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diff --git a/core/java/android/speech/RecognizerIntent.java b/core/java/android/speech/RecognizerIntent.java
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+++ b/core/java/android/speech/RecognizerIntent.java
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+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.speech;
+
+import android.app.Activity;
+import android.content.ActivityNotFoundException;
+import android.content.Intent;
+
+/**
+ * Constants for supporting speech recognition through starting an {@link Intent}
+ * 
+ * @hide {pending API council review}
+ */
+public class RecognizerIntent {
+    private RecognizerIntent() {
+        // Not for instantiating.
+    }
+
+    /**
+     * Starts an activity that will prompt the user for speech and sends it through a
+     * speech recognizer.
+     * 
+     * <p>Required extras:
+     * <ul>
+     *   <li>{@link #EXTRA_LANGUAGE_MODEL}
+     * </ul>
+     * 
+     * <p>Optional extras:
+     * <ul>
+     *   <li>{@link Intent#EXTRA_PROMPT}
+     *   <li>{@link #EXTRA_LANGUAGE}
+     *   <li>{@link #EXTRA_MAX_RESULTS}
+     * </ul>
+     * 
+     * <p> Result extras:
+     * <ul>
+     *   <li>{@link #EXTRA_RESULTS}
+     * </ul>
+     * 
+     * <p>NOTE: There may not be any applications installed to handle this action, so you should
+     * make sure to catch {@link ActivityNotFoundException}.
+     */
+    public static final String ACTION_RECOGNIZE_SPEECH = "android.speech.action.RECOGNIZE_SPEECH";
+
+    /**
+     * Informs the recognizer which speech model to prefer when performing
+     * {@link #ACTION_RECOGNIZE_SPEECH}. The recognizer uses this
+     * information to fine tune the results. This extra is required. Activities implementing
+     * {@link #ACTION_RECOGNIZE_SPEECH} may interpret the values as they see fit.
+     * 
+     *  @see #LANGUAGE_MODEL_FREE_FORM
+     *  @see #LANGUAGE_MODEL_WEB_SEARCH
+     */
+    public static final String EXTRA_LANGUAGE_MODEL = "language_model";
+
+    /** Free form speech recognition */
+    public static final String LANGUAGE_MODEL_FREE_FORM = "free_form";
+    /** Use a language model based on web search terms */
+    public static final String LANGUAGE_MODEL_WEB_SEARCH = "web_search";
+
+    /** Optional text prompt to show to the user when asking them to speak. */
+    public static final String EXTRA_PROMPT = "prompt";
+
+    /**
+     * Optional language override to inform the recognizer that it should expect speech in
+     * a language different than the one set in the {@link java.util.Locale#getDefault()}. 
+     */
+    public static final String EXTRA_LANGUAGE = "lang";
+
+    /** 
+     * Optional limit on the maximum number of results to return. If omitted the recognizer
+     * will choose how many results to return. Must be an integer.
+     */
+    public static final String EXTRA_MAX_RESULTS = "max_results";
+
+    /** Result code returned when no matches are found for the given speech */
+    public static final int RESULT_NO_MATCH = Activity.RESULT_FIRST_USER;
+    /** Result code returned when there is a generic client error */
+    public static final int RESULT_CLIENT_ERROR = Activity.RESULT_FIRST_USER + 1;
+    /** Result code returned when the recognition server returns an error */
+    public static final int RESULT_SERVER_ERROR = Activity.RESULT_FIRST_USER + 2;
+    /** Result code returned when a network error was encountered */
+    public static final int RESULT_NETWORK_ERROR = Activity.RESULT_FIRST_USER + 3;
+    /** Result code returned when an audio error was encountered */
+    public static final int RESULT_AUDIO_ERROR = Activity.RESULT_FIRST_USER + 4;
+
+    /**
+     * An ArrayList<String> of the potential results when performing
+     * {@link #ACTION_RECOGNIZE_SPEECH}. Only present when {@link Activity#RESULT_OK} is returned.
+     */
+    public static final String EXTRA_RESULTS = "results";
+}