https://source.android.com/ 
/*
 * Copyright (C) 2012 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.keyguard;

public interface KeyguardSecurityCallback {

    
Dismiss the given security screen.

Params:
  • securityVerified – true if the user correctly entered credentials for the given screen.
  • targetUserId – a user that needs to be the foreground user at the dismissal completion.
/**
     * Dismiss the given security screen.
     * @param securityVerified true if the user correctly entered credentials for the given screen.
     * @param targetUserId a user that needs to be the foreground user at the dismissal completion.
     */
    void dismiss(boolean securityVerified, int targetUserId);

    
Manually report user activity to keep the device awake.

/**
     * Manually report user activity to keep the device awake.
     */
    void userActivity();

    
Checks if keyguard is in "verify credentials" mode.

Returns:true if user has been asked to verify security.
/**
     * Checks if keyguard is in "verify credentials" mode.
     * @return true if user has been asked to verify security.
     */
    boolean isVerifyUnlockOnly();

    
Call to report an unlock attempt.

Params:
  • userId – id of the user whose unlock attempt is recorded.
  • success – set to 'true' if user correctly entered security credentials.
  • timeoutMs – timeout in milliseconds to wait before reattempting an unlock.
                 Only nonzero if 'success' is false
/**
     * Call to report an unlock attempt.
     * @param userId id of the user whose unlock attempt is recorded.
     * @param success set to 'true' if user correctly entered security credentials.
     * @param timeoutMs timeout in milliseconds to wait before reattempting an unlock.
     *                  Only nonzero if 'success' is false
     */
    void reportUnlockAttempt(int userId, boolean success, int timeoutMs);

    
Resets the keyguard view.

/**
     * Resets the keyguard view.
     */
    void reset();
}