files services added

package com.example.android.customnotifications.receivers;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.os.Build;

import android.support.annotation.RequiresApi;

import android.util.Log;

import com.example.android.customnotifications.services.Helper;

/**

 * Created by giacomo on 12/05/18.

 */

public class BootCompletedReceiver extends BroadcastReceiver {

    private static final String TAG = "BootCompletedReceiver";

    @RequiresApi(api = Build.VERSION_CODES.O)

    @Override

    public void onReceive(Context context, Intent arg1) {

        // TODO Auto-generated method stub

        Log.w("boot_broadcast_poc", "starting service...");

        Helper.StartForegroundServiceNotification(context);

    }

}

 No newline at end of file

package com.example.android.customnotifications.services;

import android.content.Context;

import android.content.Intent;

import android.os.Build;

/**

 * Created by giacomo on 12/05/18.

 */

public class Helper {

    public static void StartForegroundServiceNotification(Context context) {

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {

            context.startForegroundService(new Intent(context, NotificationService.class));

        } else {

            context.startService(new Intent(context, NotificationService.class));

        }

    }

}

package com.example.android.customnotifications.services;

import android.app.Service;

import android.content.Intent;

import android.os.IBinder;

/**

 * Created by giacomo on 12/05/18.

 */

public class NotificationService extends Service {

    @Override

    public IBinder onBind(Intent intent) {

        // TODO: Return the communication channel to the service.

        throw new UnsupportedOperationException("Not yet implemented");

    }

    @Override

    public void onCreate() {

        super.onCreate();

    }

    @Override

    public void onDestroy() {

        super.onDestroy();

    }

    @Override

    public int onStartCommand(Intent intent, int flags, int startId) {

        return START_STICKY;

    }

}