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/*
* Copyright (C) 2018 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 android.hardware.biometrics;
import android.os.Bundle;
import android.hardware.biometrics.IBiometricConfirmDeviceCredentialCallback;
import android.hardware.biometrics.IBiometricEnabledOnKeyguardCallback;
import android.hardware.biometrics.IBiometricServiceReceiver;
/**
* Communication channel from BiometricPrompt and BiometricManager to BiometricService. The
* interface does not expose specific biometric modalities. The system will use the default
* biometric for apps. On devices with more than one, the choice is dictated by user preference in
* Settings.
* @hide
*/
interface IBiometricService {
// Requests authentication. The service choose the appropriate biometric to use, and show
// the corresponding BiometricDialog.
// TODO(b/123378871): Remove callback when moved.
void authenticate(IBinder token, long sessionId, int userId,
IBiometricServiceReceiver receiver, String opPackageName, in Bundle bundle,
IBiometricConfirmDeviceCredentialCallback callback);
// Cancel authentication for the given sessionId
void cancelAuthentication(IBinder token, String opPackageName);
// Checks if biometrics can be used.
int canAuthenticate(String opPackageName, int userId);
// Checks if any biometrics are enrolled.
boolean hasEnrolledBiometrics(int userId);
// Register callback for when keyguard biometric eligibility changes.
void registerEnabledOnKeyguardCallback(IBiometricEnabledOnKeyguardCallback callback);
// Explicitly set the active user.
void setActiveUser(int userId);
// Notify BiometricService when <Biometric>Service is ready to start the prepared client.
// Client lifecycle is still managed in <Biometric>Service.
void onReadyForAuthentication(int cookie, boolean requireConfirmation, int userId);
// Reset the lockout when user authenticates with strong auth (e.g. PIN, pattern or password)
void resetLockout(in byte [] token);
// TODO(b/123378871): Remove when moved.
// CDCA needs to send results to BiometricService if it was invoked using BiometricPrompt's
// setAllowDeviceCredential method, since there's no way for us to intercept onActivityResult.
// CDCA is launched from BiometricService (startActivityAsUser) instead of *ForResult.
void onConfirmDeviceCredentialSuccess();
// TODO(b/123378871): Remove when moved.
void onConfirmDeviceCredentialError(int error, String message);
// TODO(b/123378871): Remove when moved.
// When ConfirmLock* is invoked from BiometricPrompt, it needs to register a callback so that
// it can receive the cancellation signal.
void registerCancellationCallback(IBiometricConfirmDeviceCredentialCallback callback);
}
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