[RadioInfo] Save PreferredNetworkMode to Settings am: daea8be9

package com.android.settings;

import static android.net.ConnectivityManager.NetworkCallback;

import static android.provider.Settings.Global.PREFERRED_NETWORK_MODE;

import android.app.Activity;

import android.app.AlertDialog;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.provider.Settings;

import android.telephony.CarrierConfigManager;

import android.telephony.CellInfo;

import android.telephony.CellInfoCdma;

            if (mPreferredNetworkTypeResult != pos && pos >= 0

                    && pos <= mPreferredNetworkLabels.length - 2) {

                mPreferredNetworkTypeResult = pos;

                // TODO: Possibly migrate this to TelephonyManager.setPreferredNetworkType()

                // which today still has some issues (mostly that the "set" is conditional

                // on a successful modem call, which is not what we want). Instead we always

                // want this setting to be set, so that if the radio hiccups and this setting

                // is for some reason unsuccessful, future calls to the radio will reflect

                // the users's preference which is set here.

                final int subId = phone.getSubId();

                if (SubscriptionManager.isUsableSubIdValue(subId)) {

                    Settings.Global.putInt(phone.getContext().getContentResolver(),

                            PREFERRED_NETWORK_MODE + subId, mPreferredNetworkTypeResult);

                }

                log("Calling setPreferredNetworkType(" + mPreferredNetworkTypeResult + ")");

                Message msg = mHandler.obtainMessage(EVENT_SET_PREFERRED_TYPE_DONE);

                phone.setPreferredNetworkType(mPreferredNetworkTypeResult, msg);

            }