Courtesy: GitHub

Android ElizaChat Sample

A basic sample showing how to add extensions to notifications on wearable using NotificationCompat.WearableExtender API by providing a chat experience.


NotificationCompat.WearableExtender API offers you a functionality to add wearable extensions to notifications like Add the Voice Input as a Notification Action.

This example also adds the wearable notifications as a voice input by the following code:

NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.bg_eliza))

Intent intent = new Intent(ACTION_RESPONSE);
PendingIntent pendingIntent = PendingIntent.getService(this, 0, intent,
        PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_CANCEL_CURRENT);
Notification notification = builder
        .extend(new NotificationCompat.WearableExtender()
                .addAction(new NotificationCompat.Action.Builder(
                        R.drawable.ic_full_reply, getString(R.string.reply), pendingIntent)
                        .addRemoteInput(new RemoteInput.Builder(EXTRA_REPLY)
NotificationManagerCompat.from(this).notify(0, notification);

When you issue this notification, users can swipe to the left to see the "Reply" action button.

When you receive the response, you can do it by the following code:

public int onStartCommand(Intent intent, int flags, int startId) {
    if (null == intent || null == intent.getAction()) {
        return Service.START_STICKY;
    String action = intent.getAction();
    if (action.equals(ACTION_RESPONSE)) {
        Bundle remoteInputResults = RemoteInput.getResultsFromIntent(intent);
        CharSequence replyMessage = "";
        if (remoteInputResults != null) {
            replyMessage = remoteInputResults.getCharSequence(EXTRA_REPLY);
    } else if (action.equals(MainActivity.ACTION_GET_CONVERSATION)) {
    return Service.START_STICKY;


  • Android SDK 26
  • Android Build Tools v26.0.1
  • Android Support Repository


Screenshot Screenshot Screenshot 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.


If you've found an error in this sample, please file an issue:

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


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

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.

compile ""

compile ""

compile ""

compile ""

compileSdkVersion 26

minSdkVersion 18

targetSdkVersion 23




A service that runs in the background and provides responses to the incoming messages from the wearable. It also keeps a record of the chat session history, which it can provide upon request.