/*
* Copyright (C) 2011 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.settings.wifi;
import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import android.provider.Settings.Secure;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
public class AdvancedWifiSettings extends SettingsPreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String TAG = "AdvancedWifiSettings";
private static final String KEY_MAC_ADDRESS = "mac_address";
private static final String KEY_CURRENT_IP_ADDRESS = "current_ip_address";
private static final String KEY_FREQUENCY_BAND = "frequency_band";
private static final String KEY_NOTIFY_OPEN_NETWORKS = "notify_open_networks";
private static final String KEY_SLEEP_POLICY = "sleep_policy";
private static final String KEY_ENABLE_WIFI_WATCHDOG = "wifi_enable_watchdog_service";
private WifiManager mWifiManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.wifi_advanced_settings);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
}
@Override
public void onResume() {
super.onResume();
initPreferences();
refreshWifiInfo();
}
private void initPreferences() {
CheckBoxPreference notifyOpenNetworks =
(CheckBoxPreference) findPreference(KEY_NOTIFY_OPEN_NETWORKS);
notifyOpenNetworks.setChecked(Secure.getInt(getContentResolver(),
Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0) == 1);
notifyOpenNetworks.setEnabled(mWifiManager.isWifiEnabled());
CheckBoxPreference watchdogEnabled =
(CheckBoxPreference) findPreference(KEY_ENABLE_WIFI_WATCHDOG);
if (watchdogEnabled != null) {
watchdogEnabled.setChecked(Secure.getInt(getContentResolver(),
Secure.WIFI_WATCHDOG_ON, 1) == 1);
//TODO: Bring this back after changing watchdog behavior
getPreferenceScreen().removePreference(watchdogEnabled);
}
ListPreference frequencyPref = (ListPreference) findPreference(KEY_FREQUENCY_BAND);
if (mWifiManager.isDualBandSupported()) {
frequencyPref.setOnPreferenceChangeListener(this);
int value = mWifiManager.getFrequencyBand();
if (value != -1) {
frequencyPref.setValue(String.valueOf(value));
} else {
Log.e(TAG, "Failed to fetch frequency band");
}
} else {
if (frequencyPref != null) {
// null if it has already been removed before resume
getPreferenceScreen().removePreference(frequencyPref);
}
}
ListPreference sleepPolicyPref = (ListPreference) findPreference(KEY_SLEEP_POLICY);
if (sleepPolicyPref != null) {
if (Utils.isWifiOnly(getActivity())) {
sleepPolicyPref.setEntries(R.array.wifi_sleep_policy_entries_wifi_only);
}
sleepPolicyPref.setOnPreferenceChangeListener(this);
int value = Settings.System.getInt(getContentResolver(),
Settings.System.WIFI_SLEEP_POLICY,
Settings.System.WIFI_SLEEP_POLICY_NEVER);
String stringValue = String.valueOf(value);
sleepPolicyPref.setValue(stringValue);
updateSleepPolicySummary(sleepPolicyPref, stringValue);
}
}
private void updateSleepPolicySummary(Preference sleepPolicyPref, String value) {
if (value != null) {
String[] values = getResources().getStringArray(R.array.wifi_sleep_policy_values);
final int summaryArrayResId = Utils.isWifiOnly(getActivity()) ?
R.array.wifi_sleep_policy_entries_wifi_only : R.array.wifi_sleep_policy_entries;
String[] summaries = getResources().getStringArray(summaryArrayResId);
for (int i = 0; i < values.length; i++) {
if (value.equals(values[i])) {
if (i < summaries.length) {
sleepPolicyPref.setSummary(summaries[i]);
return;
}
}
}
}
sleepPolicyPref.setSummary("");
Log.e(TAG, "Invalid sleep policy value: " + value);
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) {
String key = preference.getKey();
if (KEY_NOTIFY_OPEN_NETWORKS.equals(key)) {
Secure.putInt(getContentResolver(),
Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
((CheckBoxPreference) preference).isChecked() ? 1 : 0);
} else if (KEY_ENABLE_WIFI_WATCHDOG.equals(key)) {
Secure.putInt(getContentResolver(),
Secure.WIFI_WATCHDOG_ON,
((CheckBoxPreference) preference).isChecked() ? 1 : 0);
} else {
return super.onPreferenceTreeClick(screen, preference);
}
return true;
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
String key = preference.getKey();
if (KEY_FREQUENCY_BAND.equals(key)) {
try {
mWifiManager.setFrequencyBand(Integer.parseInt((String) newValue), true);
} catch (NumberFormatException e) {
Toast.makeText(getActivity(), R.string.wifi_setting_frequency_band_error,
Toast.LENGTH_SHORT).show();
return false;
}
}
if (KEY_SLEEP_POLICY.equals(key)) {
try {
String stringValue = (String) newValue;
Settings.System.putInt(getContentResolver(), Settings.System.WIFI_SLEEP_POLICY,
Integer.parseInt(stringValue));
updateSleepPolicySummary(preference, stringValue);
} catch (NumberFormatException e) {
Toast.makeText(getActivity(), R.string.wifi_setting_sleep_policy_error,
Toast.LENGTH_SHORT).show();
return false;
}
}
return true;
}
private void refreshWifiInfo() {
WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
Preference wifiMacAddressPref = findPreference(KEY_MAC_ADDRESS);
String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress();
wifiMacAddressPref.setSummary(!TextUtils.isEmpty(macAddress) ? macAddress
: getActivity().getString(R.string.status_unavailable));
Preference wifiIpAddressPref = findPreference(KEY_CURRENT_IP_ADDRESS);
String ipAddress = Utils.getWifiIpAddresses(getActivity());
wifiIpAddressPref.setSummary(ipAddress == null ?
getActivity().getString(R.string.status_unavailable) : ipAddress);
}
}