Java tutorial
/** * Copyright (c) 2013-2014 appPlant UG * Copyright (c) 2015 Tasso Evangelista * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package me.tassoevan.cordova; import android.annotation.SuppressLint; import android.app.Notification; import android.app.PendingIntent; import android.app.Service; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.os.Build; import android.os.Handler; import android.os.IBinder; import android.util.Log; import java.util.Date; import java.util.Timer; import java.util.TimerTask; import org.json.JSONObject; public class ForegroundService extends Service { private static final int NOTIFICATION_ID = -574543954; private final Timer scheduler = new Timer(); private TimerTask keepAliveTask; @Override public IBinder onBind(Intent intent) { return null; } @Override public void onCreate() { super.onCreate(); final Handler handler = new Handler(); startForeground(NOTIFICATION_ID, makeNotification()); keepAliveTask = new TimerTask() { @Override public void run() { handler.post(new Runnable() { @Override public void run() { Log.d(BackgroundPlugin.class.getName(), "" + new Date().getTime()); } }); } }; scheduler.schedule(keepAliveTask, 0, 1000); } @Override public void onDestroy() { super.onDestroy(); stopForeground(true); keepAliveTask.cancel(); } @SuppressLint("NewApi") @SuppressWarnings("deprecation") private Notification makeNotification() { JSONObject settings = BackgroundPlugin.settings; Context context = getApplicationContext(); String pkgName = context.getPackageName(); Intent intent = context.getPackageManager().getLaunchIntentForPackage(pkgName); Notification.Builder notification = new Notification.Builder(context) .setContentTitle(settings.optString("title", "")).setContentText(settings.optString("text", "")) .setTicker(settings.optString("ticker", "")).setOngoing(true).setSmallIcon(getIconResId()); if (intent != null && settings.optBoolean("resume")) { PendingIntent contentIntent = PendingIntent.getActivity(context, NOTIFICATION_ID, intent, PendingIntent.FLAG_CANCEL_CURRENT); notification.setContentIntent(contentIntent); } if (Build.VERSION.SDK_INT < 16) { return notification.getNotification(); } else { return notification.build(); } } private int getIconResId() { Context context = getApplicationContext(); Resources res = context.getResources(); String pkgName = context.getPackageName(); return res.getIdentifier("icon", "drawable", pkgName); } }