1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.security; 18 19 import android.annotation.NonNull; 20 21 /** 22 * Callback class used when signaling that a prompt is no longer being presented. 23 */ 24 public abstract class ConfirmationCallback { 25 /** 26 * Called when the requested prompt was accepted by the user. 27 * 28 * The format of 'dataThatWasConfirmed' parameter is a <a href="http://cbor.io/">CBOR</a> 29 * encoded map (type 5) with (at least) the keys <strong>prompt</strong> and 30 * <strong>extra</strong>. The keys are encoded as CBOR text string (type 3). The value of 31 * promptText is encoded as CBOR text string (type 3), and the value of extraData is encoded as 32 * CBOR byte string (type 2). Other keys may be added in the future. 33 * 34 * @param dataThatWasConfirmed the data that was confirmed, see above for the format. 35 */ onConfirmed(@onNull byte[] dataThatWasConfirmed)36 public void onConfirmed(@NonNull byte[] dataThatWasConfirmed) {} 37 38 /** 39 * Called when the requested prompt was dismissed (not accepted) by the user. 40 */ onDismissed()41 public void onDismissed() {} 42 43 /** 44 * Called when the requested prompt was dismissed by the application. 45 */ onCanceled()46 public void onCanceled() {} 47 48 /** 49 * Called when the requested prompt was dismissed because of a low-level error. 50 * 51 * @param e a throwable representing the error. 52 */ onError(Throwable e)53 public void onError(Throwable e) {} 54 } 55