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README.md

Android BasicNotifications Sample

A basic app showing how to display events in the system's notification bar using the NotificationCompat API. NotificationCompat API is used for compatibility with older devices, running Android 1.6 (Donut) (API level 4) or newer.

Introduction

The Notification API allows the app developers to display a message outside of your application's normal UI.

The class Notification was added in the Android 3.0 (API level 11), but this sample refers to the NotificationCompat class (part of the support library), which offers the same functionality for Android 1.6 (API level 4) or newer.

A Notificaiton can be created using Notification.Builder object. At bare minimum, a Builder object must include the following:

in the code snippet, it looks like following.

NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
builder.setSmallIcon(R.drawable.ic_stat_notification);
builder.setContentTitle("BasicNotifications Sample");
builder.setContentText("Time to learn about notifications!");

To issue the notification, call notify() method in the NotificationManager. The code snippet will immediately display the notification icon in the notification bar.

NotificationManager notificationManager = (NotificationManager) getSystemService(
        NOTIFICATION_SERVICE);
notificationManager.notify(NOTIFICATION_ID, builder.build());

Pre-requisites

  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository

Screenshots

Screenshot

Getting Started

This sample uses the Gradle build system. To build this project, use the "gradlew build" command or use "Import Project" in Android Studio.

Support

If you've found an error in this sample, please file an issue: https://github.com/googlesamples/android-BasicNotifications

Patches are encouraged, and may be submitted by forking this project and submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.

License

Copyright 2017 The Android Open Source Project, Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.