1 /** 2 * Copyright (C) 2020 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 package com.android.car.voicecontrol; 17 18 import android.content.Context; 19 import android.content.Intent; 20 import android.os.Bundle; 21 import android.speech.SpeechRecognizer; 22 import android.util.Log; 23 24 import com.android.car.assist.CarVoiceInteractionSession; 25 26 /** 27 * Sample interaction session. Most of the voice interaction business logic is implemented here. 28 * This sample interaction session uses the {@link SpeechRecognizer} API to implement STT. Other 29 * implementations might choose to access the microphone directly and stream the audio to their 30 * backend services. 31 */ 32 public class InteractionSession extends CarVoiceInteractionSession { 33 private static final String TAG = "Mica.Session"; 34 InteractionSession(Context context)35 public InteractionSession(Context context) { 36 super(context); 37 } 38 39 @Override onPrepareShow(Bundle args, int showFlags)40 public void onPrepareShow(Bundle args, int showFlags) { 41 super.onPrepareShow(args, showFlags); 42 setUiEnabled(false); 43 } 44 45 @Override onShow(String action, Bundle args, int showFlags)46 protected void onShow(String action, Bundle args, int showFlags) { 47 Log.i(TAG, "onShow(action: " + action + ", args: " + LogUtils.parcelableToString(args) 48 + ", flags: " + LogUtils.flagsToString(showFlags) + ")"); 49 closeSystemDialogs(); 50 Intent intent = new Intent(getContext(), VoicePlateActivity.class); 51 intent.putExtra(VoicePlateActivity.EXTRA_ACTION, action); 52 intent.putExtra(VoicePlateActivity.EXTRA_ARGS, args); 53 startAssistantActivity(intent); 54 } 55 } 56