2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.settings.inputmethod;
19 import android.app.Activity;
20 import android.app.Fragment;
21 import android.app.admin.DevicePolicyManager;
22 import android.content.ComponentName;
23 import android.content.ContentResolver;
24 import android.content.Context;
25 import android.content.Intent;
26 import android.content.SharedPreferences;
27 import android.content.pm.ServiceInfo;
28 import android.content.res.Configuration;
29 import android.database.ContentObserver;
30 import android.hardware.input.InputDeviceIdentifier;
31 import android.hardware.input.InputManager;
32 import android.hardware.input.KeyboardLayout;
33 import android.os.Bundle;
34 import android.os.Handler;
35 import android.preference.ListPreference;
36 import android.preference.Preference;
37 import android.preference.Preference.OnPreferenceClickListener;
38 import android.preference.PreferenceCategory;
39 import android.preference.PreferenceManager;
40 import android.preference.PreferenceScreen;
41 import android.preference.SwitchPreference;
42 import android.provider.Settings;
43 import android.provider.Settings.System;
44 import android.speech.tts.TtsEngines;
45 import android.text.TextUtils;
46 import android.view.InputDevice;
47 import android.view.inputmethod.InputMethodInfo;
48 import android.view.inputmethod.InputMethodManager;
49 import android.view.inputmethod.InputMethodSubtype;
50 import android.view.textservice.SpellCheckerInfo;
51 import android.view.textservice.TextServicesManager;
53 import com.android.internal.app.LocalePicker;
54 import com.android.internal.logging.MetricsLogger;
55 import com.android.settings.R;
56 import com.android.settings.Settings.KeyboardLayoutPickerActivity;
57 import com.android.settings.SettingsActivity;
58 import com.android.settings.SettingsPreferenceFragment;
59 import com.android.settings.SubSettings;
60 import com.android.settings.UserDictionarySettings;
61 import com.android.settings.Utils;
62 import com.android.settings.VoiceInputOutputSettings;
63 import com.android.settings.search.BaseSearchIndexProvider;
64 import com.android.settings.search.Indexable;
65 import com.android.settings.search.SearchIndexableRaw;
67 import java.text.Collator;
68 import java.util.ArrayList;
69 import java.util.Collections;
70 import java.util.Comparator;
71 import java.util.HashMap;
72 import java.util.HashSet;
73 import java.util.List;
74 import java.util.Locale;
75 import java.util.TreeSet;
77 public class InputMethodAndLanguageSettings extends SettingsPreferenceFragment
78 implements Preference.OnPreferenceChangeListener, InputManager.InputDeviceListener,
79 KeyboardLayoutDialogFragment.OnSetupKeyboardLayoutsListener, Indexable,
80 InputMethodPreference.OnSavePreferenceListener {
81 private static final String KEY_SPELL_CHECKERS = "spellcheckers_settings";
82 private static final String KEY_PHONE_LANGUAGE = "phone_language";
83 private static final String KEY_CURRENT_INPUT_METHOD = "current_input_method";
84 private static final String KEY_INPUT_METHOD_SELECTOR = "input_method_selector";
85 private static final String KEY_USER_DICTIONARY_SETTINGS = "key_user_dictionary_settings";
86 private static final String KEY_PREVIOUSLY_ENABLED_SUBTYPES = "previously_enabled_subtypes";
87 // false: on ICS or later
88 private static final boolean SHOW_INPUT_METHOD_SWITCHER_SETTINGS = false;
90 private int mDefaultInputMethodSelectorVisibility = 0;
91 private ListPreference mShowInputMethodSelectorPref;
92 private PreferenceCategory mKeyboardSettingsCategory;
93 private PreferenceCategory mHardKeyboardCategory;
94 private PreferenceCategory mGameControllerCategory;
95 private Preference mLanguagePref;
96 private final ArrayList<InputMethodPreference> mInputMethodPreferenceList = new ArrayList<>();
97 private final ArrayList<PreferenceScreen> mHardKeyboardPreferenceList = new ArrayList<>();
98 private InputManager mIm;
99 private InputMethodManager mImm;
100 private boolean mShowsOnlyFullImeAndKeyboardList;
101 private Handler mHandler;
102 private SettingsObserver mSettingsObserver;
103 private Intent mIntentWaitingForResult;
104 private InputMethodSettingValuesWrapper mInputMethodSettingValues;
105 private DevicePolicyManager mDpm;
108 protected int getMetricsCategory() {
109 return MetricsLogger.INPUTMETHOD_LANGUAGE;
113 public void onCreate(Bundle icicle) {
114 super.onCreate(icicle);
116 addPreferencesFromResource(R.xml.language_settings);
118 final Activity activity = getActivity();
119 mImm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
120 mInputMethodSettingValues = InputMethodSettingValuesWrapper.getInstance(activity);
123 mDefaultInputMethodSelectorVisibility = Integer.valueOf(
124 getString(R.string.input_method_selector_visibility_default_value));
125 } catch (NumberFormatException e) {
128 if (activity.getAssets().getLocales().length == 1) {
129 // No "Select language" pref if there's only one system locale available.
130 getPreferenceScreen().removePreference(findPreference(KEY_PHONE_LANGUAGE));
132 mLanguagePref = findPreference(KEY_PHONE_LANGUAGE);
134 if (SHOW_INPUT_METHOD_SWITCHER_SETTINGS) {
135 mShowInputMethodSelectorPref = (ListPreference)findPreference(
136 KEY_INPUT_METHOD_SELECTOR);
137 mShowInputMethodSelectorPref.setOnPreferenceChangeListener(this);
138 // TODO: Update current input method name on summary
139 updateInputMethodSelectorSummary(loadInputMethodSelectorVisibility());
142 new VoiceInputOutputSettings(this).onCreate();
144 // Get references to dynamically constructed categories.
145 mHardKeyboardCategory = (PreferenceCategory)findPreference("hard_keyboard");
146 mKeyboardSettingsCategory = (PreferenceCategory)findPreference(
147 "keyboard_settings_category");
148 mGameControllerCategory = (PreferenceCategory)findPreference(
149 "game_controller_settings_category");
151 final Intent startingIntent = activity.getIntent();
152 // Filter out irrelevant features if invoked from IME settings button.
153 mShowsOnlyFullImeAndKeyboardList = Settings.ACTION_INPUT_METHOD_SETTINGS.equals(
154 startingIntent.getAction());
155 if (mShowsOnlyFullImeAndKeyboardList) {
156 getPreferenceScreen().removeAll();
157 getPreferenceScreen().addPreference(mHardKeyboardCategory);
158 if (SHOW_INPUT_METHOD_SWITCHER_SETTINGS) {
159 getPreferenceScreen().addPreference(mShowInputMethodSelectorPref);
161 mKeyboardSettingsCategory.removeAll();
162 getPreferenceScreen().addPreference(mKeyboardSettingsCategory);
165 // Build hard keyboard and game controller preference categories.
166 mIm = (InputManager)activity.getSystemService(Context.INPUT_SERVICE);
167 updateInputDevices();
170 final Preference spellChecker = findPreference(KEY_SPELL_CHECKERS);
171 if (spellChecker != null) {
172 // Note: KEY_SPELL_CHECKERS preference is marked as persistent="false" in XML.
173 InputMethodAndSubtypeUtil.removeUnnecessaryNonPersistentPreference(spellChecker);
174 final Intent intent = new Intent(Intent.ACTION_MAIN);
175 intent.setClass(activity, SubSettings.class);
176 intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT,
177 SpellCheckersSettings.class.getName());
178 intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_TITLE_RESID,
179 R.string.spellcheckers_settings_title);
180 spellChecker.setIntent(intent);
183 mHandler = new Handler();
184 mSettingsObserver = new SettingsObserver(mHandler, activity);
185 mDpm = (DevicePolicyManager) (getActivity().
186 getSystemService(Context.DEVICE_POLICY_SERVICE));
188 // If we've launched from the keyboard layout notification, go ahead and just show the
189 // keyboard layout dialog.
190 final InputDeviceIdentifier identifier =
191 startingIntent.getParcelableExtra(Settings.EXTRA_INPUT_DEVICE_IDENTIFIER);
192 if (mShowsOnlyFullImeAndKeyboardList && identifier != null) {
193 showKeyboardLayoutDialog(identifier);
197 private void updateInputMethodSelectorSummary(int value) {
198 String[] inputMethodSelectorTitles = getResources().getStringArray(
199 R.array.input_method_selector_titles);
200 if (inputMethodSelectorTitles.length > value) {
201 mShowInputMethodSelectorPref.setSummary(inputMethodSelectorTitles[value]);
202 mShowInputMethodSelectorPref.setValue(String.valueOf(value));
206 private void updateUserDictionaryPreference(Preference userDictionaryPreference) {
207 final Activity activity = getActivity();
208 final TreeSet<String> localeSet = UserDictionaryList.getUserDictionaryLocalesSet(activity);
209 if (null == localeSet) {
210 // The locale list is null if and only if the user dictionary service is
211 // not present or disabled. In this case we need to remove the preference.
212 getPreferenceScreen().removePreference(userDictionaryPreference);
214 userDictionaryPreference.setOnPreferenceClickListener(
215 new OnPreferenceClickListener() {
217 public boolean onPreferenceClick(Preference arg0) {
218 // Redirect to UserDictionarySettings if the user needs only one
220 final Bundle extras = new Bundle();
221 final Class<? extends Fragment> targetFragment;
222 if (localeSet.size() <= 1) {
223 if (!localeSet.isEmpty()) {
224 // If the size of localeList is 0, we don't set the locale
225 // parameter in the extras. This will be interpreted by the
226 // UserDictionarySettings class as meaning
227 // "the current locale". Note that with the current code for
228 // UserDictionaryList#getUserDictionaryLocalesSet()
229 // the locale list always has at least one element, since it
230 // always includes the current locale explicitly.
231 // @see UserDictionaryList.getUserDictionaryLocalesSet().
232 extras.putString("locale", localeSet.first());
234 targetFragment = UserDictionarySettings.class;
236 targetFragment = UserDictionaryList.class;
238 startFragment(InputMethodAndLanguageSettings.this,
239 targetFragment.getCanonicalName(), -1, -1, extras);
247 public void onResume() {
250 mSettingsObserver.resume();
251 mIm.registerInputDeviceListener(this, null);
253 final Preference spellChecker = findPreference(KEY_SPELL_CHECKERS);
254 if (spellChecker != null) {
255 final TextServicesManager tsm = (TextServicesManager) getSystemService(
256 Context.TEXT_SERVICES_MANAGER_SERVICE);
257 final SpellCheckerInfo sci = tsm.getCurrentSpellChecker();
258 spellChecker.setEnabled(sci != null);
259 if (tsm.isSpellCheckerEnabled() && sci != null) {
260 spellChecker.setSummary(sci.loadLabel(getPackageManager()));
262 spellChecker.setSummary(R.string.switch_off_text);
266 if (!mShowsOnlyFullImeAndKeyboardList) {
267 if (mLanguagePref != null) {
268 String localeName = getLocaleName(getActivity());
269 mLanguagePref.setSummary(localeName);
272 updateUserDictionaryPreference(findPreference(KEY_USER_DICTIONARY_SETTINGS));
273 if (SHOW_INPUT_METHOD_SWITCHER_SETTINGS) {
274 mShowInputMethodSelectorPref.setOnPreferenceChangeListener(this);
278 updateInputDevices();
280 // Refresh internal states in mInputMethodSettingValues to keep the latest
281 // "InputMethodInfo"s and "InputMethodSubtype"s
282 mInputMethodSettingValues.refreshAllInputMethodAndSubtypes();
283 updateInputMethodPreferenceViews();
287 public void onPause() {
290 mIm.unregisterInputDeviceListener(this);
291 mSettingsObserver.pause();
293 if (SHOW_INPUT_METHOD_SWITCHER_SETTINGS) {
294 mShowInputMethodSelectorPref.setOnPreferenceChangeListener(null);
296 // TODO: Consolidate the logic to InputMethodSettingsWrapper
297 InputMethodAndSubtypeUtil.saveInputMethodSubtypeList(
298 this, getContentResolver(), mInputMethodSettingValues.getInputMethodList(),
299 !mHardKeyboardPreferenceList.isEmpty());
303 public void onInputDeviceAdded(int deviceId) {
304 updateInputDevices();
308 public void onInputDeviceChanged(int deviceId) {
309 updateInputDevices();
313 public void onInputDeviceRemoved(int deviceId) {
314 updateInputDevices();
318 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
319 // Input Method stuff
320 if (Utils.isMonkeyRunning()) {
323 if (preference instanceof PreferenceScreen) {
324 if (preference.getFragment() != null) {
325 // Fragment will be handled correctly by the super class.
326 } else if (KEY_CURRENT_INPUT_METHOD.equals(preference.getKey())) {
327 final InputMethodManager imm = (InputMethodManager)
328 getSystemService(Context.INPUT_METHOD_SERVICE);
329 imm.showInputMethodPicker(false /* showAuxiliarySubtypes */);
331 } else if (preference instanceof SwitchPreference) {
332 final SwitchPreference pref = (SwitchPreference) preference;
333 if (pref == mGameControllerCategory.findPreference("vibrate_input_devices")) {
334 System.putInt(getContentResolver(), Settings.System.VIBRATE_INPUT_DEVICES,
335 pref.isChecked() ? 1 : 0);
339 return super.onPreferenceTreeClick(preferenceScreen, preference);
342 private static String getLocaleName(Context context) {
343 // We want to show the same string that the LocalePicker used.
344 // TODO: should this method be in LocalePicker instead?
345 Locale currentLocale = context.getResources().getConfiguration().locale;
346 List<LocalePicker.LocaleInfo> locales = LocalePicker.getAllAssetLocales(context, true);
347 for (LocalePicker.LocaleInfo locale : locales) {
348 if (locale.getLocale().equals(currentLocale)) {
349 return locale.getLabel();
352 // This can't happen as long as the locale was one set by Settings.
353 // Fall back in case a developer is testing an unsupported locale.
354 return currentLocale.getDisplayName(currentLocale);
357 private void saveInputMethodSelectorVisibility(String value) {
359 int intValue = Integer.valueOf(value);
360 Settings.Secure.putInt(getContentResolver(),
361 Settings.Secure.INPUT_METHOD_SELECTOR_VISIBILITY, intValue);
362 updateInputMethodSelectorSummary(intValue);
363 } catch(NumberFormatException e) {
367 private int loadInputMethodSelectorVisibility() {
368 return Settings.Secure.getInt(getContentResolver(),
369 Settings.Secure.INPUT_METHOD_SELECTOR_VISIBILITY,
370 mDefaultInputMethodSelectorVisibility);
374 public boolean onPreferenceChange(Preference preference, Object value) {
375 if (SHOW_INPUT_METHOD_SWITCHER_SETTINGS) {
376 if (preference == mShowInputMethodSelectorPref) {
377 if (value instanceof String) {
378 saveInputMethodSelectorVisibility((String)value);
385 private void updateInputMethodPreferenceViews() {
386 synchronized (mInputMethodPreferenceList) {
387 // Clear existing "InputMethodPreference"s
388 for (final InputMethodPreference pref : mInputMethodPreferenceList) {
389 mKeyboardSettingsCategory.removePreference(pref);
391 mInputMethodPreferenceList.clear();
392 List<String> permittedList = mDpm.getPermittedInputMethodsForCurrentUser();
393 final Context context = getActivity();
394 final List<InputMethodInfo> imis = mShowsOnlyFullImeAndKeyboardList
395 ? mInputMethodSettingValues.getInputMethodList()
396 : mImm.getEnabledInputMethodList();
397 final int N = (imis == null ? 0 : imis.size());
398 for (int i = 0; i < N; ++i) {
399 final InputMethodInfo imi = imis.get(i);
400 final boolean isAllowedByOrganization = permittedList == null
401 || permittedList.contains(imi.getPackageName());
402 final InputMethodPreference pref = new InputMethodPreference(
403 context, imi, mShowsOnlyFullImeAndKeyboardList /* hasSwitch */,
404 isAllowedByOrganization, this);
405 mInputMethodPreferenceList.add(pref);
407 final Collator collator = Collator.getInstance();
408 Collections.sort(mInputMethodPreferenceList, new Comparator<InputMethodPreference>() {
410 public int compare(InputMethodPreference lhs, InputMethodPreference rhs) {
411 return lhs.compareTo(rhs, collator);
414 for (int i = 0; i < N; ++i) {
415 final InputMethodPreference pref = mInputMethodPreferenceList.get(i);
416 mKeyboardSettingsCategory.addPreference(pref);
417 InputMethodAndSubtypeUtil.removeUnnecessaryNonPersistentPreference(pref);
418 pref.updatePreferenceViews();
421 updateCurrentImeName();
422 // TODO: Consolidate the logic with InputMethodSettingsWrapper
423 // CAVEAT: The preference class here does not know about the default value - that is
424 // managed by the Input Method Manager Service, so in this case it could save the wrong
425 // value. Hence we must update the checkboxes here.
426 InputMethodAndSubtypeUtil.loadInputMethodSubtypeList(
427 this, getContentResolver(),
428 mInputMethodSettingValues.getInputMethodList(), null);
432 public void onSaveInputMethodPreference(final InputMethodPreference pref) {
433 final InputMethodInfo imi = pref.getInputMethodInfo();
434 if (!pref.isChecked()) {
435 // An IME is being disabled. Save enabled subtypes of the IME to shared preference to be
436 // able to re-enable these subtypes when the IME gets re-enabled.
437 saveEnabledSubtypesOf(imi);
439 final boolean hasHardwareKeyboard = getResources().getConfiguration().keyboard
440 == Configuration.KEYBOARD_QWERTY;
441 InputMethodAndSubtypeUtil.saveInputMethodSubtypeList(this, getContentResolver(),
442 mImm.getInputMethodList(), hasHardwareKeyboard);
443 // Update input method settings and preference list.
444 mInputMethodSettingValues.refreshAllInputMethodAndSubtypes();
445 if (pref.isChecked()) {
446 // An IME is being enabled. Load the previously enabled subtypes from shared preference
447 // and enable these subtypes.
448 restorePreviouslyEnabledSubtypesOf(imi);
450 for (final InputMethodPreference p : mInputMethodPreferenceList) {
451 p.updatePreferenceViews();
455 private void saveEnabledSubtypesOf(final InputMethodInfo imi) {
456 final HashSet<String> enabledSubtypeIdSet = new HashSet<>();
457 final List<InputMethodSubtype> enabledSubtypes = mImm.getEnabledInputMethodSubtypeList(
458 imi, true /* allowsImplicitlySelectedSubtypes */);
459 for (final InputMethodSubtype subtype : enabledSubtypes) {
460 final String subtypeId = Integer.toString(subtype.hashCode());
461 enabledSubtypeIdSet.add(subtypeId);
463 final HashMap<String, HashSet<String>> imeToEnabledSubtypeIdsMap =
464 loadPreviouslyEnabledSubtypeIdsMap();
465 final String imiId = imi.getId();
466 imeToEnabledSubtypeIdsMap.put(imiId, enabledSubtypeIdSet);
467 savePreviouslyEnabledSubtypeIdsMap(imeToEnabledSubtypeIdsMap);
470 private void restorePreviouslyEnabledSubtypesOf(final InputMethodInfo imi) {
471 final HashMap<String, HashSet<String>> imeToEnabledSubtypeIdsMap =
472 loadPreviouslyEnabledSubtypeIdsMap();
473 final String imiId = imi.getId();
474 final HashSet<String> enabledSubtypeIdSet = imeToEnabledSubtypeIdsMap.remove(imiId);
475 if (enabledSubtypeIdSet == null) {
478 savePreviouslyEnabledSubtypeIdsMap(imeToEnabledSubtypeIdsMap);
479 InputMethodAndSubtypeUtil.enableInputMethodSubtypesOf(
480 getContentResolver(), imiId, enabledSubtypeIdSet);
483 private HashMap<String, HashSet<String>> loadPreviouslyEnabledSubtypeIdsMap() {
484 final Context context = getActivity();
485 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
486 final String imesAndSubtypesString = prefs.getString(KEY_PREVIOUSLY_ENABLED_SUBTYPES, null);
487 return InputMethodAndSubtypeUtil.parseInputMethodsAndSubtypesString(imesAndSubtypesString);
490 private void savePreviouslyEnabledSubtypeIdsMap(
491 final HashMap<String, HashSet<String>> subtypesMap) {
492 final Context context = getActivity();
493 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
494 final String imesAndSubtypesString = InputMethodAndSubtypeUtil
495 .buildInputMethodsAndSubtypesString(subtypesMap);
496 prefs.edit().putString(KEY_PREVIOUSLY_ENABLED_SUBTYPES, imesAndSubtypesString).apply();
499 private void updateCurrentImeName() {
500 final Context context = getActivity();
501 if (context == null || mImm == null) return;
502 final Preference curPref = getPreferenceScreen().findPreference(KEY_CURRENT_INPUT_METHOD);
503 if (curPref != null) {
504 final CharSequence curIme =
505 mInputMethodSettingValues.getCurrentInputMethodName(context);
506 if (!TextUtils.isEmpty(curIme)) {
507 synchronized (this) {
508 curPref.setSummary(curIme);
514 private void updateInputDevices() {
515 updateHardKeyboards();
516 updateGameControllers();
519 private void updateHardKeyboards() {
520 mHardKeyboardPreferenceList.clear();
521 final int[] devices = InputDevice.getDeviceIds();
522 for (int i = 0; i < devices.length; i++) {
523 InputDevice device = InputDevice.getDevice(devices[i]);
525 && !device.isVirtual()
526 && device.isFullKeyboard()) {
527 final InputDeviceIdentifier identifier = device.getIdentifier();
528 final String keyboardLayoutDescriptor =
529 mIm.getCurrentKeyboardLayoutForInputDevice(identifier);
530 final KeyboardLayout keyboardLayout = keyboardLayoutDescriptor != null ?
531 mIm.getKeyboardLayout(keyboardLayoutDescriptor) : null;
533 final PreferenceScreen pref = new PreferenceScreen(getActivity(), null);
534 pref.setTitle(device.getName());
535 if (keyboardLayout != null) {
536 pref.setSummary(keyboardLayout.toString());
538 pref.setSummary(R.string.keyboard_layout_default_label);
540 pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
542 public boolean onPreferenceClick(Preference preference) {
543 showKeyboardLayoutDialog(identifier);
547 mHardKeyboardPreferenceList.add(pref);
551 if (!mHardKeyboardPreferenceList.isEmpty()) {
552 for (int i = mHardKeyboardCategory.getPreferenceCount(); i-- > 0; ) {
553 final Preference pref = mHardKeyboardCategory.getPreference(i);
554 if (pref.getOrder() < 1000) {
555 mHardKeyboardCategory.removePreference(pref);
559 Collections.sort(mHardKeyboardPreferenceList);
560 final int count = mHardKeyboardPreferenceList.size();
561 for (int i = 0; i < count; i++) {
562 final Preference pref = mHardKeyboardPreferenceList.get(i);
564 mHardKeyboardCategory.addPreference(pref);
567 getPreferenceScreen().addPreference(mHardKeyboardCategory);
569 getPreferenceScreen().removePreference(mHardKeyboardCategory);
573 private void showKeyboardLayoutDialog(InputDeviceIdentifier inputDeviceIdentifier) {
574 KeyboardLayoutDialogFragment fragment = new KeyboardLayoutDialogFragment(
575 inputDeviceIdentifier);
576 fragment.setTargetFragment(this, 0);
577 fragment.show(getActivity().getFragmentManager(), "keyboardLayout");
581 public void onSetupKeyboardLayouts(InputDeviceIdentifier inputDeviceIdentifier) {
582 final Intent intent = new Intent(Intent.ACTION_MAIN);
583 intent.setClass(getActivity(), KeyboardLayoutPickerActivity.class);
584 intent.putExtra(KeyboardLayoutPickerFragment.EXTRA_INPUT_DEVICE_IDENTIFIER,
585 inputDeviceIdentifier);
586 mIntentWaitingForResult = intent;
587 startActivityForResult(intent, 0);
591 public void onActivityResult(int requestCode, int resultCode, Intent data) {
592 super.onActivityResult(requestCode, resultCode, data);
594 if (mIntentWaitingForResult != null) {
595 InputDeviceIdentifier inputDeviceIdentifier = mIntentWaitingForResult
596 .getParcelableExtra(KeyboardLayoutPickerFragment.EXTRA_INPUT_DEVICE_IDENTIFIER);
597 mIntentWaitingForResult = null;
598 showKeyboardLayoutDialog(inputDeviceIdentifier);
602 private void updateGameControllers() {
603 if (haveInputDeviceWithVibrator()) {
604 getPreferenceScreen().addPreference(mGameControllerCategory);
606 SwitchPreference pref = (SwitchPreference)
607 mGameControllerCategory.findPreference("vibrate_input_devices");
608 pref.setChecked(System.getInt(getContentResolver(),
609 Settings.System.VIBRATE_INPUT_DEVICES, 1) > 0);
611 getPreferenceScreen().removePreference(mGameControllerCategory);
615 private static boolean haveInputDeviceWithVibrator() {
616 final int[] devices = InputDevice.getDeviceIds();
617 for (int i = 0; i < devices.length; i++) {
618 InputDevice device = InputDevice.getDevice(devices[i]);
619 if (device != null && !device.isVirtual() && device.getVibrator().hasVibrator()) {
626 private class SettingsObserver extends ContentObserver {
627 private Context mContext;
629 public SettingsObserver(Handler handler, Context context) {
634 @Override public void onChange(boolean selfChange) {
635 updateCurrentImeName();
638 public void resume() {
639 final ContentResolver cr = mContext.getContentResolver();
640 cr.registerContentObserver(
641 Settings.Secure.getUriFor(Settings.Secure.DEFAULT_INPUT_METHOD), false, this);
642 cr.registerContentObserver(Settings.Secure.getUriFor(
643 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this);
646 public void pause() {
647 mContext.getContentResolver().unregisterContentObserver(this);
651 public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
652 new BaseSearchIndexProvider() {
654 public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
655 List<SearchIndexableRaw> indexables = new ArrayList<>();
657 final String screenTitle = context.getString(R.string.language_keyboard_settings_title);
660 if (context.getAssets().getLocales().length > 1) {
661 String localeName = getLocaleName(context);
662 SearchIndexableRaw indexable = new SearchIndexableRaw(context);
663 indexable.key = KEY_PHONE_LANGUAGE;
664 indexable.title = context.getString(R.string.phone_language);
665 indexable.summaryOn = localeName;
666 indexable.summaryOff = localeName;
667 indexable.screenTitle = screenTitle;
668 indexables.add(indexable);
672 SearchIndexableRaw indexable = new SearchIndexableRaw(context);
673 indexable.key = KEY_SPELL_CHECKERS;
674 indexable.title = context.getString(R.string.spellcheckers_settings_title);
675 indexable.screenTitle = screenTitle;
676 indexable.keywords = context.getString(R.string.keywords_spell_checker);
677 indexables.add(indexable);
680 if (UserDictionaryList.getUserDictionaryLocalesSet(context) != null) {
681 indexable = new SearchIndexableRaw(context);
682 indexable.key = "user_dict_settings";
683 indexable.title = context.getString(R.string.user_dict_settings_title);
684 indexable.screenTitle = screenTitle;
685 indexables.add(indexable);
688 // Keyboard settings.
689 indexable = new SearchIndexableRaw(context);
690 indexable.key = "keyboard_settings";
691 indexable.title = context.getString(R.string.keyboard_settings_category);
692 indexable.screenTitle = screenTitle;
693 indexable.keywords = context.getString(R.string.keywords_keyboard_and_ime);
694 indexables.add(indexable);
696 InputMethodSettingValuesWrapper immValues = InputMethodSettingValuesWrapper
697 .getInstance(context);
698 immValues.refreshAllInputMethodAndSubtypes();
701 String currImeName = immValues.getCurrentInputMethodName(context).toString();
702 indexable = new SearchIndexableRaw(context);
703 indexable.key = KEY_CURRENT_INPUT_METHOD;
704 indexable.title = context.getString(R.string.current_input_method);
705 indexable.summaryOn = currImeName;
706 indexable.summaryOff = currImeName;
707 indexable.screenTitle = screenTitle;
708 indexables.add(indexable);
710 InputMethodManager inputMethodManager = (InputMethodManager) context.getSystemService(
711 Context.INPUT_METHOD_SERVICE);
714 List<InputMethodInfo> inputMethods = immValues.getInputMethodList();
715 final int inputMethodCount = (inputMethods == null ? 0 : inputMethods.size());
716 for (int i = 0; i < inputMethodCount; ++i) {
717 InputMethodInfo inputMethod = inputMethods.get(i);
719 StringBuilder builder = new StringBuilder();
720 List<InputMethodSubtype> subtypes = inputMethodManager
721 .getEnabledInputMethodSubtypeList(inputMethod, true);
722 final int subtypeCount = subtypes.size();
723 for (int j = 0; j < subtypeCount; j++) {
724 InputMethodSubtype subtype = subtypes.get(j);
725 if (builder.length() > 0) {
728 CharSequence subtypeLabel = subtype.getDisplayName(context,
729 inputMethod.getPackageName(), inputMethod.getServiceInfo()
731 builder.append(subtypeLabel);
733 String summary = builder.toString();
735 ServiceInfo serviceInfo = inputMethod.getServiceInfo();
736 ComponentName componentName = new ComponentName(serviceInfo.packageName,
739 indexable = new SearchIndexableRaw(context);
740 indexable.key = componentName.flattenToString();
741 indexable.title = inputMethod.loadLabel(context.getPackageManager()).toString();
742 indexable.summaryOn = summary;
743 indexable.summaryOff = summary;
744 indexable.screenTitle = screenTitle;
745 indexables.add(indexable);
749 InputManager inputManager = (InputManager) context.getSystemService(
750 Context.INPUT_SERVICE);
751 boolean hasHardKeyboards = false;
753 final int[] devices = InputDevice.getDeviceIds();
754 for (int i = 0; i < devices.length; i++) {
755 InputDevice device = InputDevice.getDevice(devices[i]);
756 if (device == null || device.isVirtual() || !device.isFullKeyboard()) {
760 hasHardKeyboards = true;
762 InputDeviceIdentifier identifier = device.getIdentifier();
763 String keyboardLayoutDescriptor =
764 inputManager.getCurrentKeyboardLayoutForInputDevice(identifier);
765 KeyboardLayout keyboardLayout = keyboardLayoutDescriptor != null ?
766 inputManager.getKeyboardLayout(keyboardLayoutDescriptor) : null;
769 if (keyboardLayout != null) {
770 summary = keyboardLayout.toString();
772 summary = context.getString(R.string.keyboard_layout_default_label);
775 indexable = new SearchIndexableRaw(context);
776 indexable.key = device.getName();
777 indexable.title = device.getName();
778 indexable.summaryOn = summary;
779 indexable.summaryOff = summary;
780 indexable.screenTitle = screenTitle;
781 indexables.add(indexable);
784 if (hasHardKeyboards) {
785 // Hard keyboard category.
786 indexable = new SearchIndexableRaw(context);
787 indexable.key = "builtin_keyboard_settings";
788 indexable.title = context.getString(
789 R.string.builtin_keyboard_settings_title);
790 indexable.screenTitle = screenTitle;
791 indexables.add(indexable);
795 TtsEngines ttsEngines = new TtsEngines(context);
796 if (!ttsEngines.getEngines().isEmpty()) {
797 indexable = new SearchIndexableRaw(context);
798 indexable.key = "tts_settings";
799 indexable.title = context.getString(R.string.tts_settings_title);
800 indexable.screenTitle = screenTitle;
801 indexable.keywords = context.getString(R.string.keywords_text_to_speech_output);
802 indexables.add(indexable);
806 indexable = new SearchIndexableRaw(context);
807 indexable.key = "pointer_settings_category";
808 indexable.title = context.getString(R.string.pointer_settings_category);
809 indexable.screenTitle = screenTitle;
810 indexables.add(indexable);
812 indexable = new SearchIndexableRaw(context);
813 indexable.key = "pointer_speed";
814 indexable.title = context.getString(R.string.pointer_speed);
815 indexable.screenTitle = screenTitle;
816 indexables.add(indexable);
819 if (haveInputDeviceWithVibrator()) {
820 indexable = new SearchIndexableRaw(context);
821 indexable.key = "vibrate_input_devices";
822 indexable.title = context.getString(R.string.vibrate_input_devices);
823 indexable.summaryOn = context.getString(R.string.vibrate_input_devices_summary);
824 indexable.summaryOff = context.getString(R.string.vibrate_input_devices_summary);
825 indexable.screenTitle = screenTitle;
826 indexables.add(indexable);