata	Contains identifying metadata for a predefined schema, which can describe well-known function signatures.
AppFunctionSchemaMetadata.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionSchemaMetadata.
AppFunctionSearchSpec	Filter criteria for `AppFunctionManager#searchAppFunctions`.
AppFunctionSearchSpec.Builder	Builder for constructing `AppFunctionSearchSpec`.
AppFunctionSearchSpec.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionSearchSpec.
AppFunctionService	Extend this class to implement app functions, that can be executed by `AppFunctionManager#executeAppFunction`.
AppFunctionState	Runtime state of an app function, retrieved using `AppFunctionManager#getAppFunctionStates`.
AppFunctionState.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionState.
AppFunctionUriGrant	`Uri` for which access permission is to be granted to the caller of `AppFunctionManager#executeAppFunction`, provided to `ExecuteAppFunctionResponse`.
AppFunctionUriGrant.InterfaceConsts	Contains the IParcelable constants exposed for AppFunctionUriGrant.
ExecuteAppFunctionRequest	A request to execute an app function, provided to `AppFunctionManager#executeAppFunction`.
ExecuteAppFunctionRequest.Builder	Builder for `ExecuteAppFunctionRequest`.
ExecuteAppFunctionRequest.InterfaceConsts	Contains the IParcelable constants exposed for ExecuteAppFunctionRequest.
ExecuteAppFunctionResponse	The response to an app function execution, returned by `AppFunctionManager#executeAppFunction`.
ExecuteAppFunctionResponse.InterfaceConsts	Contains the IParcelable constants exposed for ExecuteAppFunctionResponse.
RegisterAppFunctionRequest	A request to register an `AppFunction` implementation, provided to `AppFunctionManager#registerAppFunctions`.

Interfaces

Name	Description
IAppFunction	An interface for implementing the logic of an app function registered at runtime using `AppFunctionManager#registerAppFunction`.
IAppFunctionObservation	Result of `AppFunctionManager#observeAppFunctions`.
IAppFunctionObserver	Interface for observing changes to app functions provided to `AppFunctionManager#observeAppFunctions`.
IAppFunctionRegistration	Result of `AppFunctionManager#registerAppFunction`.

Enums

Name	Description
AppFunctionEnabledState	Specifies the enabled-state override for an app function.
AppFunctionError	Identifies errors reported during app-function execution.
AppFunctionErrorCategory	Groups app-function errors by their cause.
AppFunctionMetadataAccessLevel	Specifies which callers can execute an app function.
AppFunctionMetadataScope	Specifies whether an app function is registered for an activity or for the application.

Remarks

Apps provide functions through AppFunctionService or register IAppFunction implementations with AppFunctionManager. The manager also lets callers search for functions and request their execution.

ExecuteAppFunctionRequest identifies a function and carries its parameters. ExecuteAppFunctionResponse carries the result, while AppFunctionException describes an execution error.