我想从我的Android手表向我的Android手机发送消息。另一种方法是工作

我想在手表上启动应用程序时向手机发送消息。 我不能让它工作。另一种方法是每次都工作

移动舱单：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="marcokreeft.domotica">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <meta-data android:name="com.google.android.gms.version"
            android:value="@integer/google_play_services_version" />

        <service android:name=".ListenerService">
            <intent-filter>
                <!--<action android:name="com.google.android.gms.wearable.BIND_LISTENER" />-->
                <action android:name="com.google.android.gms.wearable.DATA_CHANGED" />
                <action android:name="com.google.android.gms.wearable.MESSAGE_RECEIVED" />
                <data android:scheme="wear" android:host="*" android:pathPrefix="/message_path" />
            </intent-filter>
        </service>

        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="marcokreeft.domotica">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <meta-data android:name="com.google.android.gms.version"
            android:value="@integer/google_play_services_version" />

        <service android:name=".ListenerService">
            <intent-filter>
                <!--<action android:name="com.google.android.gms.wearable.BIND_LISTENER" />-->
                <action android:name="com.google.android.gms.wearable.DATA_CHANGED" />
                <action android:name="com.google.android.gms.wearable.MESSAGE_RECEIVED" />
                <data android:scheme="wear" android:host="*" android:pathPrefix="/message_path" />
            </intent-filter>
        </service>

        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

主要活动：

public class MainActivity extends Activity implements
        GoogleApiClient.ConnectionCallbacks,
        GoogleApiClient.OnConnectionFailedListener {

    GoogleApiClient googleClient;
    private TextView mTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Build a new GoogleApiClient for the Wearable API
        googleClient = new GoogleApiClient.Builder(this)
                .addApi(Wearable.API)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .build();

        final WatchViewStub stub = (WatchViewStub) findViewById(R.id.watch_view_stub);
        stub.setOnLayoutInflatedListener(new WatchViewStub.OnLayoutInflatedListener() {
            @Override
            public void onLayoutInflated(WatchViewStub stub) {
                mTextView = (TextView) stub.findViewById(R.id.text);
            }
        });
    }

    // Connect to the data layer when the Activity starts
    @Override
    protected void onStart() {
        super.onStart();
        googleClient.connect();
    }

    // Send a message when the data layer connection is successful.
    @Override
    public void onConnected(Bundle connectionHint) {
        String message = "Hello mobile\n Via the data layer";
        //Requires a new thread to avoid blocking the UI
        new SendToDataLayerThread("/message_path", message).start();
    }

    // Disconnect from the data layer when the Activity stops
    @Override
    protected void onStop() {
        if (null != googleClient && googleClient.isConnected()) {
            googleClient.disconnect();
        }
        super.onStop();
    }

    // Placeholders for required connection callbacks
    @Override
    public void onConnectionSuspended(int cause) { }

    @Override
    public void onConnectionFailed(ConnectionResult connectionResult) { }

    class SendToDataLayerThread extends Thread {
        String path;
        String message;

        // Constructor to send a message to the data layer
        SendToDataLayerThread(String p, String msg) {
            path = p;
            message = msg;
        }

        public void run() {
            NodeApi.GetConnectedNodesResult nodes = Wearable.NodeApi.getConnectedNodes(googleClient).await();
            for (Node node : nodes.getNodes()) {
                MessageApi.SendMessageResult result = Wearable.MessageApi.sendMessage(googleClient, node.getId(), path, message.getBytes()).await();
                if (result.getStatus().isSuccess()) {
                    Log.v("myTag", "Message: {" + message + "} sent to: " + node.getDisplayName());
                }
                else {
                    // Log an error
                    Log.v("myTag", "ERROR: failed to send Message");
                }
            }
        }
    }
}

Wearable.NodeApi.getConnectedNodes（mgoogleapClient）.setResultCallback（getConnectedNodeResult->{
列表节点=GetConnectedNodeResult.getNodes（）；
if（nodes.size（）==0）{
Toast.makeText（这是“您未连接到任何移动设备”，Toast.LENGTH_LONG.show（）；
setButtonStatus（真）；
}否则{
用于（节点：节点）{
Log.i（标签，“磨损发送”+消息+”到“+节点）；
Wearable.MessageApi.sendMessage（mGoogleApiClient，node.getId（），message，payload）.setResultCallback（new ResultCallback（））{
@凌驾
public void onResult（MessageApi.SendMessageResult SendMessageResult）{
Log.i（标记“磨损结果”+sendMessageResult.getStatus（））；
}
});
}
}
});

---

建立连接后，请尝试使用此代码将详细信息从watch发送到mobile。

很抱歉反应太晚。此代码对我不起作用=（从我的手机发送到我的手表可以正常工作。但是发送回一些东西不起作用

public class MainActivity extends Activity implements
        GoogleApiClient.ConnectionCallbacks,
        GoogleApiClient.OnConnectionFailedListener {

    GoogleApiClient googleClient;
    private TextView mTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Build a new GoogleApiClient for the Wearable API
        googleClient = new GoogleApiClient.Builder(this)
                .addApi(Wearable.API)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .build();

        final WatchViewStub stub = (WatchViewStub) findViewById(R.id.watch_view_stub);
        stub.setOnLayoutInflatedListener(new WatchViewStub.OnLayoutInflatedListener() {
            @Override
            public void onLayoutInflated(WatchViewStub stub) {
                mTextView = (TextView) stub.findViewById(R.id.text);
            }
        });
    }

    // Connect to the data layer when the Activity starts
    @Override
    protected void onStart() {
        super.onStart();
        googleClient.connect();
    }

    // Send a message when the data layer connection is successful.
    @Override
    public void onConnected(Bundle connectionHint) {
        String message = "Hello mobile\n Via the data layer";
        //Requires a new thread to avoid blocking the UI
        new SendToDataLayerThread("/message_path", message).start();
    }

    // Disconnect from the data layer when the Activity stops
    @Override
    protected void onStop() {
        if (null != googleClient && googleClient.isConnected()) {
            googleClient.disconnect();
        }
        super.onStop();
    }

    // Placeholders for required connection callbacks
    @Override
    public void onConnectionSuspended(int cause) { }

    @Override
    public void onConnectionFailed(ConnectionResult connectionResult) { }

    class SendToDataLayerThread extends Thread {
        String path;
        String message;

        // Constructor to send a message to the data layer
        SendToDataLayerThread(String p, String msg) {
            path = p;
            message = msg;
        }

        public void run() {
            NodeApi.GetConnectedNodesResult nodes = Wearable.NodeApi.getConnectedNodes(googleClient).await();
            for (Node node : nodes.getNodes()) {
                MessageApi.SendMessageResult result = Wearable.MessageApi.sendMessage(googleClient, node.getId(), path, message.getBytes()).await();
                if (result.getStatus().isSuccess()) {
                    Log.v("myTag", "Message: {" + message + "} sent to: " + node.getDisplayName());
                }
                else {
                    // Log an error
                    Log.v("myTag", "ERROR: failed to send Message");
                }
            }
        }
    }
}

 Wearable.NodeApi.getConnectedNodes(mGoogleApiClient).setResultCallback(getConnectedNodesResult -> {
            List<Node> nodes = getConnectedNodesResult.getNodes();
            if(nodes.size() == 0){
                Toast.makeText(this,"You are not connected to any mobile device",Toast.LENGTH_LONG).show();
                setButtonStatus(true);
            } else {
                for (Node node : nodes) {
                    Log.i(TAG, "WEAR sending " + message + " to " + node);
                    Wearable.MessageApi.sendMessage(mGoogleApiClient, node.getId(), message, payload).setResultCallback(new ResultCallback<MessageApi.SendMessageResult>() {
                        @Override
                        public void onResult(MessageApi.SendMessageResult sendMessageResult) {
                            Log.i(TAG, "WEAR Result " + sendMessageResult.getStatus());
                        }
                    });
                }
            }

        });