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implement SpO2 and Heart Rate readings
1 parent 5f87005 commit b4f36a1

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-12
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‎.idea/gradle.xml‎

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‎.idea/vcs.xml‎

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‎app/build.gradle‎

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@@ -28,11 +28,19 @@ android {
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}
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dependencies {
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// Samsung SDK
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implementation fileTree(dir: 'libs', include: '*.aar')
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// Standards
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implementation 'androidx.core:core-ktx:1.7.0'
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implementation 'com.google.android.gms:play-services-wearable:18.0.0'
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implementation 'androidx.percentlayout:percentlayout:1.0.0'
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implementation 'androidx.legacy:legacy-support-v4:1.0.0'
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implementation 'androidx.recyclerview:recyclerview:1.2.1'
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// Wear
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implementation 'androidx.wear:wear:1.2.0'
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implementation 'androidx.wear:wear-input:1.1.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
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implementation 'com.google.android.material:material:1.7.0'
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}

‎app/src/main/AndroidManifest.xml‎

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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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<uses-permission android:name="android.permission.WAKE_LOCK" />
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<uses-permission android:name="android.permission.BODY_SENSORS"/>
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<uses-permission android:name="android.permission.INTERNET"/>
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<uses-feature android:name="android.hardware.type.watch" />
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:supportsRtl="true"
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android:theme="@android:style/Theme.DeviceDefault">
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android:theme="@style/Theme.MainTheme">
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<uses-library
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android:name="com.google.android.wearable"
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android:required="true" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity android:name=".MonitoringActivity" />
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</application>
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</manifest>

‎app/src/main/java/com/example/isowatch/BaseListener.kt‎

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package com.example.isowatch
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import android.os.Handler
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import android.util.Log
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import com.samsung.android.service.health.tracking.HealthTracker
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import com.samsung.android.service.health.tracking.HealthTracker.TrackerEventListener
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public open class BaseListener {
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private val tag = "BaseListener"
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private lateinit var handler: Handler
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private lateinit var healthTracker: HealthTracker
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private var isHandlerRunning = false
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private lateinit var trackerEventListener: TrackerEventListener
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public fun setHealthTracker(tracker: HealthTracker) {
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healthTracker = tracker
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}
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public fun setHandler(handler: Handler) {
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this.handler = handler
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}
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public fun setHandlerRunning(handlerRunning: Boolean) {
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isHandlerRunning = handlerRunning
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}
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public fun setTrackerEventListener(tracker: TrackerEventListener) {
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trackerEventListener = tracker
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}
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public fun startTracker() {
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Log.i(tag, "startTracker called ")
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Log.d(tag, "healthTracker: $healthTracker")
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Log.d(tag, "trackerEventListener: $trackerEventListener")
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if (!isHandlerRunning) {
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handler.post {
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healthTracker.setEventListener(trackerEventListener)
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setHandlerRunning(true)
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}
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}
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}
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public fun stopTracker() {
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Log.i(tag, "stopTracker called ")
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Log.d(tag, "healthTracker: $healthTracker")
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Log.d(tag, "trackerEventListener: $trackerEventListener")
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if (isHandlerRunning) {
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healthTracker.unsetEventListener()
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setHandlerRunning(false)
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handler.removeCallbacksAndMessages(null)
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}
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}
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}

‎app/src/main/java/com/example/isowatch/ConnectionManager.kt‎

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package com.example.isowatch
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import android.content.Context
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import android.os.Handler
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import android.os.Looper
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import android.util.Log
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import com.samsung.android.service.health.tracking.ConnectionListener
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import com.samsung.android.service.health.tracking.HealthTrackerException
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import com.samsung.android.service.health.tracking.HealthTrackingService
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import com.samsung.android.service.health.tracking.data.HealthTrackerType
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class ConnectionManager(observer: ConnectionObserver) {
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private val tag = "Connection Manager"
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private var connectionObserver: ConnectionObserver = observer
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private lateinit var healthTrackingService: HealthTrackingService
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private val connectionListener: ConnectionListener = object : ConnectionListener {
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override fun onConnectionSuccess() {
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Log.i(tag, "Connected")
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connectionObserver!!.onConnectionResult(R.string.ConnectedToHs)
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if (!isSpO2Available(healthTrackingService)) {
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Log.i(tag, "Device does not support SpO2 tracking")
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connectionObserver.onConnectionResult(R.string.NoSpo2Support)
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}
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if (!isHeartRateAvailable(healthTrackingService)) {
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Log.i(tag, "Device does not support Heart Rate tracking")
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connectionObserver.onConnectionResult(R.string.NoHrSupport)
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}
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}
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override fun onConnectionEnded() {
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Log.i(tag, "Disconnected")
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}
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override fun onConnectionFailed(e: HealthTrackerException) {
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connectionObserver!!.onError(e)
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}
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}
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fun connect(context: Context?) {
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healthTrackingService = HealthTrackingService(connectionListener, context)
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healthTrackingService!!.connectService()
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}
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fun disconnect() {
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healthTrackingService?.disconnectService()
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}
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fun initSpO2(spO2Listener: SpO2Listener) {
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val healthTracker = healthTrackingService.getHealthTracker(HealthTrackerType.SPO2)
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spO2Listener.setHealthTracker(healthTracker)
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setHandlerForBaseListener(spO2Listener)
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}
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fun initHeartRate(heartRateListener: HeartRateListener) {
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val healthTracker = healthTrackingService.getHealthTracker(HealthTrackerType.HEART_RATE)
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heartRateListener.setHealthTracker(healthTracker)
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setHandlerForBaseListener(heartRateListener)
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}
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private fun setHandlerForBaseListener(baseListener: BaseListener) {
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baseListener.setHandler(Handler(Looper.getMainLooper()))
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}
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private fun isSpO2Available(healthTrackingService: HealthTrackingService): Boolean {
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val availableTrackers = healthTrackingService.trackingCapability.supportHealthTrackerTypes
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return availableTrackers.contains(HealthTrackerType.SPO2)
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}
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private fun isHeartRateAvailable(healthTrackingService: HealthTrackingService): Boolean {
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val availableTrackers = healthTrackingService.trackingCapability.supportHealthTrackerTypes
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return availableTrackers.contains(HealthTrackerType.HEART_RATE)
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}
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}

‎app/src/main/java/com/example/isowatch/ConnectionObserver.kt‎

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package com.example.isowatch
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import com.samsung.android.service.health.tracking.HealthTrackerException
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public interface ConnectionObserver {
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abstract fun onConnectionResult(stringResourceId: Int)
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abstract fun onError(e: HealthTrackerException?)
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}

‎app/src/main/java/com/example/isowatch/HeartRateData.kt‎

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package com.example.isowatch
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class HeartRateData {
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var status = HeartRateStatus.HR_STATUS_NONE
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var hr = 0
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internal constructor() {}
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internal constructor(status: Int, hr: Int) {
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this.status = status
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this.hr = hr
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}
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}

‎app/src/main/java/com/example/isowatch/HeartRateListener.kt‎

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package com.example.isowatch
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import android.util.Log
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import com.samsung.android.service.health.tracking.HealthTracker.TrackerError
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import com.samsung.android.service.health.tracking.HealthTracker.TrackerEventListener
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import com.samsung.android.service.health.tracking.data.DataPoint
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import com.samsung.android.service.health.tracking.data.ValueKey
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class HeartRateListener internal constructor() : BaseListener() {
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private val tag = "Heart Rate Listener"
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init {
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val trackerEventListener: TrackerEventListener = object : TrackerEventListener {
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override fun onDataReceived(list: List<DataPoint>) {
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for (dataPoint in list) {
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readValuesFromDataPoint(dataPoint)
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}
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}
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override fun onFlushCompleted() {
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Log.i(tag, " onFlushCompleted called")
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}
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override fun onError(trackerError: TrackerError) {
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Log.e(tag, " onError called: $trackerError")
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setHandlerRunning(false)
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if (trackerError == TrackerError.PERMISSION_ERROR) {
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TrackerDataNotifier.instance?.notifyError(R.string.NoPermission)
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}
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if (trackerError == TrackerError.SDK_POLICY_ERROR) {
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TrackerDataNotifier.instance?.notifyError(R.string.SdkPolicyError)
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}
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}
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}
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setTrackerEventListener(trackerEventListener)
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}
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fun readValuesFromDataPoint(dataPoint: DataPoint) {
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val hrData = HeartRateData()
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hrData.status = dataPoint.getValue(ValueKey.HeartRateSet.STATUS)
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hrData.hr = dataPoint.getValue(ValueKey.HeartRateSet.HEART_RATE)
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TrackerDataNotifier.instance?.notifyHeartRateTrackerObservers(hrData)
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Log.d(tag, dataPoint.toString())
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}
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}

‎app/src/main/java/com/example/isowatch/HeartRateStatus.kt‎

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package com.example.isowatch
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object HeartRateStatus {
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const val HR_STATUS_NONE = 0
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const val HR_STATUS_FIND_HR = 1
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const val HR_STATUS_ATTACHED = -1
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const val HR_STATUS_DETECT_MOVE = -2
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const val HR_STATUS_DETACHED = -3
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const val HR_STATUS_LOW_RELIABILITY = -8
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const val HR_STATUS_VERY_LOW_RELIABILITY = -10
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const val HR_STATUS_NO_DATA_FLUSH = -99
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}

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