Fix HRS profile

profile_hrs/src/main/java/no/nordicsemi/android/hrs/data/HRSServiceData.kt

@@ -38,7 +38,9 @@ internal data class HRSServiceData(
     val data: List<HRSData> = emptyList(),
     val bodySensorLocation: Int? = null,
     val batteryLevel: Int? = null,
-    val connectionState: GattConnectionState? = null
+    val connectionState: GattConnectionState? = null,
+    val zoomIn: Boolean = false,
+    val deviceName: String? = null
 ) {
     val heartRates = data.map { it.heartRate }
 }

profile_hrs/src/main/java/no/nordicsemi/android/hrs/service/HRSRepository.kt

@@ -68,6 +68,14 @@ class HRSRepository @Inject constructor(
         serviceManager.startService(HRSService::class.java, device)
     }
 
+    fun onInitComplete(device: ServerDevice) {
+        _data.value = _data.value.copy(deviceName = device.name)
+    }
+
+    fun switchZoomIn() {
+        _data.value = _data.value.copy(zoomIn = !_data.value.zoomIn)
+    }
+
     fun onConnectionStateChanged(connectionState: GattConnectionState?) {
         _data.value = _data.value.copy(connectionState = connectionState)
     }

profile_hrs/src/main/java/no/nordicsemi/android/hrs/service/HRSService.kt

@@ -93,11 +93,11 @@ internal class HRSService : NotificationService() {
 
         client.services
             .filterNotNull()
-            .onEach { configureGatt(it) }
+            .onEach { configureGatt(it, device) }
             .launchIn(lifecycleScope)
     }
 
-    private suspend fun configureGatt(services: BleGattServices) {
+    private suspend fun configureGatt(services: BleGattServices, device: ServerDevice) {
         val htsService = services.findService(HRS_SERVICE_UUID)!!
         val htsMeasurementCharacteristic = htsService.findCharacteristic(HEART_RATE_MEASUREMENT_CHARACTERISTIC_UUID)!!
         val bodySensorLocationCharacteristic = htsService.findCharacteristic(BODY_SENSOR_LOCATION_CHARACTERISTIC_UUID)!!
@@ -116,6 +116,8 @@ internal class HRSService : NotificationService() {
             .mapNotNull { HRSDataParser.parse(it) }
             .onEach { repository.onHRSDataChanged(it) }
             .launchIn(lifecycleScope)
+
+        repository.onInitComplete(device)
     }
 
     private fun stopIfDisconnected(connectionState: GattConnectionState) {

profile_hrs/src/main/java/no/nordicsemi/android/hrs/view/HRSContentView.kt

@@ -52,7 +52,7 @@ import no.nordicsemi.android.ui.view.ScreenSection
 import no.nordicsemi.android.ui.view.SectionTitle
 
 @Composable
-internal fun HRSContentView(state: HRSServiceData, zoomIn: Boolean, onEvent: (HRSScreenViewEvent) -> Unit) {
+internal fun HRSContentView(state: HRSServiceData, onEvent: (HRSScreenViewEvent) -> Unit) {
     Column(
         horizontalAlignment = Alignment.CenterHorizontally
     ) {
@@ -61,12 +61,12 @@ internal fun HRSContentView(state: HRSServiceData, zoomIn: Boolean, onEvent: (HR
             SectionTitle(
                 resId = R.drawable.ic_chart_line,
                 title = stringResource(id = R.string.hrs_section_data),
-                menu = { Menu(zoomIn, onEvent) }
+                menu = { Menu(state.zoomIn, onEvent) }
             )
 
             Spacer(modifier = Modifier.height(16.dp))
 
-            LineChartView(state, zoomIn)
+            LineChartView(state, state.zoomIn)
         }
 
         Spacer(modifier = Modifier.height(16.dp))
@@ -102,5 +102,5 @@ private fun Menu(zoomIn: Boolean, onEvent: (HRSScreenViewEvent) -> Unit) {
 @Preview
 @Composable
 private fun Preview() {
-    HRSContentView(state = HRSServiceData(), zoomIn = false) { }
+    HRSContentView(state = HRSServiceData()) { }
 }

profile_hrs/src/main/java/no/nordicsemi/android/hrs/view/HRSScreen.kt

@@ -47,6 +47,7 @@ import no.nordicsemi.android.common.ui.scanner.view.DeviceConnectingView
 import no.nordicsemi.android.common.ui.scanner.view.DeviceDisconnectedView
 import no.nordicsemi.android.common.ui.scanner.view.Reason
 import no.nordicsemi.android.hrs.R
+import no.nordicsemi.android.hrs.data.HRSServiceData
 import no.nordicsemi.android.hrs.viewmodel.HRSViewModel
 import no.nordicsemi.android.kotlin.ble.core.data.GattConnectionState
 import no.nordicsemi.android.ui.view.BackIconAppBar
@@ -70,14 +71,15 @@ fun HRSScreen() {
                 .padding(16.dp)
                 .verticalScroll(rememberScrollState())
         ) {
-            when (state.hrsManagerState) {
+            if (state.deviceName == null) {
-                NoDeviceState -> DeviceConnectingView()
+                DeviceConnectingView()
-                is WorkingState -> when (state.hrsManagerState.result.connectionState) {
+            } else {
+                when (state.connectionState) {
                     null,
                     GattConnectionState.STATE_CONNECTING -> DeviceConnectingView { NavigateUpButton(navigateUp) }
                     GattConnectionState.STATE_DISCONNECTED,
                     GattConnectionState.STATE_DISCONNECTING -> DeviceDisconnectedView(Reason.UNKNOWN) { NavigateUpButton(navigateUp) }
-                    GattConnectionState.STATE_CONNECTED -> HRSContentView(state.hrsManagerState.result, state.zoomIn) { viewModel.onEvent(it) }
+                    GattConnectionState.STATE_CONNECTED -> HRSContentView(state) { viewModel.onEvent(it) }
                 }
             }
         }
@@ -85,7 +87,7 @@ fun HRSScreen() {
 }
 
 @Composable
-private fun AppBar(state: HRSViewState, navigateUp: () -> Unit, viewModel: HRSViewModel) {
+private fun AppBar(state: HRSServiceData, navigateUp: () -> Unit, viewModel: HRSViewModel) {
     if (state.deviceName?.isNotBlank() == true) {
         LoggerIconAppBar(state.deviceName, navigateUp, { viewModel.onEvent(DisconnectEvent) }) {
             viewModel.onEvent(OpenLoggerEvent)

profile_hrs/src/main/java/no/nordicsemi/android/hrs/view/HRSState.kt

@@ -1,46 +0,0 @@
-/*
- * Copyright (c) 2022, Nordic Semiconductor
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- * conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- * of conditions and the following disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors may be
- * used to endorse or promote products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package no.nordicsemi.android.hrs.view
-
-import no.nordicsemi.android.hrs.data.HRSServiceData
-
-internal data class HRSViewState(
-    val zoomIn: Boolean = false,
-    val hrsManagerState: HRSManagerState = NoDeviceState,
-    val deviceName: String? = null
-)
-
-internal sealed class HRSManagerState
-
-internal data class WorkingState(val result: HRSServiceData) : HRSManagerState()
-
-internal object NoDeviceState : HRSManagerState()

profile_hrs/src/main/java/no/nordicsemi/android/hrs/viewmodel/HRSViewModel.kt

@@ -35,8 +35,6 @@ import android.os.ParcelUuid
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
@@ -50,11 +48,9 @@ import no.nordicsemi.android.hrs.service.HRSRepository
 import no.nordicsemi.android.hrs.service.HRS_SERVICE_UUID
 import no.nordicsemi.android.hrs.view.DisconnectEvent
 import no.nordicsemi.android.hrs.view.HRSScreenViewEvent
-import no.nordicsemi.android.hrs.view.HRSViewState
 import no.nordicsemi.android.hrs.view.NavigateUpEvent
 import no.nordicsemi.android.hrs.view.OpenLoggerEvent
 import no.nordicsemi.android.hrs.view.SwitchZoomEvent
-import no.nordicsemi.android.hrs.view.WorkingState
 import no.nordicsemi.android.kotlin.ble.core.ServerDevice
 import no.nordicsemi.android.kotlin.ble.core.data.GattConnectionState
 import no.nordicsemi.android.toolbox.scanner.ScannerDestinationId
@@ -67,8 +63,7 @@ internal class HRSViewModel @Inject constructor(
     private val analytics: AppAnalytics
 ) : ViewModel() {
 
-    private val _state = MutableStateFlow(HRSViewState())
+    val state = repository.data
-    val state = _state.asStateFlow()
 
     init {
         viewModelScope.launch {
@@ -78,8 +73,6 @@ internal class HRSViewModel @Inject constructor(
         }
 
         repository.data.onEach {
-            _state.value = _state.value.copy(hrsManagerState = WorkingState(it))
-
             if (it.connectionState == GattConnectionState.STATE_CONNECTED) {
                 analytics.logEvent(ProfileConnectedEvent(Profile.HRS))
             }
@@ -102,7 +95,6 @@ internal class HRSViewModel @Inject constructor(
     }
 
     private fun onDeviceSelected(device: ServerDevice) {
-        _state.value = _state.value.copy(deviceName = device.name)
         repository.launch(device)
     }
 
@@ -116,7 +108,7 @@ internal class HRSViewModel @Inject constructor(
     }
 
     private fun onZoomButtonClicked() {
-        _state.value = _state.value.copy(zoomIn = !_state.value.zoomIn)
+        repository.switchZoomIn()
     }
 
     private fun disconnect() {