0cc35e444b
The logic calling selectFirst() is removed as - There's no comment why it is needed. - Actually SetupWizard gets stack as that forces users to see WirelessSettings in SetupWizard. The other changes: - Move back LocalePickerFragment to LocalePicker. - Make <activity> for LocalePicker in AndroidManifest <activity-alias> - Add a short comment about how getComponent(), which should be a key for understanding how top-level settings work. - Modify LanguageSettings so that it corectly points LocalePicker as a fragment. Change-Id: I78d356e40af896ba1aab72fba12c90467371c7b0
337 lines
14 KiB
Java
337 lines
14 KiB
Java
/*
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* Copyright (C) 2008 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.android.settings;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.ApplicationInfo;
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import android.content.res.Configuration;
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import android.os.Bundle;
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import android.preference.CheckBoxPreference;
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import android.preference.Preference;
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import android.preference.PreferenceGroup;
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import android.preference.PreferenceScreen;
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import android.provider.Settings;
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import android.text.TextUtils;
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import android.util.Log;
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import android.view.inputmethod.InputMethodInfo;
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import android.view.inputmethod.InputMethodManager;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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public class LanguageSettings extends SettingsPreferenceFragment {
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private static final String TAG = LanguageSettings.class.getSimpleName();
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private static final String KEY_PHONE_LANGUAGE = "phone_language";
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private static final String KEY_INPUT_METHOD = "input_method";
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private boolean mHaveHardKeyboard;
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private List<InputMethodInfo> mInputMethodProperties;
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private List<CheckBoxPreference> mCheckboxes;
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private Preference mLanguagePref;
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final TextUtils.SimpleStringSplitter mStringColonSplitter
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= new TextUtils.SimpleStringSplitter(':');
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private String mLastInputMethodId;
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private String mLastTickedInputMethodId;
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private AlertDialog mDialog = null;
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static public String getInputMethodIdFromKey(String key) {
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return key;
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}
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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addPreferencesFromResource(R.xml.language_settings);
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if (getActivity().getAssets().getLocales().length == 1) {
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getPreferenceScreen().
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removePreference(findPreference("language_category"));
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} else {
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mLanguagePref = findPreference(KEY_PHONE_LANGUAGE);
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}
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Configuration config = getResources().getConfiguration();
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if (config.keyboard != Configuration.KEYBOARD_QWERTY) {
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getPreferenceScreen().removePreference(
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getPreferenceScreen().findPreference("hardkeyboard_category"));
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} else {
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mHaveHardKeyboard = true;
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}
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mCheckboxes = new ArrayList<CheckBoxPreference>();
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onCreateIMM();
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}
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private boolean isSystemIme(InputMethodInfo property) {
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return (property.getServiceInfo().applicationInfo.flags
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& ApplicationInfo.FLAG_SYSTEM) != 0;
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}
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private void onCreateIMM() {
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InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
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mInputMethodProperties = imm.getInputMethodList();
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mLastInputMethodId = Settings.Secure.getString(getContentResolver(),
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Settings.Secure.DEFAULT_INPUT_METHOD);
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PreferenceGroup textCategory = (PreferenceGroup) findPreference("text_category");
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int N = (mInputMethodProperties == null ? 0 : mInputMethodProperties
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.size());
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for (int i = 0; i < N; ++i) {
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InputMethodInfo property = mInputMethodProperties.get(i);
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String prefKey = property.getId();
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CharSequence label = property.loadLabel(getActivity().getPackageManager());
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boolean systemIME = isSystemIme(property);
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// Add a check box.
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// Don't show the toggle if it's the only keyboard in the system, or it's a system IME.
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if (mHaveHardKeyboard || (N > 1 && !systemIME)) {
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CheckBoxPreference chkbxPref = new CheckBoxPreference(getActivity());
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chkbxPref.setKey(prefKey);
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chkbxPref.setTitle(label);
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textCategory.addPreference(chkbxPref);
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mCheckboxes.add(chkbxPref);
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}
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// If setting activity is available, add a setting screen entry.
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if (null != property.getSettingsActivity()) {
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PreferenceScreen prefScreen = new PreferenceScreen(getActivity(), null);
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String settingsActivity = property.getSettingsActivity();
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if (settingsActivity.lastIndexOf("/") < 0) {
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settingsActivity = property.getPackageName() + "/" + settingsActivity;
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}
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prefScreen.setKey(settingsActivity);
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prefScreen.setTitle(label);
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if (N == 1) {
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prefScreen.setSummary(getResources().getString(
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R.string.onscreen_keyboard_settings_summary));
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} else {
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CharSequence settingsLabel = getResources().getString(
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R.string.input_methods_settings_label_format, label);
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prefScreen.setSummary(settingsLabel);
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}
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textCategory.addPreference(prefScreen);
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}
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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final HashSet<String> enabled = new HashSet<String>();
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String enabledStr = Settings.Secure.getString(getContentResolver(),
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Settings.Secure.ENABLED_INPUT_METHODS);
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if (enabledStr != null) {
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final TextUtils.SimpleStringSplitter splitter = mStringColonSplitter;
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splitter.setString(enabledStr);
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while (splitter.hasNext()) {
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enabled.add(splitter.next());
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}
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}
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// Update the statuses of the Check Boxes.
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int N = mInputMethodProperties.size();
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for (int i = 0; i < N; ++i) {
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final String id = mInputMethodProperties.get(i).getId();
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CheckBoxPreference pref = (CheckBoxPreference) findPreference(mInputMethodProperties
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.get(i).getId());
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if (pref != null) {
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pref.setChecked(enabled.contains(id));
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}
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}
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mLastTickedInputMethodId = null;
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if (mLanguagePref != null) {
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Configuration conf = getResources().getConfiguration();
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String locale = conf.locale.getDisplayName(conf.locale);
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if (locale != null && locale.length() > 1) {
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locale = Character.toUpperCase(locale.charAt(0)) + locale.substring(1);
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mLanguagePref.setSummary(locale);
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}
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}
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}
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@Override
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public void onPause() {
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super.onPause();
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StringBuilder builder = new StringBuilder(256);
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StringBuilder disabledSysImes = new StringBuilder(256);
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int firstEnabled = -1;
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int N = mInputMethodProperties.size();
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for (int i = 0; i < N; ++i) {
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final InputMethodInfo property = mInputMethodProperties.get(i);
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final String id = property.getId();
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CheckBoxPreference pref = (CheckBoxPreference) findPreference(id);
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boolean hasIt = id.equals(mLastInputMethodId);
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boolean systemIme = isSystemIme(property);
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if (((N == 1 || systemIme) && !mHaveHardKeyboard)
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|| (pref != null && pref.isChecked())) {
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if (builder.length() > 0) builder.append(':');
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builder.append(id);
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if (firstEnabled < 0) {
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firstEnabled = i;
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}
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} else if (hasIt) {
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mLastInputMethodId = mLastTickedInputMethodId;
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}
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// If it's a disabled system ime, add it to the disabled list so that it
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// doesn't get enabled automatically on any changes to the package list
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if (pref != null && !pref.isChecked() && systemIme && mHaveHardKeyboard) {
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if (disabledSysImes.length() > 0) disabledSysImes.append(":");
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disabledSysImes.append(id);
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}
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}
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// If the last input method is unset, set it as the first enabled one.
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if (null == mLastInputMethodId || "".equals(mLastInputMethodId)) {
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if (firstEnabled >= 0) {
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mLastInputMethodId = mInputMethodProperties.get(firstEnabled).getId();
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} else {
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mLastInputMethodId = null;
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}
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}
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Settings.Secure.putString(getContentResolver(),
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Settings.Secure.ENABLED_INPUT_METHODS, builder.toString());
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Settings.Secure.putString(getContentResolver(),
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Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS, disabledSysImes.toString());
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Settings.Secure.putString(getContentResolver(),
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Settings.Secure.DEFAULT_INPUT_METHOD,
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mLastInputMethodId != null ? mLastInputMethodId : "");
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}
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
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// Input Method stuff
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if (Utils.isMonkeyRunning()) {
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return false;
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}
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final String fragmentClass = preference.getFragment();
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if (fragmentClass != null) {
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final Activity activity = getActivity();
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if (activity instanceof com.android.settings.Settings) {
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return ((com.android.settings.Settings) activity).showFragment(preference);
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} else {
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Log.w(TAG, "Fragment is available while the parent is not Settings Activity.");
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}
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}
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if (preference instanceof CheckBoxPreference) {
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final CheckBoxPreference chkPref = (CheckBoxPreference) preference;
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final String id = getInputMethodIdFromKey(chkPref.getKey());
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if (chkPref.isChecked()) {
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InputMethodInfo selImi = null;
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final int N = mInputMethodProperties.size();
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for (int i=0; i<N; i++) {
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InputMethodInfo imi = mInputMethodProperties.get(i);
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if (id.equals(imi.getId())) {
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selImi = imi;
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if (isSystemIme(imi)) {
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// This is a built-in IME, so no need to warn.
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mLastTickedInputMethodId = id;
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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}
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}
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chkPref.setChecked(false);
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if (selImi == null) {
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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if (mDialog == null) {
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// TODO: DialogFragment?
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mDialog = (new AlertDialog.Builder(getActivity()))
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.setTitle(android.R.string.dialog_alert_title)
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.setIcon(android.R.drawable.ic_dialog_alert)
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.setCancelable(true)
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.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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chkPref.setChecked(true);
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mLastTickedInputMethodId = id;
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}
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})
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.setNegativeButton(android.R.string.cancel,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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}
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})
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.create();
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} else {
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if (mDialog.isShowing()) {
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mDialog.dismiss();
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}
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}
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mDialog.setMessage(getResources().getString(
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R.string.ime_security_warning,
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selImi.getServiceInfo().applicationInfo.loadLabel(getPackageManager())));
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mDialog.show();
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} else if (id.equals(mLastTickedInputMethodId)) {
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mLastTickedInputMethodId = null;
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}
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} else if (preference instanceof PreferenceScreen) {
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if (KEY_INPUT_METHOD.equals(preference.getKey())) {
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InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
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imm.showInputMethodPicker();
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} else if (preference.getIntent() == null) {
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PreferenceScreen pref = (PreferenceScreen) preference;
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String activityName = pref.getKey();
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String packageName = activityName.substring(0, activityName
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.lastIndexOf("."));
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int slash = activityName.indexOf("/");
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if (slash > 0) {
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packageName = activityName.substring(0, slash);
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activityName = activityName.substring(slash + 1);
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}
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if (activityName.length() > 0) {
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Intent i = new Intent(Intent.ACTION_MAIN);
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i.setClassName(packageName, activityName);
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startActivity(i);
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}
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}
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}
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (mDialog != null) {
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mDialog.dismiss();
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mDialog = null;
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}
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}
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}
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