Merge "IFingerprint: update comments" into sc-dev am: b09f62d6a6 (d66c3dd1) · Commits · e / os / android_hardware_interfaces

biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IFingerprint.aidl

+10 −10

Original line number	Diff line number	Diff line
		@@ -25,31 +25,31 @@ interface IFingerprint {
		/**
		* getSensorProps:
		*
		* @return A list of properties for all sensors that an instance of the HAL supports.
		* @return A list of properties for all of the fingerprint sensors supported by the HAL.
		*/
		SensorProps[] getSensorProps();

		/**
		* createSession:
		*
		* Creates a instance of ISession which can be used by the framework to perform operations
		* such as ISession#enroll, ISession#authenticate, etc. for the given sensorId and userId.
		* Creates an instance of ISession that can be used by the framework to perform operations such
		* as ISession#enroll, ISession#authenticate, etc. for the given sensorId and userId.
		*
		* Calling this method while there is an active session is considered an error. If the framework
		* wants to create a new session when it already has an active session, it must first cancel the
		* current operation if it's cancellable, or wait until it completes. Then, the framework must
		* current operation if it's cancellable or wait until it completes. Then, the framework must
		* explicitly close the session with ISession#close. Once the framework receives
		* ISessionCallback#onSessionClosed, a new session can be created.
		*
		* Implementations must store user-specific state or metadata in /data/vendor_de/<user>/fpdata
		* as specified by the SeLinux policy. This directory is created/removed by vold (see
		* as specified by the SELinux policy. The directory /data/vendor_de is managed by vold (see
		* vold_prepare_subdirs.cpp). Implementations may store additional user-specific data, such as
		* embeddings or templates in StrongBox.
		* embeddings or templates, in StrongBox.
		*
		* @param sensorId The sensor with which this session is being created.
		* @param userId The userId with which this session is being created.
		* @param cb Used to notify the framework.
		* @return A new session
		* @param sensorId The sensorId for which this session is being created.
		* @param userId The userId for which this session is being created.
		* @param cb A callback to notify the framework about the session's events.
		* @return A new session.
		*/
		ISession createSession(in int sensorId, in int userId, in ISessionCallback cb);
		}

biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISession.aidl

+138 −88

File changed.

Preview size limit exceeded, changes collapsed.

biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISessionCallback.aidl

+14 −14

Original line number	Diff line number	Diff line
		@@ -34,12 +34,12 @@ interface ISessionCallback {

		/**
		* This method must only be used to notify the framework during the following operations:
		* 1) ISession#enroll
		* 2) ISession#authenticate
		* 3) ISession#detectInteraction
		* - ISession#enroll
		* - ISession#authenticate
		* - ISession#detectInteraction
		*
		* These messages may be used to provide user guidance multiple times if necessary per
		* operation.
		* These messages may be used to provide user guidance multiple times per operation if
		* necessary.
		*
		* @param info See the AcquiredInfo enum.
		* @param vendorCode Only valid if info == AcquiredInfo::VENDOR. The vendorCode must be used to
		@@ -51,18 +51,18 @@ interface ISessionCallback {

		/**
		* This method must only be used to notify the framework during the following operations:
		* 1) ISession#enroll
		* 2) ISession#authenticate
		* 3) ISession#detectInteraction
		* 4) ISession#invalidateAuthenticatorId
		* 5) ISession#resetLockout
		* - ISession#enroll
		* - ISession#authenticate
		* - ISession#detectInteraction
		* - ISession#invalidateAuthenticatorId
		* - ISession#resetLockout
		*
		* These messages may be used to notify the framework or user that a non-recoverable error
		* has occurred. The operation is finished, and the HAL can proceed with the next operation
		* or return to the idling state.
		*
		* Note that cancellation (see common::ICancellationSignal) and preemption must be followed with
		* an Error::CANCELED message.
		* Note that cancellation (see common::ICancellationSignal) must be followed with an
		* Error::CANCELED message.
		*
		* @param error See the Error enum.
		* @param vendorCode Only valid if error == Error::VENDOR. The vendorCode must be used to index
		@@ -100,8 +100,8 @@ interface ISessionCallback {
		* This method must only be used to notify the framework during ISession#authenticate.
		*
		* Used to notify the framework upon rejected attempts. Note that the authentication
		* lifecycle ends when either 1) a fingerprint is accepted, or 2) an occurred. The
		* authentication lifecycle does NOT end when a fingerprint is rejected.
		* lifecycle ends when either 1) a fingerprint is accepted, or 2) an error occurred.
		* The authentication lifecycle does NOT end when a fingerprint is rejected.
		*/
		void onAuthenticationFailed();