AlarmBroadcast

import android.app.AlarmManager;
import android.app.IntentService;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.support.v7.app.NotificationCompat;

import com.acklay.frazy.MainActivity;
import com.acklay.frazy.R;

import java.util.Calendar;

public class AlarmBroadcast extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {

        if (Intent.ACTION_BOOT_COMPLETED.equals(intent.getAction())) {

            Calendar calendar = Calendar.getInstance();
            calendar.setTimeInMillis(System.currentTimeMillis());
            calendar.add(Calendar.DAY_OF_MONTH, 1);
            calendar.set(Calendar.HOUR_OF_DAY, 16); 
            calendar.set(Calendar.MINUTE, 13);
            calendar.set(Calendar.SECOND, 0);

            Intent serviceIntent = new Intent(context, NotificationService.class);
            PendingIntent pendingIntent = PendingIntent.getService(context, 0, serviceIntent, 0);

            AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);

            alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP,
                    calendar.getTimeInMillis(),
                    AlarmManager.INTERVAL_DAY,
                    pendingIntent);
        }
    }

    public class NotificationService extends IntentService {

        public NotificationService() {
            super("NotificationService");
        }

        @Override
        protected void onHandleIntent(Intent intent) {
            sendNotification(getApplicationContext());
        }

        /**
         * Send simple notification using the NotificationCompat API.
         */
        public void sendNotification(Context context) {

            NotificationCompat.Builder builder = new NotificationCompat.Builder(context);
            builder.setSmallIcon(R.mipmap.ic_launcher);
            Intent intent = new Intent(context, MainActivity.class);
            PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
            builder.setContentIntent(pendingIntent);
            builder.setLargeIcon(BitmapFactory.decodeResource(context.getResources(), R.mipmap.ic_launcher));

            builder.setContentTitle("Titulo da notificação");

            builder.setContentText("O conteudo da notificaçãoooo estará aqui");

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

            // Will display the notification in the notification bar
            notificationManager.notify(1, builder.build());
        }
    }
}

AndroidManifest.xml

<receiver android:name=".AlarmBroadcast">
            <intent-filter>
                <action android:name="android.intent.action.BOOT_COMPLETED" />
            </intent-filter>
</receiver>