Test

package com.kam.den.carhelp;

import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Build;
import android.support.v4.app.NotificationCompat;
import android.support.v7.app.AlertDialog;

import com.google.firebase.messaging.FirebaseMessagingService;
import com.google.firebase.messaging.RemoteMessage;

public class FBMessagingService extends FirebaseMessagingService
{
    public FBMessagingService() { }

    @Override
    public void onMessageReceived(RemoteMessage remoteMessage)
    {
        super.onMessageReceived(remoteMessage);
        // Check if message contains a data payload.
        if (remoteMessage.getData().size() > 0)
        {
          /*  Map<String, String> params = remoteMessage.getData();
            JSONObject object = new JSONObject(params);
             sendNotification(object.toString());
            */
            //  Log.d(TAG, "Message data payload: " + remoteMessage.getData());
            String message = null,title = null,ticker = null;
            message = remoteMessage.getData().get("body");
            title = remoteMessage.getData().get("title");
            ticker = remoteMessage.getData().get("ticker");

            showAlertDialog(getApplication());

            sendNotification(message,title,ticker);

        }

        // Check if message contains a notification payload.
        if (remoteMessage.getNotification() != null) {
            // Log.d(TAG, "Message Notification Body: " + remoteMessage.getNotification().getBody());
        }
    }

    private void sendNotification(/*String messageBody*/String message, String title, String ticker)
    {

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
        {
           NotificationHelper notificationHelper = new NotificationHelper(this);
            notificationHelper.createNotification(title,message,ticker);
          return;
        }

        //Выдергиваем координаты из сообщения.
        String splitterMessage[] = message.split(">>>");
        message = splitterMessage[0]; //Здесь сам текст
        String coordinate = splitterMessage[1]; //Здесь координаты


        Intent intent = new Intent(this, MainActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        intent.putExtra("key",coordinate); //И отправляем координаты активити

        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, intent, PendingIntent.FLAG_ONE_SHOT);

        // String channelId = getString(R.string.default_notification_channel_id);
        Uri defaultSoundUri= RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        Bitmap largeIcon = BitmapFactory.decodeResource(getResources(), R.drawable.ic_menu_send); //иконка в сообщении
        NotificationCompat.Builder notificationBuilder =
                new NotificationCompat.Builder(this)
                        .setSmallIcon(R.drawable.ic_menu_send)//иконка в statusBar
                        .setLargeIcon(largeIcon) //иконка в сообщении
                        .setContentTitle(title)
                        .setStyle(new NotificationCompat.BigTextStyle().bigText(message))
                        .setContentText(message)
                        .setTicker(ticker)
                        .setAutoCancel(true)
                        .setSound(defaultSoundUri)
                        .setColor(Color.parseColor("#4B8A08"))
                        .setVibrate(new long[] { 1000, 1000,1000, 1000,1000 })
                        .setContentIntent(pendingIntent);


        NotificationManager notificationManager =
                (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

        notificationManager.notify(0 /* ID of notification */, notificationBuilder.build());
    }

    private void showAlertDialog(Context context)
    {
        AlertDialog.Builder builder = new AlertDialog.Builder(context);
        builder.setTitle("Title")
                .setMessage("Message")
                // .setIcon(R.drawable.ic_android_cat)
                .setCancelable(false)
                .setNegativeButton("Cancel",
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {
                                dialog.cancel();
                            }
                        });




    }







}