Android Wear(Wear OS by google)で心拍数を計測する方法

環境

Windows 10 Pro
Android Studio最新版
スマートフォン : Zenfone 2 laser
スマートウォッチ : TicWatch Pro(APIレベル 26)

やりたいこと

スマートウォッチで、心拍数を”リアルタイム”で計測したい
よろしくお願いします

問題

ネット上の記事を参考に作ってみたが、動作しない
原因も思い当たるものがない
(エラー等はなし)

ソースコード

java
1package com.websarva.wings.android.lifesaver;
2
3import android.hardware.Sensor;
4import android.hardware.SensorEvent;
5import android.hardware.SensorEventListener;
6import android.hardware.SensorManager;
7import android.os.Bundle;
8import android.os.Handler;
9import android.os.Message;
10import android.support.wearable.activity.WearableActivity;
11import android.support.wearable.input.WearableButtons;
12import android.view.View;
13import android.widget.Button;
14import android.widget.EditText;
15import android.widget.TextView;
16
17import com.google.android.gms.tasks.Task;
18import com.google.android.gms.tasks.Tasks;
19import com.google.android.gms.wearable.DataClient;
20import com.google.android.gms.wearable.DataEvent;
21import com.google.android.gms.wearable.DataEventBuffer;
22import com.google.android.gms.wearable.DataItem;
23import com.google.android.gms.wearable.DataMap;
24import com.google.android.gms.wearable.DataMapItem;
25import com.google.android.gms.wearable.PutDataMapRequest;
26import com.google.android.gms.wearable.PutDataRequest;
27import com.google.android.gms.wearable.Wearable;
28
29import java.text.DateFormat;
30import java.text.SimpleDateFormat;
31
32public class MainActivity extends WearableActivity implements DataClient.OnDataChangedListener,
33        SensorEventListener{
34
35    private static final String HEART_RATE_KEY = "heart_late";
36    private static final String HEART_RATE_PATH = "/lifesaver/wear/heart";
37
38    private static final String GENERAL_MESSAGE_KEY_WEAR = "message_from_wear";
39    private static final String GENERAL_MESSAGE_PATH_WEAR = "/lifesaver/wear/message";
40
41    private static final String GENERAL_MESSAGE_KEY_ANDROID = "message_from_android";
42    private static final String GENERAL_MESSAGE_PATH_ANDROID = "/lifesaver/android/message";
43
44    SensorManager heartRateManager;
45    Sensor heartRateSensor;
46
47    TextView tvStatus, tvHeartRate;
48    EditText etMessage;
49    Button btSend, btSync, btClear;
50
51
52    @Override
53    protected void onCreate(Bundle savedInstanceState) {
54        super.onCreate(savedInstanceState);
55        setContentView(R.layout.activity_main);
56        // Enables Always-on
57        setAmbientEnabled();
58
59        tvStatus = findViewById(R.id.tvStatus);
60        tvHeartRate = findViewById(R.id.tvHeartRate);
61        etMessage = findViewById(R.id.etMessage);
62        btSend = findViewById(R.id.btSendMessage);
63        btSync = findViewById(R.id.btSync);
64        btClear = findViewById(R.id.btClear);
65
66
67        heartRateManager = (SensorManager)getSystemService(SENSOR_SERVICE);
68        heartRateSensor = heartRateManager.getDefaultSensor(Sensor.TYPE_HEART_RATE);
69    }
70
71
72    @Override
73    public void onSensorChanged(SensorEvent event) {
74        if (event.sensor.getType() == Sensor.TYPE_HEART_RATE) {
75            tvHeartRate.setText(String.valueOf(event.values[0]));
76        }
77    }
78
79
80    @Override
81    public void onAccuracyChanged(Sensor sensor, int accuracy) {
82
83    }
84
85    @Override
86    protected void onResume() {
87        super.onResume();
88        Wearable.getDataClient(this).addListener(this);
89
90
91        heartRateManager.registerListener(this, heartRateSensor, SensorManager.SENSOR_DELAY_NORMAL);
92        Sensor heart = heartRateManager.getDefaultSensor(Sensor.TYPE_HEART_RATE);
93    }
94
95    @Override
96    protected void onPause() {
97        super.onPause();
98        Wearable.getDataClient(this).removeListener(this);
99
100        heartRateManager.unregisterListener(this);
101//        heartRateManager.unregisterListener(mHeartListener);
102    }
103
104    @Override
105    public void onEnterAmbient(Bundle ambientDetails) {
106        super.onEnterAmbient(ambientDetails);
107        updateDisplay();
108    }
109
110    @Override
111    public void onUpdateAmbient() {
112        super.onUpdateAmbient();
113        updateDisplay();
114    }
115
116    @Override
117    public void onExitAmbient() {
118        updateDisplay();
119        super.onExitAmbient();
120    }
121
122    private void updateDisplay() {
123
124    }
125
126    @Override
127    public void onDataChanged(DataEventBuffer dataEvents) {
128        for(DataEvent event : dataEvents) {
129            if(event.getType() == DataEvent.TYPE_CHANGED) {
130                //DataItem Changed
131                DataItem item = event.getDataItem();
132                if (item.getUri().getPath().compareTo(GENERAL_MESSAGE_PATH_ANDROID) == 0) {
133                    DataMap dataMap = DataMapItem.fromDataItem(item).getDataMap();
134                    tvStatus.setText(dataMap.getString(GENERAL_MESSAGE_KEY_ANDROID));
135                }
136            }
137            else if(event.getType() == DataEvent.TYPE_DELETED) {
138                tvStatus.setText("deleted");
139            }
140        }
141    }
142
143    public void SendMessageToAndroid(String message,  String key, String path) {
144        PutDataMapRequest dataMap = PutDataMapRequest.create(path);
145        dataMap.getDataMap().putString(key, message);
146
147        PutDataRequest putDataReq = dataMap.asPutDataRequest();
148        putDataReq.setUrgent();
149        Wearable.getDataClient(getApplicationContext()).putDataItem(putDataReq);
150    }
151
152    public void onClickButton(View view) {
153        switch (view.getId()) {
154            case R.id.btSendMessage:
155                String message = etMessage.getText().toString();
156                SendMessageToAndroid(message, GENERAL_MESSAGE_KEY_WEAR, GENERAL_MESSAGE_PATH_WEAR);
157                break;
158            case R.id.btSync:
159                break;
160            case R.id.btClear:
161                etMessage.setText("");
162                break;
163            default:
164                break;
165        }
166    }
167}