darkfi/bin/app/java/ForegroundService.java

/* This file is part of DarkFi (https://dark.fi)
 *
 * Copyright (C) 2020-2026 Dyne.org foundation
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package TARGET_PACKAGE_NAME;

import android.app.Service;
import android.content.pm.ServiceInfo;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Intent;
import android.os.Build;
import android.os.IBinder;
import android.util.Log;

public class ForegroundService extends Service {

    @Override
    public void onCreate() {
        super.onCreate();
        createNotificationChannel();
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        //Log.d("darkfi", "ForegroundService::onStartCommand()");
        Notification.Builder builder = 
            new Notification.Builder(this, "darkfi_service");

        Notification notification = builder
            .setContentTitle("DarkFi")
            .setContentText("Running p2p network...")
            .setSmallIcon(android.R.drawable.ic_dialog_info)
            .build();

        startForeground(
            100,
            notification,
            ServiceInfo.FOREGROUND_SERVICE_TYPE_REMOTE_MESSAGING
        );

        return START_STICKY;
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    private void createNotificationChannel() {
        //Log.d("darkfi", "ForegroundService::createNotificationChannel()");
        NotificationChannel channel = new NotificationChannel(
            "darkfi_service",
            "DarkFi Foreground Service",
            NotificationManager.IMPORTANCE_DEFAULT
        );
        NotificationManager manager = getSystemService(NotificationManager.class);
        manager.createNotificationChannel(channel);
    }
}