Apply fixes to Toolbox

lib_service/src/main/java/no/nordicsemi/android/service/BleManagerStatus.kt

@@ -0,0 +1,5 @@
+package no.nordicsemi.android.service
+
+enum class BleManagerStatus {
+    CONNECTING, OK, DISCONNECTED
+}

lib_service/src/main/java/no/nordicsemi/android/service/BleProfileService.kt

@@ -21,22 +21,34 @@
  */
 package no.nordicsemi.android.service
 
+import android.app.Service
 import android.bluetooth.BluetoothDevice
 import android.content.Intent
 import android.os.Handler
+import android.os.IBinder
+import android.util.Log
 import android.widget.Toast
 import androidx.lifecycle.LifecycleService
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
 import no.nordicsemi.android.ble.BleManager
 import no.nordicsemi.android.log.ILogSession
 import no.nordicsemi.android.log.Logger
 import javax.inject.Inject
 
 @AndroidEntryPoint
-abstract class BleProfileService : LifecycleService() {
+abstract class BleProfileService : Service() {
+
+    protected val scope = CloseableCoroutineScope(SupervisorJob() + Dispatchers.Main.immediate)
 
     protected abstract val manager: BleManager
 
+    private val _status = MutableStateFlow(BleManagerStatus.CONNECTING)
+    val status = _status.asStateFlow()
+
     @Inject
     lateinit var bluetoothDeviceHolder: SelectedBluetoothDeviceHolder
 
@@ -71,6 +83,23 @@ abstract class BleProfileService : LifecycleService() {
     override fun onCreate() {
         super.onCreate()
         handler = Handler()
+
+        manager.setConnectionObserver(object : ConnectionObserverAdapter() {
+            override fun onDeviceConnected(device: BluetoothDevice) {
+                super.onDeviceConnected(device)
+                _status.value = BleManagerStatus.OK
+            }
+
+            override fun onDeviceDisconnected(device: BluetoothDevice, reason: Int) {
+                super.onDeviceDisconnected(device, reason)
+                _status.value = BleManagerStatus.DISCONNECTED
+                scope.close()
+            }
+        })
+    }
+
+    override fun onBind(intent: Intent?): IBinder? {
+        return null
     }
 
     /**
@@ -89,6 +118,7 @@ abstract class BleProfileService : LifecycleService() {
             .useAutoConnect(shouldAutoConnect())
             .retry(3, 100)
             .enqueue()
+
         return START_REDELIVER_INTENT
     }
 

lib_service/src/main/java/no/nordicsemi/android/service/CloseableCoroutineScope.kt

@@ -0,0 +1,14 @@
+package no.nordicsemi.android.service
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.cancel
+import java.io.Closeable
+import kotlin.coroutines.CoroutineContext
+
+class CloseableCoroutineScope(context: CoroutineContext) : Closeable, CoroutineScope {
+    override val coroutineContext: CoroutineContext = context
+
+    override fun close() {
+        coroutineContext.cancel()
+    }
+}

lib_service/src/main/java/no/nordicsemi/android/service/ConnectionObserverAdapter.kt

@@ -0,0 +1,19 @@
+package no.nordicsemi.android.service
+
+import android.bluetooth.BluetoothDevice
+import no.nordicsemi.android.ble.observer.ConnectionObserver
+
+abstract class ConnectionObserverAdapter : ConnectionObserver {
+
+    override fun onDeviceConnecting(device: BluetoothDevice) { }
+
+    override fun onDeviceConnected(device: BluetoothDevice) { }
+
+    override fun onDeviceFailedToConnect(device: BluetoothDevice, reason: Int) { }
+
+    override fun onDeviceReady(device: BluetoothDevice) { }
+
+    override fun onDeviceDisconnecting(device: BluetoothDevice) { }
+
+    override fun onDeviceDisconnected(device: BluetoothDevice, reason: Int) { }
+}

lib_theme/build.gradle

@@ -6,6 +6,7 @@ dependencies {
     implementation libs.nordic.theme
 
     implementation libs.bundles.compose
+    implementation libs.bundles.icons
     implementation libs.compose.lifecycle
     implementation libs.compose.activity
 }

lib_theme/src/main/java/no/nordicsemi/android/theme/view/DeviceConnectingView.kt

@@ -0,0 +1,73 @@
+package no.nordicsemi.android.theme.view
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.HourglassTop
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import no.nordicsemi.android.theme.R
+
+@Composable
+fun DeviceConnectingView() {
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp)
+    ) {
+        ScreenSection {
+            Icon(
+                imageVector = Icons.Default.HourglassTop,
+                contentDescription = null,
+                tint = MaterialTheme.colorScheme.onSecondary,
+                modifier = Modifier
+                    .background(
+                        color = MaterialTheme.colorScheme.secondary,
+                        shape = CircleShape
+                    )
+                    .padding(8.dp)
+            )
+
+            Spacer(modifier = Modifier.size(16.dp))
+
+            Text(
+                text = stringResource(id = R.string.device_connecting),
+                style = MaterialTheme.typography.titleMedium
+            )
+
+            Spacer(modifier = Modifier.size(16.dp))
+
+            Text(
+                text = stringResource(id = R.string.device_explanation),
+                textAlign = TextAlign.Center,
+                style = MaterialTheme.typography.bodyMedium
+            )
+
+            Spacer(modifier = Modifier.size(16.dp))
+
+            Text(
+                text = stringResource(id = R.string.device_please_wait),
+                textAlign = TextAlign.Center,
+                style = MaterialTheme.typography.titleLarge
+            )
+        }
+    }
+}
+
+@Preview
+@Composable
+fun DeviceConnectingView_Preview() {
+    DeviceConnectingView()
+}

lib_theme/src/main/res/values/strings.xml

@@ -10,4 +10,8 @@
 
     <string name="disconnect">DISCONNECT</string>
     <string name="field_battery">Battery</string>
+
+    <string name="device_connecting">Connecting</string>
+    <string name="device_explanation">The mobile is trying to connect to peripheral device.</string>
+    <string name="device_please_wait">Please wait.</string>
 </resources>

profile_cgms/src/main/java/no/nordicsemi/android/cgms/data/CGMRepository.kt

@@ -2,6 +2,7 @@ package no.nordicsemi.android.cgms.data
 
 import kotlinx.coroutines.channels.BufferOverflow
 import kotlinx.coroutines.flow.*
+import no.nordicsemi.android.service.BleManagerStatus
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -11,9 +12,12 @@ internal class CGMRepository @Inject constructor() {
     private val _data = MutableStateFlow(CGMData())
     val data: StateFlow<CGMData> = _data.asStateFlow()
 
-    private val _command = MutableSharedFlow<WorkingMode>(extraBufferCapacity = 1, onBufferOverflow = BufferOverflow.DROP_LATEST)
+    private val _command = MutableSharedFlow<CGMServiceCommand>(extraBufferCapacity = 1, onBufferOverflow = BufferOverflow.DROP_LATEST)
     val command = _command.asSharedFlow()
 
+    private val _status = MutableStateFlow(BleManagerStatus.CONNECTING)
+    val status = _status.asStateFlow()
+
     fun emitNewBatteryLevel(batterLevel: Int) {
         _data.tryEmit(_data.value.copy(batteryLevel = batterLevel))
     }
@@ -26,10 +30,14 @@ internal class CGMRepository @Inject constructor() {
         _data.tryEmit(_data.value.copy(requestStatus = requestStatus))
     }
 
-    fun requestNewWorkingMode(workingMode: WorkingMode) {
+    fun sendNewServiceCommand(workingMode: CGMServiceCommand) {
         _command.tryEmit(workingMode)
     }
 
+    fun setNewStatus(status: BleManagerStatus) {
+        _status.value = status
+    }
+
     fun clear() {
         _data.tryEmit(CGMData())
     }

profile_cgms/src/main/java/no/nordicsemi/android/cgms/data/CGMServiceCommand.kt

@@ -0,0 +1,8 @@
+package no.nordicsemi.android.cgms.data
+
+internal enum class CGMServiceCommand {
+    REQUEST_ALL_RECORDS,
+    REQUEST_LAST_RECORD,
+    REQUEST_FIRST_RECORD,
+    DISCONNECT
+}

profile_cgms/src/main/java/no/nordicsemi/android/cgms/data/WorkingMode.kt

@@ -1,7 +0,0 @@
-package no.nordicsemi.android.cgms.data
-
-internal enum class WorkingMode {
-    ALL,
-    LAST,
-    FIRST
-}

profile_cgms/src/main/java/no/nordicsemi/android/cgms/repository/CGMService.kt

@@ -1,11 +1,10 @@
 package no.nordicsemi.android.cgms.repository
 
-import androidx.lifecycle.lifecycleScope
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import no.nordicsemi.android.cgms.data.CGMRepository
-import no.nordicsemi.android.cgms.data.WorkingMode
+import no.nordicsemi.android.cgms.data.CGMServiceCommand
 import no.nordicsemi.android.service.ForegroundBleService
 import no.nordicsemi.android.utils.exhaustive
 import javax.inject.Inject
@@ -14,19 +13,24 @@ import javax.inject.Inject
 internal class CGMService : ForegroundBleService() {
 
     @Inject
-    lateinit var dataHolder: CGMRepository
+    lateinit var repository: CGMRepository
 
-    override val manager: CGMManager by lazy { CGMManager(this, dataHolder) }
+    override val manager: CGMManager by lazy { CGMManager(this, repository) }
 
     override fun onCreate() {
         super.onCreate()
 
-        dataHolder.command.onEach {
+        status.onEach {
+            repository.setNewStatus(it)
+        }.launchIn(scope)
+
+        repository.command.onEach {
             when (it) {
-                WorkingMode.ALL -> manager.requestAllRecords()
+                CGMServiceCommand.REQUEST_ALL_RECORDS -> manager.requestAllRecords()
-                WorkingMode.LAST -> manager.requestLastRecord()
+                CGMServiceCommand.REQUEST_LAST_RECORD -> manager.requestLastRecord()
-                WorkingMode.FIRST -> manager.requestFirstRecord()
+                CGMServiceCommand.REQUEST_FIRST_RECORD -> manager.requestFirstRecord()
+                CGMServiceCommand.DISCONNECT -> stopSelf()
             }.exhaustive
-        }.launchIn(lifecycleScope)
+        }.launchIn(scope)
     }
 }

profile_cgms/src/main/java/no/nordicsemi/android/cgms/view/CGMContentView.kt

@@ -18,7 +18,7 @@ import no.nordicsemi.android.cgms.R
 import no.nordicsemi.android.cgms.data.CGMData
 import no.nordicsemi.android.cgms.data.CGMRecord
 import no.nordicsemi.android.cgms.data.RequestStatus
-import no.nordicsemi.android.cgms.data.WorkingMode
+import no.nordicsemi.android.cgms.data.CGMServiceCommand
 import no.nordicsemi.android.material.you.CircularProgressIndicator
 import no.nordicsemi.android.theme.view.BatteryLevelView
 import no.nordicsemi.android.theme.view.ScreenSection
@@ -29,12 +29,10 @@ internal fun CGMContentView(state: CGMData, onEvent: (CGMViewEvent) -> Unit) {
     Column(
         modifier = Modifier
             .fillMaxSize()
-            .padding(horizontal = 16.dp)
+            .padding(16.dp)
             .verticalScroll(rememberScrollState()),
         horizontalAlignment = Alignment.CenterHorizontally
     ) {
-        Spacer(modifier = Modifier.height(16.dp))
-
         SettingsView(state, onEvent)
 
         Spacer(modifier = Modifier.height(16.dp))
@@ -71,10 +69,14 @@ private fun SettingsView(state: CGMData, onEvent: (CGMViewEvent) -> Unit) {
             if (state.requestStatus == RequestStatus.PENDING) {
                 CircularProgressIndicator()
             } else {
-                WorkingMode.values().forEach {
+                Button(onClick = { onEvent(OnWorkingModeSelected(CGMServiceCommand.REQUEST_ALL_RECORDS)) }) {
-                    Button(onClick = { onEvent(OnWorkingModeSelected(it)) }) {
+                    Text(stringResource(id = R.string.cgms__working_mode__all))
-                        Text(it.toDisplayString())
+                }
-                    }
+                Button(onClick = { onEvent(OnWorkingModeSelected(CGMServiceCommand.REQUEST_LAST_RECORD)) }) {
+                    Text(stringResource(id = R.string.cgms__working_mode__last))
+                }
+                Button(onClick = { onEvent(OnWorkingModeSelected(CGMServiceCommand.REQUEST_FIRST_RECORD)) }) {
+                    Text(stringResource(id = R.string.cgms__working_mode__first))
                 }
             }
         }

profile_cgms/src/main/java/no/nordicsemi/android/cgms/view/CGMMapper.kt

@@ -4,19 +4,10 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.res.stringResource
 import no.nordicsemi.android.cgms.R
 import no.nordicsemi.android.cgms.data.CGMRecord
-import no.nordicsemi.android.cgms.data.WorkingMode
+import no.nordicsemi.android.cgms.data.CGMServiceCommand
 import java.text.SimpleDateFormat
 import java.util.*
 
-@Composable
-internal fun WorkingMode.toDisplayString(): String {
-    return when (this) {
-        WorkingMode.ALL -> stringResource(id = R.string.cgms__working_mode__all)
-        WorkingMode.LAST -> stringResource(id = R.string.cgms__working_mode__last)
-        WorkingMode.FIRST -> stringResource(id = R.string.cgms__working_mode__first)
-    }
-}
-
 internal fun CGMRecord.formattedTime(): String {
     val timeFormat = SimpleDateFormat("dd.MM.yyyy HH:mm", Locale.US)
     return timeFormat.format(Date(timestamp))

profile_cgms/src/main/java/no/nordicsemi/android/cgms/view/CGMScreen.kt

@@ -9,49 +9,43 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.hilt.navigation.compose.hiltViewModel
 import no.nordicsemi.android.cgms.R
-import no.nordicsemi.android.cgms.data.CGMData
 import no.nordicsemi.android.cgms.repository.CGMService
 import no.nordicsemi.android.cgms.viewmodel.CGMScreenViewModel
 import no.nordicsemi.android.theme.view.BackIconAppBar
-import no.nordicsemi.android.utils.isServiceRunning
+import no.nordicsemi.android.theme.view.DeviceConnectingView
+import no.nordicsemi.android.utils.exhaustive
 
 @Composable
 fun CGMScreen(finishAction: () -> Unit) {
     val viewModel: CGMScreenViewModel = hiltViewModel()
     val state = viewModel.state.collectAsState().value
-    val isScreenActive = viewModel.isActive.collectAsState().value
 
     val context = LocalContext.current
-    LaunchedEffect(isScreenActive) {
+    LaunchedEffect(state.isActive) {
-        if (!isScreenActive) {
+        if (state.isActive) {
-            finishAction()
-        }
-        if (context.isServiceRunning(CGMService::class.java.name)) {
-            val intent = Intent(context, CGMService::class.java)
-            context.stopService(intent)
-        }
-    }
-
-    LaunchedEffect("start-service") {
-        if (!context.isServiceRunning(CGMService::class.java.name)) {
             val intent = Intent(context, CGMService::class.java)
             context.startService(intent)
+        } else if (!state.isActive) {
+            finishAction()
         }
     }
 
-    CGMView(state) {
+    CGMView(state.viewState) {
         viewModel.onEvent(it)
     }
 }
 
 @Composable
-private fun CGMView(state: CGMData, onEvent: (CGMViewEvent) -> Unit) {
+private fun CGMView(state: CGMViewState, onEvent: (CGMViewEvent) -> Unit) {
     Column {
         BackIconAppBar(stringResource(id = R.string.cgms_title)) {
             onEvent(DisconnectEvent)
         }
 
-        CGMContentView(state, onEvent)
+        when (state) {
+            is DisplayDataState -> CGMContentView(state.data, onEvent)
+            LoadingState -> DeviceConnectingView()
+        }.exhaustive
     }
 }
 

profile_cgms/src/main/java/no/nordicsemi/android/cgms/view/CGMViewEvent.kt

@@ -1,9 +1,9 @@
 package no.nordicsemi.android.cgms.view
 
-import no.nordicsemi.android.cgms.data.WorkingMode
+import no.nordicsemi.android.cgms.data.CGMServiceCommand
 
 internal sealed class CGMViewEvent
 
-internal data class OnWorkingModeSelected(val workingMode: WorkingMode) : CGMViewEvent()
+internal data class OnWorkingModeSelected(val workingMode: CGMServiceCommand) : CGMViewEvent()
 
 internal object DisconnectEvent : CGMViewEvent()

profile_cgms/src/main/java/no/nordicsemi/android/cgms/view/CGMViewState.kt

@@ -0,0 +1,14 @@
+package no.nordicsemi.android.cgms.view
+
+import no.nordicsemi.android.cgms.data.CGMData
+
+internal data class CGMState(
+    val viewState: CGMViewState,
+    val isActive: Boolean = true
+)
+
+internal sealed class CGMViewState
+
+internal object LoadingState : CGMViewState()
+
+internal data class DisplayDataState(val data: CGMData) : CGMViewState()

profile_cgms/src/main/java/no/nordicsemi/android/cgms/viewmodel/CGMScreenViewModel.kt

@@ -1,30 +1,45 @@
 package no.nordicsemi.android.cgms.viewmodel
 
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.stateIn
 import no.nordicsemi.android.cgms.data.CGMRepository
+import no.nordicsemi.android.cgms.data.CGMServiceCommand
+import no.nordicsemi.android.cgms.view.CGMState
 import no.nordicsemi.android.cgms.view.CGMViewEvent
 import no.nordicsemi.android.cgms.view.DisconnectEvent
+import no.nordicsemi.android.cgms.view.DisplayDataState
+import no.nordicsemi.android.cgms.view.LoadingState
 import no.nordicsemi.android.cgms.view.OnWorkingModeSelected
-import no.nordicsemi.android.theme.viewmodel.CloseableViewModel
+import no.nordicsemi.android.service.BleManagerStatus
 import no.nordicsemi.android.utils.exhaustive
 import javax.inject.Inject
 
 @HiltViewModel
 internal class CGMScreenViewModel @Inject constructor(
-    private val dataHolder: CGMRepository
+    private val repository: CGMRepository
-) : CloseableViewModel() {
+) : ViewModel() {
 
-    val state = dataHolder.data
+    val state = repository.data.combine(repository.status) { data, status ->
+        when (status) {
+            BleManagerStatus.CONNECTING -> CGMState(LoadingState)
+            BleManagerStatus.OK -> CGMState(DisplayDataState(data))
+            BleManagerStatus.DISCONNECTED -> CGMState(DisplayDataState(data), false)
+        }
+    }.stateIn(viewModelScope, SharingStarted.Lazily, CGMState(LoadingState))
 
     fun onEvent(event: CGMViewEvent) {
         when (event) {
             DisconnectEvent -> disconnect()
-            is OnWorkingModeSelected -> dataHolder.requestNewWorkingMode(event.workingMode)
+            is OnWorkingModeSelected -> repository.sendNewServiceCommand(event.workingMode)
         }.exhaustive
     }
 
     private fun disconnect() {
-        finish()
+        repository.clear()
-        dataHolder.clear()
+        repository.sendNewServiceCommand(CGMServiceCommand.DISCONNECT)
     }
 }

profile_csc/src/main/java/no/nordicsemi/android/csc/view/CSCContentView.kt

@@ -4,6 +4,8 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Settings
 import androidx.compose.material3.Button
@@ -26,24 +28,24 @@ internal fun CSCContentView(state: CSCData, onEvent: (CSCViewEvent) -> Unit) {
         SelectWheelSizeDialog { onEvent(it) }
     }
 
-    Column(
+    Column(modifier = Modifier.verticalScroll(rememberScrollState())) {
-        horizontalAlignment = Alignment.CenterHorizontally,
+        Column(
-        modifier = Modifier.padding(horizontal = 16.dp)
+            horizontalAlignment = Alignment.CenterHorizontally,
-    ) {
+            modifier = Modifier.padding(16.dp)
-        Spacer(modifier = Modifier.height(16.dp))
-
-        SettingsSection(state, onEvent)
-
-        Spacer(modifier = Modifier.height(16.dp))
-
-        SensorsReadingView(state = state)
-
-        Spacer(modifier = Modifier.height(16.dp))
-
-        Button(
-            onClick = { onEvent(OnDisconnectButtonClick) }
         ) {
-            Text(text = stringResource(id = R.string.disconnect))
+            SettingsSection(state, onEvent)
+
+            Spacer(modifier = Modifier.height(16.dp))
+
+            SensorsReadingView(state = state)
+
+            Spacer(modifier = Modifier.height(16.dp))
+
+            Button(
+                onClick = { onEvent(OnDisconnectButtonClick) }
+            ) {
+                Text(text = stringResource(id = R.string.disconnect))
+            }
         }
     }
 }

profile_prx/src/main/java/no/nordicsemi/android/prx/service/PRXService.kt

@@ -39,7 +39,7 @@ internal class PRXService : ForegroundBleService() {
                 DisableAlarm -> manager.writeImmediateAlert(false)
                 EnableAlarm -> manager.writeImmediateAlert(true)
             }.exhaustive
-        }.launchIn(lifecycleScope)
+        }.launchIn(scope)
 
         dataHolder.data.onEach {
             if (it.localAlarmLevel != AlarmLevel.NONE) {
@@ -47,7 +47,7 @@ internal class PRXService : ForegroundBleService() {
             } else {
                 alarmHandler.pauseAlarm()
             }
-        }.launchIn(lifecycleScope)
+        }.launchIn(scope)
     }
 
     override fun onDestroy() {

profile_rscs/src/main/java/no/nordicsemi/android/rscs/service/RSCMeasurementParser.kt

@@ -1,83 +0,0 @@
-/*
- * Copyright (c) 2015, 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.rscs.service
-
-import no.nordicsemi.android.ble.data.Data
-import java.util.*
-
-internal object RSCMeasurementParser {
-
-    private const val INSTANTANEOUS_STRIDE_LENGTH_PRESENT: Byte = 0x01 // 1 bit
-    private const val TOTAL_DISTANCE_PRESENT: Byte = 0x02 // 1 bit
-    private const val WALKING_OR_RUNNING_STATUS_BITS: Byte = 0x04 // 1 bit
-
-    fun parse(data: Data): String {
-        var offset = 0
-        val flags = data.value!![offset].toInt() // 1 byte
-        offset += 1
-        val islmPresent = flags and INSTANTANEOUS_STRIDE_LENGTH_PRESENT.toInt() > 0
-        val tdPreset = flags and TOTAL_DISTANCE_PRESENT.toInt() > 0
-        val running = flags and WALKING_OR_RUNNING_STATUS_BITS.toInt() > 0
-        val walking = !running
-        val instantaneousSpeed =
-            data.getIntValue(Data.FORMAT_UINT16, offset) as Float / 256.0f // 1/256 m/s
-        offset += 2
-        val instantaneousCadence = data.getIntValue(Data.FORMAT_UINT8, offset)!!
-        offset += 1
-        var instantaneousStrideLength = 0f
-        if (islmPresent) {
-            instantaneousStrideLength =
-                data.getIntValue(Data.FORMAT_UINT16, offset) as Float / 100.0f // 1/100 m
-            offset += 2
-        }
-        var totalDistance = 0f
-        if (tdPreset) {
-            totalDistance = data.getIntValue(Data.FORMAT_UINT32, offset) as Float / 10.0f
-            // offset += 4;
-        }
-        val builder = StringBuilder()
-        builder.append(
-            String.format(
-                Locale.US,
-                "Speed: %.2f m/s, Cadence: %d RPM,\n",
-                instantaneousSpeed,
-                instantaneousCadence
-            )
-        )
-        if (islmPresent) builder.append(
-            String.format(
-                Locale.US,
-                "Instantaneous Stride Length: %.2f m,\n",
-                instantaneousStrideLength
-            )
-        )
-        if (tdPreset) builder.append(
-            String.format(
-                Locale.US,
-                "Total Distance: %.1f m,\n",
-                totalDistance
-            )
-        )
-        if (walking) builder.append("Status: WALKING") else builder.append("Status: RUNNING")
-        return builder.toString()
-    }
-}

profile_rscs/src/main/java/no/nordicsemi/android/rscs/service/RSCSManager.kt

@@ -26,8 +26,6 @@ import android.bluetooth.BluetoothGatt
 import android.bluetooth.BluetoothGattCharacteristic
 import android.content.Context
 import no.nordicsemi.android.ble.common.callback.rsc.RunningSpeedAndCadenceMeasurementDataCallback
-import no.nordicsemi.android.ble.data.Data
-import no.nordicsemi.android.log.LogContract
 import no.nordicsemi.android.rscs.data.RSCSRepository
 import no.nordicsemi.android.service.BatteryManager
 import java.util.*
@@ -46,13 +44,6 @@ internal class RSCSManager internal constructor(
     private var rscMeasurementCharacteristic: BluetoothGattCharacteristic? = null
 
     private val callback = object : RunningSpeedAndCadenceMeasurementDataCallback() {
-        override fun onDataReceived(device: BluetoothDevice, data: Data) {
-            log(
-                LogContract.Log.Level.APPLICATION,
-                "\"" + RSCMeasurementParser.parse(data).toString() + "\" received"
-            )
-            super.onDataReceived(device, data)
-        }
 
         override fun onRSCMeasurementReceived(
             device: BluetoothDevice,

profile_uart/src/main/java/no/nordicsemi/android/uart/data/UARTRepository.kt

@@ -5,6 +5,7 @@ import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
+import no.nordicsemi.android.service.BleManagerStatus
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -17,6 +18,9 @@ internal class UARTRepository @Inject constructor() {
     private val _command = MutableSharedFlow<UARTServiceCommand>(extraBufferCapacity = 1, onBufferOverflow = BufferOverflow.DROP_LATEST)
     val command = _command.asSharedFlow()
 
+    private val _status = MutableStateFlow(BleManagerStatus.CONNECTING)
+    val status = _status.asStateFlow()
+
     fun addNewMacro(macro: UARTMacro) {
         _data.tryEmit(_data.value.copy(macros = _data.value.macros + macro))
     }
@@ -39,4 +43,8 @@ internal class UARTRepository @Inject constructor() {
     fun sendNewCommand(command: UARTServiceCommand) {
         _command.tryEmit(command)
     }
+
+    fun setNewStatus(status: BleManagerStatus) {
+        _status.value = status
+    }
 }

profile_uart/src/main/java/no/nordicsemi/android/uart/data/UARTServiceCommand.kt

@@ -1,3 +1,7 @@
 package no.nordicsemi.android.uart.data
 
-data class UARTServiceCommand(val command: String)
+internal sealed class UARTServiceCommand
+
+internal data class SendTextCommand(val command: String) : UARTServiceCommand()
+
+internal object DisconnectCommand : UARTServiceCommand()

profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTService.kt

@@ -1,26 +1,35 @@
 package no.nordicsemi.android.uart.repository
 
-import androidx.lifecycle.lifecycleScope
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import no.nordicsemi.android.service.ForegroundBleService
+import no.nordicsemi.android.uart.data.DisconnectCommand
+import no.nordicsemi.android.uart.data.SendTextCommand
 import no.nordicsemi.android.uart.data.UARTRepository
+import no.nordicsemi.android.utils.exhaustive
 import javax.inject.Inject
 
 @AndroidEntryPoint
 internal class UARTService : ForegroundBleService() {
 
     @Inject
-    lateinit var dataHolder: UARTRepository
+    lateinit var repository: UARTRepository
 
-    override val manager: UARTManager by lazy { UARTManager(this, dataHolder) }
+    override val manager: UARTManager by lazy { UARTManager(this, repository) }
 
     override fun onCreate() {
         super.onCreate()
 
-        dataHolder.command.onEach {
+        status.onEach {
-            manager.send(it.command)
+            repository.setNewStatus(it)
-        }.launchIn(lifecycleScope)
+        }.launchIn(scope)
+
+        repository.command.onEach {
+            when (it) {
+                DisconnectCommand -> stopSelf()
+                is SendTextCommand -> manager.send(it.command)
+            }.exhaustive
+        }.launchIn(scope)
     }
 }

profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTScreen.kt

@@ -9,46 +9,40 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.hilt.navigation.compose.hiltViewModel
 import no.nordicsemi.android.theme.view.BackIconAppBar
+import no.nordicsemi.android.theme.view.DeviceConnectingView
 import no.nordicsemi.android.uart.R
-import no.nordicsemi.android.uart.data.UARTData
 import no.nordicsemi.android.uart.repository.UARTService
 import no.nordicsemi.android.uart.viewmodel.UARTViewModel
-import no.nordicsemi.android.utils.isServiceRunning
+import no.nordicsemi.android.utils.exhaustive
 
 @Composable
 fun UARTScreen(finishAction: () -> Unit) {
     val viewModel: UARTViewModel = hiltViewModel()
     val state = viewModel.state.collectAsState().value
-    val isScreenActive = viewModel.isActive.collectAsState().value
 
     val context = LocalContext.current
-    LaunchedEffect(isScreenActive) {
+    LaunchedEffect(state.isActive) {
-        if (!isScreenActive) {
+        if (state.isActive) {
-            finishAction()
-        }
-        if (context.isServiceRunning(UARTService::class.java.name)) {
-            val intent = Intent(context, UARTService::class.java)
-            context.stopService(intent)
-        }
-    }
-
-    LaunchedEffect("start-service") {
-        if (!context.isServiceRunning(UARTService::class.java.name)) {
             val intent = Intent(context, UARTService::class.java)
             context.startService(intent)
+        } else if (!state.isActive) {
+            finishAction()
         }
     }
 
-    UARTView(state) { viewModel.onEvent(it) }
+    UARTView(state.viewState) { viewModel.onEvent(it) }
 }
 
 @Composable
-private fun UARTView(state: UARTData, onEvent: (UARTViewEvent) -> Unit) {
+private fun UARTView(state: UARTViewState, onEvent: (UARTViewEvent) -> Unit) {
     Column {
         BackIconAppBar(stringResource(id = R.string.uart_title)) {
             onEvent(OnDisconnectButtonClick)
         }
 
-        UARTContentView(state) { onEvent(it) }
+        when (state) {
+            is DisplayDataState -> UARTContentView(state.data) { onEvent(it) }
+            LoadingState -> DeviceConnectingView()
+        }.exhaustive
     }
 }

profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTState.kt

@@ -0,0 +1,14 @@
+package no.nordicsemi.android.uart.view
+
+import no.nordicsemi.android.uart.data.UARTData
+
+internal data class UARTState(
+    val viewState: UARTViewState,
+    val isActive: Boolean = true
+)
+
+internal sealed class UARTViewState
+
+internal object LoadingState : UARTViewState()
+
+internal data class DisplayDataState(val data: UARTData) : UARTViewState()

profile_uart/src/main/java/no/nordicsemi/android/uart/viewmodel/UARTViewModel.kt

@@ -1,26 +1,46 @@
 package no.nordicsemi.android.uart.viewmodel
 
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.stateIn
+import no.nordicsemi.android.service.BleManagerStatus
 import no.nordicsemi.android.theme.viewmodel.CloseableViewModel
+import no.nordicsemi.android.uart.data.DisconnectCommand
+import no.nordicsemi.android.uart.data.SendTextCommand
 import no.nordicsemi.android.uart.data.UARTRepository
-import no.nordicsemi.android.uart.data.UARTServiceCommand
+import no.nordicsemi.android.uart.view.DisplayDataState
-import no.nordicsemi.android.uart.view.*
+import no.nordicsemi.android.uart.view.LoadingState
+import no.nordicsemi.android.uart.view.OnCreateMacro
+import no.nordicsemi.android.uart.view.OnDeleteMacro
+import no.nordicsemi.android.uart.view.OnDisconnectButtonClick
+import no.nordicsemi.android.uart.view.OnRunMacro
+import no.nordicsemi.android.uart.view.UARTState
+import no.nordicsemi.android.uart.view.UARTViewEvent
 import no.nordicsemi.android.utils.exhaustive
 import javax.inject.Inject
 
 @HiltViewModel
 internal class UARTViewModel @Inject constructor(
-    private val dataHolder: UARTRepository
+    private val repository: UARTRepository
-) : CloseableViewModel() {
+) : ViewModel() {
 
-    val state = dataHolder.data
+    val state = repository.data.combine(repository.status) { data, status ->
+        when (status) {
+            BleManagerStatus.CONNECTING -> UARTState(LoadingState)
+            BleManagerStatus.OK -> UARTState(DisplayDataState(data))
+            BleManagerStatus.DISCONNECTED -> UARTState(DisplayDataState(data), false)
+        }
+    }.stateIn(viewModelScope, SharingStarted.Lazily, UARTState(LoadingState))
 
     fun onEvent(event: UARTViewEvent) {
         when (event) {
-            is OnCreateMacro -> dataHolder.addNewMacro(event.macro)
+            is OnCreateMacro -> repository.addNewMacro(event.macro)
-            is OnDeleteMacro -> dataHolder.deleteMacro(event.macro)
+            is OnDeleteMacro -> repository.deleteMacro(event.macro)
-            OnDisconnectButtonClick -> finish()
+            OnDisconnectButtonClick -> repository.sendNewCommand(DisconnectCommand)
-            is OnRunMacro -> dataHolder.sendNewCommand(UARTServiceCommand(event.macro.command))
+            is OnRunMacro -> repository.sendNewCommand(SendTextCommand(event.macro.command))
         }.exhaustive
     }
 }

settings.gradle

@@ -37,6 +37,10 @@ dependencyResolutionManagement {
             alias('compose-navigation').to('androidx.navigation:navigation-compose:2.4.0-alpha09')
             bundle('compose', ['compose-livedata', 'compose-ui', 'compose-material', 'compose-tooling-preview', 'compose-navigation'])
 
+            alias('material-icons').to('androidx.compose.material', 'material-icons-core').versionRef('compose')
+            alias('material-icons-extended').to('androidx.compose.material', 'material-icons-extended').versionRef('compose')
+            bundle('icons', ['material-icons', 'material-icons-extended'])
+
             version('hilt', '2.38.1')
             alias('hilt-android').to('com.google.dagger', 'hilt-android').versionRef('hilt')
             alias('hilt-compiler').to('com.google.dagger', 'hilt-compiler').versionRef('hilt')