1 /* 2 * Copyright (C) 2021 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.service.voice; 18 19 import android.media.AudioFormat; 20 import android.service.voice.HotwordDetectedResult; 21 import android.service.voice.HotwordDetectionServiceFailure; 22 import android.service.voice.HotwordRejectedResult; 23 24 /** 25 * Callback for returning the detected result from the HotwordDetectionService. 26 * 27 * @hide 28 */ 29 oneway interface IMicrophoneHotwordDetectionVoiceInteractionCallback { 30 31 /** 32 * Called when the detected result is valid. 33 */ onDetected( in HotwordDetectedResult hotwordDetectedResult, in AudioFormat audioFormat, in ParcelFileDescriptor audioStream)34 void onDetected( 35 in HotwordDetectedResult hotwordDetectedResult, 36 in AudioFormat audioFormat, 37 in ParcelFileDescriptor audioStream); 38 39 /** 40 * Called when the detection fails due to an error. 41 */ onHotwordDetectionServiceFailure( in HotwordDetectionServiceFailure hotwordDetectionServiceFailure)42 void onHotwordDetectionServiceFailure( 43 in HotwordDetectionServiceFailure hotwordDetectionServiceFailure); 44 45 /** 46 * Called when the detected result was not detected. 47 */ onRejected( in HotwordRejectedResult hotwordRejectedResult)48 void onRejected( 49 in HotwordRejectedResult hotwordRejectedResult); 50 } 51