Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.settings; |
| 18 | |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 19 | import org.xmlpull.v1.XmlPullParser; |
| 20 | import org.xmlpull.v1.XmlPullParserException; |
| 21 | |
| 22 | import android.content.ComponentName; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 23 | import android.content.Intent; |
| 24 | import android.content.pm.PackageManager; |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 25 | import android.content.pm.ResolveInfo; |
| 26 | import android.content.pm.ServiceInfo; |
Dianne Hackborn | 0382a49 | 2010-03-04 11:44:09 -0800 | [diff] [blame] | 27 | import android.content.pm.PackageManager.NameNotFoundException; |
| 28 | import android.content.res.Resources; |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 29 | import android.content.res.TypedArray; |
| 30 | import android.content.res.XmlResourceParser; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 31 | import android.os.Bundle; |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 32 | import android.preference.ListPreference; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 33 | import android.preference.Preference; |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 34 | import android.preference.PreferenceCategory; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 35 | import android.preference.PreferenceGroup; |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 36 | import android.preference.PreferenceScreen; |
| 37 | import android.preference.Preference.OnPreferenceChangeListener; |
| 38 | import android.provider.Settings; |
| 39 | import android.speech.RecognitionService; |
| 40 | import android.util.AttributeSet; |
| 41 | import android.util.Log; |
| 42 | import android.util.Xml; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 43 | |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 44 | import java.io.IOException; |
| 45 | import java.util.HashMap; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 46 | import java.util.List; |
| 47 | |
| 48 | /** |
| 49 | * Settings screen for voice input/output. |
| 50 | */ |
Amith Yamasani | d799347 | 2010-08-18 13:59:28 -0700 | [diff] [blame] | 51 | public class VoiceInputOutputSettings extends SettingsPreferenceFragment |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 52 | implements OnPreferenceChangeListener { |
| 53 | |
| 54 | private static final String TAG = "VoiceInputOutputSettings"; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 55 | |
| 56 | private static final String KEY_PARENT = "parent"; |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 57 | private static final String KEY_VOICE_INPUT_CATEGORY = "voice_input_category"; |
| 58 | private static final String KEY_RECOGNIZER = "recognizer"; |
| 59 | private static final String KEY_RECOGNIZER_SETTINGS = "recognizer_settings"; |
| 60 | |
| 61 | private PreferenceGroup mParent; |
| 62 | private PreferenceCategory mVoiceInputCategory; |
| 63 | private ListPreference mRecognizerPref; |
| 64 | private PreferenceScreen mSettingsPref; |
| 65 | |
| 66 | private HashMap<String, ResolveInfo> mAvailableRecognizersMap; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 67 | |
| 68 | @Override |
Amith Yamasani | d799347 | 2010-08-18 13:59:28 -0700 | [diff] [blame] | 69 | public void onCreate(Bundle icicle) { |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 70 | super.onCreate(icicle); |
| 71 | |
| 72 | addPreferencesFromResource(R.xml.voice_input_output_settings); |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 73 | |
| 74 | mParent = (PreferenceGroup) findPreference(KEY_PARENT); |
| 75 | mVoiceInputCategory = (PreferenceCategory) mParent.findPreference(KEY_VOICE_INPUT_CATEGORY); |
| 76 | mRecognizerPref = (ListPreference) mParent.findPreference(KEY_RECOGNIZER); |
| 77 | mRecognizerPref.setOnPreferenceChangeListener(this); |
| 78 | mSettingsPref = (PreferenceScreen) mParent.findPreference(KEY_RECOGNIZER_SETTINGS); |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 79 | |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 80 | mAvailableRecognizersMap = new HashMap<String, ResolveInfo>(); |
| 81 | |
| 82 | populateOrRemoveRecognizerPreference(); |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 83 | } |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 84 | |
| 85 | private void populateOrRemoveRecognizerPreference() { |
| 86 | List<ResolveInfo> availableRecognitionServices = getPackageManager().queryIntentServices( |
| 87 | new Intent(RecognitionService.SERVICE_INTERFACE), PackageManager.GET_META_DATA); |
| 88 | int numAvailable = availableRecognitionServices.size(); |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 89 | |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 90 | if (numAvailable == 0) { |
| 91 | // No recognizer available - remove all related preferences. |
| 92 | removePreference(mVoiceInputCategory); |
| 93 | removePreference(mRecognizerPref); |
| 94 | removePreference(mSettingsPref); |
| 95 | } else if (numAvailable == 1) { |
Mike LeBeau | 4c2ffc5 | 2010-02-12 14:47:48 -0800 | [diff] [blame] | 96 | // Only one recognizer available, so don't show the list of choices, but do |
| 97 | // set up the link to settings for the available recognizer. |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 98 | removePreference(mRecognizerPref); |
Mike LeBeau | 4c2ffc5 | 2010-02-12 14:47:48 -0800 | [diff] [blame] | 99 | |
| 100 | // But first set up the available recognizers map with just the one recognizer. |
| 101 | ResolveInfo resolveInfo = availableRecognitionServices.get(0); |
| 102 | String recognizerComponent = |
| 103 | new ComponentName(resolveInfo.serviceInfo.packageName, |
Mike LeBeau | effc754 | 2010-02-23 14:51:10 -0800 | [diff] [blame] | 104 | resolveInfo.serviceInfo.name).flattenToShortString(); |
| 105 | |
Mike LeBeau | 4c2ffc5 | 2010-02-12 14:47:48 -0800 | [diff] [blame] | 106 | mAvailableRecognizersMap.put(recognizerComponent, resolveInfo); |
| 107 | |
| 108 | String currentSetting = Settings.Secure.getString( |
| 109 | getContentResolver(), Settings.Secure.VOICE_RECOGNITION_SERVICE); |
| 110 | updateSettingsLink(currentSetting); |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 111 | } else { |
| 112 | // Multiple recognizers available, so show the full list of choices. |
| 113 | populateRecognizerPreference(availableRecognitionServices); |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 114 | } |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | private void removePreference(Preference pref) { |
| 118 | if (pref != null) { |
| 119 | mParent.removePreference(pref); |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | private void populateRecognizerPreference(List<ResolveInfo> recognizers) { |
| 124 | int size = recognizers.size(); |
| 125 | CharSequence[] entries = new CharSequence[size]; |
| 126 | CharSequence[] values = new CharSequence[size]; |
| 127 | |
| 128 | // Get the current value from the secure setting. |
| 129 | String currentSetting = Settings.Secure.getString( |
| 130 | getContentResolver(), Settings.Secure.VOICE_RECOGNITION_SERVICE); |
| 131 | |
| 132 | // Iterate through all the available recognizers and load up their info to show |
| 133 | // in the preference. Also build up a map of recognizer component names to their |
| 134 | // ResolveInfos - we'll need that a little later. |
| 135 | for (int i = 0; i < size; i++) { |
| 136 | ResolveInfo resolveInfo = recognizers.get(i); |
| 137 | String recognizerComponent = |
| 138 | new ComponentName(resolveInfo.serviceInfo.packageName, |
Mike LeBeau | effc754 | 2010-02-23 14:51:10 -0800 | [diff] [blame] | 139 | resolveInfo.serviceInfo.name).flattenToShortString(); |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 140 | |
| 141 | mAvailableRecognizersMap.put(recognizerComponent, resolveInfo); |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 142 | |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 143 | entries[i] = resolveInfo.loadLabel(getPackageManager()); |
| 144 | values[i] = recognizerComponent; |
| 145 | } |
| 146 | |
| 147 | mRecognizerPref.setEntries(entries); |
| 148 | mRecognizerPref.setEntryValues(values); |
| 149 | |
| 150 | mRecognizerPref.setDefaultValue(currentSetting); |
| 151 | mRecognizerPref.setValue(currentSetting); |
| 152 | |
| 153 | updateSettingsLink(currentSetting); |
| 154 | } |
| 155 | |
| 156 | private void updateSettingsLink(String currentSetting) { |
| 157 | ResolveInfo currentRecognizer = mAvailableRecognizersMap.get(currentSetting); |
| 158 | ServiceInfo si = currentRecognizer.serviceInfo; |
| 159 | XmlResourceParser parser = null; |
| 160 | String settingsActivity = null; |
| 161 | try { |
| 162 | parser = si.loadXmlMetaData(getPackageManager(), RecognitionService.SERVICE_META_DATA); |
| 163 | if (parser == null) { |
| 164 | throw new XmlPullParserException("No " + RecognitionService.SERVICE_META_DATA + |
| 165 | " meta-data for " + si.packageName); |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 166 | } |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 167 | |
Dianne Hackborn | 0382a49 | 2010-03-04 11:44:09 -0800 | [diff] [blame] | 168 | Resources res = getPackageManager().getResourcesForApplication( |
| 169 | si.applicationInfo); |
| 170 | |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 171 | AttributeSet attrs = Xml.asAttributeSet(parser); |
| 172 | |
| 173 | int type; |
| 174 | while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| 175 | && type != XmlPullParser.START_TAG) { |
| 176 | } |
| 177 | |
| 178 | String nodeName = parser.getName(); |
| 179 | if (!"recognition-service".equals(nodeName)) { |
| 180 | throw new XmlPullParserException( |
| 181 | "Meta-data does not start with recognition-service tag"); |
| 182 | } |
| 183 | |
Dianne Hackborn | 0382a49 | 2010-03-04 11:44:09 -0800 | [diff] [blame] | 184 | TypedArray array = res.obtainAttributes(attrs, |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 185 | com.android.internal.R.styleable.RecognitionService); |
| 186 | settingsActivity = array.getString( |
| 187 | com.android.internal.R.styleable.RecognitionService_settingsActivity); |
| 188 | array.recycle(); |
| 189 | } catch (XmlPullParserException e) { |
| 190 | Log.e(TAG, "error parsing recognition service meta-data", e); |
| 191 | } catch (IOException e) { |
| 192 | Log.e(TAG, "error parsing recognition service meta-data", e); |
Dianne Hackborn | 0382a49 | 2010-03-04 11:44:09 -0800 | [diff] [blame] | 193 | } catch (NameNotFoundException e) { |
| 194 | Log.e(TAG, "error parsing recognition service meta-data", e); |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 195 | } finally { |
| 196 | if (parser != null) parser.close(); |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 197 | } |
| 198 | |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 199 | if (settingsActivity == null) { |
| 200 | // No settings preference available - hide the preference. |
| 201 | Log.w(TAG, "no recognizer settings available for " + si.packageName); |
| 202 | mSettingsPref.setIntent(null); |
| 203 | mParent.removePreference(mSettingsPref); |
| 204 | } else { |
| 205 | Intent i = new Intent(Intent.ACTION_MAIN); |
| 206 | i.setComponent(new ComponentName(si.packageName, settingsActivity)); |
| 207 | mSettingsPref.setIntent(i); |
Mike LeBeau | 4c2ffc5 | 2010-02-12 14:47:48 -0800 | [diff] [blame] | 208 | mRecognizerPref.setSummary(currentRecognizer.loadLabel(getPackageManager())); |
Mike LeBeau | 766a19b | 2010-02-11 22:57:12 -0800 | [diff] [blame] | 209 | } |
| 210 | } |
| 211 | |
| 212 | public boolean onPreferenceChange(Preference preference, Object newValue) { |
| 213 | if (preference == mRecognizerPref) { |
| 214 | String setting = (String) newValue; |
| 215 | |
| 216 | // Put the new value back into secure settings. |
| 217 | Settings.Secure.putString( |
| 218 | getContentResolver(), |
| 219 | Settings.Secure.VOICE_RECOGNITION_SERVICE, |
| 220 | setting); |
| 221 | |
| 222 | // Update the settings item so it points to the right settings. |
| 223 | updateSettingsLink(setting); |
| 224 | } |
| 225 | return true; |
Mike LeBeau | 92c3352 | 2010-01-25 18:18:45 -0500 | [diff] [blame] | 226 | } |
| 227 | } |