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Commit e49afd86 authored by Mike LeBeau's avatar Mike LeBeau
Browse files

Add the API constants to support providing hint strings in the response to 

RecognizerIntent.ACTION_GET_LANGUAGE_DETAILS.

This will use the new support for ArrayList<CharSequence> bundles added in
http://b/2468093. This and the corresponding VoiceSearch CL should not be
submitted until that is.
parent d2c1705d

common/java/com/android/common/speech/Recognition.java

+35 −2
Original line number Diff line number Diff line
@@ -19,7 +19,8 @@ package com.android.common.speech; 
/**

 * Utilities for voice recognition implementations.

 *

 * @see android.app.RecognitionService

 * @see android.speech.RecognitionService

 * @see android.speech.RecognizerIntent

 */

public class Recognition {
@@ -30,7 +31,39 @@ public class Recognition { 
     * is set by anyone but the system process, it should be overridden by the voice search

     * implementation.

     */

    public final static String EXTRA_CALLING_PACKAGE = "calling_package";

    public static final String EXTRA_CALLING_PACKAGE = "calling_package";

    

    /**

     * The key to the extra in the Bundle returned by

     * android.speech.RecognizerIntent#ACTION_GET_LANGUAGE_DETAILS

     * which is an ArrayList of CharSequences which are hints that can be shown to

     * the user for voice actions currently supported by voice search for the user's current

     * language preference for voice search (i.e., the one defined in the extra

     * android.speech.RecognizerIntent#EXTRA_LANGUAGE_PREFERENCE).

     *

     * If this is paired with EXTRA_HINT_CONTEXT, should return a set of hints that are

     * appropriate for the provided context.

     *

     * The CharSequences are SpannedStrings and will contain segments wrapped in

     * <annotation action="true"></annotation>. This is to indicate the section of the text

     * which represents the voice action, to be highlighted in the UI if so desired.

     */

    public static final String EXTRA_HINT_STRINGS = "android.speech.extra.HINT_STRINGS";

    

    /**

     * The key to an extra to be included in the request intent for

     * android.speech.RecognizerIntent#ACTION_GET_LANGUAGE_DETAILS.

     * Should be an int of one of the values defined below. If an

     * unknown int value is provided, it should be ignored.

     */

    public static final String EXTRA_HINT_CONTEXT = "android.speech.extra.HINT_CONTEXT";

    

    /**

     * A set of values for EXTRA_HINT_CONTEXT.

     */

    public static final int HINT_CONTEXT_UNKNOWN = 0;

    public static final int HINT_CONTEXT_VOICE_SEARCH_HELP = 1;

    public static final int HINT_CONTEXT_CAR_HOME = 2;



    private Recognition() { }   // don't instantiate

}