62 lines
2.5 KiB
Java
62 lines
2.5 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.android.common.speech;
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/**
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* Utilities for voice recognition implementations.
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*
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* @see android.speech.RecognitionService
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* @see android.speech.RecognizerIntent
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*/
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public class Recognition {
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/**
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* The key to the extra in the Bundle returned by
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* android.speech.RecognizerIntent#ACTION_GET_LANGUAGE_DETAILS
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* which is an ArrayList of CharSequences which are hints that can be shown to
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* the user for voice actions currently supported by voice search for the user's current
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* language preference for voice search (i.e., the one defined in the extra
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* android.speech.RecognizerIntent#EXTRA_LANGUAGE_PREFERENCE).
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*
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* If this is paired with EXTRA_HINT_CONTEXT, should return a set of hints that are
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* appropriate for the provided context.
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*
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* The CharSequences are SpannedStrings and will contain segments wrapped in
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* <annotation action="true"></annotation>. This is to indicate the section of the text
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* which represents the voice action, to be highlighted in the UI if so desired.
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*/
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public static final String EXTRA_HINT_STRINGS = "android.speech.extra.HINT_STRINGS";
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/**
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* The key to an extra to be included in the request intent for
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* android.speech.RecognizerIntent#ACTION_GET_LANGUAGE_DETAILS.
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* Should be an int of one of the values defined below. If an
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* unknown int value is provided, it should be ignored.
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*/
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public static final String EXTRA_HINT_CONTEXT = "android.speech.extra.HINT_CONTEXT";
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/**
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* A set of values for EXTRA_HINT_CONTEXT.
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*/
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public static final int HINT_CONTEXT_UNKNOWN = 0;
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public static final int HINT_CONTEXT_VOICE_SEARCH_HELP = 1;
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public static final int HINT_CONTEXT_CAR_HOME = 2;
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public static final int HINT_CONTEXT_LAUNCHER = 3;
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private Recognition() { } // don't instantiate
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}
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