Settings: Add notification channel for SIM selection

    <string name="sim_calls_ask_first_prefs_title">Ask every time</string>

    <!-- When a SIM preference hasn't been selected yet, this string is displayed as the pref summary until the user chooses a SIM subscription from the preference list [CHAR LIMIT=50] -->

    <string name="sim_selection_required_pref">Selection required</string>

    <!-- Title for SIM selection notification channel -->

    <string name="sim_selection_channel_title">SIM selection</string>

    <!--Dashboard strings-->

    <!-- Text to describe the dashboard fragment title [CHAR LIMIT=16] -->

package com.android.settings.sim;

import android.app.NotificationChannel;

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.content.BroadcastReceiver;

    private static final String TAG = "SimSelectNotification";

    private static final int NOTIFICATION_ID = 1;

    private static final String SIM_SELECT_NOTIFICATION_CHANNEL =

            "sim_select_notification_channel";

    @Override

    public void onReceive(Context context, Intent intent) {

        final TelephonyManager telephonyManager = (TelephonyManager)

    private void createNotification(Context context){

        final Resources resources = context.getResources();

        NotificationChannel notificationChannel = new NotificationChannel(

                SIM_SELECT_NOTIFICATION_CHANNEL,

                resources.getString(R.string.sim_selection_channel_title),

                NotificationManager.IMPORTANCE_LOW);

        NotificationCompat.Builder builder =

                new NotificationCompat.Builder(context)

                new NotificationCompat.Builder(context, SIM_SELECT_NOTIFICATION_CHANNEL)

                .setSmallIcon(R.drawable.ic_sim_card_alert_white_48dp)

                .setColor(context.getColor(R.color.sim_noitification))

                .setContentTitle(resources.getString(R.string.sim_notification_title))

        builder.setContentIntent(resultPendingIntent);

        NotificationManager notificationManager =

                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

        notificationManager.createNotificationChannel(notificationChannel);

        notificationManager.notify(NOTIFICATION_ID, builder.build());

    }