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/*
* Copyright (C) 2009 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.pinyin;
import java.util.List;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceGroup;
import android.preference.PreferenceManager;
import android.preference.PreferenceScreen;
import com.android.inputmethod.pinyin.Settings;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
/**
* Setting activity of Pinyin IME.
*/
public class SettingsActivity extends PreferenceActivity implements
Preference.OnPreferenceChangeListener {
private static String TAG = "SettingsActivity";
private CheckBoxPreference mKeySoundPref;
private CheckBoxPreference mVibratePref;
private CheckBoxPreference mPredictionPref;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.settings);
PreferenceScreen prefSet = getPreferenceScreen();
mKeySoundPref = (CheckBoxPreference) prefSet
.findPreference(getString(R.string.setting_sound_key));
mVibratePref = (CheckBoxPreference) prefSet
.findPreference(getString(R.string.setting_vibrate_key));
mPredictionPref = (CheckBoxPreference) prefSet
.findPreference(getString(R.string.setting_prediction_key));
prefSet.setOnPreferenceChangeListener(this);
Settings.getInstance(PreferenceManager
.getDefaultSharedPreferences(getApplicationContext()));
updatePreference(prefSet, getString(R.string.setting_advanced_key));
updateWidgets();
}
@Override
protected void onResume() {
super.onResume();
updateWidgets();
}
@Override
protected void onDestroy() {
Settings.releaseInstance();
super.onDestroy();
}
@Override
protected void onPause() {
super.onPause();
Settings.setKeySound(mKeySoundPref.isChecked());
Settings.setVibrate(mVibratePref.isChecked());
Settings.setPrediction(mPredictionPref.isChecked());
Settings.writeBack();
}
public boolean onPreferenceChange(Preference preference, Object newValue) {
return true;
}
private void updateWidgets() {
mKeySoundPref.setChecked(Settings.getKeySound());
mVibratePref.setChecked(Settings.getVibrate());
mPredictionPref.setChecked(Settings.getPrediction());
}
public void updatePreference(PreferenceGroup parentPref, String prefKey) {
Preference preference = parentPref.findPreference(prefKey);
if (preference == null) {
return;
}
Intent intent = preference.getIntent();
if (intent != null) {
PackageManager pm = getPackageManager();
List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
int listSize = list.size();
if (listSize == 0)
parentPref.removePreference(preference);
}
}
}
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