/* * 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 com.android.inputmethod.latin; import android.app.Activity; import android.app.backup.BackupManager; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.content.res.Resources; import android.media.AudioManager; import android.os.Bundle; import android.preference.CheckBoxPreference; import android.preference.ListPreference; import android.preference.Preference; import android.preference.Preference.OnPreferenceClickListener; import android.preference.PreferenceGroup; import android.preference.PreferenceScreen; import android.util.Log; import android.view.inputmethod.InputMethodSubtype; import java.util.TreeSet; import com.android.inputmethod.dictionarypack.DictionarySettingsActivity; import com.android.inputmethod.latin.define.ProductionFlag; import com.android.inputmethod.latin.setup.LauncherIconVisibilityManager; import com.android.inputmethod.latin.userdictionary.UserDictionaryList; import com.android.inputmethod.latin.userdictionary.UserDictionarySettings; import com.android.inputmethod.research.ResearchLogger; import com.android.inputmethodcommon.InputMethodSettingsFragment; public final class SettingsFragment extends InputMethodSettingsFragment implements SharedPreferences.OnSharedPreferenceChangeListener { private static final String TAG = SettingsFragment.class.getSimpleName(); private static final boolean DBG_USE_INTERNAL_USER_DICTIONARY_SETTINGS = false; private ListPreference mVoicePreference; private ListPreference mShowCorrectionSuggestionsPreference; private ListPreference mAutoCorrectionThresholdPreference; private ListPreference mKeyPreviewPopupDismissDelay; // Use bigrams to predict the next word when there is no input for it yet private CheckBoxPreference mBigramPrediction; private void setPreferenceEnabled(final String preferenceKey, final boolean enabled) { final Preference preference = findPreference(preferenceKey); if (preference != null) { preference.setEnabled(enabled); } } private static void removePreference(final String preferenceKey, final PreferenceGroup parent) { if (parent == null) { return; } final Preference preference = parent.findPreference(preferenceKey); if (preference != null) { parent.removePreference(preference); } } @Override public void onCreate(final Bundle icicle) { super.onCreate(icicle); setInputMethodSettingsCategoryTitle(R.string.language_selection_title); setSubtypeEnablerTitle(R.string.select_language); addPreferencesFromResource(R.xml.prefs); final PreferenceScreen preferenceScreen = getPreferenceScreen(); if (preferenceScreen != null) { preferenceScreen.setTitle( Utils.getAcitivityTitleResId(getActivity(), SettingsActivity.class)); } final Resources res = getResources(); final Context context = getActivity(); // When we are called from the Settings application but we are not already running, some // singleton and utility classes may not have been initialized. We have to call // initialization method of these classes here. See {@link LatinIME#onCreate()}. SubtypeSwitcher.init(context); SubtypeLocale.init(context); AudioAndHapticFeedbackManager.init(context); mVoicePreference = (ListPreference) findPreference(Settings.PREF_VOICE_MODE); mShowCorrectionSuggestionsPreference = (ListPreference) findPreference(Settings.PREF_SHOW_SUGGESTIONS_SETTING); final SharedPreferences prefs = getPreferenceManager().getSharedPreferences(); prefs.registerOnSharedPreferenceChangeListener(this); mAutoCorrectionThresholdPreference = (ListPreference) findPreference(Settings.PREF_AUTO_CORRECTION_THRESHOLD); mBigramPrediction = (CheckBoxPreference) findPreference(Settings.PREF_BIGRAM_PREDICTIONS); ensureConsistencyOfAutoCorrectionSettings(); final PreferenceGroup generalSettings = (PreferenceGroup) findPreference(Settings.PREF_GENERAL_SETTINGS); final PreferenceGroup miscSettings = (PreferenceGroup) findPreference(Settings.PREF_MISC_SETTINGS); final Preference debugSettings = findPreference(Settings.PREF_DEBUG_SETTINGS); if (debugSettings != null) { if (Settings.isInternal(prefs)) { final Intent debugSettingsIntent = new Intent(Intent.ACTION_MAIN); debugSettingsIntent.setClassName( context.getPackageName(), DebugSettingsActivity.class.getName()); debugSettings.setIntent(debugSettingsIntent); } else { miscSettings.removePreference(debugSettings); } } final Preference feedbackSettings = findPreference(Settings.PREF_SEND_FEEDBACK); final Preference aboutSettings = findPreference(Settings.PREF_ABOUT_KEYBOARD); if (feedbackSettings != null) { if (FeedbackUtils.isFeedbackFormSupported()) { feedbackSettings.setOnPreferenceClickListener(new OnPreferenceClickListener() { @Override public boolean onPreferenceClick(final Preference pref) { if (ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS) { // Use development-only feedback mechanism ResearchLogger.getInstance().presentFeedbackDialogFromSettings(); } else { FeedbackUtils.showFeedbackForm(getActivity()); } return true; } }); aboutSettings.setTitle(FeedbackUtils.getAboutKeyboardTitleResId()); aboutSettings.setIntent(FeedbackUtils.getAboutKeyboardIntent(getActivity())); } else { miscSettings.removePreference(feedbackSettings); miscSettings.removePreference(aboutSettings); } } if (ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS) { // The about screen contains items that may be confusing in development-only versions. miscSettings.removePreference(aboutSettings); } final boolean showVoiceKeyOption = res.getBoolean( R.bool.config_enable_show_voice_key_option); if (!showVoiceKeyOption) { generalSettings.removePreference(mVoicePreference); } final PreferenceGroup advancedSettings = (PreferenceGroup) findPreference(Settings.PREF_ADVANCED_SETTINGS); if (!AudioAndHapticFeedbackManager.getInstance().hasVibrator()) { removePreference(Settings.PREF_VIBRATE_ON, generalSettings); removePreference(Settings.PREF_VIBRATION_DURATION_SETTINGS, advancedSettings); } mKeyPreviewPopupDismissDelay = (ListPreference) findPreference(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY); if (!Settings.readFromBuildConfigIfToShowKeyPreviewPopupSettingsOption(res)) { removePreference(Settings.PREF_POPUP_ON, generalSettings); removePreference(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY, advancedSettings); } else { final String popupDismissDelayDefaultValue = Integer.toString(res.getInteger( R.integer.config_key_preview_linger_timeout)); mKeyPreviewPopupDismissDelay.setEntries(new String[] { res.getString(R.string.key_preview_popup_dismiss_no_delay), res.getString(R.string.key_preview_popup_dismiss_default_delay), }); mKeyPreviewPopupDismissDelay.setEntryValues(new String[] { "0", popupDismissDelayDefaultValue }); if (null == mKeyPreviewPopupDismissDelay.getValue()) { mKeyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue); } mKeyPreviewPopupDismissDelay.setEnabled( Settings.readKeyPreviewPopupEnabled(prefs, res)); } if (!res.getBoolean(R.bool.config_setup_wizard_available)) { removePreference(Settings.PREF_SHOW_SETUP_WIZARD_ICON, advancedSettings); } setPreferenceEnabled(Settings.PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST, Settings.readShowsLanguageSwitchKey(prefs)); final PreferenceGroup textCorrectionGroup = (PreferenceGroup) findPreference(Settings.PREF_CORRECTION_SETTINGS); final PreferenceScreen dictionaryLink = (PreferenceScreen) findPreference(Settings.PREF_CONFIGURE_DICTIONARIES_KEY); final Intent intent = dictionaryLink.getIntent(); intent.setClassName(context.getPackageName(), DictionarySettingsActivity.class.getName()); final int number = context.getPackageManager().queryIntentActivities(intent, 0).size(); if (0 >= number) { textCorrectionGroup.removePreference(dictionaryLink); } final Preference editPersonalDictionary = findPreference(Settings.PREF_EDIT_PERSONAL_DICTIONARY); final Intent editPersonalDictionaryIntent = editPersonalDictionary.getIntent(); final ResolveInfo ri = context.getPackageManager().resolveActivity( editPersonalDictionaryIntent, PackageManager.MATCH_DEFAULT_ONLY); if (DBG_USE_INTERNAL_USER_DICTIONARY_SETTINGS || ri == null) { updateUserDictionaryPreference(editPersonalDictionary); } if (!Settings.readFromBuildConfigIfGestureInputEnabled(res)) { removePreference(Settings.PREF_GESTURE_SETTINGS, getPreferenceScreen()); } else { AdditionalFeaturesSettingUtils.addAdditionalFeaturesPreferences(context, this); } setupKeyLongpressTimeoutSettings(prefs, res); setupKeypressVibrationDurationSettings(prefs, res); setupKeypressSoundVolumeSettings(prefs, res); refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, res); } @Override public void onResume() { super.onResume(); final boolean isShortcutImeEnabled = SubtypeSwitcher.getInstance().isShortcutImeEnabled(); if (isShortcutImeEnabled) { updateVoiceModeSummary(); } else { getPreferenceScreen().removePreference(mVoicePreference); } final SharedPreferences prefs = getPreferenceManager().getSharedPreferences(); final CheckBoxPreference showSetupWizardIcon = (CheckBoxPreference)findPreference(Settings.PREF_SHOW_SETUP_WIZARD_ICON); if (showSetupWizardIcon != null) { showSetupWizardIcon.setChecked(Settings.readShowSetupWizardIcon(prefs, getActivity())); } updateShowCorrectionSuggestionsSummary(); updateKeyPreviewPopupDelaySummary(); updateCustomInputStylesSummary(); } @Override public void onDestroy() { getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener( this); super.onDestroy(); } @Override public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) { final Activity activity = getActivity(); if (activity == null) { // TODO: Introduce a static function to register this class and ensure that // onCreate must be called before "onSharedPreferenceChanged" is called. Log.w(TAG, "onSharedPreferenceChanged called before activity starts."); return; } (new BackupManager(activity)).dataChanged(); final Resources res = getResources(); if (key.equals(Settings.PREF_POPUP_ON)) { setPreferenceEnabled(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY, Settings.readKeyPreviewPopupEnabled(prefs, res)); } else if (key.equals(Settings.PREF_SHOW_LANGUAGE_SWITCH_KEY)) { setPreferenceEnabled(Settings.PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST, Settings.readShowsLanguageSwitchKey(prefs)); } else if (key.equals(Settings.PREF_SHOW_SETUP_WIZARD_ICON)) { LauncherIconVisibilityManager.updateSetupWizardIconVisibility(getActivity()); } ensureConsistencyOfAutoCorrectionSettings(); updateVoiceModeSummary(); updateShowCorrectionSuggestionsSummary(); updateKeyPreviewPopupDelaySummary(); refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, getResources()); } private void ensureConsistencyOfAutoCorrectionSettings() { final String autoCorrectionOff = getResources().getString( R.string.auto_correction_threshold_mode_index_off); final String currentSetting = mAutoCorrectionThresholdPreference.getValue(); mBigramPrediction.setEnabled(!currentSetting.equals(autoCorrectionOff)); } private void updateShowCorrectionSuggestionsSummary() { mShowCorrectionSuggestionsPreference.setSummary( getResources().getStringArray(R.array.prefs_suggestion_visibilities) [mShowCorrectionSuggestionsPreference.findIndexOfValue( mShowCorrectionSuggestionsPreference.getValue())]); } private void updateCustomInputStylesSummary() { final PreferenceScreen customInputStyles = (PreferenceScreen)findPreference(Settings.PREF_CUSTOM_INPUT_STYLES); final SharedPreferences prefs = getPreferenceManager().getSharedPreferences(); final Resources res = getResources(); final String prefSubtype = Settings.readPrefAdditionalSubtypes(prefs, res); final InputMethodSubtype[] subtypes = AdditionalSubtype.createAdditionalSubtypesArray(prefSubtype); final StringBuilder styles = new StringBuilder(); for (final InputMethodSubtype subtype : subtypes) { if (styles.length() > 0) styles.append(", "); styles.append(SubtypeLocale.getSubtypeDisplayNameInSystemLocale(subtype)); } customInputStyles.setSummary(styles); } private void updateKeyPreviewPopupDelaySummary() { final ListPreference lp = mKeyPreviewPopupDismissDelay; final CharSequence[] entries = lp.getEntries(); if (entries == null || entries.length <= 0) return; lp.setSummary(entries[lp.findIndexOfValue(lp.getValue())]); } private void updateVoiceModeSummary() { mVoicePreference.setSummary( getResources().getStringArray(R.array.voice_input_modes_summary) [mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]); } private void refreshEnablingsOfKeypressSoundAndVibrationSettings( final SharedPreferences sp, final Resources res) { setPreferenceEnabled(Settings.PREF_VIBRATION_DURATION_SETTINGS, Settings.readVibrationEnabled(sp, res)); setPreferenceEnabled(Settings.PREF_KEYPRESS_SOUND_VOLUME, Settings.readKeypressSoundEnabled(sp, res)); } private void setupKeypressVibrationDurationSettings(final SharedPreferences sp, final Resources res) { final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference( Settings.PREF_VIBRATION_DURATION_SETTINGS); if (pref == null) { return; } pref.setInterface(new SeekBarDialogPreference.ValueProxy() { @Override public void writeValue(final int value, final String key) { sp.edit().putInt(key, value).apply(); } @Override public void writeDefaultValue(final String key) { sp.edit().remove(key).apply(); } @Override public int readValue(final String key) { return Settings.readKeypressVibrationDuration(sp, res); } @Override public int readDefaultValue(final String key) { return Settings.readDefaultKeypressVibrationDuration(res); } @Override public void feedbackValue(final int value) { AudioAndHapticFeedbackManager.getInstance().vibrate(value); } }); } private void setupKeyLongpressTimeoutSettings(final SharedPreferences sp, final Resources res) { final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference( Settings.PREF_KEY_LONGPRESS_TIMEOUT); if (pref == null) { return; } pref.setInterface(new SeekBarDialogPreference.ValueProxy() { @Override public void writeValue(final int value, final String key) { sp.edit().putInt(key, value).apply(); } @Override public void writeDefaultValue(final String key) { sp.edit().remove(key).apply(); } @Override public int readValue(final String key) { return Settings.readKeyLongpressTimeout(sp, res); } @Override public int readDefaultValue(final String key) { return Settings.readDefaultKeyLongpressTimeout(res); } @Override public void feedbackValue(final int value) {} }); } private void setupKeypressSoundVolumeSettings(final SharedPreferences sp, final Resources res) { final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference( Settings.PREF_KEYPRESS_SOUND_VOLUME); if (pref == null) { return; } final AudioManager am = (AudioManager)getActivity().getSystemService(Context.AUDIO_SERVICE); pref.setInterface(new SeekBarDialogPreference.ValueProxy() { private static final float PERCENTAGE_FLOAT = 100.0f; private float getValueFromPercentage(final int percentage) { return percentage / PERCENTAGE_FLOAT; } private int getPercentageFromValue(final float floatValue) { return (int)(floatValue * PERCENTAGE_FLOAT); } @Override public void writeValue(final int value, final String key) { sp.edit().putFloat(key, getValueFromPercentage(value)).apply(); } @Override public void writeDefaultValue(final String key) { sp.edit().remove(key).apply(); } @Override public int readValue(final String key) { return getPercentageFromValue(Settings.readKeypressSoundVolume(sp, res)); } @Override public int readDefaultValue(final String key) { return getPercentageFromValue(Settings.readDefaultKeypressSoundVolume(res)); } @Override public void feedbackValue(final int value) { am.playSoundEffect( AudioManager.FX_KEYPRESS_STANDARD, getValueFromPercentage(value)); } }); } private void updateUserDictionaryPreference(Preference userDictionaryPreference) { final Activity activity = getActivity(); final TreeSet localeList = UserDictionaryList.getUserDictionaryLocalesSet(activity); if (null == localeList) { // The locale list is null if and only if the user dictionary service is // not present or disabled. In this case we need to remove the preference. getPreferenceScreen().removePreference(userDictionaryPreference); } else if (localeList.size() <= 1) { userDictionaryPreference.setFragment(UserDictionarySettings.class.getName()); // If the size of localeList is 0, we don't set the locale parameter in the // extras. This will be interpreted by the UserDictionarySettings class as // meaning "the current locale". // Note that with the current code for UserDictionaryList#getUserDictionaryLocalesSet() // the locale list always has at least one element, since it always includes the current // locale explicitly. @see UserDictionaryList.getUserDictionaryLocalesSet(). if (localeList.size() == 1) { final String locale = (String)localeList.toArray()[0]; userDictionaryPreference.getExtras().putString("locale", locale); } } else { userDictionaryPreference.setFragment(UserDictionaryList.class.getName()); } } }