VoiceDialerActivity.java revision fbc76d73e034753bf284d52f0df766369ae3cb5b
1538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project/* 2ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * Copyright (C) 2010 The Android Open Source Project 3538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * 4538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * you may not use this file except in compliance with the License. 6538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * You may obtain a copy of the License at 7538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * 8538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * 10538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * See the License for the specific language governing permissions and 14538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * limitations under the License. 15538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project */ 16538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 17538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectpackage com.android.voicedialer; 18538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 19538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.app.Activity; 20538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.app.AlertDialog; 21ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.bluetooth.BluetoothHeadset; 22ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.content.BroadcastReceiver; 23ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.content.Context; 24538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.content.DialogInterface; 25ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.content.Intent; 26ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.content.IntentFilter; 27538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.media.AudioManager; 28ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.media.ToneGenerator; 29538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.os.Bundle; 30538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.os.Handler; 31538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.os.SystemProperties; 32538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.os.Vibrator; 33ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.speech.tts.TextToSpeech; 34538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.util.Config; 35538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.util.Log; 36538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.view.View; 37ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.view.WindowManager; 38538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.widget.TextView; 39538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport java.io.File; 401b715dc663bd7155d996576774e487d31bf331f7Martin Hibdonimport java.io.InputStream; 41ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport java.util.HashMap; 42d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdonimport java.io.IOException; 43538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 44538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project/** 457a55150b308ed03d41091e4c3ac693d6eb0ab145mah * TODO: get rid of the anonymous classes 467a55150b308ed03d41091e4c3ac693d6eb0ab145mah * 47538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * This class is the user interface of the VoiceDialer application. 48ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * It begins in the INITIALIZING state. 49ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 50ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * INITIALIZING : 51ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out on events from TTS and the BluetoothHeadset 52ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once TTS initialized and SCO channel set up: 53ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * prompt the user "speak now" 54ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the SPEAKING_GREETING state 55ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 56ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_GREETING: 57ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 58ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once the greeting utterance completes: 59ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin listening for the command using the {@link CommandRecognizerEngine} 60ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the WAITING_FOR_COMMAND state 61ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 62ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * WAITING_FOR_COMMAND : 63ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from the recognizer 64ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * on RecognitionFailure or RecognitionError: 65ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin speaking "try again." 66ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to state SPEAKING_TRY_AGAIN 67ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * on RecognitionSuccess: 68ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * single result: 69ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin speaking the sentence describing the intent 70ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the SPEAKING_CHOSEN_ACTION 71ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * multiple results: 72ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin speaking each of the choices in order 73ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the SPEAKING_CHOICES state 74ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 75ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_TRY_AGAIN: 76ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 77ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once the try again utterance completes: 78ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin listening for the command using the {@link CommandRecognizerEngine} 79ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the LISTENING_FOR_COMMAND state 80ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 81ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_CHOSEN_ACTION: 82ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 83ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once the utterance completes: 84ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * dispatch the intent that was chosen 85ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the EXITING state 86ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * finish the activity 87ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 88ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_CHOICES: 89ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 90ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once the utterance completes: 91ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin listening for the user's choice using the 92ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * {@link PhoneTypeChoiceRecognizerEngine} 93ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the WAITING_FOR_CHOICE state. 94ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 95ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * WAITING_FOR_CHOICE: 96ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from the recognizer 97ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * on RecognitionFailure or RecognitionError: 98ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin speaking the "invalid choice" message, along with the list 99ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * of choices 100ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the SPEAKING_CHOICES state 101ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * on RecognitionSuccess: 102ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * if the result is "try again", prompt the user to say a command, begin 103ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * listening for the command, and transition back to the WAITING_FOR_COMMAND 104ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * state. 105ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * if the result is "exit", then being speaking the "goodbye" message and 106ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * transition to the SPEAKING_GOODBYE state. 107ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * if the result is a valid choice, begin speaking the action chosen,initiate 108ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * the command the user has choose and exit. 109ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * if not a valid choice, speak the "invalid choice" message, begin 110ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * speaking the choices in order again, transition to the 111ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_CHOICES 112ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 113ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_GOODBYE: 114ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 115ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * after a time out, finish the activity. 116ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 117538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project */ 118ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 119538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectpublic class VoiceDialerActivity extends Activity { 120538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 121538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private static final String TAG = "VoiceDialerActivity"; 122538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 123538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private static final String MICROPHONE_EXTRA = "microphone"; 124538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private static final String CONTACTS_EXTRA = "contacts"; 125632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 126ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String SPEAK_NOW_UTTERANCE = "speak_now"; 127ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String TRY_AGAIN_UTTERANCE = "try_again"; 128ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String CHOSEN_ACTION_UTTERANCE = "chose_action"; 129ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String GOODBYE_UTTERANCE = "goodbye"; 130ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String CHOICES_UTTERANCE = "choices"; 131ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 132ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int FIRST_UTTERANCE_DELAY = 300; 133ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int MAX_TTS_DELAY = 6000; 134ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int EXIT_DELAY = 2000; 135ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 136ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int BLUETOOTH_SAMPLE_RATE = 8000; 137ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int REGULAR_SAMPLE_RATE = 11025; 138ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 139ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int INITIALIZING = 0; 140ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_GREETING = 1; 141ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int WAITING_FOR_COMMAND = 2; 142ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_TRY_AGAIN = 3; 143ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_CHOICES = 4; 144ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int WAITING_FOR_CHOICE = 5; 145ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int WAITING_FOR_DIALOG_CHOICE = 6; 146ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_CHOSEN_ACTION = 7; 147ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_GOODBYE = 8; 148ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int EXITING = 9; 149ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 150ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final CommandRecognizerEngine mCommandEngine = 1515f25619fecb3fda9b34f90eb1e333a89ec431583Martin Hibdon new CommandRecognizerEngine(); 152ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final PhoneTypeChoiceRecognizerEngine mPhoneTypeChoiceEngine = 153ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new PhoneTypeChoiceRecognizerEngine(); 15464c64e7c25e6efe31fa53369ec49db442b68ff9amah private CommandRecognizerClient mCommandClient; 155ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private ChoiceRecognizerClient mChoiceClient; 156ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private ToneGenerator mToneGenerator; 157538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private Handler mHandler; 158538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private Thread mRecognizerThread = null; 159538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private AudioManager mAudioManager; 160ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private BluetoothHeadset mBluetoothHeadset; 161ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private TextToSpeech mTts; 162ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private HashMap<String, String> mTtsParams; 163ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private VoiceDialerBroadcastReceiver mReceiver; 164ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mBluetoothAudioState; 165ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private boolean mWaitingForTts; 166ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private boolean mWaitingForScoConnection; 167ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private Intent[] mAvailableChoices; 168ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private Intent mChosenAction; 169ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mBluetoothVoiceVolume; 170ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mState; 1714a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon private AlertDialog mAlertDialog; 172ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private Runnable mFallbackRunnable; 173ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private boolean mUsingBluetooth = false; 174ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mSampleRate; 175538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 176538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project @Override 177538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project protected void onCreate(Bundle icicle) { 178ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon if (Config.LOGD) Log.d(TAG, "onCreate"); 179538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project super.onCreate(icicle); 180538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project mHandler = new Handler(); 181538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project mAudioManager = (AudioManager)getSystemService(AUDIO_SERVICE); 182ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon mToneGenerator = new ToneGenerator(AudioManager.STREAM_RING, 183ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon ToneGenerator.MAX_VOLUME); 184ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon } 185ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon 186ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon protected void onStart() { 187ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onStart " + getIntent()); 188ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon super.onStart(); 189ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 190ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = INITIALIZING; 191ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction = null; 1922abf40fd5f901da1b6168aa778cbf7e6713a1e9bMartin Hibdon mAudioManager.requestAudioFocus( 1932abf40fd5f901da1b6168aa778cbf7e6713a1e9bMartin Hibdon null, AudioManager.STREAM_MUSIC, 1942abf40fd5f901da1b6168aa778cbf7e6713a1e9bMartin Hibdon AudioManager.AUDIOFOCUS_GAIN_TRANSIENT); 195be1584eb7e59c391a45aa21fb5e65ada1aedae9aDave Sparks 196ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // set this flag so this activity will stay in front of the keyguard 197ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int flags = WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED; 198ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon getWindow().addFlags(flags); 19964c64e7c25e6efe31fa53369ec49db442b68ff9amah 200538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project // open main window 201538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project setTheme(android.R.style.Theme_Dialog); 202538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project setTitle(R.string.title); 203538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project setContentView(R.layout.voice_dialing); 204538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project findViewById(R.id.microphone_view).setVisibility(View.INVISIBLE); 205538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project findViewById(R.id.retry_view).setVisibility(View.INVISIBLE); 206538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project findViewById(R.id.microphone_loading_view).setVisibility(View.VISIBLE); 207538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project if (RecognizerLogger.isEnabled(this)) { 208ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView) findViewById(R.id.substate)).setText(R.string.logging_enabled); 209538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 210632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 211ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Get handle to BluetoothHeadset object 212ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon IntentFilter audioStateFilter; 213ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon audioStateFilter = new IntentFilter(); 214ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon audioStateFilter.addAction(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED); 215ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mReceiver = new VoiceDialerBroadcastReceiver(); 216ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon registerReceiver(mReceiver, audioStateFilter); 217538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 218ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setContactsFile(newFile(getArg(CONTACTS_EXTRA))); 219ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setMinimizeResults(true); 220ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setAllowOpenEntries(false); 221ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandClient = new CommandRecognizerClient(); 222ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChoiceClient = new ChoiceRecognizerClient(); 223538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 224ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothAudioState = BluetoothHeadset.STATE_ERROR; 225632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 226fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon if (BluetoothHeadset.isBluetoothVoiceDialingEnabled(this)) { 227ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset = new BluetoothHeadset(this, 228ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadsetServiceListener); 229ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 230fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mUsingBluetooth = false; 231fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon if (Config.LOGD) Log.d(TAG, "bluetooth unavailable"); 232ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mSampleRate = REGULAR_SAMPLE_RATE; 233ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setMinimizeResults(false); 234ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setAllowOpenEntries(true); 235ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 236ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we're not using bluetooth apparently, just start listening. 237ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForCommand(); 238ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 239fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon 240538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 241632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 242ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class ErrorRunnable implements Runnable { 243ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mErrorMsg; 244ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public ErrorRunnable(int errorMsg) { 245ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mErrorMsg = errorMsg; 246ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 2475f25619fecb3fda9b34f90eb1e333a89ec431583Martin Hibdon 248ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 249ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // put up an error and exit 250ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeCallbacks(mMicFlasher); 251ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView)findViewById(R.id.state)).setText(R.string.failure); 252ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView)findViewById(R.id.substate)).setText(mErrorMsg); 253ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView)findViewById(R.id.substate)).setText( 254ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon R.string.headset_connection_lost); 255ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.microphone_view).setVisibility(View.INVISIBLE); 256ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.retry_view).setVisibility(View.VISIBLE); 257ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 258ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 259ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (!mUsingBluetooth) { 260ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon playSound(ToneGenerator.TONE_PROP_NACK); 261538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 262ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 263538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 264632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 265ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class OnTtsCompletionRunnable implements Runnable { 266ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private boolean mFallback; 267632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 268ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon OnTtsCompletionRunnable(boolean fallback) { 269ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallback = fallback; 270538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 271538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 272ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 273ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mFallback) { 274ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.e(TAG, "utterance completion not delivered, using fallback"); 275ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 276ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "onTtsCompletionRunnable"); 277ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mState == SPEAKING_GREETING || mState == SPEAKING_TRY_AGAIN) { 278ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForCommand(); 279ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if (mState == SPEAKING_CHOICES) { 280ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForChoice(); 281ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if (mState == SPEAKING_GOODBYE) { 282ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = EXITING; 283ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 284ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if (mState == SPEAKING_CHOSEN_ACTION) { 285ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = EXITING; 286ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon startActivityHelp(mChosenAction); 287ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 288ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 289538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 290538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 291632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 292ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class GreetingRunnable implements Runnable { 293ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 294ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_GREETING; 295ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 296ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon SPEAK_NOW_UTTERANCE); 297ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(getString(R.string.speak_now_tts), 298ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 299ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 300ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, we will begin listening for the command after the 301ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 302ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable to fire 303ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the intent. 304ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 305ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 306ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 307ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 3082abf40fd5f901da1b6168aa778cbf7e6713a1e9bMartin Hibdon 309ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class TtsInitListener implements TextToSpeech.OnInitListener { 310ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onInit(int status) { 311ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // status can be either TextToSpeech.SUCCESS or TextToSpeech.ERROR. 312ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onInit for tts"); 313ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (status != TextToSpeech.SUCCESS) { 314ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Initialization failed. 315ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.e(TAG, "Could not initialize TextToSpeech."); 316ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable(R.string.recognition_error)); 317ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 318ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 319ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 320632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 321ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mTts == null) { 322ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.e(TAG, "null tts"); 323ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable(R.string.recognition_error)); 324ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 325ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 326538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 327632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 328ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.setOnUtteranceCompletedListener(new OnUtteranceCompletedListener()); 329ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 330ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // The TTS engine has been successfully initialized. 331ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mWaitingForTts = false; 332ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 333ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // TTS over bluetooth is really loud, 334ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Limit volume to -18dB. Stream volume range represents approximately 50dB 335ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // (See AudioSystem.cpp linearToLog()) so the number of steps corresponding 336ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // to 18dB is 18 / (50 / maxSteps). 337ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothVoiceVolume = mAudioManager.getStreamVolume( 338ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon AudioManager.STREAM_BLUETOOTH_SCO); 339ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int maxVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_BLUETOOTH_SCO); 340ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int volume = maxVolume - ((18 / (50/maxVolume)) + 1); 341ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mBluetoothVoiceVolume > volume) { 342ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAudioManager.setStreamVolume(AudioManager.STREAM_BLUETOOTH_SCO, volume, 0); 343ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 344632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 345ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mWaitingForScoConnection) { 346ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the bluetooth connection is not up yet, still waiting. 347ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 348ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we now have SCO connection and TTS, so we can start. 349ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(new GreetingRunnable(), FIRST_UTTERANCE_DELAY); 350ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 351538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 352538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 353632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 354ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class OnUtteranceCompletedListener 355ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon implements TextToSpeech.OnUtteranceCompletedListener { 356ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onUtteranceCompleted(String utteranceId) { 357fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon if (Config.LOGD) Log.d(TAG, "onUtteranceCompleted " + utteranceId); 358ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // since the utterance has completed, we no longer need the fallback. 359ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeCallbacks(mFallbackRunnable); 360ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = null; 361ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new OnTtsCompletionRunnable(false)); 362ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 363538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 364538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 365ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private BluetoothHeadset.ServiceListener mBluetoothHeadsetServiceListener = 366ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new BluetoothHeadset.ServiceListener() { 367ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onServiceConnected() { 368fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon if (Config.LOGD) Log.d(TAG, "headset status " + mBluetoothHeadset.getState()); 369fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon 370fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon if (mBluetoothHeadset.getState() == BluetoothHeadset.STATE_CONNECTED) { 371fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon if (Config.LOGD) Log.d(TAG, "using bluetooth"); 372fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mUsingBluetooth = true; 373fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon 374ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset.startVoiceRecognition(); 375fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon 376fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mSampleRate = BLUETOOTH_SAMPLE_RATE; 377fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mCommandEngine.setMinimizeResults(true); 378fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mCommandEngine.setAllowOpenEntries(false); 379fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon 380fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon // we can't start recognizing until we get connected to the BluetoothHeadset 381fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon // and have a connected audio state. We will listen for these 382fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon // states to change. 383fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mWaitingForScoConnection = true; 384fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon 385fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon // initialize the text to speech system 386fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mWaitingForTts = true; 387fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mTts = new TextToSpeech(VoiceDialerActivity.this, new TtsInitListener()); 388fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mTtsParams = new HashMap<String, String>(); 389fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_STREAM, 390fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon String.valueOf(AudioManager.STREAM_VOICE_CALL)); 391fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon // we need to wait for the TTS system and the SCO connection 392fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon // before we can start listening. 393fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon } else { 394fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon if (Config.LOGD) Log.d(TAG, "not using bluetooth"); 395fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mUsingBluetooth = false; 396fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mSampleRate = REGULAR_SAMPLE_RATE; 397fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mCommandEngine.setMinimizeResults(false); 398fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon mCommandEngine.setAllowOpenEntries(true); 399fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon 400fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon // we're not using bluetooth apparently, just start listening. 401fbc76d73e034753bf284d52f0df766369ae3cb5bMartin Hibdon listenForCommand(); 402ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 403538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 404ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onServiceConnected"); 405538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 406ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onServiceDisconnected() {} 407538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project }; 408538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 409ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private class VoiceDialerBroadcastReceiver extends BroadcastReceiver { 410ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon @Override 411ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onReceive(Context context, Intent intent) { 412ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String action = intent.getAction(); 413ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) { 414ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothAudioState = intent.getIntExtra( 415ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon BluetoothHeadset.EXTRA_AUDIO_STATE, 416ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon BluetoothHeadset.STATE_ERROR); 417ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "HEADSET AUDIO_STATE_CHANGED -> " + 418ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothAudioState); 419ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 420ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mBluetoothAudioState == BluetoothHeadset.AUDIO_STATE_CONNECTED && 421ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mWaitingForScoConnection) { 422ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // SCO channel has just become available. 423ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mWaitingForScoConnection = false; 424ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mWaitingForTts) { 425ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // still waiting for the TTS to be set up. 426ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 427ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we now have SCO connection and TTS, so we can start. 428ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(new GreetingRunnable(), FIRST_UTTERANCE_DELAY); 429ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 430ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 431ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (!mWaitingForScoConnection) { 432ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // apparently our connection to the headset has dropped. 433ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we won't be able to continue voicedialing. 434ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "lost sco connection"); 4354a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 436ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable( 437ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon R.string.headset_connection_lost)); 4384a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 439ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 440ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 441ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4424a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 443ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 444ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4454a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 446ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void askToTryAgain() { 447ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // get work off UAPI thread 448ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new Runnable() { 449ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 450ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mAlertDialog != null) { 451ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAlertDialog.dismiss(); 452ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4534a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 454ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeCallbacks(mMicFlasher); 455ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView)findViewById(R.id.state)).setText(R.string.please_try_again); 456ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.state).setVisibility(View.VISIBLE); 457ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.microphone_view).setVisibility(View.INVISIBLE); 458ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.retry_view).setVisibility(View.VISIBLE); 459ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 460ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 461ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_TRY_AGAIN; 462ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 463ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TRY_AGAIN_UTTERANCE); 464ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(getString(R.string.no_results_tts), 465ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 466ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 467ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 468ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, the we will start listening after the 469ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 470ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable to fire 471ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the intent. 472ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 473ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 474ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 475ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon try { 476ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Thread.sleep(playSound(ToneGenerator.TONE_PROP_NACK)); 477ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } catch (InterruptedException e) { 478ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 479ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we are not using tts, so we just start listening again. 480ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForCommand(); 481ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4824a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 483ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }); 484ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4854a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 486ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void performChoice() { 487ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 488ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String sentenceSpoken = spaceOutDigits( 489ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction.getStringExtra( 490ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SENTENCE_EXTRA)); 491ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 492ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_CHOSEN_ACTION; 493ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 494ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon CHOSEN_ACTION_UTTERANCE); 495ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(sentenceSpoken, 496ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 497ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 498ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 499ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, the intent will be dispatched after the 500ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 501ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable to fire 502ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the intent. 503ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 504ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 505ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 506ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // just dispatch the intent 507ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon startActivityHelp(mChosenAction); 508ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 5094a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 510ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 5114a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 512ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void waitForChoice() { 513ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 514ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // We are running in bluetooth mode, and we have 515ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // multiple matches. Speak the choices and let 516ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the user choose. 517ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 518ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // We will not start listening until the utterance 519ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // of the choice list completes. 520ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon speakChoices(); 521ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 522ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, listening will begin after the 523ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 524ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable to begin 525ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // listening. 526ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 527ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 528ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 529ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // We are not running in bluetooth mode, so all 530ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we need to do is wait for the user to select 531ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // a choice from the alert dialog. We will wait 532ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // indefinitely for this. 533ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = WAITING_FOR_DIALOG_CHOICE; 534ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 5354a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 5364a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 53764c64e7c25e6efe31fa53369ec49db442b68ff9amah private class CommandRecognizerClient implements RecognizerClient { 538ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon static final int MIN_VOLUME_TO_SKIP = 2; 539ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon /** 54064c64e7c25e6efe31fa53369ec49db442b68ff9amah * Called by the {@link RecognizerEngine} when the microphone is started. 54164c64e7c25e6efe31fa53369ec49db442b68ff9amah */ 5421b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon public void onMicrophoneStart(InputStream mic) { 54364c64e7c25e6efe31fa53369ec49db442b68ff9amah if (Config.LOGD) Log.d(TAG, "onMicrophoneStart"); 544ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 545ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (!mUsingBluetooth) { 546ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon playSound(ToneGenerator.TONE_PROP_BEEP); 547ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 548ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int ringVolume = mAudioManager.getStreamVolume( 549ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon AudioManager.STREAM_RING); 550ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "ringVolume " + ringVolume); 551ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 552ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (ringVolume >= MIN_VOLUME_TO_SKIP) { 553ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // now we're playing a sound, and corrupting the input sample. 554ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // So we need to pull that junk off of the input stream so that the 555ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // recognizer won't see it. 556ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon try { 557ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon skipBeep(mic); 558ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } catch (java.io.IOException e) { 559ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.e(TAG, "IOException " + e); 560ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 561ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 562ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "no tone"); 563d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 5641b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon } 565632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 56664c64e7c25e6efe31fa53369ec49db442b68ff9amah mHandler.post(new Runnable() { 56764c64e7c25e6efe31fa53369ec49db442b68ff9amah public void run() { 568ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.retry_view).setVisibility(View.INVISIBLE); 569ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.microphone_loading_view).setVisibility( 570ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon View.INVISIBLE); 57164c64e7c25e6efe31fa53369ec49db442b68ff9amah ((TextView)findViewById(R.id.state)).setText(R.string.listening); 57264c64e7c25e6efe31fa53369ec49db442b68ff9amah mHandler.post(mMicFlasher); 57364c64e7c25e6efe31fa53369ec49db442b68ff9amah } 57464c64e7c25e6efe31fa53369ec49db442b68ff9amah }); 57564c64e7c25e6efe31fa53369ec49db442b68ff9amah } 576538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 577d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon /** 578d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon * Beep detection 579d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon */ 580d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int START_WINDOW_MS = 500; // Beep detection window duration in ms 581d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int SINE_FREQ = 400; // base sine frequency on beep 582d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int NUM_PERIODS_BLOCK = 10; // number of sine periods in one energy averaging block 583d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int THRESHOLD = 8; // absolute pseudo energy threshold 584d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int START = 0; // beep detection start 585d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int RISING = 1; // beep rising edge start 586d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int TOP = 2; // beep constant energy detected 587d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 588d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon void skipBeep(InputStream is) throws IOException { 589ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int sampleCount = ((mSampleRate / SINE_FREQ) * NUM_PERIODS_BLOCK); 590d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int blockSize = 2 * sampleCount; // energy averaging block 591d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 592d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (is == null || blockSize == 0) { 593d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon return; 594d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 595d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 596d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon byte[] buf = new byte[blockSize]; 597ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int maxBytes = 2 * ((START_WINDOW_MS * mSampleRate) / 1000); 598d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon maxBytes = ((maxBytes-1) / blockSize + 1) * blockSize; 599d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 600d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int count = 0; 601d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int state = START; // detection state 602d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long prevE = 0; // previous pseudo energy 603d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long peak = 0; 604d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int threshold = THRESHOLD*sampleCount; // absolute energy threshold 605d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon Log.d(TAG, "blockSize " + blockSize); 606d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 607d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon while (count < maxBytes) { 608d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int cnt = 0; 609d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon while (cnt < blockSize) { 610d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int n = is.read(buf, cnt, blockSize-cnt); 611d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (n < 0) { 612d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon throw new java.io.IOException(); 613d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 614d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon cnt += n; 615d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 616d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 617d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // compute pseudo energy 618d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon cnt = blockSize; 619d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long sumx = 0; 620d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long sumxx = 0; 621d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon while (cnt >= 2) { 622d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon short smp = (short)((buf[cnt - 1] << 8) + (buf[cnt - 2] & 0xFF)); 623d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon sumx += smp; 624d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon sumxx += smp*smp; 625d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon cnt -= 2; 6261b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon } 627d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long energy = (sumxx*sampleCount - sumx*sumx)/(sampleCount*sampleCount); 628d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon Log.d(TAG, "sumx " + sumx + " sumxx " + sumxx + " ee " + energy); 629d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 630d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon switch (state) { 631d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon case START: 632d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (energy > threshold && energy > (prevE * 2) && prevE != 0) { 633d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // rising edge if energy doubled and > abs threshold 634d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon state = RISING; 635ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "start RISING: " + count +" time: "+ (((1000*count)/2)/mSampleRate)); 636d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 637d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon break; 638d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon case RISING: 639d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (energy < threshold || energy < (prevE / 2)){ 640d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // energy fell back below half of previous, back to start 641ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "back to START: " + count +" time: "+ (((1000*count)/2)/mSampleRate)); 642d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon peak = 0; 643d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon state = START; 644d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } else if (energy > (prevE / 2) && energy < (prevE * 2)) { 645d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // Start of constant energy 646ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "start TOP: " + count +" time: "+ (((1000*count)/2)/mSampleRate)); 647d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (peak < energy) { 648d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon peak = energy; 649d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 650d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon state = TOP; 651d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 652d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon break; 653d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon case TOP: 654d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (energy < threshold || energy < (peak / 2)) { 655d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // e went to less than half of the peak 656ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "end TOP: " + count +" time: "+ (((1000*count)/2)/mSampleRate)); 657d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon return; 658d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 659d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon break; 660d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 661d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon prevE = energy; 662d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon count += blockSize; 6631b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon } 664d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (Config.LOGD) Log.d(TAG, "no beep detected, timed out"); 6651b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon } 6661b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon 66764c64e7c25e6efe31fa53369ec49db442b68ff9amah /** 66864c64e7c25e6efe31fa53369ec49db442b68ff9amah * Called by the {@link RecognizerEngine} if the recognizer fails. 66964c64e7c25e6efe31fa53369ec49db442b68ff9amah */ 67064c64e7c25e6efe31fa53369ec49db442b68ff9amah public void onRecognitionFailure(final String msg) { 67164c64e7c25e6efe31fa53369ec49db442b68ff9amah if (Config.LOGD) Log.d(TAG, "onRecognitionFailure " + msg); 672ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we had zero results. Just try again. 673ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon askToTryAgain(); 67464c64e7c25e6efe31fa53369ec49db442b68ff9amah } 675538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 67664c64e7c25e6efe31fa53369ec49db442b68ff9amah /** 67764c64e7c25e6efe31fa53369ec49db442b68ff9amah * Called by the {@link RecognizerEngine} on an internal error. 67864c64e7c25e6efe31fa53369ec49db442b68ff9amah */ 67964c64e7c25e6efe31fa53369ec49db442b68ff9amah public void onRecognitionError(final String msg) { 68064c64e7c25e6efe31fa53369ec49db442b68ff9amah if (Config.LOGD) Log.d(TAG, "onRecognitionError " + msg); 681ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable(R.string.recognition_error)); 682ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 68364c64e7c25e6efe31fa53369ec49db442b68ff9amah } 684538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 68564c64e7c25e6efe31fa53369ec49db442b68ff9amah /** 68664c64e7c25e6efe31fa53369ec49db442b68ff9amah * Called by the {@link RecognizerEngine} when is succeeds. If there is 68764c64e7c25e6efe31fa53369ec49db442b68ff9amah * only one item, then the Intent is dispatched immediately. 68864c64e7c25e6efe31fa53369ec49db442b68ff9amah * If there are more, then an AlertDialog is displayed and the user is 68964c64e7c25e6efe31fa53369ec49db442b68ff9amah * prompted to select. 69064c64e7c25e6efe31fa53369ec49db442b68ff9amah * @param intents a list of Intents corresponding to the sentences. 69164c64e7c25e6efe31fa53369ec49db442b68ff9amah */ 69264c64e7c25e6efe31fa53369ec49db442b68ff9amah public void onRecognitionSuccess(final Intent[] intents) { 693ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "CommandRecognizerClient onRecognitionSuccess " + 694ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon intents.length); 695ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mState != WAITING_FOR_COMMAND) { 696ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "not waiting for command, ignoring"); 697ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 698ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 69964c64e7c25e6efe31fa53369ec49db442b68ff9amah 700ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // store the intents in a member variable so that we can access it 701ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // later when the user chooses which action to perform. 702ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAvailableChoices = intents; 70364c64e7c25e6efe31fa53369ec49db442b68ff9amah 704ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new Runnable() { 70564c64e7c25e6efe31fa53369ec49db442b68ff9amah public void run() { 706ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (!mUsingBluetooth) { 707ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon playSound(ToneGenerator.TONE_PROP_ACK); 708ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 70964c64e7c25e6efe31fa53369ec49db442b68ff9amah mHandler.removeCallbacks(mMicFlasher); 71064c64e7c25e6efe31fa53369ec49db442b68ff9amah 711ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String[] sentences = new String[intents.length]; 712ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon for (int i = 0; i < intents.length; i++) { 713ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon sentences[i] = intents[i].getStringExtra( 714ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SENTENCE_EXTRA); 715ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 71664c64e7c25e6efe31fa53369ec49db442b68ff9amah 717ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (intents.length == 0) { 718ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon onRecognitionFailure("zero intents"); 719ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 720ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 721ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 722ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (intents.length > 0) { 723ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // see if we the response was "exit" or "cancel". 724ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String value = intents[0].getStringExtra( 725ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SEMANTIC_EXTRA); 726ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "value " + value); 727ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if ("X".equals(value)) { 728ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 729ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 730ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 731ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 732ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 733ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth && 734ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon (intents.length == 1 || 735ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon !Intent.ACTION_CALL_PRIVILEGED.equals( 736ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon intents[0].getAction()))) { 737ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // When we're running in bluetooth mode, we expect 738ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // that the user is not looking at the screen and cannot 739ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // interact with the device in any way besides voice 740ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // commands. In this case we need to minimize how many 741ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // interactions the user has to perform in order to call 742ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // someone. 743ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // So if there is only one match, instead of making the 744ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // user confirm, we just assume it's correct, speak 745ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the choice over TTS, and then dispatch it. 746ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // If there are multiple matches for some intent type 747ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // besides "call", it's too difficult for the user to 748ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // explain which one they meant, so we just take the highest 749ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // confidence match and dispatch that. 750ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 751ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Speak the sentence for the action we are about 752ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // to dispatch so that the user knows what is happening. 753ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction = intents[0]; 754ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon performChoice(); 755ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 756ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 757ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 758ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Either we are not running in bluetooth mode, 759ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // or we had multiple matches. Either way, we need 760ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the user to confirm the choice. 761ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Put up a dialog from which the user can select 762ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // his/her choice. 763ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon DialogInterface.OnCancelListener cancelListener = 764ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new DialogInterface.OnCancelListener() { 765ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 766ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onCancel(DialogInterface dialog) { 767ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) { 768ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "cancelListener.onCancel"); 769ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 770ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon dialog.dismiss(); 771ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 772ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 773ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 774ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 775ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon DialogInterface.OnClickListener clickListener = 776ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new DialogInterface.OnClickListener() { 777ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 778ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onClick(DialogInterface dialog, int which) { 779ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) { 780ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "clickListener.onClick " + which); 781ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 782ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon startActivityHelp(intents[which]); 783ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon dialog.dismiss(); 784ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 785ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 786ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 787ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 788ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon DialogInterface.OnClickListener negativeListener = 789ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new DialogInterface.OnClickListener() { 790ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 791ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onClick(DialogInterface dialog, int which) { 792ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) { 793ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "negativeListener.onClick " + 794ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon which); 795ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 796ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon dialog.dismiss(); 797ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 79864c64e7c25e6efe31fa53369ec49db442b68ff9amah } 799ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 800ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 801ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAlertDialog = 802ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new AlertDialog.Builder(VoiceDialerActivity.this) 803ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .setTitle(R.string.title) 804ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .setItems(sentences, clickListener) 805ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .setOnCancelListener(cancelListener) 806ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .setNegativeButton(android.R.string.cancel, 807ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon negativeListener) 808ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .show(); 809ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 810ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon waitForChoice(); 811538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 812538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 81364c64e7c25e6efe31fa53369ec49db442b68ff9amah }); 81464c64e7c25e6efe31fa53369ec49db442b68ff9amah } 815538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 816632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 817ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private class ChoiceRecognizerClient implements RecognizerClient { 818ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onRecognitionSuccess(final Intent[] intents) { 819ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "ChoiceRecognizerClient onRecognitionSuccess"); 820ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mState != WAITING_FOR_CHOICE) { 821ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "not waiting for choice, ignoring"); 822ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 823ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 824ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 825ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mAlertDialog != null) { 826ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAlertDialog.dismiss(); 827ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 828ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 829ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // disregard all but the first intent. 830ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (intents.length > 0) { 831ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String value = intents[0].getStringExtra( 832ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SEMANTIC_EXTRA); 833ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "value " + value); 834ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if ("R".equals(value)) { 835ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 836ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new GreetingRunnable()); 837ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 838ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForCommand(); 839ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 840ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if ("X".equals(value)) { 841ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 842ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 843ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // it's a phone type response 844ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction = null; 845ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon for (int i = 0; i < mAvailableChoices.length; i++) { 846ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (value.equalsIgnoreCase( 847ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAvailableChoices[i].getStringExtra( 848ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon CommandRecognizerEngine.PHONE_TYPE_EXTRA))) { 849ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction = mAvailableChoices[i]; 850ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 851ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 852ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 853ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mChosenAction != null) { 854ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon performChoice(); 855ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 856ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // invalid choice 857ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "invalid choice" + value); 858ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 859ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 860ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.remove(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID); 861ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(getString(R.string.invalid_choice_tts), 862ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 863ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 864ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 865ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon waitForChoice(); 866ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 867ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 868ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 869ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 870ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 871ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onRecognitionFailure(String msg) { 872ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "ChoiceRecognizerClient onRecognitionFailure"); 873ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 874ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 875ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 876ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onRecognitionError(String err) { 877ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "ChoiceRecognizerClient onRecognitionError"); 878ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable(R.string.recognition_error)); 879ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 880ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 881ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 882ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onMicrophoneStart(InputStream mic) { 883ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "ChoiceRecognizerClient onMicrophoneStart"); 884ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 885ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 886ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 887ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void speakChoices() { 888ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "speakChoices"); 889ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_CHOICES; 890ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 891ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String sentenceSpoken = spaceOutDigits( 892ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAvailableChoices[0].getStringExtra( 893ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SENTENCE_EXTRA)); 894ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 895ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // When we have multiple choices, they will be of the form 896ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // "call jack jones at home", "call jack jones on mobile". 897ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Speak the entire first sentence, then the last word from each 898ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // of the remaining sentences. This will come out to something 899ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // like "call jack jones at home mobile or work". 900ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon StringBuilder builder = new StringBuilder(); 901ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(sentenceSpoken); 902ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 903ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int count = mAvailableChoices.length; 904ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon for (int i=1; i < count; i++) { 905ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (i == count-1) { 906ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(" or "); 907ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 908ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(" "); 909ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 910ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String tmpSentence = mAvailableChoices[i].getStringExtra( 911ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SENTENCE_EXTRA); 912ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String[] words = tmpSentence.trim().split(" "); 913ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(words[words.length-1]); 914ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 915ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 916ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon CHOICES_UTTERANCE); 917ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(builder.toString(), 918ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_ADD, 919ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 920ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 921ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 922ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 923ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static String spaceOutDigits(String sentenceDisplay) { 924ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // if we have a sentence of the form "dial 123 456 7890", 925ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we need to insert a space between each digit, otherwise 926ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the TTS engine will say "dial one hundred twenty three...." 927ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // When there already is a space, we also insert a comma, 928ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // so that it pauses between sections. For the displayable 929ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // sentence "dial 123 456 7890" it will speak 930ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // "dial 1 2 3, 4 5 6, 7 8 9 0" 931ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon char buffer[] = sentenceDisplay.toCharArray(); 932ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon StringBuilder builder = new StringBuilder(); 933ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon boolean buildingNumber = false; 934ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int l = sentenceDisplay.length(); 935ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon for (int index = 0; index < l; index++) { 936ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon char c = buffer[index]; 937ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Character.isDigit(c)) { 938ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (buildingNumber) { 939ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(" "); 940ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 941ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon buildingNumber = true; 942ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(c); 943ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if (c == ' ') { 944ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (buildingNumber) { 945ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(","); 946ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 947ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(" "); 948ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 949ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 950ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon buildingNumber = false; 951ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(c); 952ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 953ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 954ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return builder.toString(); 955ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 956ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 9574a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon private void startActivityHelp(Intent intent) { 958ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon startActivity(intent); 959ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 960ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 961ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void listenForCommand() { 962ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "" 963ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon + "Command(): MICROPHONE_EXTRA: "+getArg(MICROPHONE_EXTRA)+ 964ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ", CONTACTS_EXTRA: "+getArg(CONTACTS_EXTRA)); 965ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 966ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = WAITING_FOR_COMMAND; 967ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread = new Thread() { 968ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 969ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.recognize(mCommandClient, 970ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon VoiceDialerActivity.this, 971ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon newFile(getArg(MICROPHONE_EXTRA)), 972ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mSampleRate); 973ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 974ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 975ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread.start(); 976ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 977ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 978ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void listenForChoice() { 979ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "listenForChoice(): MICROPHONE_EXTRA: " + 980ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon getArg(MICROPHONE_EXTRA)); 981ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 982ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = WAITING_FOR_CHOICE; 983ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread = new Thread() { 984ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 985ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mPhoneTypeChoiceEngine.recognize(mChoiceClient, 986ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon VoiceDialerActivity.this, 987ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon newFile(getArg(MICROPHONE_EXTRA)), mSampleRate); 988ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 989ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 990ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread.start(); 991ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 992ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 993ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void exitActivity() { 994ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon synchronized(this) { 995ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mState != EXITING) { 996ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "exitActivity"); 997ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_GOODBYE; 998ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 999ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 1000ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon GOODBYE_UTTERANCE); 1001ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(getString(R.string.goodbye_tts), 1002ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 1003ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 1004ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, the activity will finish() after the 1005ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 1006ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable finish the 1007ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // activity. 1008ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 1009ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 1010ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 1011ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(new Runnable() { 1012ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 1013ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 1014ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1015ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }, EXIT_DELAY); 1016ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1017ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 10184a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 1019ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1020ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1021ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private String getArg(String name) { 1022ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (name == null) return null; 1023ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String arg = getIntent().getStringExtra(name); 1024ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (arg != null) return arg; 1025ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon arg = SystemProperties.get("app.voicedialer." + name); 1026ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return arg != null && arg.length() > 0 ? arg : null; 1027ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 10284a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 1029ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static File newFile(String name) { 1030ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return name != null ? new File(name) : null; 10314a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 1032ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1033ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int playSound(int toneType) { 1034ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int msecDelay = 1; 1035ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1036ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // use the MediaPlayer to prompt the user 1037ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mToneGenerator != null) { 1038ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mToneGenerator.startTone(toneType); 1039ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon msecDelay = StrictMath.max(msecDelay, 300); 1040ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1041ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // use the Vibrator to prompt the user 1042ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mAudioManager != null && 1043ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAudioManager.shouldVibrate(AudioManager.VIBRATE_TYPE_RINGER)) { 1044ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon final int VIBRATOR_TIME = 150; 1045ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon final int VIBRATOR_GUARD_TIME = 150; 1046ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Vibrator vibrator = new Vibrator(); 1047ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon vibrator.vibrate(VIBRATOR_TIME); 1048ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon msecDelay = StrictMath.max(msecDelay, 1049ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon VIBRATOR_TIME + VIBRATOR_GUARD_TIME); 1050ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1051ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1052ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1053ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return msecDelay; 1054ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1055ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1056ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon protected void onStop() { 1057ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onStop"); 1058ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1059ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon synchronized(this) { 1060ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = EXITING; 1061ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1062ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1063ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mAlertDialog != null) { 1064ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAlertDialog.dismiss(); 1065ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1066ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1067ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // set the volume back to the level it was before we started. 1068ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAudioManager.setStreamVolume(AudioManager.STREAM_BLUETOOTH_SCO, 1069ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothVoiceVolume, 0); 1070ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAudioManager.abandonAudioFocus(null); 1071ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1072ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // shut down bluetooth, if it exists 1073ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mBluetoothHeadset != null) { 1074ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset.stopVoiceRecognition(); 1075ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset.close(); 1076ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset = null; 1077ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1078ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1079ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // shut down recognizer and wait for the thread to complete 1080ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mRecognizerThread != null) { 1081ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread.interrupt(); 1082ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon try { 1083ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread.join(); 1084ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } catch (InterruptedException e) { 1085ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onStop mRecognizerThread.join exception " + e); 1086ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1087ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread = null; 1088ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1089ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1090ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // clean up UI 1091ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeCallbacks(mMicFlasher); 1092ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeMessages(0); 1093ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1094ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mTts != null) { 1095ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.stop(); 1096ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.shutdown(); 1097ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts = null; 1098ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1099ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon unregisterReceiver(mReceiver); 1100ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1101ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon super.onStop(); 1102ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1103ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // It makes no sense to have this activity maintain state when in 1104ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // background. When it stops, it should just be destroyed. 1105ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 1106ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1107ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1108ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private Runnable mMicFlasher = new Runnable() { 1109ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int visible = View.VISIBLE; 1110ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1111ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 1112ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.microphone_view).setVisibility(visible); 1113ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.state).setVisibility(visible); 1114ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon visible = visible == View.VISIBLE ? View.INVISIBLE : View.VISIBLE; 1115ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(this, 750); 1116ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1117ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 1118ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1119538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project @Override 1120538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project protected void onDestroy() { 1121ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon if (Config.LOGD) Log.d(TAG, "onDestroy"); 1122538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project super.onDestroy(); 1123538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 1124ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon}