Implement new design for settings of InputMethods
Change-Id: I82392e4a028abe2d588622a7e89fd035966f603a
This commit is contained in:
satok
237
src/com/android/settings/inputmethod/InputMethodConfig.java
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237
src/com/android/settings/inputmethod/InputMethodConfig.java
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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.android.settings.inputmethod;
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import com.android.settings.R;
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import com.android.settings.SettingsPreferenceFragment;
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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.PackageManager;
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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.PreferenceCategory;
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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.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.HashMap;
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import java.util.List;
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public class InputMethodConfig extends SettingsPreferenceFragment {
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private static final String KEY_PHYSICALKEYBOARD_CATEGORY = "hardkeyboard_category";
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private static final String PHYSICALKEYBOARD_SETTINGS_FRAGMENT
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= "com.android.settings.PhysicalKeyboardSettings";
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private AlertDialog mDialog = null;
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private boolean mHaveHardKeyboard;
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// Map of imi and its preferences
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final private HashMap<String, List<Preference>> mInputMethodPrefsMap =
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new HashMap<String, List<Preference>>();
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private List<InputMethodInfo> mInputMethodProperties;
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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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Configuration config = getResources().getConfiguration();
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mHaveHardKeyboard = (config.keyboard == Configuration.KEYBOARD_QWERTY);
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InputMethodManager imm = (InputMethodManager) getSystemService(
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Context.INPUT_METHOD_SERVICE);
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// TODO: Change mInputMethodProperties to Map
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mInputMethodProperties = imm.getInputMethodList();
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setPreferenceScreen(createPreferenceHierarchy());
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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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InputMethodAndSubtypeUtil.loadInputMethodSubtypeList(
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this, getContentResolver(), mInputMethodProperties, mInputMethodPrefsMap);
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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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InputMethodAndSubtypeUtil.saveInputMethodSubtypeList(this, getContentResolver(),
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mInputMethodProperties, mHaveHardKeyboard);
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}
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private void showSecurityWarnDialog(InputMethodInfo imi, final CheckBoxPreference chkPref,
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final String imiId) {
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if (mDialog == null) {
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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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for (Preference pref: mInputMethodPrefsMap.get(imiId)) {
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pref.setEnabled(true);
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}
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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(R.string.ime_security_warning,
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imi.getServiceInfo().applicationInfo.loadLabel(getPackageManager())));
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mDialog.show();
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}
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private InputMethodInfo getInputMethodInfoFromImiId(String imiId) {
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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 (imiId.equals(imi.getId())) {
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return imi;
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}
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}
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return null;
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}
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@Override
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public boolean onPreferenceTreeClick(
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PreferenceScreen preferenceScreen, Preference preference) {
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if (preference instanceof CheckBoxPreference) {
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final CheckBoxPreference chkPref = (CheckBoxPreference) preference;
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final String imiId = chkPref.getKey();
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if (chkPref.isChecked()) {
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InputMethodInfo selImi = getInputMethodInfoFromImiId(imiId);
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if (selImi != null) {
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if (InputMethodAndSubtypeUtil.isSystemIme(selImi)) {
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// This is a built-in IME, so no need to warn.
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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} else {
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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chkPref.setChecked(false);
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showSecurityWarnDialog(selImi, chkPref, imiId);
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} else {
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for (Preference pref: mInputMethodPrefsMap.get(imiId)) {
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pref.setEnabled(false);
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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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private void addHardKeyboardPreference(PreferenceScreen root) {
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PreferenceCategory keyboardSettingsCategory = new PreferenceCategory(getActivity());
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keyboardSettingsCategory.setTitle(R.string.builtin_keyboard_settings_title);
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root.addPreference(keyboardSettingsCategory);
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PreferenceScreen prefScreen = new PreferenceScreen(getActivity(), null);
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prefScreen.setKey(KEY_PHYSICALKEYBOARD_CATEGORY);
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prefScreen.setTitle(R.string.builtin_keyboard_settings_title);
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prefScreen.setSummary(R.string.builtin_keyboard_settings_summary);
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prefScreen.setFragment(PHYSICALKEYBOARD_SETTINGS_FRAGMENT);
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}
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private void addInputMethodPreference(PreferenceScreen root, InputMethodInfo imi,
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final int imiSize) {
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PreferenceCategory keyboardSettingsCategory = new PreferenceCategory(getActivity());
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root.addPreference(keyboardSettingsCategory);
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final String imiId = imi.getId();
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mInputMethodPrefsMap.put(imiId, new ArrayList<Preference>());
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PackageManager pm = getPackageManager();
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CharSequence label = imi.loadLabel(pm);
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keyboardSettingsCategory.setTitle(label);
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final boolean isSystemIME = InputMethodAndSubtypeUtil.isSystemIme(imi);
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// Add a check box for enabling/disabling IME
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CheckBoxPreference chkbxPref = new CheckBoxPreference(getActivity());
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chkbxPref.setKey(imiId);
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chkbxPref.setTitle(label);
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keyboardSettingsCategory.addPreference(chkbxPref);
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// Disable the toggle if it's the only keyboard in the system, or it's a system IME.
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if (!mHaveHardKeyboard && (imiSize <= 1 || isSystemIME)) {
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chkbxPref.setEnabled(false);
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}
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Intent intent;
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// Add subtype settings when this IME has two or more subtypes.
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PreferenceScreen prefScreen = new PreferenceScreen(getActivity(), null);
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prefScreen.setTitle(R.string.active_input_method_subtypes);
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if (imi.getSubtypes().size() > 1) {
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intent = new Intent(Settings.ACTION_INPUT_METHOD_AND_SUBTYPE_ENABLER);
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intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
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| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
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| Intent.FLAG_ACTIVITY_CLEAR_TOP);
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intent.putExtra(InputMethodAndSubtypeEnabler.EXTRA_INPUT_METHOD_ID, imiId);
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prefScreen.setIntent(intent);
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keyboardSettingsCategory.addPreference(prefScreen);
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mInputMethodPrefsMap.get(imiId).add(prefScreen);
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}
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// Add IME settings
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String settingsActivity = imi.getSettingsActivity();
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if (!TextUtils.isEmpty(settingsActivity)) {
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prefScreen = new PreferenceScreen(getActivity(), null);
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prefScreen.setTitle(R.string.input_method_settings);
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intent = new Intent(Intent.ACTION_MAIN);
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intent.setClassName(imi.getPackageName(), settingsActivity);
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prefScreen.setIntent(intent);
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keyboardSettingsCategory.addPreference(prefScreen);
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mInputMethodPrefsMap.get(imiId).add(prefScreen);
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}
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}
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private PreferenceScreen createPreferenceHierarchy() {
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// Root
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PreferenceScreen root = getPreferenceManager().createPreferenceScreen(getActivity());
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if (mHaveHardKeyboard) {
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addHardKeyboardPreference(root);
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}
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final int N = (mInputMethodProperties == null ? 0 : mInputMethodProperties.size());
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for (int i = 0; i < N; ++i) {
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addInputMethodPreference(root, mInputMethodProperties.get(i), N);
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}
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return root;
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}
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}
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