<item>2</item>
</string-array>
+ <!-- Wi-Fi settings. Presented as a list dialog to the user to choose the Wi-Fi frequency band. -->
+ <string-array name="wifi_frequency_band_entries">
+ <!-- Operation on both 2.4 GHz and 5 GHz [CHAR LIMIT=25]-->
+ <item>Auto</item>
+ <!-- Operation on 5 GHz alone [CHAR LIMIT=25]-->
+ <item>5 GHz only</item>
+ <!-- Operation on 2.4 GHz alone [CHAR LIMIT=25]-->
+ <item>2.4 GHz only</item>
+ </string-array>
+
+ <!-- Match with wifi_frequency_band_entries and the values of the settings in WifiManager. -->
+ <!-- Do not translate. -->
+ <string-array name="wifi_frequency_band_values">
+ <!-- Do not translate. -->
+ <item>0</item>
+ <!-- Do not translate. -->
+ <item>1</item>
+ <!-- Do not translate. -->
+ <item>2</item>
+ </string-array>
+
+
<!-- Display options for UsageStats class -->
<string-array name="usage_stats_display_order_types">
<item>Usage Time</item>
<string name="wifi_setting_sleep_policy_summary">Specify when to switch from Wi-Fi to mobile data</string>
<!-- Wi-Fi settings screen, generic error message when the sleep policy could not be set. -->
<string name="wifi_setting_sleep_policy_error">There was a problem setting the sleep policy.</string>
+ <!-- Wi-Fi settings screen, setting title for setting the band [CHAR LIMIT=50]-->
+ <string name="wifi_setting_frequency_band_title">Wi-Fi frequency band</string>
+ <!-- Wi-Fi settings screen, setting summary for setting the wifi frequency band [CHAR LIMIT=50]-->
+ <string name="wifi_setting_frequency_band_summary">Specify the frequency range of operation</string>
+ <!-- Wi-Fi settings screen, error message when the frequency band could not be set [CHAR LIMIT=50]. -->
+ <string name="wifi_setting_frequency_band_error">There was a problem setting the frequency band.</string>
<!-- Wi-Fi settings screen, advanced, title of the item to show the Wi-Fi device's MAC address. -->
<string name="wifi_advanced_mac_address_title">MAC address</string>
<!-- Title of the screen to adjust IP settings -->
import com.android.settings.SettingsPreferenceFragment;
import android.app.Activity;
+import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.provider.Settings;
import android.text.TextUtils;
import android.widget.Toast;
+import android.util.Log;
public class AdvancedSettings extends SettingsPreferenceFragment
implements Preference.OnPreferenceChangeListener {
+ private static final String TAG = "AdvancedSettings";
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_SLEEP_POLICY = "sleep_policy";
+ private static final String KEY_FREQUENCY_BAND = "frequency_band";
+
+ private WifiManager mWifiManager;
@Override
public void onCreate(Bundle savedInstanceState) {
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
+ mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
}
@Override
public void onResume() {
super.onResume();
-
- initSleepPolicyPreference();
+ initPreferences();
refreshWifiInfo();
}
- private void initSleepPolicyPreference() {
+ private void initPreferences() {
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);
+ Settings.System.WIFI_SLEEP_POLICY, Settings.System.WIFI_SLEEP_POLICY_DEFAULT);
pref.setValue(String.valueOf(value));
+
+ pref = (ListPreference) findPreference(KEY_FREQUENCY_BAND);
+
+ if (mWifiManager.isDualBandSupported()) {
+ pref.setOnPreferenceChangeListener(this);
+ value = mWifiManager.getFrequencyBand();
+ if (value != -1) {
+ pref.setValue(String.valueOf(value));
+ } else {
+ Log.e(TAG, "Failed to fetch frequency band");
+ }
+ } else {
+ getPreferenceScreen().removePreference(pref);
+ }
}
public boolean onPreferenceChange(Preference preference, Object newValue) {
Toast.LENGTH_SHORT).show();
return false;
}
+ } else if (key.equals(KEY_FREQUENCY_BAND)) {
+ 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;
+ }
}
return true;
}
private void refreshWifiInfo() {
- WifiManager wifiManager = (WifiManager) getSystemService(Activity.WIFI_SERVICE);
- WifiInfo wifiInfo = wifiManager.getConnectionInfo();
+ WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
Preference wifiMacAddressPref = findPreference(KEY_MAC_ADDRESS);
String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress();