Configures FingerprintService to use FingerprintStateCallback to notify

clients of fingerprint sensor state changes

Implements FingerprintStateCallback class to receive notifications of
changes in fingerprint state, and updates ServiceProvider method
signatures and Fingerprint21 accordingly to use this callback type for
authentication, enrollment, and other side fps events. Also defines
FingerprintStateListener class to forward state changes in
fingerprint-related events from FingerprintService to the
SideFpsEventHandler, which defines logic for interactions
between power button state and side fps state.

Test: adb shell dumpsys fingerprint

Bug: 183997671
Change-Id: I9a44e2f31648590c0d0d4d065b68c39c9f204051
This commit is contained in:
“Grace
2021-04-20 05:32:06 +00:00
parent 4a2c94ec5f
commit 02e5b66448
12 changed files with 159 additions and 86 deletions

View File

@@ -23,6 +23,7 @@ import static android.Manifest.permission.TEST_BIOMETRIC;
import static android.Manifest.permission.USE_BIOMETRIC;
import static android.Manifest.permission.USE_BIOMETRIC_INTERNAL;
import static android.Manifest.permission.USE_FINGERPRINT;
import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_POWER_BUTTON;
import android.annotation.IntDef;
import android.annotation.NonNull;
@@ -866,6 +867,19 @@ public class FingerprintManager implements BiometricAuthenticator, BiometricFing
}
}
/**
* Forwards FingerprintStateListener to FingerprintService
* @param listener new FingerprintStateListener being added
* @hide
*/
public void registerFingerprintStateListener(@NonNull FingerprintStateListener listener) {
try {
mService.registerFingerprintStateListener(listener);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* @hide
*/
@@ -967,6 +981,16 @@ public class FingerprintManager implements BiometricAuthenticator, BiometricFing
}
}
/**
* Returns whether the device has a power button fingerprint sensor.
* @return boolean indicating whether power button is fingerprint sensor
* @hide
*/
public boolean isPowerbuttonFps() {
final FingerprintSensorPropertiesInternal sensorProps = getFirstFingerprintSensor();
return sensorProps.sensorType == TYPE_POWER_BUTTON;
}
/**
* @hide
*/

View File

@@ -156,6 +156,6 @@ interface IFingerprintService {
// Sets the controller for managing the UDFPS overlay.
void setUdfpsOverlayController(in IUdfpsOverlayController controller);
// Registers FingerprintStateListener in list stored by FingerprintService
// Registers FingerprintStateListener in list stored by FingerprintService.
void registerFingerprintStateListener(IFingerprintStateListener listener);
}

View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2014 The Android Open Source Project
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -19,7 +19,7 @@ import android.hardware.fingerprint.Fingerprint;
/**
* Communication channel for FingerprintManager to register the FingerprintStateListener
* in FingerprintService
* in FingerprintService.
* @hide
*/
oneway interface IFingerprintStateListener {

View File

@@ -471,7 +471,7 @@ public class BiometricScheduler {
* Adds a {@link BaseClientMonitor} to the pending queue
*
* @param clientMonitor operation to be scheduled
* @param clientCallback optional callback, invoked when the client state changes
* @param clientCallback optional callback, invoked when the client state changes.
*/
public void scheduleClientMonitor(@NonNull BaseClientMonitor clientMonitor,
@Nullable BaseClientMonitor.Callback clientCallback) {

View File

@@ -29,11 +29,6 @@ import static android.hardware.biometrics.BiometricFingerprintConstants.FINGERPR
import static android.hardware.biometrics.BiometricFingerprintConstants.FINGERPRINT_ERROR_USER_CANCELED;
import static android.hardware.biometrics.BiometricFingerprintConstants.FINGERPRINT_ERROR_VENDOR;
import static android.hardware.biometrics.SensorProperties.STRENGTH_STRONG;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_AUTH_OTHER;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_BP_AUTH;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_ENROLLING;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_IDLE;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_KEYGUARD_AUTH;
import android.annotation.NonNull;
import android.annotation.Nullable;
@@ -55,7 +50,6 @@ import android.hardware.fingerprint.Fingerprint;
import android.hardware.fingerprint.FingerprintManager;
import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
import android.hardware.fingerprint.FingerprintServiceReceiver;
import android.hardware.fingerprint.FingerprintStateListener;
import android.hardware.fingerprint.IFingerprintClientActiveCallback;
import android.hardware.fingerprint.IFingerprintService;
import android.hardware.fingerprint.IFingerprintServiceReceiver;
@@ -82,8 +76,6 @@ import com.android.internal.widget.LockPatternUtils;
import com.android.server.ServiceThread;
import com.android.server.SystemService;
import com.android.server.biometrics.Utils;
import com.android.server.biometrics.sensors.AuthenticationClient;
import com.android.server.biometrics.sensors.BaseClientMonitor;
import com.android.server.biometrics.sensors.BiometricServiceCallback;
import com.android.server.biometrics.sensors.ClientMonitorCallbackConverter;
import com.android.server.biometrics.sensors.LockoutResetDispatcher;
@@ -91,7 +83,6 @@ import com.android.server.biometrics.sensors.LockoutTracker;
import com.android.server.biometrics.sensors.fingerprint.aidl.FingerprintProvider;
import com.android.server.biometrics.sensors.fingerprint.hidl.Fingerprint21;
import com.android.server.biometrics.sensors.fingerprint.hidl.Fingerprint21UdfpsMock;
import com.android.server.biometrics.sensors.fingerprint.hidl.FingerprintEnrollClient;
import java.io.FileDescriptor;
import java.io.PrintWriter;
@@ -116,60 +107,13 @@ public class FingerprintService extends SystemService implements BiometricServic
private final FingerprintServiceWrapper mServiceWrapper;
@NonNull private List<ServiceProvider> mServiceProviders;
@NonNull private final FingerprintStateCallback mFingerprintStateCallback;
@NonNull private @FingerprintStateListener.State int mFingerprintState;
private List<IFingerprintStateListener> mFingerprintStateListeners = new ArrayList<>();
/** Callback to receive notifications about changes in fingerprint state. */
public final class FingerprintStateCallback implements BaseClientMonitor.Callback {
@Override
public void onClientStarted(@NonNull BaseClientMonitor client) {
final int previousFingerprintState = mFingerprintState;
if (client instanceof AuthenticationClient) {
AuthenticationClient authClient = (AuthenticationClient) client;
if (authClient.isKeyguard()) {
mFingerprintState = STATE_KEYGUARD_AUTH;
} else if (authClient.isBiometricPrompt()) {
mFingerprintState = STATE_BP_AUTH;
} else {
mFingerprintState = STATE_AUTH_OTHER;
}
} else if (client instanceof FingerprintEnrollClient) {
mFingerprintState = STATE_ENROLLING;
} else {
Slog.w(TAG, "Other authentication client: " + Utils.getClientName(client));
mFingerprintState = STATE_IDLE;
}
Slog.d(TAG, "Fps state updated from " + previousFingerprintState + " to "
+ mFingerprintState + ", client " + client);
notifyFingerprintStateListeners(mFingerprintState);
}
@Override
public void onClientFinished(@NonNull BaseClientMonitor client, boolean success) {
mFingerprintState = STATE_IDLE;
Slog.d(TAG, "Client finished, fps state updated to " + mFingerprintState
+ ", client " + client);
notifyFingerprintStateListeners(mFingerprintState);
}
private void notifyFingerprintStateListeners(@FingerprintStateListener.State int newState) {
for (IFingerprintStateListener listener : mFingerprintStateListeners) {
try {
listener.onStateChanged(newState);
} catch (RemoteException e) {
Slog.e(TAG, "Remote exception in fingerprint state change", e);
}
}
}
}
/**
* Registers FingerprintStateListener in list stored by FingerprintService
* @param listener new FingerprintStateListener being added
*/
public void registerFingerprintStateListener(IFingerprintStateListener listener) {
mFingerprintStateListeners.add(listener);
public void registerFingerprintStateListener(@NonNull IFingerprintStateListener listener) {
mFingerprintStateCallback.registerFingerprintStateListener(listener);
}
/**
@@ -636,7 +580,8 @@ public class FingerprintService extends SystemService implements BiometricServic
: provider.getSensorProperties()) {
pw.println("Dumping for sensorId: " + props.sensorId
+ ", provider: " + provider.getClass().getSimpleName());
pw.println("Fps state: " + mFingerprintState);
pw.println("Fps state: "
+ mFingerprintStateCallback.getFingerprintState());
provider.dumpInternal(props.sensorId, pw);
pw.println();
}
@@ -898,7 +843,6 @@ public class FingerprintService extends SystemService implements BiometricServic
mLockPatternUtils = new LockPatternUtils(context);
mServiceProviders = new ArrayList<>();
mFingerprintStateCallback = new FingerprintStateCallback();
mFingerprintState = STATE_IDLE;
}
@Override

View File

@@ -0,0 +1,105 @@
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.biometrics.sensors.fingerprint;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_AUTH_OTHER;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_BP_AUTH;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_ENROLLING;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_IDLE;
import static android.hardware.fingerprint.FingerprintStateListener.STATE_KEYGUARD_AUTH;
import android.annotation.NonNull;
import android.hardware.fingerprint.FingerprintStateListener;
import android.hardware.fingerprint.IFingerprintStateListener;
import android.os.RemoteException;
import android.util.Slog;
import com.android.server.biometrics.Utils;
import com.android.server.biometrics.sensors.AuthenticationClient;
import com.android.server.biometrics.sensors.BaseClientMonitor;
import com.android.server.biometrics.sensors.fingerprint.hidl.FingerprintEnrollClient;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* A callback for receiving notifications about changes in fingerprint state.
*/
public class FingerprintStateCallback implements BaseClientMonitor.Callback {
private @FingerprintStateListener.State int mFingerprintState;
@NonNull private final CopyOnWriteArrayList<IFingerprintStateListener>
mFingerprintStateListeners = new CopyOnWriteArrayList<>();
public FingerprintStateCallback() {
mFingerprintState = STATE_IDLE;
}
public int getFingerprintState() {
return mFingerprintState;
}
@Override
public void onClientStarted(@NonNull BaseClientMonitor client) {
final int previousFingerprintState = mFingerprintState;
if (client instanceof AuthenticationClient) {
AuthenticationClient authClient = (AuthenticationClient) client;
if (authClient.isKeyguard()) {
mFingerprintState = STATE_KEYGUARD_AUTH;
} else if (authClient.isBiometricPrompt()) {
mFingerprintState = STATE_BP_AUTH;
} else {
mFingerprintState = STATE_AUTH_OTHER;
}
} else if (client instanceof FingerprintEnrollClient) {
mFingerprintState = STATE_ENROLLING;
} else {
Slog.w(FingerprintService.TAG,
"Other authentication client: " + Utils.getClientName(client));
mFingerprintState = STATE_IDLE;
}
Slog.d(FingerprintService.TAG, "Fps state updated from " + previousFingerprintState
+ " to " + mFingerprintState + ", client " + client);
notifyFingerprintStateListeners(mFingerprintState);
}
@Override
public void onClientFinished(@NonNull BaseClientMonitor client, boolean success) {
mFingerprintState = STATE_IDLE;
Slog.d(FingerprintService.TAG,
"Client finished, fps state updated to " + mFingerprintState + ", client "
+ client);
notifyFingerprintStateListeners(mFingerprintState);
}
private void notifyFingerprintStateListeners(@FingerprintStateListener.State int newState) {
for (IFingerprintStateListener listener : mFingerprintStateListeners) {
try {
listener.onStateChanged(newState);
} catch (RemoteException e) {
Slog.e(FingerprintService.TAG, "Remote exception in fingerprint state change", e);
}
}
}
/**
* Enables clients to register a FingerprintStateListener. Used by FingerprintService to forward
* updates in fingerprint sensor state to the SideFpNsEventHandler
* @param listener
*/
public void registerFingerprintStateListener(@NonNull IFingerprintStateListener listener) {
mFingerprintStateListeners.add(listener);
}
}

View File

@@ -87,20 +87,20 @@ public interface ServiceProvider {
void scheduleEnroll(int sensorId, @NonNull IBinder token, byte[] hardwareAuthToken, int userId,
@NonNull IFingerprintServiceReceiver receiver, @NonNull String opPackageName,
@FingerprintManager.EnrollReason int enrollReason,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback);
@NonNull FingerprintStateCallback fingerprintStateCallback);
void cancelEnrollment(int sensorId, @NonNull IBinder token);
void scheduleFingerDetect(int sensorId, @NonNull IBinder token, int userId,
@NonNull ClientMonitorCallbackConverter callback, @NonNull String opPackageName,
int statsClient,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback);
@NonNull FingerprintStateCallback fingerprintStateCallback);
void scheduleAuthenticate(int sensorId, @NonNull IBinder token, long operationId, int userId,
int cookie, @NonNull ClientMonitorCallbackConverter callback,
@NonNull String opPackageName, boolean restricted, int statsClient,
boolean allowBackgroundAuthentication,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback);
@NonNull FingerprintStateCallback fingerprintStateCallback);
void startPreparedClient(int sensorId, int cookie);
@@ -151,6 +151,6 @@ public interface ServiceProvider {
@NonNull
ITestSession createTestSession(int sensorId, @NonNull ITestSessionCallback callback,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback,
@NonNull FingerprintStateCallback fingerprintStateCallback,
@NonNull String opPackageName);
}

View File

@@ -32,7 +32,7 @@ import android.util.Slog;
import com.android.server.biometrics.HardwareAuthTokenUtils;
import com.android.server.biometrics.Utils;
import com.android.server.biometrics.sensors.BaseClientMonitor;
import com.android.server.biometrics.sensors.fingerprint.FingerprintService;
import com.android.server.biometrics.sensors.fingerprint.FingerprintStateCallback;
import com.android.server.biometrics.sensors.fingerprint.FingerprintUtils;
import java.util.HashSet;
@@ -51,7 +51,7 @@ class BiometricTestSessionImpl extends ITestSession.Stub {
@NonNull private final Context mContext;
private final int mSensorId;
@NonNull private final ITestSessionCallback mCallback;
@NonNull private final FingerprintService.FingerprintStateCallback mFingerprintStateCallback;
@NonNull private final FingerprintStateCallback mFingerprintStateCallback;
@NonNull private final FingerprintProvider mProvider;
@NonNull private final Sensor mSensor;
@NonNull private final Set<Integer> mEnrollmentIds;
@@ -117,7 +117,7 @@ class BiometricTestSessionImpl extends ITestSession.Stub {
BiometricTestSessionImpl(@NonNull Context context, int sensorId,
@NonNull ITestSessionCallback callback,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback,
@NonNull FingerprintStateCallback fingerprintStateCallback,
@NonNull FingerprintProvider provider,
@NonNull Sensor sensor) {
mContext = context;

View File

@@ -55,7 +55,7 @@ import com.android.server.biometrics.sensors.ClientMonitorCallbackConverter;
import com.android.server.biometrics.sensors.InvalidationRequesterClient;
import com.android.server.biometrics.sensors.LockoutResetDispatcher;
import com.android.server.biometrics.sensors.PerformanceTracker;
import com.android.server.biometrics.sensors.fingerprint.FingerprintService;
import com.android.server.biometrics.sensors.fingerprint.FingerprintStateCallback;
import com.android.server.biometrics.sensors.fingerprint.FingerprintUtils;
import com.android.server.biometrics.sensors.fingerprint.GestureAvailabilityDispatcher;
import com.android.server.biometrics.sensors.fingerprint.ServiceProvider;
@@ -320,7 +320,7 @@ public class FingerprintProvider implements IBinder.DeathRecipient, ServiceProvi
public void scheduleEnroll(int sensorId, @NonNull IBinder token, byte[] hardwareAuthToken,
int userId, @NonNull IFingerprintServiceReceiver receiver,
@NonNull String opPackageName, @FingerprintManager.EnrollReason int enrollReason,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback) {
@NonNull FingerprintStateCallback fingerprintStateCallback) {
mHandler.post(() -> {
final int maxTemplatesPerUser = mSensors.get(sensorId).getSensorProperties()
.maxEnrollmentsPerUser;
@@ -358,7 +358,7 @@ public class FingerprintProvider implements IBinder.DeathRecipient, ServiceProvi
public void scheduleFingerDetect(int sensorId, @NonNull IBinder token, int userId,
@NonNull ClientMonitorCallbackConverter callback, @NonNull String opPackageName,
int statsClient,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback) {
@NonNull FingerprintStateCallback fingerprintStateCallback) {
mHandler.post(() -> {
final boolean isStrongBiometric = Utils.isStrongBiometric(sensorId);
final FingerprintDetectClient client = new FingerprintDetectClient(mContext,
@@ -374,7 +374,7 @@ public class FingerprintProvider implements IBinder.DeathRecipient, ServiceProvi
int userId, int cookie, @NonNull ClientMonitorCallbackConverter callback,
@NonNull String opPackageName, boolean restricted, int statsClient,
boolean allowBackgroundAuthentication,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback) {
@NonNull FingerprintStateCallback fingerprintStateCallback) {
mHandler.post(() -> {
final boolean isStrongBiometric = Utils.isStrongBiometric(sensorId);
final FingerprintAuthenticationClient client = new FingerprintAuthenticationClient(
@@ -572,7 +572,7 @@ public class FingerprintProvider implements IBinder.DeathRecipient, ServiceProvi
@NonNull
@Override
public ITestSession createTestSession(int sensorId, @NonNull ITestSessionCallback callback,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback,
@NonNull FingerprintStateCallback fingerprintStateCallback,
@NonNull String opPackageName) {
return mSensors.get(sensorId).createTestSession(callback, fingerprintStateCallback);
}

View File

@@ -58,7 +58,7 @@ import com.android.server.biometrics.sensors.RemovalConsumer;
import com.android.server.biometrics.sensors.StartUserClient;
import com.android.server.biometrics.sensors.StopUserClient;
import com.android.server.biometrics.sensors.UserAwareBiometricScheduler;
import com.android.server.biometrics.sensors.fingerprint.FingerprintService;
import com.android.server.biometrics.sensors.fingerprint.FingerprintStateCallback;
import com.android.server.biometrics.sensors.fingerprint.FingerprintUtils;
import com.android.server.biometrics.sensors.fingerprint.GestureAvailabilityDispatcher;
@@ -487,7 +487,7 @@ class Sensor {
}
@NonNull ITestSession createTestSession(@NonNull ITestSessionCallback callback,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback) {
@NonNull FingerprintStateCallback fingerprintStateCallback) {
return new BiometricTestSessionImpl(mContext, mSensorProperties.sensorId, callback,
fingerprintStateCallback, mProvider, this);
}

View File

@@ -31,7 +31,7 @@ import android.util.Slog;
import com.android.server.biometrics.Utils;
import com.android.server.biometrics.sensors.BaseClientMonitor;
import com.android.server.biometrics.sensors.fingerprint.FingerprintService;
import com.android.server.biometrics.sensors.fingerprint.FingerprintStateCallback;
import com.android.server.biometrics.sensors.fingerprint.FingerprintUtils;
import java.util.ArrayList;
@@ -52,7 +52,7 @@ public class BiometricTestSessionImpl extends ITestSession.Stub {
@NonNull private final Context mContext;
private final int mSensorId;
@NonNull private final ITestSessionCallback mCallback;
@NonNull private final FingerprintService.FingerprintStateCallback mFingerprintStateCallback;
@NonNull private final FingerprintStateCallback mFingerprintStateCallback;
@NonNull private final Fingerprint21 mFingerprint21;
@NonNull private final Fingerprint21.HalResultController mHalResultController;
@NonNull private final Set<Integer> mEnrollmentIds;
@@ -118,7 +118,7 @@ public class BiometricTestSessionImpl extends ITestSession.Stub {
BiometricTestSessionImpl(@NonNull Context context, int sensorId,
@NonNull ITestSessionCallback callback,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback,
@NonNull FingerprintStateCallback fingerprintStateCallback,
@NonNull Fingerprint21 fingerprint21,
@NonNull Fingerprint21.HalResultController halResultController) {
mContext = context;

View File

@@ -74,7 +74,7 @@ import com.android.server.biometrics.sensors.LockoutResetDispatcher;
import com.android.server.biometrics.sensors.LockoutTracker;
import com.android.server.biometrics.sensors.PerformanceTracker;
import com.android.server.biometrics.sensors.RemovalConsumer;
import com.android.server.biometrics.sensors.fingerprint.FingerprintService;
import com.android.server.biometrics.sensors.fingerprint.FingerprintStateCallback;
import com.android.server.biometrics.sensors.fingerprint.FingerprintUtils;
import com.android.server.biometrics.sensors.fingerprint.GestureAvailabilityDispatcher;
import com.android.server.biometrics.sensors.fingerprint.ServiceProvider;
@@ -574,7 +574,7 @@ public class Fingerprint21 implements IHwBinder.DeathRecipient, ServiceProvider
@NonNull byte[] hardwareAuthToken, int userId,
@NonNull IFingerprintServiceReceiver receiver, @NonNull String opPackageName,
@FingerprintManager.EnrollReason int enrollReason,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback) {
@NonNull FingerprintStateCallback fingerprintStateCallback) {
mHandler.post(() -> {
scheduleUpdateActiveUserWithoutHandler(userId);
@@ -614,7 +614,7 @@ public class Fingerprint21 implements IHwBinder.DeathRecipient, ServiceProvider
public void scheduleFingerDetect(int sensorId, @NonNull IBinder token, int userId,
@NonNull ClientMonitorCallbackConverter listener, @NonNull String opPackageName,
int statsClient,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback) {
@NonNull FingerprintStateCallback fingerprintStateCallback) {
mHandler.post(() -> {
scheduleUpdateActiveUserWithoutHandler(userId);
@@ -632,7 +632,7 @@ public class Fingerprint21 implements IHwBinder.DeathRecipient, ServiceProvider
int userId, int cookie, @NonNull ClientMonitorCallbackConverter listener,
@NonNull String opPackageName, boolean restricted, int statsClient,
boolean allowBackgroundAuthentication,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback) {
@NonNull FingerprintStateCallback fingerprintStateCallback) {
mHandler.post(() -> {
scheduleUpdateActiveUserWithoutHandler(userId);
@@ -896,7 +896,7 @@ public class Fingerprint21 implements IHwBinder.DeathRecipient, ServiceProvider
@NonNull
@Override
public ITestSession createTestSession(int sensorId, @NonNull ITestSessionCallback callback,
@NonNull FingerprintService.FingerprintStateCallback fingerprintStateCallback,
@NonNull FingerprintStateCallback fingerprintStateCallback,
@NonNull String opPackageName) {
return new BiometricTestSessionImpl(mContext, mSensorProperties.sensorId, callback,
fingerprintStateCallback, this, mHalResultController);