heartbeatapp/app/src/main/java/com/rubenvandeven/heartbeatstreamer/heartrate/HeartRateService.java

441 lines
17 KiB
Java

package com.rubenvandeven.heartbeatstreamer.heartrate;
import android.app.AlertDialog;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.IBinder;
import android.os.Looper;
import android.os.VibrationEffect;
import android.os.Vibrator;
import android.support.v4.app.NotificationCompat;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import com.dsi.ant.plugins.antplus.pcc.AntPlusHeartRatePcc;
import com.dsi.ant.plugins.antplus.pcc.defines.DeviceState;
import com.dsi.ant.plugins.antplus.pcc.defines.EventFlag;
import com.dsi.ant.plugins.antplus.pcc.defines.RequestAccessResult;
import com.dsi.ant.plugins.antplus.pccbase.AntPluginPcc;
import com.dsi.ant.plugins.antplus.pccbase.AsyncScanController;
import com.dsi.ant.plugins.antplus.pccbase.PccReleaseHandle;
import com.koushikdutta.async.future.Future;
import com.koushikdutta.async.http.AsyncHttpClient;
import com.koushikdutta.async.http.WebSocket;
import com.rubenvandeven.heartbeatstreamer.MainActivity;
import com.rubenvandeven.heartbeatstreamer.R;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.EnumSet;
import java.util.Timer;
import java.util.TimerTask;
public class HeartRateService extends Service {
private static final String TAG = HeartRateService.class.getSimpleName();
public static final String BROADCAST_MONITOR_CONNECTED = "com.rubenvandeven.heartbeat.broadcast.monitor_started";
public static final String BROADCAST_MONITOR_DISCONNECTED = "com.rubenvandeven.heartbeat.broadcast.monitor_stopped";
public static final String BROADCAST_MONITOR_UNKNOWN = "com.rubenvandeven.heartbeat.broadcast.monitor_unknown";
public static final String BROADCAST_MONITOR_UPDATE = "com.rubenvandeven.heartbeat.broadcast.monitor_update";
public static final String BROADCAST_MONITOR_CONNECT_ATTEMPT = "com.rubenvandeven.heartbeat.broadcast.connect_attempt";
public static final String BROADCAST_MONITOR_CONNECT_RESULT = "com.rubenvandeven.heartbeat.broadcast.connect_reslt";
public static final String BROADCAST_SOCKET_SENT = "com.rubenvandeven.heartbeat.broadcast.socket_sent";
public static final String BROADCAST_SERVICE_START = "com.rubenvandeven.heartbeat.broadcast.service_start";
public static final String BROADCAST_SERVICE_STOPPED = "com.rubenvandeven.heartbeat.broadcast.service_stopped";
public static final String BROADCAST_BEAT = "com.rubenvandeven.heartbeat.broadcast.beat";
public static final String ACTION_START = "com.rubenvandeven.heartbeat.service_start";
public static final String ACTION_STOP = "com.rubenvandeven.heartbeat.service_stop";
public static final int NOTIFICATION_ID = 101;
AsyncScanController<AntPlusHeartRatePcc> hrScanCtrl;
AntPlusHeartRatePcc hrPcc;
PccReleaseHandle<AntPlusHeartRatePcc> releaseHandle;
JSONObject lastMsg = null;
public static boolean isRunning = false;
NotificationCompat.Builder builder;
NotificationManager notificationManager;
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Timer lifelineTimer;
DeviceState currentDeviceState;
boolean restartService = false;
@Override
public void onCreate() {
notificationManager =
(NotificationManager) getSystemService(Service.NOTIFICATION_SERVICE);
startLifelineTimer();
setRunning(true);
requestAccessToPcc();
}
public void setRunning(boolean running) {
if(running == isRunning) {
return;
}
isRunning = running;
Intent i;
if(running) {
i = new Intent(BROADCAST_SERVICE_START);
} else {
i = new Intent(BROADCAST_SERVICE_STOPPED);
}
sendBroadcast(i);
}
/**
* Start main thread, request location updates, start synchronization.
*
* @param intent Intent
* @param flags Flags
* @param startId Unique id
* @return Always returns START_STICKY
*/
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.i(TAG, "Received start id " + startId + ": " + intent);
Intent notificationIntent = new Intent(this, MainActivity.class);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_CLEAR_TASK);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
notificationIntent, 0);
builder = new NotificationCompat.Builder(this)
.setContentText("Starting")
.setContentTitle("Heartbeat Streamer")
.setSmallIcon(R.drawable.ic_notification)
.setAutoCancel(false)
.setOngoing(true)
.setOnlyAlertOnce(false)
.setContentIntent(pendingIntent)
;
startForeground(NOTIFICATION_ID,
builder.build());
return START_STICKY;
}
protected AntPluginPcc.IDeviceStateChangeReceiver stateChangeReceiver =
new AntPluginPcc.IDeviceStateChangeReceiver()
{
@Override
public void onDeviceStateChange(final DeviceState state)
{
currentDeviceState = state;
if(DeviceState.DEAD.equals(state) || DeviceState.CLOSED.equals(state)) {
sendBroadcast(new Intent(BROADCAST_MONITOR_DISCONNECTED));
updateNotification("Disconnected");
waitAndReconnect();
} else if (DeviceState.TRACKING.equals(state)) {
sendBroadcast(new Intent(BROADCAST_MONITOR_CONNECTED));
updateNotification("Connected!");
} else {
Intent i = new Intent(BROADCAST_MONITOR_UNKNOWN);
i.putExtra("status", state.getIntValue());
updateNotification("Unknown status: "+ String.valueOf(state.getIntValue()));
sendBroadcast(i);
}
}
};
protected AntPluginPcc.IPluginAccessResultReceiver<AntPlusHeartRatePcc> resultReceiver =
new AntPluginPcc.IPluginAccessResultReceiver<AntPlusHeartRatePcc>() {
//Handle the result, connecting to events on success or reporting failure to user.
@Override
public void onResultReceived(AntPlusHeartRatePcc result, RequestAccessResult resultCode,
DeviceState initialDeviceState) {
// showDataDisplay("Connecting...");
Intent i = new Intent(BROADCAST_MONITOR_CONNECT_RESULT);
switch (resultCode) {
case SUCCESS:
i.putExtra("msg", "Success");
updateNotification("Access");
connectHr(result);
break;
case CHANNEL_NOT_AVAILABLE:
showNotification("Channel Not Available");
i.putExtra("msg", "Channel Not Available");
updateNotification("Channel not available");
break;
case OTHER_FAILURE:
showNotification("RequestAccess failed. See logcat for details.");
i.putExtra("msg", "RequestAccess failed. See logcat for details.");
updateNotification("RequestAccess failed");
break;
case USER_CANCELLED:
showNotification("Cancelled. Do reset.");
i.putExtra("msg", "Cancelled. Do reset.");
updateNotification("Cancelled, do reset");
break;
case UNRECOGNIZED:
default:
showNotification("Unknown error. Do reset.");
i.putExtra("msg", "unknown error. Do reset.");
updateNotification("Unknown error, do reset");
break;
}
sendBroadcast(i);
}
};
private void connectHr(AntPlusHeartRatePcc result) {
hrPcc = result; // keep track of current connection
hrPcc.subscribeHeartRateDataEvent(new AntPlusHeartRatePcc.IHeartRateDataReceiver()
{
@Override
public void onNewHeartRateData(final long estTimestamp, EnumSet<EventFlag> eventFlags,
final int computedHeartRate, final long heartBeatCount,
final BigDecimal heartBeatEventTime, final AntPlusHeartRatePcc.DataState dataState)
{
currentDeviceState = DeviceState.TRACKING;
DecimalFormatSymbols otherSymbols = new DecimalFormatSymbols();
otherSymbols.setDecimalSeparator('.');
DecimalFormat df = new DecimalFormat("#.##", otherSymbols);
// Mark heart rate with asterisk if zero detected
final String textHeartRate = String.valueOf(computedHeartRate)
+ ((AntPlusHeartRatePcc.DataState.ZERO_DETECTED.equals(dataState)) ? "*" : "");
// Mark heart beat count and heart beat event time with asterisk if initial value
final String textHeartBeatCount = String.valueOf(heartBeatCount)
+ ((AntPlusHeartRatePcc.DataState.INITIAL_VALUE.equals(dataState)) ? "*" : "");
final String textHeartBeatEventTime = df.format(heartBeatEventTime)
+ ((AntPlusHeartRatePcc.DataState.INITIAL_VALUE.equals(dataState)) ? "*" : "");
Intent intent = new Intent(BROADCAST_BEAT);
intent.putExtra("rate", textHeartRate);
intent.putExtra("count", textHeartBeatCount);
intent.putExtra("time", textHeartBeatEventTime);
sendBroadcast(intent);
updateNotification(textHeartRate + " bpm / " + textHeartBeatCount + " beats / " + textHeartBeatEventTime );
JSONObject jObjectData = new JSONObject();
// final String msg = String.format("{\"rate\":\"%s\", \"count\":\"%s\", \"time\":\"%s\"}", textHeartRate, textHeartBeatCount, textHeartBeatEventTime);
final String msg;
try {
jObjectData.put("rate", textHeartRate);
jObjectData.put("count", textHeartBeatCount);
jObjectData.put("time", textHeartBeatEventTime);
jObjectData.put("timestamp", dateFormat.format(new Date()));
jObjectData.put("token", getToken());
msg = jObjectData.toString();
if(lastMsg != null && lastMsg.getString("time").equals(jObjectData.getString("time"))) {
Log.i(TAG, "Skip duplicate");
return;
}
lastMsg = jObjectData;
sendResult(jObjectData.toString());
} catch (JSONException e) {
e.printStackTrace();
}
}
});
}
public void updateNotification(String msg) {
builder.setContentText(msg);
notificationManager.notify(NOTIFICATION_ID, builder.build());
}
String token = null;
/**
* Get the token for use with the syncing.
* @return
*/
public String getToken() {
if(token != null) {
return token;
}
String json = null;
try {
InputStream is = getAssets().open("token.json");
int size = is.available();
byte[] buffer = new byte[size];
is.read(buffer);
is.close();
json = new String(buffer, "UTF-8");
} catch (IOException ex) {
ex.printStackTrace();
return null;
}
try {
Log.d(TAG, "JSON: "+ json);
JSONObject jsonObject = new JSONObject(json);
token = jsonObject.getString("token");
} catch (JSONException e) {
e.printStackTrace();
return null;
}
return token;
}
private void sendResult(final String m) {
Log.d(TAG, "Send: " + m);
Future<WebSocket> fws = AsyncHttpClient.getDefaultInstance().websocket("ws://heartbeat.rubenvandeven.com:8888/ws", "my-protocol", new AsyncHttpClient.WebSocketConnectCallback() {
@Override
public void onCompleted(Exception ex, final WebSocket webSocket) {
if (ex != null) {
ex.printStackTrace();
// TODO: store for later sync
return;
}
webSocket.send(m);
Intent intent = new Intent(BROADCAST_SOCKET_SENT);
intent.putExtra("msg", m);
sendBroadcast(intent);
webSocket.close();
}
});
}
private void showNotification(String msg) {
final String m = msg;
Handler handler = new Handler(Looper.getMainLooper());
handler.post(new Runnable() {
@Override
public void run() {
Toast.makeText(HeartRateService.this.getApplicationContext(),m,Toast.LENGTH_SHORT).show();
}
});
}
protected void startLifelineTimer() {
lifelineTimer = new Timer();
lifelineTimer.scheduleAtFixedRate(new TimerTask(){
@Override
public void run(){
Log.d(TAG, "A Kiss every 10 seconds");
if(DeviceState.TRACKING.equals(currentDeviceState)) {
Log.i(TAG, "Alive and kicking!");
return;
}
Log.w(TAG, "Device status different... ");
String val;
if(currentDeviceState == null) {
val = "null";
} else {
val = String.valueOf(currentDeviceState.getIntValue());
}
Log.w(TAG, "Device status: '"+ val +"'");
// something is off: warn & attempt restart
Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
v.vibrate(VibrationEffect.createOneShot(1000, VibrationEffect.DEFAULT_AMPLITUDE));
} else {
//deprecated in API 26
v.vibrate(1000);
}
restart();
}
},20000,10000);
}
/**
* wait to reconnect to dead HR-monitor
*/
protected void waitAndReconnect() {
Log.d(TAG, "Wait & reconnect");
if(hrPcc != null) {
hrPcc.subscribeHeartRateDataEvent(null);
}
// triggers: "sending message to a handler on a dead thread"
// new android.os.Handler().postDelayed(
// new Runnable() {
// public void run() {
// Log.i(TAG, "Attempt reconnect");
requestAccessToPcc();
// }
// },
// 20000); // 20 sec delay for connection
}
protected void restart(){
restartService = true;
stopSelf();
}
/**
* Requests the ANT+ device
*/
protected void requestAccessToPcc()
{
// if(hrPcc != null) {
// hrPcc.subscribeHeartRateDataEvent(null);
// }
Log.d(TAG, "Request Access To PCC");
sendBroadcast( new Intent(BROADCAST_MONITOR_CONNECT_ATTEMPT) );
releaseHandle = AntPlusHeartRatePcc.requestAccess(this, 4818, 0, resultReceiver, stateChangeReceiver);
}
@Override
public IBinder onBind(Intent intent) {
// TODO: Return the communication channel to the service.
throw new UnsupportedOperationException("Not yet implemented");
}
@Override
public void onDestroy() {
Log.i(TAG, "Stop service");
stopForeground(true);
lifelineTimer.cancel();
if(releaseHandle != null)
{
releaseHandle.close();
}
setRunning(false);
super.onDestroy();
if(restartService ) {
startService(new Intent(this, HeartRateService.class));
}
}
public static boolean isRunning() {
return isRunning;
}
}