Update AppFunction Documentation (2ed10bd0) · Commits · e / os / android_frameworks_base

core/java/android/app/appfunctions/AppFunctionManager.java

+9 −8

Original line number	Diff line number	Diff line
		@@ -47,7 +47,6 @@ import java.util.function.Consumer;
		* <p>App function is a specific piece of functionality that an app offers to the system. These
		* functionalities can be integrated into various system features.
		*/
		// TODO(b/357551503): Implement get and set enabled app function APIs.
		@FlaggedApi(FLAG_ENABLE_APP_FUNCTION_MANAGER)
		@SystemService(Context.APP_FUNCTION_SERVICE)
		public final class AppFunctionManager {
		@@ -111,17 +110,19 @@ public final class AppFunctionManager {
		* @param request the request to execute the app function
		* @param executor the executor to run the callback
		* @param cancellationSignal the cancellation signal to cancel the execution.
		* @param callback the callback to receive the function execution result. if the calling app
		* does not own the app function or does not have {@code
		* @param callback the callback to receive the function execution result.
		* <p>If the calling app does not own the app function or does not have {@code
		* android.permission.EXECUTE_APP_FUNCTIONS_TRUSTED} or {@code
		* android.permission.EXECUTE_APP_FUNCTIONS}, the execution result will contain {@code
		* ExecuteAppFunctionResponse.RESULT_DENIED}.
		* <p>If the caller only has {@code android.permission.EXECUTE_APP_FUNCTIONS} but the
		* function requires {@code android.permission.EXECUTE_APP_FUNCTIONS_TRUSTED}, the execution
		* result will contain {@code ExecuteAppFunctionResponse.RESULT_DENIED}
		* <p>If the function requested for execution is disabled, then the execution result will
		* contain {@code ExecuteAppFunctionResponse.RESULT_DISABLED}
		* <p>If the cancellation signal is issued, the operation is cancelled and no response is
		* returned to the caller.
		*/
		// TODO(b/357551503): Document the behavior when the cancellation signal is issued.
		// TODO(b/360864791): Document that apps can opt-out from being executed by callers with
		// EXECUTE_APP_FUNCTIONS and how a caller knows whether a function is opted out.
		// TODO(b/357551503): Update documentation when get / set APIs are implemented that this will
		// also return RESULT_DENIED if the app function is disabled.
		@RequiresPermission(
		anyOf = {
		Manifest.permission.EXECUTE_APP_FUNCTIONS_TRUSTED,

core/java/android/app/appfunctions/ExecuteAppFunctionRequest.java

+22 −6

Original line number	Diff line number	Diff line
		@@ -50,12 +50,12 @@ public final class ExecuteAppFunctionRequest implements Parcelable {
		}
		};

		/** Returns the package name of the app that hosts the function. */
		/** Returns the package name of the app that hosts/owns the function. */
		@NonNull private final String mTargetPackageName;

		/**
		* Returns the unique string identifier of the app function to be executed. TODO(b/357551503):
		* Document how callers can get the available function identifiers.
		* The unique string identifier of the app function to be executed. This identifier is used to
		* execute a specific app function.
		*/
		@NonNull private final String mFunctionIdentifier;

		@@ -69,8 +69,6 @@ public final class ExecuteAppFunctionRequest implements Parcelable {
		*
		* <p>The document may have missing parameters. Developers are advised to implement defensive
		* handling measures.
		*
		* <p>TODO(b/357551503): Document how function parameters can be obtained for function execution
		*/
		@NonNull private final GenericDocumentWrapper mParameters;

		@@ -91,7 +89,19 @@ public final class ExecuteAppFunctionRequest implements Parcelable {
		return mTargetPackageName;
		}

		/** Returns the unique string identifier of the app function to be executed. */
		/**
		* Returns the unique string identifier of the app function to be executed.
		*
		* <p>When there is a package change or the device starts up, the metadata of available
		* functions is indexed by AppSearch. AppSearch stores the indexed information as {@code
		* AppFunctionStaticMetadata} document.
		*
		* <p>The ID can be obtained by querying the {@code AppFunctionStaticMetadata} documents from
		* AppSearch.
		*
		* <p>If the {@code functionId} provided is invalid, the caller will get an invalid argument
		* response.
		*/
		@NonNull
		public String getFunctionIdentifier() {
		return mFunctionIdentifier;
		@@ -103,6 +113,12 @@ public final class ExecuteAppFunctionRequest implements Parcelable {
		*
		* <p>The bundle may have missing parameters. Developers are advised to implement defensive
		* handling measures.
		*
		* <p>Similar to {@link #getFunctionIdentifier()} the parameters required by a function can be
		* obtained by querying AppSearch for the corresponding {@code AppFunctionStaticMetadata}. This
		* metadata will contain enough information for the caller to resolve the required parameters
		* either using information from the metadata itself or using the AppFunction SDK for function
		* callers.
		*/
		@NonNull
		public GenericDocument getParameters() {

core/java/android/app/appfunctions/ExecuteAppFunctionResponse.java

+6 −5

Original line number	Diff line number	Diff line
		@@ -79,14 +79,15 @@ public final class ExecuteAppFunctionResponse implements Parcelable {
		/** The caller does not have the permission to execute an app function. */
		public static final int RESULT_DENIED = 1;

		/** An unknown error occurred while processing the call in the AppFunctionService. */
		public static final int RESULT_APP_UNKNOWN_ERROR = 2;

		/**
		* An internal error occurred within AppFunctionManagerService.
		* An unknown error occurred while processing the call in the AppFunctionService.
		*
		* <p>This error may be considered similar to {@link IllegalStateException}
		* <p>This error is thrown when the service is connected in the remote application but an
		* unexpected error is thrown from the bound application.
		*/
		public static final int RESULT_APP_UNKNOWN_ERROR = 2;

		/** An internal unexpected error coming from the system. */
		public static final int RESULT_INTERNAL_ERROR = 3;

		/**