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/*
* Copyright (C) 2011 The CyanogenMod 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.cyanogenmod.settings.device;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.preference.PreferenceScreen;
import android.util.Log;
import android.view.View;
import com.cyanogenmod.settings.device.R;
public class GeneralFragmentActivity extends PreferenceFragment {
private static final String PREF_ENABLED = "1";
private static final String TAG = "GNexusParts_General";
private static final String USB_FAST_CHARGE_FILE = "/sys/kernel/fast_charge/force_fast_charge";
private CheckBoxPreference mUSBFastCharge;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.general_preferences);
PreferenceScreen prefSet = getPreferenceScreen();
mUSBFastCharge = (CheckBoxPreference) findPreference(DeviceSettings.KEY_USB_FAST_CHARGE);
if (isSupported(USB_FAST_CHARGE_FILE)) {
mUSBFastCharge.setChecked(PREF_ENABLED.equals(Utils.readOneLine(USB_FAST_CHARGE_FILE)));
} else {
mUSBFastCharge.setEnabled(false);
}
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
String boxValue;
String key = preference.getKey();
Log.w(TAG, "key: " + key);
if (key.equals(DeviceSettings.KEY_USB_FAST_CHARGE)) {
final CheckBoxPreference chkPref = (CheckBoxPreference) preference;
boxValue = chkPref.isChecked() ? "1" : "0";
Utils.writeValue(USB_FAST_CHARGE_FILE, boxValue);
}
return true;
}
public static boolean isSupported(String FILE) {
return Utils.fileExists(FILE);
}
public static void restore(Context context) {
SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
if (isSupported(USB_FAST_CHARGE_FILE)) {
String sDefaultValue = Utils.readOneLine(USB_FAST_CHARGE_FILE);
Utils.writeValue(USB_FAST_CHARGE_FILE, sharedPrefs.getBoolean(DeviceSettings.KEY_USB_FAST_CHARGE,
PREF_ENABLED.equals(sDefaultValue)));
}
}
}
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