AdvancedWifiSettings.java revision d03c15119d404d282ccc5fba257a6ca76962769c 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.settings.wifi;
18
19import android.content.Context;
20import android.net.wifi.WifiInfo;
21import android.net.wifi.WifiManager;
22import android.os.Bundle;
23import android.preference.CheckBoxPreference;
24import android.preference.ListPreference;
25import android.preference.Preference;
26import android.preference.PreferenceScreen;
27import android.provider.Settings;
28import android.provider.Settings.Secure;
29import android.text.TextUtils;
30import android.util.Log;
31import android.widget.Toast;
32
33import com.android.settings.R;
34import com.android.settings.SettingsPreferenceFragment;
35import com.android.settings.Utils;
36
37public class AdvancedWifiSettings extends SettingsPreferenceFragment
38        implements Preference.OnPreferenceChangeListener {
39
40    private static final String TAG = "AdvancedWifiSettings";
41    private static final String KEY_MAC_ADDRESS = "mac_address";
42    private static final String KEY_CURRENT_IP_ADDRESS = "current_ip_address";
43    private static final String KEY_FREQUENCY_BAND = "frequency_band";
44    private static final String KEY_NOTIFY_OPEN_NETWORKS = "notify_open_networks";
45    private static final String KEY_SLEEP_POLICY = "sleep_policy";
46    private static final String KEY_ENABLE_WIFI_WATCHDOG = "wifi_enable_watchdog_service";
47
48    private WifiManager mWifiManager;
49
50    @Override
51    public void onCreate(Bundle savedInstanceState) {
52        super.onCreate(savedInstanceState);
53        addPreferencesFromResource(R.xml.wifi_advanced_settings);
54    }
55
56    @Override
57    public void onActivityCreated(Bundle savedInstanceState) {
58        super.onActivityCreated(savedInstanceState);
59        mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
60    }
61
62    @Override
63    public void onResume() {
64        super.onResume();
65        initPreferences();
66        refreshWifiInfo();
67    }
68
69    private void initPreferences() {
70        CheckBoxPreference notifyOpenNetworks =
71            (CheckBoxPreference) findPreference(KEY_NOTIFY_OPEN_NETWORKS);
72        notifyOpenNetworks.setChecked(Secure.getInt(getContentResolver(),
73                Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0) == 1);
74        notifyOpenNetworks.setEnabled(mWifiManager.isWifiEnabled());
75
76        CheckBoxPreference watchdogEnabled =
77            (CheckBoxPreference) findPreference(KEY_ENABLE_WIFI_WATCHDOG);
78        watchdogEnabled.setChecked(Secure.getInt(getContentResolver(),
79                Secure.WIFI_WATCHDOG_ON, 1) == 1);
80
81        //TODO: Bring this back after changing watchdog behavior
82        getPreferenceScreen().removePreference(watchdogEnabled);
83
84        ListPreference frequencyPref = (ListPreference) findPreference(KEY_FREQUENCY_BAND);
85
86        if (mWifiManager.isDualBandSupported()) {
87            frequencyPref.setOnPreferenceChangeListener(this);
88            int value = mWifiManager.getFrequencyBand();
89            if (value != -1) {
90                frequencyPref.setValue(String.valueOf(value));
91            } else {
92                Log.e(TAG, "Failed to fetch frequency band");
93            }
94        } else {
95            if (frequencyPref != null) {
96                // null if it has already been removed before resume
97                getPreferenceScreen().removePreference(frequencyPref);
98            }
99        }
100
101        ListPreference sleepPolicyPref = (ListPreference) findPreference(KEY_SLEEP_POLICY);
102        if (sleepPolicyPref != null) {
103            if (Utils.isWifiOnly(getActivity())) {
104                sleepPolicyPref.setEntries(R.array.wifi_sleep_policy_entries_wifi_only);
105            }
106            sleepPolicyPref.setOnPreferenceChangeListener(this);
107            int value = Settings.System.getInt(getContentResolver(),
108                    Settings.System.WIFI_SLEEP_POLICY,
109                    Settings.System.WIFI_SLEEP_POLICY_NEVER);
110            String stringValue = String.valueOf(value);
111            sleepPolicyPref.setValue(stringValue);
112            updateSleepPolicySummary(sleepPolicyPref, stringValue);
113        }
114    }
115
116    private void updateSleepPolicySummary(Preference sleepPolicyPref, String value) {
117        if (value != null) {
118            String[] values = getResources().getStringArray(R.array.wifi_sleep_policy_values);
119            final int summaryArrayResId = Utils.isWifiOnly(getActivity()) ?
120                    R.array.wifi_sleep_policy_entries_wifi_only : R.array.wifi_sleep_policy_entries;
121            String[] summaries = getResources().getStringArray(summaryArrayResId);
122            for (int i = 0; i < values.length; i++) {
123                if (value.equals(values[i])) {
124                    if (i < summaries.length) {
125                        sleepPolicyPref.setSummary(summaries[i]);
126                        return;
127                    }
128                }
129            }
130        }
131
132        sleepPolicyPref.setSummary("");
133        Log.e(TAG, "Invalid sleep policy value: " + value);
134    }
135
136    @Override
137    public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) {
138        String key = preference.getKey();
139
140        if (KEY_NOTIFY_OPEN_NETWORKS.equals(key)) {
141            Secure.putInt(getContentResolver(),
142                    Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
143                    ((CheckBoxPreference) preference).isChecked() ? 1 : 0);
144        } else if (KEY_ENABLE_WIFI_WATCHDOG.equals(key)) {
145            Secure.putInt(getContentResolver(),
146                    Secure.WIFI_WATCHDOG_ON,
147                    ((CheckBoxPreference) preference).isChecked() ? 1 : 0);
148        } else {
149            return super.onPreferenceTreeClick(screen, preference);
150        }
151        return true;
152    }
153
154    @Override
155    public boolean onPreferenceChange(Preference preference, Object newValue) {
156        String key = preference.getKey();
157
158        if (KEY_FREQUENCY_BAND.equals(key)) {
159            try {
160                mWifiManager.setFrequencyBand(Integer.parseInt((String) newValue), true);
161            } catch (NumberFormatException e) {
162                Toast.makeText(getActivity(), R.string.wifi_setting_frequency_band_error,
163                        Toast.LENGTH_SHORT).show();
164                return false;
165            }
166        }
167
168        if (KEY_SLEEP_POLICY.equals(key)) {
169            try {
170                String stringValue = (String) newValue;
171                Settings.System.putInt(getContentResolver(), Settings.System.WIFI_SLEEP_POLICY,
172                        Integer.parseInt(stringValue));
173                updateSleepPolicySummary(preference, stringValue);
174            } catch (NumberFormatException e) {
175                Toast.makeText(getActivity(), R.string.wifi_setting_sleep_policy_error,
176                        Toast.LENGTH_SHORT).show();
177                return false;
178            }
179        }
180
181        return true;
182    }
183
184    private void refreshWifiInfo() {
185        WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
186
187        Preference wifiMacAddressPref = findPreference(KEY_MAC_ADDRESS);
188        String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress();
189        wifiMacAddressPref.setSummary(!TextUtils.isEmpty(macAddress) ? macAddress
190                : getActivity().getString(R.string.status_unavailable));
191
192        Preference wifiIpAddressPref = findPreference(KEY_CURRENT_IP_ADDRESS);
193        String ipAddress = Utils.getWifiIpAddresses(getActivity());
194        wifiIpAddressPref.setSummary(ipAddress == null ?
195                getActivity().getString(R.string.status_unavailable) : ipAddress);
196    }
197
198}
199