MessageAPIでhandleからwearに値を送りたい

前提・実現したいこと

MessageAPIを利用して送信する方法が分からなくて詰まっています。
mobile\SubActivity.java内のIntsumKidoの値をwearに送るにはどうすればいいでしょうか。

先日SmartWatchを購入したばかりで勉強中です。
データの送受信について触れてみようと思っているのですが難しい…
Webでも調べたんですがpathやnodeの理解が浅いせいか、試行錯誤しても上手くいきませんでした。

mobile\SubActivity.java

package com.example.taka.wtf;

import android.app.Activity;
import android.os.Bundle;
import java.io.IOException;
import java.util.Collection;
import java.util.HashSet;

import android.content.Context;
import android.hardware.Camera;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.PorterDuff.Mode;
import android.graphics.SurfaceTexture;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.GoogleApiClient.ConnectionCallbacks;
import com.google.android.gms.common.api.GoogleApiClient.OnConnectionFailedListener;
import com.google.android.gms.wearable.DataApi;
import com.google.android.gms.wearable.DataMap;
import com.google.android.gms.wearable.MessageApi;
import com.google.android.gms.wearable.Node;
import com.google.android.gms.wearable.NodeApi;
import com.google.android.gms.wearable.PutDataMapRequest;
import com.google.android.gms.wearable.PutDataRequest;
import com.google.android.gms.wearable.Wearable;


public class SubActivity extends Activity {

    private GoogleApiClient client;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        CameraView view = new CameraView(this);
        setContentView(view);

        this.client = new GoogleApiClient.Builder(this)
        .addConnectionCallbacks(new GoogleApiClient.ConnectionCallbacks() {
            @Override
            public void onConnected(Bundle bundle) {
                Log.d("MyFragment", "onConnected");
            }
            @Override
            public void onConnectionSuspended(int i) {
                Log.d("MyFragment", "onConnectionSuspended");
            }
        })
        .addOnConnectionFailedListener(new GoogleApiClient.OnConnectionFailedListener() {
            @Override
            public void onConnectionFailed(ConnectionResult connectionResult) {
                Log.d("MyFragment", "onConnectionFailed");
            }
        })
        .addApi(Wearable.API)
        .build();
this.client.connect();
    }

    public class CameraView extends SurfaceView implements SurfaceHolder.Callback, Camera.PreviewCallback {
        private Camera mCamera = null;
        private SurfaceTexture mSurfaceTexture = null;
        private static final int Width = 640;
        private static final int Height = 480;
        private int Buffer;
        private float[] Kido;
        private int str;
        private static final int Width2 = 50;
        private static final int Scope = 200;
        private int strstr;
        private int Start;
        private Paint ShindenzuLine = new Paint();
        private SurfaceHolder Holder = null;
        private float sumKido = 0.0f;
        private int frame = 0;
        private int IntsumKido;

        public CameraView(Context context) {
            super(context);
            ShindenzuLine.setColor(Color.rgb(0, 255, 0));
            ShindenzuLine.setStrokeWidth(3);
            ShindenzuLine.setStyle(Style.STROKE);
            Holder = getHolder();
            Holder.addCallback(this);
        }

        public void surfaceCreated(SurfaceHolder holder) {
            Buffer = getWidth();
            Kido = new float[Buffer];
            str = (Buffer - Width2 * 2) / Scope;
            mCamera = Camera.open();
            try {
                mSurfaceTexture = new SurfaceTexture(0);
                mCamera.setPreviewTexture(mSurfaceTexture);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
            stopPreview();
            Camera.Parameters params = mCamera.getParameters();
            params.setPreviewSize(Width, Height);
            params.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
            mCamera.setParameters(params);
            Start = 0;
            strstr = 0;
            startPreview();
        }

        public void surfaceDestroyed(SurfaceHolder holder) {
            stopPreview();
            mCamera.release();
            mCamera = null;
        }

        @Override
        public void onPreviewFrame(byte[] data, Camera camera) {
            Kido[strstr % Buffer] = KidoKeisan(data);
            strstr++;
            Shindenzu();
        }

        private void startPreview() {
            mCamera.setPreviewCallback(this);
            mCamera.startPreview();
        }

        private void stopPreview() {
            mCamera.setPreviewCallback(null);
            mCamera.stopPreview();
        }

        private float KidoKeisan(byte[] data) {


            for (int y = Height / 4; y < Height * 3 / 4; y++) {
                for (int x = Width / 4; x < Width * 3 / 4; x++) {
                    sumKido += (float) (data[y * Width + x] & 0xff);
                    frame++;
                }
            }
            sumKido /= frame;
            IntsumKido = (int)sumKido;
            return sumKido;
        }

        private void Shindenzu() {
            int idx, idx_1;
            Canvas canvas = Holder.lockCanvas();
            if (canvas != null) {
                canvas.drawColor(0, Mode.CLEAR);
                if (strstr >= Scope) {
                    Start++;
                }
                for (int i = Start, x = 0; i < strstr - 1; i++, x++) {
                    idx = i % Buffer;
                    idx_1 = (i + 1) % Buffer;
                    canvas.drawLine(x * str + Width2, (Kido[idx] - 80) * 20, (x + 1) * str + Width2, (Kido[idx_1] - 80) * 20, ShindenzuLine);
                }
                Holder.unlockCanvasAndPost(canvas);
            }
        }


    }
}

wear\MainActivity.java

package com.example.taka.wtf;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.wearable.DataApi;
import com.google.android.gms.wearable.DataMap;
import com.google.android.gms.wearable.PutDataMapRequest;
import com.google.android.gms.wearable.PutDataRequest;
import com.google.android.gms.wearable.Wearable;


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

    int gamenID = R.layout.rect_activity_main;
    private GoogleApiClient mGoogleApiClient;

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

    mGoogleApiClient = new GoogleApiClient
    .Builder(this)
    .addConnectionCallbacks(this)
    .addOnConnectionFailedListener(this)
    .addApi(Wearable.API)
    .build();
    }


    @Override
    protected void onResume() {
        super.onResume();
        mGoogleApiClient.connect();
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (mGoogleApiClient != null && mGoogleApiClient.isConnected()) {
            mGoogleApiClient.disconnect();
        }
    }

    @Override
    public void onConnected(Bundle bundle) {
        Log.d("TAG", "onConnected");
    }

    @Override
    public void onConnectionSuspended(int i) {
        Log.d("TAG", "onConnectionSuspended");
    }

    @Override
    public void onConnectionFailed(ConnectionResult connectionResult) {
        Log.e("TAG", "onConnectionFailed: " + connectionResult);
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {

        if(event.getAction() == MotionEvent.ACTION_MOVE){
            if(gamenID == R.layout.rect_activity_main){
                setContentView(R.layout.lill);
                gamenID = R.layout.lill;
            }
            else if(gamenID == R.layout.lill){
                setContentView(R.layout.resonance);
                gamenID = R.layout.resonance;
            }
            else if(gamenID == R.layout.resonance){
                setContentView(R.layout.stress);
                gamenID = R.layout.stress;
            }
            else if(gamenID == R.layout.stress){
                setContentView(R.layout.hi_stress);
                gamenID = R.layout.hi_stress;
            }
        }
        return super.onTouchEvent(event);
    }
}