upload android base code part7
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14
android/development/samples/VoiceRecognitionService/Android.mk
Executable file
14
android/development/samples/VoiceRecognitionService/Android.mk
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LOCAL_PATH:= $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_MODULE_TAGS := samples
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LOCAL_SRC_FILES := $(call all-subdir-java-files)
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LOCAL_SDK_VERSION := current
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LOCAL_DEX_PREOPT := false
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LOCAL_PACKAGE_NAME := VoiceRecognitionService
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include $(BUILD_PACKAGE)
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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/*
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** Copyright 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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-->
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.android.voicerecognitionservice">
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<uses-sdk android:minSdkVersion="8" />
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<application>
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<!-- The service that implements voice recognition. Note that a label
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for the service is important to provide, as this is what will show
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to users if they have to choose between multiple recognizers in
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system settings. -->
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<service android:name="VoiceRecognitionService"
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android:label="@string/service_name">
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<intent-filter>
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<!-- Here we identify that we are a RecognitionService by specifying that
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we satisfy RecognitionService's interface intent.
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The constant value is defined at RecognitionService.SERVICE_INTERFACE. -->
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<action android:name="android.speech.RecognitionService" />
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<category android:name="android.intent.category.DEFAULT" />
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</intent-filter>
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<!-- This points to a metadata xml file that contains information about this
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RecognitionService - specifically, the name of the settings activity to
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expose in system settings.
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The constant value is defined at RecognitionService.SERVICE_META_DATA. -->
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<meta-data android:name="android.speech" android:resource="@xml/recognizer" />
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</service>
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<!-- The settings activity for this sample voice recognizer. -->
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<activity android:name=".VoiceRecognitionSettings"
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android:label="@string/settings_name"
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android:exported="true" />
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</application>
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</manifest>
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<p>A sample application that demonstrates Android's pluggable voice recognition framework.</p>
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<p>This application includes a
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<a href="src/com/example/android/voicerecognitionservice/VoiceRecognitionService.html">
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sample voice recognition service</a> (a subclass of
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<code><a href="../../../reference/android/speech/RecognitionService.html">RecognitionService</a></code>),
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and a <a href="src/com/example/android/voicerecognitionservice/VoiceRecognitionSettings.html">
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settings activity</a> for that service. It shows the basic skeleton for setting up a recognition
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service and exposing its settings activity to settings.</p>
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<p>The behavior is extremely simple - it does no real voice recognition, and just returns a
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fixed set of results immediately. The results can be either a set of letters or numbers, as
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chosen by the user in the simplistic settings activity.</p>
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<p>Installing this application onto a device that already has a voice recognition service
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available will expose a new option under "voice input & output" settings, to let the
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user choose between the multiple services.</p>
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<p>Note that due to its simplicity, this voice recognition service is not compatible with
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every application that wishes to use voice recognition. For example, because Google's
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VoiceSearch application relies on more than just simple text results, it may not work
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as expected if this sample recognition service is chosen in settings. Other simpler
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applications, like voice input on the keyboard (e.g., in LatinIME), are more likely to
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work as expected - returning just the very simple list of results to the application.</p>
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<p>See also:</p>
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<ul>
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<li><a href="../../../reference/android/speech/RecognitionService.html">RecognitionService</a></li>
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</ul>
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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/*
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** Copyright 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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-->
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<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
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<!-- The name for the recognizer - to be shown in system settings. -->
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<string name="service_name">Sample Recognizer</string>
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<!-- The name of the settings activity. -->
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<string name="settings_name">Voice Recognition Settings</string>
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<!-- The title of the preference for the type of results to return (letters or numbers). -->
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<string name="results_type_title">Results type</string>
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<!-- The entry names of the preference for the type of results to return
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(letters or numbers). -->
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<string-array name="results_type_entries">
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<item>Letters</item>
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<item>Numbers</item>
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</string-array>
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<!-- The entry values of the preference for the type of results to return
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(letters or numbers). -->
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<string-array name="results_type_values">
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<item>0</item>
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<item>1</item>
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</string-array>
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<!-- The default value of the preference for the type of results to return
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(letters or numbers). -->
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<string name="results_type_default_value">0</string>
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</resources>
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (C) 2010, The Android Open Source Project
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
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android:title="@string/settings_name">
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<!-- This setting lets you choose what kind of fake results you get from
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this sample recognizer. If you choose "letters", you'll get letters
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like "a", "b", "c" in the list of results. If you choose "numbers",
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you'll get numbers like "1", "2", "3" in the list of results. -->
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<ListPreference
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android:key="results_type"
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android:title="@string/results_type_title"
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android:entries="@array/results_type_entries"
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android:entryValues="@array/results_type_values"
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android:dialogTitle="@string/results_type_title"
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android:defaultValue="@string/results_type_default_value"
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/>
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</PreferenceScreen>
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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/**
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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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-->
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<!-- The attributes in this XML file provide configuration information
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for the sample voice recognizer. -->
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<recognition-service xmlns:android="http://schemas.android.com/apk/res/android"
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android:settingsActivity="com.example.android.voicerecognitionservice.VoiceRecognitionSettings"
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/>
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/*
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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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/*
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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"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.example.android.voicerecognitionservice;
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import android.os.Bundle;
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import android.preference.PreferenceActivity;
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/**
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* A settings activity for the sample voice recognizer.
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*/
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public class VoiceRecognitionSettings extends PreferenceActivity {
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// The name of the SharedPreferences file we'll store preferences in.
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public static final String SHARED_PREFERENCES_NAME = "VoiceRecognitionService";
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// The key to the preference for the type of results to show (letters or numbers).
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// Identical to the value specified in res/values/strings.xml.
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public static final String PREF_KEY_RESULTS_TYPE = "results_type";
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// The values of the preferences for the type of results to show (letters or numbers).
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// Identical to the values specified in res/values/strings.xml.
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public static final int RESULT_TYPE_LETTERS = 0;
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public static final int RESULT_TYPE_NUMBERS = 1;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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getPreferenceManager().setSharedPreferencesName(SHARED_PREFERENCES_NAME);
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addPreferencesFromResource(R.xml.preferences);
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}
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}
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