app/android: add a ForegroundService so the app stays awake and doesn't get killed when in the background (disconnecting the p2p network)

2026-01-08 22:28:12 -05:00 · 2025-04-27 08:30:59 +02:00
parent d3238da4c3
commit a1a32db8d8
6 changed files with 105 additions and 11 deletions
--- a/bin/app/java/ForegroundService.java
+++ b/bin/app/java/ForegroundService.java
@@ -0,0 +1,76 @@
+/* This file is part of DarkFi (https://dark.fi)
+ *
+ * Copyright (C) 2020-2025 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);
+    }
+}
+