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The Android Open Source Project
2009-03-03 18:28:52 -08:00
parent a578a6c4ad
commit 4e14e5ccbf
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src/com/android/settings/wifi/AdvancedSettings.java
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/*
* Copyright (C) 2007 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 com.android.settings.R;
import android.content.ContentResolver;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.provider.Settings;
import android.provider.Settings.System;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
public class AdvancedSettings extends PreferenceActivity
implements Preference.OnPreferenceChangeListener {
private static final String KEY_MAC_ADDRESS = "mac_address";
private static final String KEY_USE_STATIC_IP = "use_static_ip";
private static final String KEY_NUM_CHANNELS = "num_channels";
private static final String KEY_SLEEP_POLICY = "sleep_policy";
private String[] mSettingNames = {
System.WIFI_STATIC_IP, System.WIFI_STATIC_GATEWAY, System.WIFI_STATIC_NETMASK,
System.WIFI_STATIC_DNS1, System.WIFI_STATIC_DNS2
};
private String[] mPreferenceKeys = {
"ip_address", "gateway", "netmask", "dns1", "dns2"
};
private CheckBoxPreference mUseStaticIpCheckBox;
private static final int MENU_ITEM_SAVE = Menu.FIRST;
private static final int MENU_ITEM_CANCEL = Menu.FIRST + 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.wifi_advanced_settings);
mUseStaticIpCheckBox = (CheckBoxPreference) findPreference(KEY_USE_STATIC_IP);
for (int i = 0; i < mPreferenceKeys.length; i++) {
Preference preference = findPreference(mPreferenceKeys[i]);
preference.setOnPreferenceChangeListener(this);
}
}
@Override
protected void onResume() {
super.onResume();
updateUi();
initNumChannelsPreference();
initSleepPolicyPreference();
refreshMacAddress();
}
private void initNumChannelsPreference() {
ListPreference pref = (ListPreference) findPreference(KEY_NUM_CHANNELS);
pref.setOnPreferenceChangeListener(this);
WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
/*
* Generate the list of valid channel counts to show in the ListPreference.
* The values are numerical, so the only text to be localized is the
* "channel_word" resource.
*/
int[] validChannelCounts = wifiManager.getValidChannelCounts();
if (validChannelCounts == null) {
Toast.makeText(this, R.string.wifi_setting_num_channels_error,
Toast.LENGTH_SHORT).show();
return;
}
String[] entries = new String[validChannelCounts.length];
String[] entryValues = new String[validChannelCounts.length];
for (int i = 0; i < validChannelCounts.length; i++) {
entryValues[i] = String.valueOf(validChannelCounts[i]);
entries[i] = getString(R.string.wifi_setting_num_channels_channel_phrase,
validChannelCounts[i]);
}
pref.setEntries(entries);
pref.setEntryValues(entryValues);
int numChannels = wifiManager.getNumAllowedChannels();
if (numChannels >= 0) {
pref.setValue(String.valueOf(numChannels));
}
}
private void initSleepPolicyPreference() {
ListPreference pref = (ListPreference) findPreference(KEY_SLEEP_POLICY);
pref.setOnPreferenceChangeListener(this);
int value = Settings.System.getInt(getContentResolver(),
Settings.System.WIFI_SLEEP_POLICY,Settings. System.WIFI_SLEEP_POLICY_DEFAULT);
pref.setValue(String.valueOf(value));
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
updateSettingsProvider();
}
return super.onKeyDown(keyCode, event);
}
public boolean onPreferenceChange(Preference preference, Object newValue) {
String key = preference.getKey();
if (key == null) return true;
if (key.equals(KEY_NUM_CHANNELS)) {
try {
int numChannels = Integer.parseInt((String) newValue);
WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
if (!wifiManager.setNumAllowedChannels(numChannels)) {
Toast.makeText(this, R.string.wifi_setting_num_channels_error,
Toast.LENGTH_SHORT).show();
}
} catch (NumberFormatException e) {
Toast.makeText(this, R.string.wifi_setting_num_channels_error,
Toast.LENGTH_SHORT).show();
return false;
}
} else if (key.equals(KEY_SLEEP_POLICY)) {
try {
Settings.System.putInt(getContentResolver(),
Settings.System.WIFI_SLEEP_POLICY, Integer.parseInt(((String) newValue)));
} catch (NumberFormatException e) {
Toast.makeText(this, R.string.wifi_setting_sleep_policy_error,
Toast.LENGTH_SHORT).show();
return false;
}
} else {
String value = (String) newValue;
if (!isIpAddress(value)) {
Toast.makeText(this, R.string.wifi_ip_settings_invalid_ip, Toast.LENGTH_LONG).show();
return false;
}
preference.setSummary(value);
}
return true;
}
private boolean isIpAddress(String value) {
int start = 0;
int end = value.indexOf('.');
int numBlocks = 0;
while (start < value.length()) {
if (end == -1) {
end = value.length();
}
try {
int block = Integer.parseInt(value.substring(start, end));
if ((block > 255) || (block < 0)) {
return false;
}
} catch (NumberFormatException e) {
return false;
}
numBlocks++;
start = end + 1;
end = value.indexOf('.', start);
}
return numBlocks == 4;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, MENU_ITEM_SAVE, 0, R.string.wifi_ip_settings_menu_save)
.setIcon(android.R.drawable.ic_menu_save);
menu.add(0, MENU_ITEM_CANCEL, 0, R.string.wifi_ip_settings_menu_cancel)
.setIcon(android.R.drawable.ic_menu_close_clear_cancel);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_ITEM_SAVE:
updateSettingsProvider();
finish();
return true;
case MENU_ITEM_CANCEL:
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
private void updateUi() {
ContentResolver contentResolver = getContentResolver();
mUseStaticIpCheckBox.setChecked(System.getInt(contentResolver,
System.WIFI_USE_STATIC_IP, 0) != 0);
for (int i = 0; i < mSettingNames.length; i++) {
EditTextPreference preference = (EditTextPreference) findPreference(mPreferenceKeys[i]);
String settingValue = System.getString(contentResolver, mSettingNames[i]);
preference.setText(settingValue);
preference.setSummary(settingValue);
}
}
private void updateSettingsProvider() {
ContentResolver contentResolver = getContentResolver();
System.putInt(contentResolver, System.WIFI_USE_STATIC_IP,
mUseStaticIpCheckBox.isChecked() ? 1 : 0);
for (int i = 0; i < mSettingNames.length; i++) {
EditTextPreference preference = (EditTextPreference) findPreference(mPreferenceKeys[i]);
System.putString(contentResolver, mSettingNames[i], preference.getText());
}
}
private void refreshMacAddress() {
WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
Preference wifiMacAddressPref = findPreference(KEY_MAC_ADDRESS);
String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress();
wifiMacAddressPref.setSummary(!TextUtils.isEmpty(macAddress) ? macAddress
: getString(R.string.status_unavailable));
}
}