Move some wifi tracking code to SettingsLib

    <!-- Wifi Assistant title.  [CHAR LIMIT=40] -->

    <string name="wifi_assistant_title">Wi\u2011Fi Assistant</string>

    <!-- Status message of Wi-Fi when it is connected by a Wi-Fi assistant application. [CHAR LIMIT=NONE] -->

    <string name="connected_via_wfa">Connected via Wi\u2011Fi assistant</string>

    <!-- Wifi Display settings. The title of the screen. [CHAR LIMIT=40] -->

    <string name="wifi_display_settings_title">Cast screen</string>

    <string name="wifi_error">Error</string>

    <!-- Toast message when Wi-Fi or bluetooth is disallowed in airplane mode -->

    <string name="wifi_in_airplane_mode">In Airplane mode</string>

    <!-- Toast message when Wi-Fi cannot scan for networks -->

    <string name="wifi_fail_to_scan">Can\'t scan for networks</string>

    <!-- Checkbox title for option to notify user when open networks are nearby -->

    <string name="wifi_notify_open_networks">Network notification</string>

    <!-- Checkbox summary for option to notify user when open networks are nearby [CHAR LIMIT=60]-->

    <string name="wifi_unchanged">(unchanged)</string>

    <!-- Hint for unspecified fields -->

    <string name="wifi_unspecified">(unspecified)</string>

    <!-- Summary for the remembered network. -->

    <string name="wifi_remembered">Saved</string>

    <!-- Status for networks disabled for unknown reason -->

    <string name="wifi_disabled_generic">Disabled</string>

    <!-- Status for networked disabled from a DNS or DHCP failure -->

    <string name="wifi_disabled_network_failure">IP Configuration Failure</string>

    <!-- Status for networked disabled from a wifi association failure -->

    <string name="wifi_disabled_wifi_failure">WiFi Connection Failure</string>

    <!-- Status for networks disabled from authentication failure (wrong password

         or certificate). -->

    <string name="wifi_disabled_password_failure">Authentication problem</string>

    <!-- Summary for the remembered network but currently not in range. -->

    <string name="wifi_not_in_range">Not in range</string>

    <!-- Summary for the remembered network but no internet connection was detected. -->

    <string name="wifi_no_internet">No Internet Access Detected, won\'t automatically reconnect.</string>

    <!-- Substring of status line when Wi-Fi Protected Setup (WPS) is available and

         string is listed first [CHAR LIMIT=20]-->

    <string name="wifi_wps_available_first_item">WPS available</string>

    <!-- Message in WriteWifiConfigToNfcDialog when prompted to enter network password [CHAR_LIMIT=40] -->

    <string name="wifi_wps_nfc_enter_password">Enter your network password</string>

    <!-- Do not translate.  Concise terminology for wifi with WEP security -->

    <string name="wifi_security_short_wep">WEP</string>

    <!-- Do not translate.  Concise terminology for wifi with WPA security -->

    <string name="wifi_security_short_wpa">WPA</string>

    <!-- Do not translate.  Concise terminology for wifi with WPA2 security -->

    <string name="wifi_security_short_wpa2">WPA2</string>

    <!-- Do not translate.  Concise terminology for wifi with both WPA/WPA2 security -->

    <string name="wifi_security_short_wpa_wpa2">WPA/WPA2</string>

    <!-- Do not translate.  Concise terminology for wifi with unknown PSK type -->

    <string name="wifi_security_short_psk_generic">@string/wifi_security_short_wpa_wpa2</string>

    <!-- Do not translate.  Concise terminology for wifi with 802.1x EAP security -->

    <string name="wifi_security_short_eap">802.1x</string>

    <!-- Used in Wi-Fi settings dialogs when Wi-Fi does not have any security. -->

    <string name="wifi_security_none">None</string>

    <!-- Do not translate.  Terminology for wifi with WEP security -->

    <string name="wifi_security_wep">WEP</string>

    <!-- Do not translate.  Terminology for wifi with WPA security -->

    <string name="wifi_security_wpa">WPA PSK</string>

    <!-- Do not translate.  Terminology for wifi with WPA2 security -->

    <string name="wifi_security_wpa2">WPA2 PSK</string>

    <!-- Do not translate.  Terminology for wifi with both WPA/WPA2 security, or unknown -->

    <string name="wifi_security_wpa_wpa2">WPA/WPA2 PSK</string>

    <!-- Do not translate.  Terminology for wifi with unknown PSK type -->

    <string name="wifi_security_psk_generic">@string/wifi_security_wpa_wpa2</string>

    <!-- Do not translate.  Concise terminology for wifi with 802.1x EAP security -->

    <string name="wifi_security_eap">802.1x EAP</string>

    <string name="wifi_scan_always_turnon_message">To improve location accuracy and for other purposes, <xliff:g id="app_name">%1$s</xliff:g> wants to turn on network scanning, even when Wi-Fi is off.\n\nAllow this for all apps that want to scan?</string>

    <!-- Message informing the user how to turn off  [CHAR LIMIT=200] -->

    <string name="wifi_scan_always_turnoff_message">To turn this off, go to Advanced in the overflow menu.</string>

import com.android.internal.telephony.PhoneStateIntentReceiver;

import com.android.internal.telephony.TelephonyProperties;

import com.android.settingslib.WirelessUtils;

public class AirplaneModeEnabler implements Preference.OnPreferenceChangeListener {

    public void resume() {

        mSwitchPref.setChecked(isAirplaneModeOn(mContext));

        mSwitchPref.setChecked(WirelessUtils.isAirplaneModeOn(mContext));

        mPhoneStateReceiver.registerIntent();

        mSwitchPref.setOnPreferenceChangeListener(this);

        mContext.getContentResolver().unregisterContentObserver(mAirplaneModeObserver);

    }

    public static boolean isAirplaneModeOn(Context context) {

        return Settings.Global.getInt(context.getContentResolver(),

                Settings.Global.AIRPLANE_MODE_ON, 0) != 0;

    }

    private void setAirplaneModeOn(boolean enabling) {

        // Change the system setting

        Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, 

     * - mobile does not send failure notification, fail on timeout.

     */

    private void onAirplaneModeChanged() {

        mSwitchPref.setChecked(isAirplaneModeOn(mContext));

        mSwitchPref.setChecked(WirelessUtils.isAirplaneModeOn(mContext));

    }

    /**

        Log.d(TAG, s);

    }

    public static boolean isRadioAllowed(Context context, String type) {

        if (!AirplaneModeEnabler.isAirplaneModeOn(context)) {

            return true;

        }

        // Here we use the same logic in onCreate().

        String toggleable = Settings.Global.getString(context.getContentResolver(),

                Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);

        return toggleable != null && toggleable.contains(type);

    }

    private boolean isSmsSupported() {

        // Some tablet has sim card but could not do telephony operations. Skip those.

        return mTm.isSmsCapable();

import android.os.Handler;

import android.os.Message;

import android.provider.Settings;

import android.widget.CompoundButton;

import android.widget.Switch;

import android.widget.Toast;

import com.android.settings.R;

import com.android.settings.WirelessSettings;

import com.android.settings.search.Index;

import com.android.settings.widget.SwitchBar;

import com.android.settingslib.WirelessUtils;

/**

 * BluetoothEnabler is a helper to manage the Bluetooth on/off checkbox

    public void onSwitchChanged(Switch switchView, boolean isChecked) {

        // Show toast message if Bluetooth is not allowed in airplane mode

        if (isChecked &&

                !WirelessSettings.isRadioAllowed(mContext, Settings.Global.RADIO_BLUETOOTH)) {

                !WirelessUtils.isRadioAllowed(mContext, Settings.Global.RADIO_BLUETOOTH)) {

            Toast.makeText(mContext, R.string.wifi_in_airplane_mode, Toast.LENGTH_SHORT).show();

            // Reset switch to off

            switchView.setChecked(false);