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Android DataLayer Sample

This sample demonstrates how to work with a WearableListenerService, to produce and consume DataEvents and effectively work with the DataLayer.


This sample demonstrates how to make a handheld and an Wear device communicate using the DataApi. It does this by sending a picture between connected devices.

An Activity is being used for both the connected devices which implement their parts of the required interfaces.

It showcases how to use an WearableListenerService to consume DataEvents as well as implementations for various required listeners when using the DataApi, MessageApi and NodeApi.


  • Android SDK 28
  • Android Build Tools v28.0.3
  • Android Support Repository


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 2019 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.

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