47c9b141dd
Change 2 of 4 Notes from API Council review: Rename RecognitionManager to SpeechRecognizer Change-Id: Ib1245eb9b816605728fb75c77c486ee5ee0e76c6
85 lines
3.2 KiB
Java
85 lines
3.2 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.voicerecognitionservice;
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import java.util.ArrayList;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.os.RemoteException;
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import android.speech.SpeechRecognizer;
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import android.speech.RecognitionService;
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/**
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* A sample implementation of a {@link RecognitionService}. This very simple implementation does
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* no actual voice recognition. It just immediately returns fake recognition results.
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* Depending on the setting chosen in {@link VoiceRecognitionSettings}, it either returns a
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* list of letters ("a", "b", "c"), or a list of numbers ("1", "2", "3").
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*/
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public class VoiceRecognitionService extends RecognitionService {
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@Override
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protected void onCancel(Callback listener) {
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// A real recognizer would do something to shut down recognition here.
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}
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@Override
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protected void onStartListening(Intent recognizerIntent, Callback listener) {
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// A real recognizer would probably utilize a lot of the other listener callback
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// methods. But we'll just skip all that and pretend we've got a result.
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ArrayList<String> results = new ArrayList<String>();
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SharedPreferences prefs = getSharedPreferences(
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VoiceRecognitionSettings.SHARED_PREFERENCES_NAME,
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Context.MODE_PRIVATE);
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String resultType = prefs.getString(
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VoiceRecognitionSettings.PREF_KEY_RESULTS_TYPE,
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String.valueOf(VoiceRecognitionSettings.RESULT_TYPE_LETTERS));
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int resultTypeInt = Integer.parseInt(resultType);
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if (resultTypeInt == VoiceRecognitionSettings.RESULT_TYPE_LETTERS) {
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results.add("a");
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results.add("b");
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results.add("c");
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} else if (resultTypeInt == VoiceRecognitionSettings.RESULT_TYPE_NUMBERS) {
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results.add("1");
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results.add("2");
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results.add("3");
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}
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Bundle bundle = new Bundle();
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bundle.putStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION, results);
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try {
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listener.results(bundle);
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} catch (RemoteException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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protected void onStopListening(Callback listener) {
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// Not implemented - in this sample we assume recognition would be endpointed
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// automatically, though certain applications may wish to expose an affordance
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// for stopping recording manually.
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}
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}
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