VoiceDialerActivity.java revision ed873c21cd8ad85df735ec841b147f5ac0f740a9
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; 30ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.os.Environment; 31538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.os.Handler; 32538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.os.SystemProperties; 33538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.os.Vibrator; 34ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.speech.tts.TextToSpeech; 35538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.util.Config; 36538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.util.Log; 37538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.view.View; 38ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport android.view.WindowManager; 39538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport android.widget.TextView; 40538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectimport java.io.File; 411b715dc663bd7155d996576774e487d31bf331f7Martin Hibdonimport java.io.InputStream; 42ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdonimport java.util.HashMap; 43d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdonimport java.io.IOException; 44538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 45538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project/** 467a55150b308ed03d41091e4c3ac693d6eb0ab145mah * TODO: get rid of the anonymous classes 477a55150b308ed03d41091e4c3ac693d6eb0ab145mah * 48538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project * This class is the user interface of the VoiceDialer application. 49ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * It begins in the INITIALIZING state. 50ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 51ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * INITIALIZING : 52ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out on events from TTS and the BluetoothHeadset 53ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once TTS initialized and SCO channel set up: 54ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * prompt the user "speak now" 55ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the SPEAKING_GREETING state 56ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 57ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_GREETING: 58ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 59ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once the greeting utterance completes: 60ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin listening for the command using the {@link CommandRecognizerEngine} 61ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the WAITING_FOR_COMMAND state 62ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 63ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * WAITING_FOR_COMMAND : 64ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from the recognizer 65ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * on RecognitionFailure or RecognitionError: 66ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin speaking "try again." 67ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to state SPEAKING_TRY_AGAIN 68ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * on RecognitionSuccess: 69ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * single result: 70ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin speaking the sentence describing the intent 71ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the SPEAKING_CHOSEN_ACTION 72ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * multiple results: 73ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin speaking each of the choices in order 74ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the SPEAKING_CHOICES state 75ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 76ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_TRY_AGAIN: 77ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 78ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once the try again utterance completes: 79ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin listening for the command using the {@link CommandRecognizerEngine} 80ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the LISTENING_FOR_COMMAND state 81ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 82ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_CHOSEN_ACTION: 83ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 84ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once the utterance completes: 85ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * dispatch the intent that was chosen 86ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the EXITING state 87ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * finish the activity 88ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 89ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_CHOICES: 90ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 91ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * once the utterance completes: 92ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin listening for the user's choice using the 93ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * {@link PhoneTypeChoiceRecognizerEngine} 94ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the WAITING_FOR_CHOICE state. 95ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 96ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * WAITING_FOR_CHOICE: 97ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from the recognizer 98ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * on RecognitionFailure or RecognitionError: 99ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * begin speaking the "invalid choice" message, along with the list 100ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * of choices 101ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * * transition to the SPEAKING_CHOICES state 102ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * on RecognitionSuccess: 103ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * if the result is "try again", prompt the user to say a command, begin 104ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * listening for the command, and transition back to the WAITING_FOR_COMMAND 105ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * state. 106ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * if the result is "exit", then being speaking the "goodbye" message and 107ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * transition to the SPEAKING_GOODBYE state. 108ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * if the result is a valid choice, begin speaking the action chosen,initiate 109ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * the command the user has choose and exit. 110ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * if not a valid choice, speak the "invalid choice" message, begin 111ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * speaking the choices in order again, transition to the 112ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_CHOICES 113ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 114ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * SPEAKING_GOODBYE: 115ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * This transitions out only on events from TTS or the fallback runnable 116ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * after a time out, finish the activity. 117ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon * 118538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project */ 119ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 120538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Projectpublic class VoiceDialerActivity extends Activity { 121538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 122538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private static final String TAG = "VoiceDialerActivity"; 123538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 124538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private static final String MICROPHONE_EXTRA = "microphone"; 125538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private static final String CONTACTS_EXTRA = "contacts"; 126632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 127ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String SPEAK_NOW_UTTERANCE = "speak_now"; 128ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String TRY_AGAIN_UTTERANCE = "try_again"; 129ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String CHOSEN_ACTION_UTTERANCE = "chose_action"; 130ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String GOODBYE_UTTERANCE = "goodbye"; 131ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final String CHOICES_UTTERANCE = "choices"; 132ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 133ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int FIRST_UTTERANCE_DELAY = 300; 134ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int MAX_TTS_DELAY = 6000; 135ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int EXIT_DELAY = 2000; 136ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 137ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int BLUETOOTH_SAMPLE_RATE = 8000; 138ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int REGULAR_SAMPLE_RATE = 11025; 139ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 140ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int INITIALIZING = 0; 141ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_GREETING = 1; 142ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int WAITING_FOR_COMMAND = 2; 143ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_TRY_AGAIN = 3; 144ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_CHOICES = 4; 145ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int WAITING_FOR_CHOICE = 5; 146ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int WAITING_FOR_DIALOG_CHOICE = 6; 147ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_CHOSEN_ACTION = 7; 148ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int SPEAKING_GOODBYE = 8; 149ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final int EXITING = 9; 150ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 151ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final CommandRecognizerEngine mCommandEngine = 1525f25619fecb3fda9b34f90eb1e333a89ec431583Martin Hibdon new CommandRecognizerEngine(); 153ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static final PhoneTypeChoiceRecognizerEngine mPhoneTypeChoiceEngine = 154ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new PhoneTypeChoiceRecognizerEngine(); 15564c64e7c25e6efe31fa53369ec49db442b68ff9amah private CommandRecognizerClient mCommandClient; 156ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private ChoiceRecognizerClient mChoiceClient; 157ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private ToneGenerator mToneGenerator; 158538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private Handler mHandler; 159538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private Thread mRecognizerThread = null; 160538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project private AudioManager mAudioManager; 161ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private BluetoothHeadset mBluetoothHeadset; 162ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private TextToSpeech mTts; 163ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private HashMap<String, String> mTtsParams; 164ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private VoiceDialerBroadcastReceiver mReceiver; 165ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mBluetoothAudioState; 166ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private boolean mWaitingForTts; 167ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private boolean mWaitingForScoConnection; 168ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private Intent[] mAvailableChoices; 169ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private Intent mChosenAction; 170ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mBluetoothVoiceVolume; 171ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mState; 1724a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon private AlertDialog mAlertDialog; 173ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private Runnable mFallbackRunnable; 174ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private boolean mUsingBluetooth = false; 175ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mSampleRate; 176538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 177538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project @Override 178538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project protected void onCreate(Bundle icicle) { 179ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon if (Config.LOGD) Log.d(TAG, "onCreate"); 180538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project super.onCreate(icicle); 181538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project mHandler = new Handler(); 182538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project mAudioManager = (AudioManager)getSystemService(AUDIO_SERVICE); 183ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon mToneGenerator = new ToneGenerator(AudioManager.STREAM_RING, 184ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon ToneGenerator.MAX_VOLUME); 185ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon } 186ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon 187ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon protected void onStart() { 188ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onStart " + getIntent()); 189ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon super.onStart(); 190ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 191ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = INITIALIZING; 192ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction = null; 1932abf40fd5f901da1b6168aa778cbf7e6713a1e9bMartin Hibdon mAudioManager.requestAudioFocus( 1942abf40fd5f901da1b6168aa778cbf7e6713a1e9bMartin Hibdon null, AudioManager.STREAM_MUSIC, 1952abf40fd5f901da1b6168aa778cbf7e6713a1e9bMartin Hibdon AudioManager.AUDIOFOCUS_GAIN_TRANSIENT); 196be1584eb7e59c391a45aa21fb5e65ada1aedae9aDave Sparks 197ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // set this flag so this activity will stay in front of the keyguard 198ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int flags = WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED; 199ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon getWindow().addFlags(flags); 20064c64e7c25e6efe31fa53369ec49db442b68ff9amah 201538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project // open main window 202538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project setTheme(android.R.style.Theme_Dialog); 203538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project setTitle(R.string.title); 204538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project setContentView(R.layout.voice_dialing); 205538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project findViewById(R.id.microphone_view).setVisibility(View.INVISIBLE); 206538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project findViewById(R.id.retry_view).setVisibility(View.INVISIBLE); 207538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project findViewById(R.id.microphone_loading_view).setVisibility(View.VISIBLE); 208538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project if (RecognizerLogger.isEnabled(this)) { 209ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView) findViewById(R.id.substate)).setText(R.string.logging_enabled); 210538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 211632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 212ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Get handle to BluetoothHeadset object 213ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon IntentFilter audioStateFilter; 214ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon audioStateFilter = new IntentFilter(); 215ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon audioStateFilter.addAction(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED); 216ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mReceiver = new VoiceDialerBroadcastReceiver(); 217ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon registerReceiver(mReceiver, audioStateFilter); 218538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 219ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setContactsFile(newFile(getArg(CONTACTS_EXTRA))); 220ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setMinimizeResults(true); 221ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setAllowOpenEntries(false); 222ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandClient = new CommandRecognizerClient(); 223ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChoiceClient = new ChoiceRecognizerClient(); 224538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 225ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothAudioState = BluetoothHeadset.STATE_ERROR; 226632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 227ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (BluetoothHeadset.isBluetoothVoiceDialingEnabled(this) && 228ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Intent.ACTION_VOICE_COMMAND.equals(getIntent().getAction())) { 229ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mUsingBluetooth = true; 230ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 231ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mUsingBluetooth = false; 232ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 233632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 234ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 235ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "using bluetooth"); 236ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mSampleRate = BLUETOOTH_SAMPLE_RATE; 237ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setMinimizeResults(true); 238ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setAllowOpenEntries(false); 239ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 240ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we can't start recognizing until we get connected to the BluetoothHeadset 241ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // and have a connected audio state. We will listen for these 242ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // states to change. 243ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mWaitingForScoConnection = true; 244ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset = new BluetoothHeadset(this, 245ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadsetServiceListener); 246ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 247ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // initialize the text to speech system 248ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mWaitingForTts = true; 249ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts = new TextToSpeech(this, new TtsInitListener()); 250ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams = new HashMap<String, String>(); 251ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_STREAM, 252ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String.valueOf(AudioManager.STREAM_VOICE_CALL)); 253ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we need to wait for the TTS system and the SCO connection 254ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // before we can start listening. 255ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 256ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "not using bluetooth"); 257ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mSampleRate = REGULAR_SAMPLE_RATE; 258ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setMinimizeResults(false); 259ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.setAllowOpenEntries(true); 260ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 261ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we're not using bluetooth apparently, just start listening. 262ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForCommand(); 263ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 264538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 265632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 266ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class ErrorRunnable implements Runnable { 267ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int mErrorMsg; 268ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public ErrorRunnable(int errorMsg) { 269ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mErrorMsg = errorMsg; 270ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 2715f25619fecb3fda9b34f90eb1e333a89ec431583Martin Hibdon 272ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 273ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // put up an error and exit 274ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeCallbacks(mMicFlasher); 275ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView)findViewById(R.id.state)).setText(R.string.failure); 276ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView)findViewById(R.id.substate)).setText(mErrorMsg); 277ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView)findViewById(R.id.substate)).setText( 278ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon R.string.headset_connection_lost); 279ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.microphone_view).setVisibility(View.INVISIBLE); 280ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.retry_view).setVisibility(View.VISIBLE); 281ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 282ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 283ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (!mUsingBluetooth) { 284ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon playSound(ToneGenerator.TONE_PROP_NACK); 285538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 286ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 287538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 288632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 289ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class OnTtsCompletionRunnable implements Runnable { 290ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private boolean mFallback; 291632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 292ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon OnTtsCompletionRunnable(boolean fallback) { 293ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallback = fallback; 294538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 295538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 296ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 297ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mFallback) { 298ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.e(TAG, "utterance completion not delivered, using fallback"); 299ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 300ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "onTtsCompletionRunnable"); 301ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mState == SPEAKING_GREETING || mState == SPEAKING_TRY_AGAIN) { 302ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForCommand(); 303ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if (mState == SPEAKING_CHOICES) { 304ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForChoice(); 305ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if (mState == SPEAKING_GOODBYE) { 306ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = EXITING; 307ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 308ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if (mState == SPEAKING_CHOSEN_ACTION) { 309ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = EXITING; 310ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon startActivityHelp(mChosenAction); 311ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 312ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 313538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 314538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 315632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 316ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class GreetingRunnable implements Runnable { 317ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 318ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_GREETING; 319ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 320ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon SPEAK_NOW_UTTERANCE); 321ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(getString(R.string.speak_now_tts), 322ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 323ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 324ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, we will begin listening for the command after the 325ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 326ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable to fire 327ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the intent. 328ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 329ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 330ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 331ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 3322abf40fd5f901da1b6168aa778cbf7e6713a1e9bMartin Hibdon 333ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class TtsInitListener implements TextToSpeech.OnInitListener { 334ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onInit(int status) { 335ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // status can be either TextToSpeech.SUCCESS or TextToSpeech.ERROR. 336ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onInit for tts"); 337ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (status != TextToSpeech.SUCCESS) { 338ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Initialization failed. 339ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.e(TAG, "Could not initialize TextToSpeech."); 340ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable(R.string.recognition_error)); 341ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 342ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 343ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 344632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 345ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mTts == null) { 346ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.e(TAG, "null tts"); 347ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable(R.string.recognition_error)); 348ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 349ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 350538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 351632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 352ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.setOnUtteranceCompletedListener(new OnUtteranceCompletedListener()); 353ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 354ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // The TTS engine has been successfully initialized. 355ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mWaitingForTts = false; 356ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 357ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // TTS over bluetooth is really loud, 358ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Limit volume to -18dB. Stream volume range represents approximately 50dB 359ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // (See AudioSystem.cpp linearToLog()) so the number of steps corresponding 360ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // to 18dB is 18 / (50 / maxSteps). 361ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothVoiceVolume = mAudioManager.getStreamVolume( 362ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon AudioManager.STREAM_BLUETOOTH_SCO); 363ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int maxVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_BLUETOOTH_SCO); 364ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int volume = maxVolume - ((18 / (50/maxVolume)) + 1); 365ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mBluetoothVoiceVolume > volume) { 366ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAudioManager.setStreamVolume(AudioManager.STREAM_BLUETOOTH_SCO, volume, 0); 367ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 368632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 369ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mWaitingForScoConnection) { 370ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the bluetooth connection is not up yet, still waiting. 371ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 372ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we now have SCO connection and TTS, so we can start. 373ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(new GreetingRunnable(), FIRST_UTTERANCE_DELAY); 374ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 375538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 376538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 377632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 378ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon class OnUtteranceCompletedListener 379ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon implements TextToSpeech.OnUtteranceCompletedListener { 380ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onUtteranceCompleted(String utteranceId) { 381ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "onUtteranceCompleted " + utteranceId); 382ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // since the utterance has completed, we no longer need the fallback. 383ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeCallbacks(mFallbackRunnable); 384ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = null; 385ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new OnTtsCompletionRunnable(false)); 386ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 387538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 388538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 389ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private BluetoothHeadset.ServiceListener mBluetoothHeadsetServiceListener = 390ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new BluetoothHeadset.ServiceListener() { 391ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onServiceConnected() { 392ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mBluetoothHeadset != null && 393ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset.getState() == BluetoothHeadset.STATE_CONNECTED) { 394ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset.startVoiceRecognition(); 395ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 396538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 397ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onServiceConnected"); 398538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 399ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onServiceDisconnected() {} 400538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project }; 401538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 402ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private class VoiceDialerBroadcastReceiver extends BroadcastReceiver { 403ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon @Override 404ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onReceive(Context context, Intent intent) { 405ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String action = intent.getAction(); 406ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) { 407ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothAudioState = intent.getIntExtra( 408ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon BluetoothHeadset.EXTRA_AUDIO_STATE, 409ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon BluetoothHeadset.STATE_ERROR); 410ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "HEADSET AUDIO_STATE_CHANGED -> " + 411ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothAudioState); 412ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 413ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mBluetoothAudioState == BluetoothHeadset.AUDIO_STATE_CONNECTED && 414ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mWaitingForScoConnection) { 415ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // SCO channel has just become available. 416ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mWaitingForScoConnection = false; 417ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mWaitingForTts) { 418ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // still waiting for the TTS to be set up. 419ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 420ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we now have SCO connection and TTS, so we can start. 421ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(new GreetingRunnable(), FIRST_UTTERANCE_DELAY); 422ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 423ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 424ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (!mWaitingForScoConnection) { 425ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // apparently our connection to the headset has dropped. 426ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we won't be able to continue voicedialing. 427ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "lost sco connection"); 4284a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 429ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable( 430ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon R.string.headset_connection_lost)); 4314a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 432ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 433ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 434ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4354a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 436ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 437ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4384a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 439ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void askToTryAgain() { 440ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // get work off UAPI thread 441ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new Runnable() { 442ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 443ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mAlertDialog != null) { 444ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAlertDialog.dismiss(); 445ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4464a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 447ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeCallbacks(mMicFlasher); 448ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ((TextView)findViewById(R.id.state)).setText(R.string.please_try_again); 449ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.state).setVisibility(View.VISIBLE); 450ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.microphone_view).setVisibility(View.INVISIBLE); 451ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.retry_view).setVisibility(View.VISIBLE); 452ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 453ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 454ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_TRY_AGAIN; 455ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 456ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TRY_AGAIN_UTTERANCE); 457ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(getString(R.string.no_results_tts), 458ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 459ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 460ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 461ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, the we will start listening after the 462ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 463ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable to fire 464ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the intent. 465ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 466ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 467ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 468ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon try { 469ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Thread.sleep(playSound(ToneGenerator.TONE_PROP_NACK)); 470ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } catch (InterruptedException e) { 471ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 472ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we are not using tts, so we just start listening again. 473ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForCommand(); 474ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4754a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 476ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }); 477ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 4784a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 479ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void performChoice() { 480ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 481ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String sentenceSpoken = spaceOutDigits( 482ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction.getStringExtra( 483ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SENTENCE_EXTRA)); 484ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 485ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_CHOSEN_ACTION; 486ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 487ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon CHOSEN_ACTION_UTTERANCE); 488ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(sentenceSpoken, 489ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 490ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 491ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 492ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, the intent will be dispatched after the 493ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 494ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable to fire 495ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the intent. 496ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 497ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 498ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 499ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // just dispatch the intent 500ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon startActivityHelp(mChosenAction); 501ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 5024a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 503ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 5044a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 505ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void waitForChoice() { 506ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 507ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // We are running in bluetooth mode, and we have 508ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // multiple matches. Speak the choices and let 509ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the user choose. 510ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 511ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // We will not start listening until the utterance 512ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // of the choice list completes. 513ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon speakChoices(); 514ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 515ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, listening will begin after the 516ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 517ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable to begin 518ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // listening. 519ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 520ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 521ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 522ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // We are not running in bluetooth mode, so all 523ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we need to do is wait for the user to select 524ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // a choice from the alert dialog. We will wait 525ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // indefinitely for this. 526ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = WAITING_FOR_DIALOG_CHOICE; 527ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 5284a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 5294a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 53064c64e7c25e6efe31fa53369ec49db442b68ff9amah private class CommandRecognizerClient implements RecognizerClient { 531ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon static final int MIN_VOLUME_TO_SKIP = 2; 532ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon /** 53364c64e7c25e6efe31fa53369ec49db442b68ff9amah * Called by the {@link RecognizerEngine} when the microphone is started. 53464c64e7c25e6efe31fa53369ec49db442b68ff9amah */ 5351b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon public void onMicrophoneStart(InputStream mic) { 53664c64e7c25e6efe31fa53369ec49db442b68ff9amah if (Config.LOGD) Log.d(TAG, "onMicrophoneStart"); 537ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 538ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (!mUsingBluetooth) { 539ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon playSound(ToneGenerator.TONE_PROP_BEEP); 540ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 541ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int ringVolume = mAudioManager.getStreamVolume( 542ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon AudioManager.STREAM_RING); 543ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "ringVolume " + ringVolume); 544ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 545ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (ringVolume >= MIN_VOLUME_TO_SKIP) { 546ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // now we're playing a sound, and corrupting the input sample. 547ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // So we need to pull that junk off of the input stream so that the 548ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // recognizer won't see it. 549ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon try { 550ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon skipBeep(mic); 551ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } catch (java.io.IOException e) { 552ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.e(TAG, "IOException " + e); 553ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 554ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 555ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "no tone"); 556d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 5571b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon } 558632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 55964c64e7c25e6efe31fa53369ec49db442b68ff9amah mHandler.post(new Runnable() { 56064c64e7c25e6efe31fa53369ec49db442b68ff9amah public void run() { 561ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.retry_view).setVisibility(View.INVISIBLE); 562ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.microphone_loading_view).setVisibility( 563ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon View.INVISIBLE); 56464c64e7c25e6efe31fa53369ec49db442b68ff9amah ((TextView)findViewById(R.id.state)).setText(R.string.listening); 56564c64e7c25e6efe31fa53369ec49db442b68ff9amah mHandler.post(mMicFlasher); 56664c64e7c25e6efe31fa53369ec49db442b68ff9amah } 56764c64e7c25e6efe31fa53369ec49db442b68ff9amah }); 56864c64e7c25e6efe31fa53369ec49db442b68ff9amah } 569538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 570d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon /** 571d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon * Beep detection 572d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon */ 573d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int START_WINDOW_MS = 500; // Beep detection window duration in ms 574d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int SINE_FREQ = 400; // base sine frequency on beep 575d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int NUM_PERIODS_BLOCK = 10; // number of sine periods in one energy averaging block 576d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int THRESHOLD = 8; // absolute pseudo energy threshold 577d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int START = 0; // beep detection start 578d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int RISING = 1; // beep rising edge start 579d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon private static final int TOP = 2; // beep constant energy detected 580d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 581d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon void skipBeep(InputStream is) throws IOException { 582ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int sampleCount = ((mSampleRate / SINE_FREQ) * NUM_PERIODS_BLOCK); 583d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int blockSize = 2 * sampleCount; // energy averaging block 584d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 585d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (is == null || blockSize == 0) { 586d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon return; 587d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 588d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 589d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon byte[] buf = new byte[blockSize]; 590ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int maxBytes = 2 * ((START_WINDOW_MS * mSampleRate) / 1000); 591d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon maxBytes = ((maxBytes-1) / blockSize + 1) * blockSize; 592d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 593d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int count = 0; 594d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int state = START; // detection state 595d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long prevE = 0; // previous pseudo energy 596d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long peak = 0; 597d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int threshold = THRESHOLD*sampleCount; // absolute energy threshold 598d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon Log.d(TAG, "blockSize " + blockSize); 599d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 600d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon while (count < maxBytes) { 601d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int cnt = 0; 602d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon while (cnt < blockSize) { 603d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon int n = is.read(buf, cnt, blockSize-cnt); 604d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (n < 0) { 605d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon throw new java.io.IOException(); 606d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 607d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon cnt += n; 608d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 609d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 610d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // compute pseudo energy 611d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon cnt = blockSize; 612d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long sumx = 0; 613d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long sumxx = 0; 614d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon while (cnt >= 2) { 615d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon short smp = (short)((buf[cnt - 1] << 8) + (buf[cnt - 2] & 0xFF)); 616d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon sumx += smp; 617d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon sumxx += smp*smp; 618d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon cnt -= 2; 6191b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon } 620d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon long energy = (sumxx*sampleCount - sumx*sumx)/(sampleCount*sampleCount); 621d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon Log.d(TAG, "sumx " + sumx + " sumxx " + sumxx + " ee " + energy); 622d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon 623d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon switch (state) { 624d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon case START: 625d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (energy > threshold && energy > (prevE * 2) && prevE != 0) { 626d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // rising edge if energy doubled and > abs threshold 627d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon state = RISING; 628ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "start RISING: " + count +" time: "+ (((1000*count)/2)/mSampleRate)); 629d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 630d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon break; 631d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon case RISING: 632d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (energy < threshold || energy < (prevE / 2)){ 633d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // energy fell back below half of previous, back to start 634ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "back to START: " + count +" time: "+ (((1000*count)/2)/mSampleRate)); 635d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon peak = 0; 636d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon state = START; 637d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } else if (energy > (prevE / 2) && energy < (prevE * 2)) { 638d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // Start of constant energy 639ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "start TOP: " + count +" time: "+ (((1000*count)/2)/mSampleRate)); 640d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (peak < energy) { 641d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon peak = energy; 642d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 643d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon state = TOP; 644d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 645d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon break; 646d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon case TOP: 647d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (energy < threshold || energy < (peak / 2)) { 648d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon // e went to less than half of the peak 649ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "end TOP: " + count +" time: "+ (((1000*count)/2)/mSampleRate)); 650d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon return; 651d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 652d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon break; 653d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon } 654d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon prevE = energy; 655d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon count += blockSize; 6561b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon } 657d23e5f670b10a582761421d8bc101d4a2d660ac0Martin Hibdon if (Config.LOGD) Log.d(TAG, "no beep detected, timed out"); 6581b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon } 6591b715dc663bd7155d996576774e487d31bf331f7Martin Hibdon 66064c64e7c25e6efe31fa53369ec49db442b68ff9amah /** 66164c64e7c25e6efe31fa53369ec49db442b68ff9amah * Called by the {@link RecognizerEngine} if the recognizer fails. 66264c64e7c25e6efe31fa53369ec49db442b68ff9amah */ 66364c64e7c25e6efe31fa53369ec49db442b68ff9amah public void onRecognitionFailure(final String msg) { 66464c64e7c25e6efe31fa53369ec49db442b68ff9amah if (Config.LOGD) Log.d(TAG, "onRecognitionFailure " + msg); 665ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we had zero results. Just try again. 666ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon askToTryAgain(); 66764c64e7c25e6efe31fa53369ec49db442b68ff9amah } 668538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 66964c64e7c25e6efe31fa53369ec49db442b68ff9amah /** 67064c64e7c25e6efe31fa53369ec49db442b68ff9amah * Called by the {@link RecognizerEngine} on an internal error. 67164c64e7c25e6efe31fa53369ec49db442b68ff9amah */ 67264c64e7c25e6efe31fa53369ec49db442b68ff9amah public void onRecognitionError(final String msg) { 67364c64e7c25e6efe31fa53369ec49db442b68ff9amah if (Config.LOGD) Log.d(TAG, "onRecognitionError " + msg); 674ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable(R.string.recognition_error)); 675ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 67664c64e7c25e6efe31fa53369ec49db442b68ff9amah } 677538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project 67864c64e7c25e6efe31fa53369ec49db442b68ff9amah /** 67964c64e7c25e6efe31fa53369ec49db442b68ff9amah * Called by the {@link RecognizerEngine} when is succeeds. If there is 68064c64e7c25e6efe31fa53369ec49db442b68ff9amah * only one item, then the Intent is dispatched immediately. 68164c64e7c25e6efe31fa53369ec49db442b68ff9amah * If there are more, then an AlertDialog is displayed and the user is 68264c64e7c25e6efe31fa53369ec49db442b68ff9amah * prompted to select. 68364c64e7c25e6efe31fa53369ec49db442b68ff9amah * @param intents a list of Intents corresponding to the sentences. 68464c64e7c25e6efe31fa53369ec49db442b68ff9amah */ 68564c64e7c25e6efe31fa53369ec49db442b68ff9amah public void onRecognitionSuccess(final Intent[] intents) { 686ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "CommandRecognizerClient onRecognitionSuccess " + 687ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon intents.length); 688ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mState != WAITING_FOR_COMMAND) { 689ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "not waiting for command, ignoring"); 690ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 691ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 69264c64e7c25e6efe31fa53369ec49db442b68ff9amah 693ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // store the intents in a member variable so that we can access it 694ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // later when the user chooses which action to perform. 695ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAvailableChoices = intents; 69664c64e7c25e6efe31fa53369ec49db442b68ff9amah 697ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new Runnable() { 69864c64e7c25e6efe31fa53369ec49db442b68ff9amah public void run() { 699ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (!mUsingBluetooth) { 700ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon playSound(ToneGenerator.TONE_PROP_ACK); 701ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 70264c64e7c25e6efe31fa53369ec49db442b68ff9amah mHandler.removeCallbacks(mMicFlasher); 70364c64e7c25e6efe31fa53369ec49db442b68ff9amah 704ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String[] sentences = new String[intents.length]; 705ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon for (int i = 0; i < intents.length; i++) { 706ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon sentences[i] = intents[i].getStringExtra( 707ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SENTENCE_EXTRA); 708ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 70964c64e7c25e6efe31fa53369ec49db442b68ff9amah 710ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (intents.length == 0) { 711ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon onRecognitionFailure("zero intents"); 712ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 713ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 714ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 715ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (intents.length > 0) { 716ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // see if we the response was "exit" or "cancel". 717ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String value = intents[0].getStringExtra( 718ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SEMANTIC_EXTRA); 719ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "value " + value); 720ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if ("X".equals(value)) { 721ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 722ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 723ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 724ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 725ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 726ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth && 727ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon (intents.length == 1 || 728ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon !Intent.ACTION_CALL_PRIVILEGED.equals( 729ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon intents[0].getAction()))) { 730ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // When we're running in bluetooth mode, we expect 731ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // that the user is not looking at the screen and cannot 732ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // interact with the device in any way besides voice 733ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // commands. In this case we need to minimize how many 734ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // interactions the user has to perform in order to call 735ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // someone. 736ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // So if there is only one match, instead of making the 737ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // user confirm, we just assume it's correct, speak 738ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the choice over TTS, and then dispatch it. 739ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // If there are multiple matches for some intent type 740ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // besides "call", it's too difficult for the user to 741ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // explain which one they meant, so we just take the highest 742ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // confidence match and dispatch that. 743ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 744ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Speak the sentence for the action we are about 745ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // to dispatch so that the user knows what is happening. 746ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction = intents[0]; 747ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon performChoice(); 748ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 749ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 750ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 751ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Either we are not running in bluetooth mode, 752ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // or we had multiple matches. Either way, we need 753ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the user to confirm the choice. 754ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Put up a dialog from which the user can select 755ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // his/her choice. 756ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon DialogInterface.OnCancelListener cancelListener = 757ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new DialogInterface.OnCancelListener() { 758ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 759ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onCancel(DialogInterface dialog) { 760ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) { 761ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "cancelListener.onCancel"); 762ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 763ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon dialog.dismiss(); 764ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 765ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 766ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 767ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 768ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon DialogInterface.OnClickListener clickListener = 769ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new DialogInterface.OnClickListener() { 770ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 771ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onClick(DialogInterface dialog, int which) { 772ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) { 773ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "clickListener.onClick " + which); 774ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 775ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon startActivityHelp(intents[which]); 776ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon dialog.dismiss(); 777ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 778ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 779ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 780ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 781ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon DialogInterface.OnClickListener negativeListener = 782ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new DialogInterface.OnClickListener() { 783ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 784ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onClick(DialogInterface dialog, int which) { 785ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) { 786ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Log.d(TAG, "negativeListener.onClick " + 787ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon which); 788ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 789ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon dialog.dismiss(); 790ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 79164c64e7c25e6efe31fa53369ec49db442b68ff9amah } 792ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 793ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 794ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAlertDialog = 795ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon new AlertDialog.Builder(VoiceDialerActivity.this) 796ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .setTitle(R.string.title) 797ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .setItems(sentences, clickListener) 798ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .setOnCancelListener(cancelListener) 799ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .setNegativeButton(android.R.string.cancel, 800ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon negativeListener) 801ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon .show(); 802ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 803ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon waitForChoice(); 804538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 805538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 80664c64e7c25e6efe31fa53369ec49db442b68ff9amah }); 80764c64e7c25e6efe31fa53369ec49db442b68ff9amah } 808538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 809632bb9327078cbe2794ff24be8bb28e4f81309f1The Android Open Source Project 810ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private class ChoiceRecognizerClient implements RecognizerClient { 811ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onRecognitionSuccess(final Intent[] intents) { 812ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "ChoiceRecognizerClient onRecognitionSuccess"); 813ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mState != WAITING_FOR_CHOICE) { 814ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "not waiting for choice, ignoring"); 815ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return; 816ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 817ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 818ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mAlertDialog != null) { 819ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAlertDialog.dismiss(); 820ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 821ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 822ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // disregard all but the first intent. 823ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (intents.length > 0) { 824ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String value = intents[0].getStringExtra( 825ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SEMANTIC_EXTRA); 826ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "value " + value); 827ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if ("R".equals(value)) { 828ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 829ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new GreetingRunnable()); 830ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 831ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon listenForCommand(); 832ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 833ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if ("X".equals(value)) { 834ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 835ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 836ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // it's a phone type response 837ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction = null; 838ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon for (int i = 0; i < mAvailableChoices.length; i++) { 839ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (value.equalsIgnoreCase( 840ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAvailableChoices[i].getStringExtra( 841ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon CommandRecognizerEngine.PHONE_TYPE_EXTRA))) { 842ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mChosenAction = mAvailableChoices[i]; 843ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 844ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 845ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 846ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mChosenAction != null) { 847ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon performChoice(); 848ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 849ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // invalid choice 850ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "invalid choice" + value); 851ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 852ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 853ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.remove(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID); 854ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(getString(R.string.invalid_choice_tts), 855ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 856ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 857ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 858ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon waitForChoice(); 859ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 860ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 861ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 862ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 863ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 864ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onRecognitionFailure(String msg) { 865ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "ChoiceRecognizerClient onRecognitionFailure"); 866ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 867ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 868ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 869ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onRecognitionError(String err) { 870ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "ChoiceRecognizerClient onRecognitionError"); 871ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.post(new ErrorRunnable(R.string.recognition_error)); 872ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon exitActivity(); 873ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 874ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 875ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void onMicrophoneStart(InputStream mic) { 876ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "ChoiceRecognizerClient onMicrophoneStart"); 877ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 878ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 879ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 880ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void speakChoices() { 881ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "speakChoices"); 882ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_CHOICES; 883ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 884ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String sentenceSpoken = spaceOutDigits( 885ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAvailableChoices[0].getStringExtra( 886ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SENTENCE_EXTRA)); 887ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 888ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // When we have multiple choices, they will be of the form 889ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // "call jack jones at home", "call jack jones on mobile". 890ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Speak the entire first sentence, then the last word from each 891ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // of the remaining sentences. This will come out to something 892ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // like "call jack jones at home mobile or work". 893ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon StringBuilder builder = new StringBuilder(); 894ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(sentenceSpoken); 895ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 896ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int count = mAvailableChoices.length; 897ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon for (int i=1; i < count; i++) { 898ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (i == count-1) { 899ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(" or "); 900ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 901ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(" "); 902ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 903ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String tmpSentence = mAvailableChoices[i].getStringExtra( 904ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon RecognizerEngine.SENTENCE_EXTRA); 905ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String[] words = tmpSentence.trim().split(" "); 906ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(words[words.length-1]); 907ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 908ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 909ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon CHOICES_UTTERANCE); 910ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(builder.toString(), 911ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_ADD, 912ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 913ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 914ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 915ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 916ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static String spaceOutDigits(String sentenceDisplay) { 917ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // if we have a sentence of the form "dial 123 456 7890", 918ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // we need to insert a space between each digit, otherwise 919ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // the TTS engine will say "dial one hundred twenty three...." 920ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // When there already is a space, we also insert a comma, 921ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // so that it pauses between sections. For the displayable 922ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // sentence "dial 123 456 7890" it will speak 923ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // "dial 1 2 3, 4 5 6, 7 8 9 0" 924ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon char buffer[] = sentenceDisplay.toCharArray(); 925ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon StringBuilder builder = new StringBuilder(); 926ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon boolean buildingNumber = false; 927ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int l = sentenceDisplay.length(); 928ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon for (int index = 0; index < l; index++) { 929ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon char c = buffer[index]; 930ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Character.isDigit(c)) { 931ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (buildingNumber) { 932ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(" "); 933ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 934ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon buildingNumber = true; 935ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(c); 936ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else if (c == ' ') { 937ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (buildingNumber) { 938ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(","); 939ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 940ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(" "); 941ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 942ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 943ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon buildingNumber = false; 944ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon builder.append(c); 945ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 946ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 947ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return builder.toString(); 948ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 949ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 9504a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon private void startActivityHelp(Intent intent) { 951ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon startActivity(intent); 952ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 953ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 954ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void listenForCommand() { 955ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "" 956ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon + "Command(): MICROPHONE_EXTRA: "+getArg(MICROPHONE_EXTRA)+ 957ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon ", CONTACTS_EXTRA: "+getArg(CONTACTS_EXTRA)); 958ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 959ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = WAITING_FOR_COMMAND; 960ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread = new Thread() { 961ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 962ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mCommandEngine.recognize(mCommandClient, 963ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon VoiceDialerActivity.this, 964ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon newFile(getArg(MICROPHONE_EXTRA)), 965ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mSampleRate); 966ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 967ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 968ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread.start(); 969ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 970ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 971ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void listenForChoice() { 972ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "listenForChoice(): MICROPHONE_EXTRA: " + 973ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon getArg(MICROPHONE_EXTRA)); 974ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 975ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = WAITING_FOR_CHOICE; 976ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread = new Thread() { 977ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 978ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mPhoneTypeChoiceEngine.recognize(mChoiceClient, 979ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon VoiceDialerActivity.this, 980ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon newFile(getArg(MICROPHONE_EXTRA)), mSampleRate); 981ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 982ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 983ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread.start(); 984ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 985ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 986ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private void exitActivity() { 987ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon synchronized(this) { 988ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mState != EXITING) { 989ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "exitActivity"); 990ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = SPEAKING_GOODBYE; 991ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mUsingBluetooth) { 992ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, 993ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon GOODBYE_UTTERANCE); 994ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.speak(getString(R.string.goodbye_tts), 995ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon TextToSpeech.QUEUE_FLUSH, 996ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTtsParams); 997ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // Normally, the activity will finish() after the 998ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // utterance completes. As a fallback in case the utterance 999ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // does not complete, post a delayed runnable finish the 1000ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // activity. 1001ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mFallbackRunnable = new OnTtsCompletionRunnable(true); 1002ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(mFallbackRunnable, MAX_TTS_DELAY); 1003ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } else { 1004ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(new Runnable() { 1005ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 1006ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 1007ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1008ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }, EXIT_DELAY); 1009ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1010ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 10114a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 1012ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1013ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1014ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private String getArg(String name) { 1015ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (name == null) return null; 1016ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon String arg = getIntent().getStringExtra(name); 1017ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (arg != null) return arg; 1018ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon arg = SystemProperties.get("app.voicedialer." + name); 1019ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return arg != null && arg.length() > 0 ? arg : null; 1020ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 10214a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon 1022ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private static File newFile(String name) { 1023ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return name != null ? new File(name) : null; 10244a330957ce5190ed86c57e0c65910359b866cba7Martin Hibdon } 1025ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1026ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private int playSound(int toneType) { 1027ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int msecDelay = 1; 1028ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1029ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // use the MediaPlayer to prompt the user 1030ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mToneGenerator != null) { 1031ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mToneGenerator.startTone(toneType); 1032ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon msecDelay = StrictMath.max(msecDelay, 300); 1033ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1034ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // use the Vibrator to prompt the user 1035ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mAudioManager != null && 1036ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAudioManager.shouldVibrate(AudioManager.VIBRATE_TYPE_RINGER)) { 1037ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon final int VIBRATOR_TIME = 150; 1038ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon final int VIBRATOR_GUARD_TIME = 150; 1039ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon Vibrator vibrator = new Vibrator(); 1040ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon vibrator.vibrate(VIBRATOR_TIME); 1041ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon msecDelay = StrictMath.max(msecDelay, 1042ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon VIBRATOR_TIME + VIBRATOR_GUARD_TIME); 1043ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1044ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1045ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1046ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon return msecDelay; 1047ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1048ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1049ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon protected void onStop() { 1050ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onStop"); 1051ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1052ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon synchronized(this) { 1053ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mState = EXITING; 1054ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1055ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1056ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mAlertDialog != null) { 1057ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAlertDialog.dismiss(); 1058ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1059ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1060ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // set the volume back to the level it was before we started. 1061ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAudioManager.setStreamVolume(AudioManager.STREAM_BLUETOOTH_SCO, 1062ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothVoiceVolume, 0); 1063ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mAudioManager.abandonAudioFocus(null); 1064ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1065ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // shut down bluetooth, if it exists 1066ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mBluetoothHeadset != null) { 1067ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset.stopVoiceRecognition(); 1068ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset.close(); 1069ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mBluetoothHeadset = null; 1070ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1071ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1072ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // shut down recognizer and wait for the thread to complete 1073ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mRecognizerThread != null) { 1074ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread.interrupt(); 1075ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon try { 1076ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread.join(); 1077ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } catch (InterruptedException e) { 1078ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (Config.LOGD) Log.d(TAG, "onStop mRecognizerThread.join exception " + e); 1079ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1080ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mRecognizerThread = null; 1081ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1082ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1083ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // clean up UI 1084ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeCallbacks(mMicFlasher); 1085ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.removeMessages(0); 1086ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1087ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon if (mTts != null) { 1088ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.stop(); 1089ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts.shutdown(); 1090ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mTts = null; 1091ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1092ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon unregisterReceiver(mReceiver); 1093ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1094ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon super.onStop(); 1095ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1096ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // It makes no sense to have this activity maintain state when in 1097ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon // background. When it stops, it should just be destroyed. 1098ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon finish(); 1099ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1100ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1101ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon private Runnable mMicFlasher = new Runnable() { 1102ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon int visible = View.VISIBLE; 1103ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1104ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon public void run() { 1105ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.microphone_view).setVisibility(visible); 1106ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon findViewById(R.id.state).setVisibility(visible); 1107ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon visible = visible == View.VISIBLE ? View.INVISIBLE : View.VISIBLE; 1108ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon mHandler.postDelayed(this, 750); 1109ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon } 1110ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon }; 1111ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon 1112538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project @Override 1113538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project protected void onDestroy() { 1114ef5d3e8cd31873c7af4902986ae61b408d0343bbMartin Hibdon if (Config.LOGD) Log.d(TAG, "onDestroy"); 1115538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project super.onDestroy(); 1116538879a6f24ff7305e66d719e751b5d612029bf3The Android Open Source Project } 1117ed873c21cd8ad85df735ec841b147f5ac0f740a9Martin Hibdon}