About ac_devel

The app in question is an app we developed for company purposes, and our lead developer has gone on maternity leave. The issue being with the most recent changes to Fitbit accounts the development account was paired to their personal email and we are hoping to transfer it to a company managed GMail account so the other devs do not need to have access to this accounts GMail. Appreciate any help that we can get, we would prefer not to need to republish the app and have all the Fitbits reinstall the app. ... View more

I have a an app that needs to : - read accelerometer data at 50Hz. - aggregate 1minute of these readings - verify if the sum of the standard deviations of x,y,and z is larger than a threshold.      - if yes, write the aggregated data into a file     - if not, empty the buffer and repeat.  The app runs normally during the day when I test it. It runs for hours no issues. However, when I use it at night time, I noticed the app would last at most a couple of hours then it crashes.  Here are pieces of code I use, in hopes that someone can help me understand the issue.  This piece reads the accelerometer, aggregates the sum of standard deviations and the ts,x,y,z values.    startAccel() { this.dataBufferView[this.bufferIndex++] = Int16Array.from(Date.now() - this.fitbitData.sessionDate) //console.log("I am startAccel") this.accelerometer.addEventListener("reading", () => { this.ss = scientific.std(this.accelerometer.readings.x) + scientific.std(this.accelerometer.readings.y) + scientific.std(this.accelerometer.readings.z); this.accelCumm.push(this.ss); fileTimestamp = prevTimestamp = this.accelerometer.readings.timestamp[0] const batchSize = this.accelerometer.readings.timestamp.lengthf // let bufferIndex = 0, timestamp //console.log(`ss=${this.ss}`) //console.log(`timestamp[]=${accel.readings.timestamp}`) for (let index = 0; index < batchSize; index++) { //console.log(`${accel.readings.timestamp[index]} ${accel.readings.x[index]}}`) // timestamp = this.accelerometer.readings.timestamp[index] // this.dataBufferView[bufferIndex++] = timestamp - prevTimestamp // store differential timestamps so they fit in Int16 // prevTimestamp = timestamp this.dataBufferView[this.bufferIndex++] = this.accelerometer.readings.x[index] * ACCEL_SCALAR this.dataBufferView[this.bufferIndex++] = this.accelerometer.readings.y[index] * ACCEL_SCALAR this.dataBufferView[this.bufferIndex++] = this.accelerometer.readings.z[index] * ACCEL_SCALAR } }); this.accelerometer.start(); }   This here is where I verify the max of the standard deviations and if it is higher than a threshold.    sendAccelInfo = () => { fs.writeSync(this.file, this.dataBufferView); // fs.closeSync(this.file); let stats = fs.statSync('pippo.bin'); //vibration.start("ping"); displayText.text = `Size: ${stats.size} B`; } get_accelerometer = () => { let maxActivity = 0; for (let i = 0; i < this.accelCumm.length; i++) { if (this.accelCumm[i] > maxActivity) { maxActivity = this.accelCumm[i] } } if (maxActivity >= this.maxIntesityThreshold) { console.log(`Max=${maxActivity} is found..break`); this.sendAccelInfo() this.bufferIndex = 0; this.accelCumm = []; } if (this.stopAccel) { clearInterval(this.tid2); fs.closeSync(this.file); } }   - the get_accelerometer function is called in a setInterval every 60 seconds.   - the binary file is open at the beginning of the app and closed when the app is closed in the morning. It is opened as    this.file = fs.openSync('pippo.bin', "w")   In my first testings, I thought the app would simply run out of memory since it has to keep 18kb of data for every minute but I tried running the app during the day for hours and it did not crash. Also if I understood correctly, there is a 4MB usable memory. Unfortunately I am not very proficient with JS and I ran out of ideas on where I am getting it wrong. What also puzzles me is why does the app crashes at night when I go to sleep? Is it because of sleep monitoring running while also my app is running and thus my app, consuming a lot of memory is getting killed to give way to sleep monitoring?  my idea is to open and close the app everytime with append instead of opening it once and leaving it there.   Please let me know if you have any suggestions of what I might have been missing.  ... View more

I have an app which runs fine normally however, there are instances where it would crash and the crash seems to damage a file that is created and saved during the run before the crash. The app saves a json file every 5 minutes. I did this so that I can try and save the data to my server.    I cannot identify the cause of the crash itself because it seems to be random and it does not happen to all users so while I'm in this process I'm saving files every 5 minutes as mentioned before.    What baffles is me is why the saved data seems to be empty and I cannot send it to my server anymore.  Is there a possible reason why this happens?  In addition, is there a way to catch the app before it closes after a crash and save/send data to companion app?    Thanks. in advance ... View more

Hello all!  I am downloading vitals data like HR and HRV for some users I manage.  I noticed that some of them have missing HR variability information. More precisely, the response from the API request is <200 A successful request> but the hrv data is empty.  Is there any explanation why they have HR information but not HRV?   Thank you in advance! ... View more

I am downloading data using the API and I am focused on getting HR and HRV.  I just wanted to make sure that dates and times are in the local time zone of the user. Is this true?  Thanks in advance! ... View more

I have an app and it basically runs through the night.  Before, I would only access the the accelerometer data but I added a feature so that I can have a continuous reading of the HR.  Here is the main piece of code. I am hoping that maybe a pair of eyes more can help me figure why my app crashes after adding the HR reader (it gets the HR values every 30 seconds).  import { Accelerometer } from "accelerometer"; import { HeartRateSensor } from "heart-rate"; import { vibration } from "haptics"; import sleep from "sleep"; import * as scientific from "scientific"; import { today } from "user-activity"; import { me as appbit } from "appbit"; import * as document from "document"; import * as fs from "fs"; appbit.appTimeoutEnabled = false; const bEndSession = document.getElementById("bEndSession"); const bAActive = document.getElementById("bAActive"); const bASleepy = document.getElementById("bASleepy"); const displayText = document.getElementById("textBox"); const timeBox = document.getElementById("timeBox"); var _today = new Date(); var _time = _today.getHours() + ":" + _today.getMinutes() + ":" + _today.getSeconds(); export class Kobe { constructor(kobeId) { console.log("Constructor"); this.accelerometer = new Accelerometer({ frequency: 10, batch: 10 }); this.hrm = new HeartRateSensor(); this.ss = 0; this.kk = 0; this.tid = 0; this.noResCount = 0; this.maxNoResponse = 9; this.movementFound = false; this.noMovementStDev = 0; this.movementStDev = 0 this.startTime = new Date().getTime(); this.maxTime = 30; //30minutes this.fallingAsleep = 0; this.fitbitData = {}; this.userInfo = {}; // this.currentSteps = today.adjusted.steps; this.bedActive = true; this.probeOn = true; this.awake = false; this.exiting = false; this.stepsArr = [] //bedSleepy = false; this.startAccel(); displayText.text = `Probe ON: ${this.maxTime} mins.` _today = new Date(); _time = _today.getHours() + ":" + _today.getMinutes(); timeBox.text = _time; } //data setFitbitData = (kobeId) => { //console.log("I am setFitbitData") var _date = new Date(); this.fitbitData = { uid: `${kobeId.deviceId}_${kobeId.userType}${kobeId.userId}`, sessionDate: Date.now(), //ts in UTC awakeTime: 0, sleepData: [], hrData: [], userMeta: { withPpets: false, withPartner: false, withFans: false, tzOffset: _date.getTimezoneOffset(), deviceId: kobeId.deviceId, esId: `${kobeId.userType}${kobeId.userId}` }, userSteps: [], sleepStarts: [], kobeRecall: [], badSession: false } } //startAccel(); //} startAccel() { //console.log("I am startAccel") this.accelerometer.addEventListener("reading", () => { this.ss = scientific.std(this.accelerometer.readings.x) + scientific.std(this.accelerometer.readings.y) + scientific.std(this.accelerometer.readings.z); console.log(`ss: ${this.ss}`); }); this.accelerometer.start(); if (HeartRateSensor) { console.log("This device has a HeartRateSensor!"); //const hrm = new HeartRateSensor(); this.hrm.addEventListener("reading", () => { console.log(`Current heart rate: ${this.hrm.heartRate}`); }); this.hrm.start(); } else { console.log("This device does NOT have a HeartRateSensor!"); } } checkForMovement = () => { var ss1 = scientific.std(this.accelerometer.readings.x) + scientific.std(this.accelerometer.readings.y) + scientific.std(this.accelerometer.readings.z); console.log(`checkForMovement ${this.kk} ${this.ss} ${this.ss1}`); // disc1.crossCountT(); if (this.ss > 5.0) { this.noResCount = 0; this.fallingAsleep = 0; this.movementStDev = ss; console.log(`movement detected ${kk} ${ss}`); } else { this.noResCount++; if (this.noResCount > 0 && this.noResCount <= 3) { this.fallingAsleep = Date.now(); } console.log(`movement nope ${this.kk} ${this.ss}`); this.noMovementStDev = this.ss; } console.log(`noResCount: ${this.noResCount}`); //console.log(inWakeWindow); this.movementFound = (this.noResCount < 3) ? true : false; this.userInfo = { //action: inWakeWindow ? 'Awake Nudge' : 'Buzzed', action: 'Buzzed', timeStamp: Date.now(), movement: this.movementFound, stDev: this.movementFound ? this.movementStDev : this.noMovementStDev, userState: sleep.state, awakeActive: this.bedActive, awakeSleepy: !this.bedActive } } sendUserInfo = () => { // userData.push(userInfo) this.fitbitData.sleepData.push(this.userInfo); console.log(`User info: ${JSON.stringify(this.fitbitData, null, 4)}`); //console.log(util.inspect(myObject, false, null, true /* enable colors */)) var fileName = `${this.fitbitData.sessionDate}`; fs.writeFileSync(`${fileName}.json`, this.fitBitData, "json"); //transferFile(fileName); } pingUser = () => { console.log('Vibrating'); vibration.start("nudge"); //vibration.start("nudge-max"); this.kk++; setTimeout(this.checkForMovement, 2 * 1000); setTimeout(this.checkForMovement, 3 * 1000); setTimeout(this.checkForMovement, 4 * 1000); setTimeout(this.sendUserInfo, 4 * 1000) // console.log("hi! im here dear!"); } clear = () => { if (this.noResCount >= this.maxNoResponse) { clearInterval(this.tid); console.log("Probe should be off!!") //accel.stop(); // exit from this.probeOn = false; //bEndSession.text = `End Session` displayText.text = 'Probe OFF' displayText.style.fill = "fb-red" bAActive.text = 'Awake in bed'; bAActive.style.fill = "#FFA07A"; bASleepy.text = 'Going to sleep' bASleepy.style.fill = "#FFA07A"; const exitMessage = { action: 'Normal Exit', timeStamp: Date.now(), movement: this.movementFound, stDev: this.movementFound ? this.movementStDev : this.noMovementStDev, userState: sleep.state, awakeActive: this.bedActive, awakeSleepy: !this.bedActive } this.fitbitData.sleepStarts.push(this.fallingAsleep); this.fitbitData.sleepData.push(exitMessage); this.noResCount = 0; } if (this.awake) { //accel.start(); this.awake = false; this.fitbitData.kobeRecall.push(Date.now()); clearInterval(this.tid); this.tid = setInterval(this.pingUser, 5 * 60 * 1000); //bEndSession.text = `End Session` displayText.text = 'Probe ON' } if (this.exiting) { //console.log('Clear - exiting'); clearInterval(this.tid); this.fitbitData.awakeTime = Date.now(); // var _date = new Date(); this.fitbitData.userSteps.push(this.stepsArr); } //console.log(`kk ${this.kk} ${this.tid}`); } stepCounter = () => { var prevSteps = this.currentSteps; var stepsTs = Date.now(); this.currentSteps = today.adjusted.steps; var stepsDiff = this.currentSteps - prevSteps; if (stepsDiff > 0 && stepsDiff != null) { console.log(stepsDiff); // this.stepsArr.push({ // time: stepsTs, // values: stepsDiff, // }); this.fitbitData.userSteps.push({ time: stepsTs, values: stepsDiff, }) } else if (stepsDiff < 0 && stepsDiff != null) { // this.stepsArr.push({ // time: stepsTs, // values: this.currentSteps, // }) this.fitbitData.userSteps.push({ time: stepsTs, values: this.currentSteps }) prevSteps = this.currentSteps; } else { console.log("No movement"); } // TIMER if (this.maxTime <= 0 && this.probeOn) { displayText.text = `Probe ON: Ok to sleep`; } else if (this.maxTime <= 0 && !this.probeOn) { displayText.text = `Probe OFF`; } else if (this.maxTime > 0 && !this.probeOn) { displayText.text = `Probe OFF`; }else { this.maxTime--; displayText.text = `Probe ON: ${this.maxTime} mins.` } // if (new Date().getTime() - this.startTime >= 30 * 60 * 1000) { // displayText.text = `Probe ON: Go sleep`; // } else { // displayText.text = `Probe ON: ${this.maxTime} mins.` // } // this.maxTime--; _today = new Date(); _time = _today.getHours() + ":" + _today.getMinutes(); timeBox.text = _time; } writeHr = () => { console.log(`HR iss ${this.hrm.heartRate}`); this.fitbitData.hrData.push({ value: this.hrm.heartRate, timeStamp: Date.now() }) } firstPing = () => { console.log('Vibrating'); vibration.start("ping"); const mex = { action: 'First push', timeStamp: Date.now(), movement: true, stDev: this.movementFound ? this.movementStDev : this.noMovementStDev, userState: sleep.state, awakeActive: this.bedActive, awakeSleepy: !this.bedActive } // userData.push(mex) this.fitbitData.sleepData.push(mex) // console.log(`User info: ${JSON.stringify(fitBitData)}`) } activeProbe = () => { console.log("This is active Probe"); this.probeOn = true; bEndSession.text = `End Session` this.firstPing() this.tid = setInterval(this.pingUser, 5 * 60 * 1000) setInterval(this.clear, 2 * 1000) setInterval(this.writeHr, 30 * 1000); setInterval(this.stepCounter, 1 * 60 * 1000); } }   ... 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I have an app that sends a file to companion app which then eventually sends the data to my server. However I started to notice that sometimes data does not appear from some users.  Currently, I have my users keep the Fitbit app open in the background and in the morning, they also sync the watch with the phone. I do this all the time and my data goes through.  Here is the code snippet I use with my apps: Watch:  function transferFile(filename){ outbox .enqueueFile(`${filename}.json`) .then((ft) => { console.log(`Transfer of ${ft.name} successfully queued.`); }) .catch((error) => { console.log(`Failed to schedule transfer: ${error}`); }) }   Companion: async function processAllFiles() { var transferred = false; while ((file = await inbox.pop())) { try{ payload = await file.json(); filename = payload.sessionDate; sendData(); } catch(error){ console.log(error) } } } function sendData(){ // files will be saved as Dxx_Byyy/sessionDate.json fetch(`urladdress${payload.uid}/${filename}.json`, { method: 'POST', // or 'PUT' headers: { 'Authorization': 'authcode', //'Content-Type': 'application/json', }, body: JSON.stringify(payload), }) .then(response => response.text()) .then(data => { console.log('Success:', data); sent = true; }) .catch((error) => { console.error('Error:', error); sent = false; }); }   Is this problem related to the code , phone or user related? How can I make sure the data gets sent? Right now I'm testing a button to send the data but I wish I don't have to use it thanks in advance! ... View more