WearSocket
A wrapper for socket communication between Android Wear and Android Mobile. There is a lot of boiler plate to send data between Android Wear and Android Mobile devices. This library (inspired by Socket.IO), aims to streamline both message sending and synching data updates.
Installation
Use JitPack
allprojects {
repositories {
maven {
url "https://jitpack.io"
}
}
}
dependencies {
compile 'com.github.jrejaud:WearSocket:1.0.+'
}
Setup
First, get an instance of the WearSocket and set it up by passing Context and the wear app capabilities
WearSocket wearSocket = WearSocket.getInstance();
String androidWearCapability = ...; wearSocket.setupAndConnect(context, androidWearCapability, new onErrorListener() {
@Override
public void onError(Throwable throwable) {
//Throws an error here if there is a problem connecting to the other device.
}
}
);
Advertising Capabilities (copied from official Google documentation)
Create an XML configuration file in the res/values/ directory of your project and name it wear.xml. Add a resource named android_wear_capabilities to wear.xml. Define capabilities that the device provides. Note: Capabilities are custom strings that you define and must be unique within your app.
The following example shows how to add a capability named voice_transcription to wear.xml:
<resources>
<string-array name="android_wear_capabilities">
<item>voice_transcription</item>
</string-array> </resources> Sending and Receiving Messages between Wear and Mobile
Sending Message
Pick a path (think of it like a subject) for your message.
wearSocket.sendMessage("myPath","myMessage");
Receiving a Message
Start your message listener and listen for the path that you are associating with your messages.
wearSocket.startMessageListener(context,"myPath");
Implement WearSocket.MessageListener and override messageReceived to start listening for messages
public class MyActivity implements WearSocket.MessageListener
@Override
public void messageReceived(String path, String message) {
//Do things here!
}
Synching Data Updates between Wear and Mobile
Updating a data item
Note: Data Path should begin with /, thus I recommend using one different from message sending. dataItem is an object (or collection of objects).
wearSocket.updateDataItem("myDataPath","myKey",dataItem);
Receiving a data item update
Start your data change listener and listen for the path that you are associating with your data changes.
wearSocket.startDataListener(context,"myDataPath");
Additionally, you need to associate a Type with a specific Key. For example, if the key "myKey" is associated with a List<String> object, set that Type accordingly:
wearSocket.setKeyDataType("myKey",new TypeToken<List<String>>() {
}
.getType());
Change List<String> to whatever class (or collection of classes) that dataItem is.
Implement WearSocket.MessageListener and override messageReceived to start listening for messages
public class MyActivity implements WearSocket.MessageListener
@Override
public void dataChanged(String key, Object data) {
//Cast "data" as whatever class you sent it as
ArrayList<String> dataItem = (ArrayList<String>) data;
//Do things here!
}
License and Attribution
MIT License
WearSocket uses: Gson, Android Wearable APIs, Google Play Services