Java tutorial
package com.breadwallet.tools.manager; import android.app.Activity; import android.app.NotificationManager; import android.app.PendingIntent; import android.app.TaskStackBuilder; import android.content.Context; import android.content.Intent; import android.support.v7.app.NotificationCompat; import com.breadwallet.presenter.activities.MainActivity; /** * BreadWallet * <p> * Created by Mihail Gutan <mihail@breadwallet.com> on 6/28/16. * Copyright (c) 2016 breadwallet LLC * <p> * 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: * <p> * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * <p> * 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. */ public class BRNotificationManager { public static final String TAG = BRNotificationManager.class.getName(); public static void sendNotification(Activity ctx, int icon, String title, String message, int mId) { if (ctx == null) return; android.support.v4.app.NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(ctx) .setSmallIcon(icon).setContentTitle(title).setContentText(message); // Creates an explicit intent for an Activity in your app Intent resultIntent = new Intent(ctx, MainActivity.class); // The stack builder object will contain an artificial back stack for the // started Activity. // This ensures that navigating backward from the Activity leads out of // your application to the Home screen. TaskStackBuilder stackBuilder = TaskStackBuilder.create(ctx); // Adds the back stack for the Intent (but not the Intent itself) stackBuilder.addParentStack(MainActivity.class); // Adds the Intent that starts the Activity to the top of the stack stackBuilder.addNextIntent(resultIntent); PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT); mBuilder.setContentIntent(resultPendingIntent); NotificationManager mNotificationManager = (NotificationManager) ctx .getSystemService(Context.NOTIFICATION_SERVICE); // mId allows you to update the notification later on. mNotificationManager.notify(mId, mBuilder.build()); } }