/*
* Copyright (C) 2015 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.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v14.preference.SwitchPreference;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
import java.util.List;
public class ConfigureWifiSettings extends SettingsPreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String TAG = "ConfigureWifiSettings";
private static final String KEY_MAC_ADDRESS = "mac_address";
private static final String KEY_SAVED_NETWORKS = "saved_networks";
private static final String KEY_CURRENT_IP_ADDRESS = "current_ip_address";
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_CELLULAR_FALLBACK = "wifi_cellular_data_fallback";
private static final String KEY_ALLOW_RECOMMENDATIONS = "allow_recommendations";
private WifiManager mWifiManager;
private IntentFilter mFilter;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.wifi_configure_settings);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
mFilter = new IntentFilter();
mFilter.addAction(WifiManager.LINK_CONFIGURATION_CHANGED_ACTION);
mFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
}
@Override
public void onResume() {
super.onResume();
initPreferences();
getActivity().registerReceiver(mReceiver, mFilter);
refreshWifiInfo();
}
@Override
public void onPause() {
super.onPause();
getActivity().unregisterReceiver(mReceiver);
}
private void initPreferences() {
List<WifiConfiguration> configs = mWifiManager.getConfiguredNetworks();
if (configs == null || configs.size() == 0) {
removePreference(KEY_SAVED_NETWORKS);
}
SwitchPreference notifyOpenNetworks =
(SwitchPreference) findPreference(KEY_NOTIFY_OPEN_NETWORKS);
notifyOpenNetworks.setChecked(Settings.Global.getInt(getContentResolver(),
Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0) == 1);
notifyOpenNetworks.setEnabled(mWifiManager.isWifiEnabled());
final Context context = getActivity();
if (avoidBadWifiConfig()) {
// Hide preference toggle, always avoid bad wifi networks.
removePreference(KEY_CELLULAR_FALLBACK);
} else {
// Show preference toggle, initialized based on current settings value.
boolean currentSetting = avoidBadWifiCurrentSettings();
SwitchPreference pref = (SwitchPreference) findPreference(KEY_CELLULAR_FALLBACK);
// TODO: can this ever be null? The return value of avoidBadWifiConfig() can only
// change if the resources change, but if that happens the activity will be recreated...
if (pref != null) {
pref.setChecked(currentSetting);
}
}
SwitchPreference allowRecommendations =
(SwitchPreference) findPreference(KEY_ALLOW_RECOMMENDATIONS);
allowRecommendations.setChecked(Settings.Global.getInt(getContentResolver(),
Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 0) == 1);
ListPreference sleepPolicyPref = (ListPreference) findPreference(KEY_SLEEP_POLICY);
if (sleepPolicyPref != null) {
if (Utils.isWifiOnly(context)) {
sleepPolicyPref.setEntries(R.array.wifi_sleep_policy_entries_wifi_only);
}
sleepPolicyPref.setOnPreferenceChangeListener(this);
int value = Settings.Global.getInt(getContentResolver(),
Settings.Global.WIFI_SLEEP_POLICY,
Settings.Global.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);
}
private boolean avoidBadWifiConfig() {
return getActivity().getResources().getInteger(
com.android.internal.R.integer.config_networkAvoidBadWifi) == 1;
}
private boolean avoidBadWifiCurrentSettings() {
return "1".equals(Settings.Global.getString(getContentResolver(),
Settings.Global.NETWORK_AVOID_BAD_WIFI));
}
@Override
public boolean onPreferenceTreeClick(Preference preference) {
String key = preference.getKey();
if (KEY_NOTIFY_OPEN_NETWORKS.equals(key)) {
Settings.Global.putInt(getContentResolver(),
Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
((SwitchPreference) preference).isChecked() ? 1 : 0);
} else if (KEY_CELLULAR_FALLBACK.equals(key)) {
// On: avoid bad wifi. Off: prompt.
String settingName = Settings.Global.NETWORK_AVOID_BAD_WIFI;
Settings.Global.putString(getContentResolver(), settingName,
((SwitchPreference) preference).isChecked() ? "1" : null);
} else if (KEY_ALLOW_RECOMMENDATIONS.equals(key)) {
Settings.Global.putInt(getActivity().getContentResolver(),
Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED,
((SwitchPreference) preference).isChecked() ? 1 : 0);
} else {
return super.onPreferenceTreeClick(preference);
}
return true;
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
final Context context = getActivity();
String key = preference.getKey();
if (KEY_SLEEP_POLICY.equals(key)) {
try {
String stringValue = (String) newValue;
Settings.Global.putInt(getContentResolver(), Settings.Global.WIFI_SLEEP_POLICY,
Integer.parseInt(stringValue));
updateSleepPolicySummary(preference, stringValue);
} catch (NumberFormatException e) {
Toast.makeText(context, R.string.wifi_setting_sleep_policy_error,
Toast.LENGTH_SHORT).show();
return false;
}
}
return true;
}
private void refreshWifiInfo() {
final Context context = getActivity();
WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
Preference wifiMacAddressPref = findPreference(KEY_MAC_ADDRESS);
String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress();
wifiMacAddressPref.setSummary(!TextUtils.isEmpty(macAddress) ? macAddress
: context.getString(R.string.status_unavailable));
wifiMacAddressPref.setSelectable(false);
Preference wifiIpAddressPref = findPreference(KEY_CURRENT_IP_ADDRESS);
String ipAddress = Utils.getWifiIpAddresses(context);
wifiIpAddressPref.setSummary(ipAddress == null ?
context.getString(R.string.status_unavailable) : ipAddress);
wifiIpAddressPref.setSelectable(false);
}
@Override
protected int getMetricsCategory() {
return MetricsEvent.CONFIGURE_WIFI;
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(WifiManager.LINK_CONFIGURATION_CHANGED_ACTION) ||
action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) {
refreshWifiInfo();
}
}
};
}