Finish migrating GLS profile

2025-12-20 07:54:20 +01:00 · 2023-03-16 09:40:23 +01:00
parent cc9d4d225a
commit e15ad2967e
21 changed files with 206 additions and 664 deletions
--- a/gradle.properties
+++ b/gradle.properties
@@ -46,7 +46,5 @@ org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
 # Android operating system, and which are packaged with your app"s APK
 # https://developer.android.com/topic/libraries/support-library/androidx-rn
 android.useAndroidX=true
-# Automatically convert third-party libraries to use AndroidX
-android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
--- a/profile_bps/src/main/java/no/nordicsemi/android/bps/viewmodel/BPSViewModel.kt
+++ b/profile_bps/src/main/java/no/nordicsemi/android/bps/viewmodel/BPSViewModel.kt
@@ -110,10 +110,10 @@ internal class BPSViewModel @Inject constructor(
        }
    }

-    private fun startGattClient(blinkyDevice: ServerDevice) = viewModelScope.launch {
-        _state.value = _state.value.copy(deviceName = blinkyDevice.name)
+    private fun startGattClient(device: ServerDevice) = viewModelScope.launch {
+        _state.value = _state.value.copy(deviceName = device.name)

-        client = blinkyDevice.connect(context)
+        client = device.connect(context)

        client.connectionState
            .filterNotNull()
--- a/profile_csc/src/main/java/no/nordicsemi/android/csc/repository/CSCService.kt
+++ b/profile_csc/src/main/java/no/nordicsemi/android/csc/repository/CSCService.kt
@@ -80,8 +80,8 @@ internal class CSCService : NotificationService() {
        return START_REDELIVER_INTENT
    }

-    private fun startGattClient(blinkyDevice: ServerDevice) = lifecycleScope.launch {
-        client = blinkyDevice.connect(this@CSCService)
+    private fun startGattClient(device: ServerDevice) = lifecycleScope.launch {
+        client = device.connect(this@CSCService)

        client.connectionState
            .onEach { repository.onConnectionStateChanged(it) }
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/GLSDestination.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/GLSDestination.kt
@@ -33,9 +33,10 @@ package no.nordicsemi.android.gls

 import no.nordicsemi.android.common.navigation.createDestination
 import no.nordicsemi.android.common.navigation.defineDestination
-import no.nordicsemi.android.gls.data.GLSRecord
 import no.nordicsemi.android.gls.details.view.GLSDetailsScreen
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSRecord
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSMeasurementContext

-internal val GlsDetailsDestinationId = createDestination<GLSRecord, Unit>("gls-details-screen")
+internal val GlsDetailsDestinationId = createDestination<Pair<GLSRecord, GLSMeasurementContext?>, Unit>("gls-details-screen")

 val GLSDestination = defineDestination(GlsDetailsDestinationId) { GLSDetailsScreen() }
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/data/DataMapper.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/data/DataMapper.kt
@@ -1,74 +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.gls.data
-
-import no.nordicsemi.android.ble.common.callback.glucose.GlucoseMeasurementContextResponse
-import no.nordicsemi.android.ble.common.callback.glucose.GlucoseMeasurementResponse
-
-internal fun GlucoseMeasurementResponse.toRecord(): GLSRecord {
-    return this.let {
-        GLSRecord(
-            sequenceNumber = it.sequenceNumber,
-            time = it.time,
-            glucoseConcentration = it.glucoseConcentration ?: 0f,
-            unit = it.unit?.let { ConcentrationUnit.create(it) }
-                ?: ConcentrationUnit.UNIT_KGPL,
-            type = RecordType.createOrNull(it.type),
-            sampleLocation = SampleLocation.createOrNull(it.sampleLocation),
-            status = it.status
-        )
-    }
-}
-
-internal fun GlucoseMeasurementContextResponse.toMeasurementContext(): MeasurementContext {
-    return this.let {
-        MeasurementContext(
-            sequenceNumber = it.sequenceNumber,
-            carbohydrate = it.carbohydrate,
-            carbohydrateAmount = it.carbohydrateAmount ?: 0f,
-            meal = it.meal,
-            tester = it.tester,
-            health = it.health,
-            exerciseDuration = it.exerciseDuration ?: 0,
-            exerciseIntensity = it.exerciseIntensity ?: 0,
-            medication = it.medication,
-            medicationQuantity = it.medicationAmount ?: 0f,
-            medicationUnit = it.medicationUnit?.let { MedicationUnit.create(it) }
-                ?: MedicationUnit.UNIT_KG,
-            HbA1c = it.hbA1c ?: 0f
-        )
-    }
-}
-
-internal fun GLSRecord.copyWithNewContext(response: GlucoseMeasurementContextResponse): GLSRecord {
-    return copy(context = context)
-}
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/data/GLSManager.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/data/GLSManager.kt
@@ -1,249 +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.gls.data
-
-import android.bluetooth.BluetoothGatt
-import android.bluetooth.BluetoothGattCharacteristic
-import android.content.Context
-import android.util.Log
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.onEach
-import no.nordicsemi.android.ble.BleManager
-import no.nordicsemi.android.ble.common.callback.RecordAccessControlPointDataCallback
-import no.nordicsemi.android.ble.common.callback.RecordAccessControlPointResponse
-import no.nordicsemi.android.ble.common.callback.battery.BatteryLevelResponse
-import no.nordicsemi.android.ble.common.callback.glucose.GlucoseMeasurementContextResponse
-import no.nordicsemi.android.ble.common.callback.glucose.GlucoseMeasurementResponse
-import no.nordicsemi.android.ble.common.data.RecordAccessControlPointData
-import no.nordicsemi.android.ble.ktx.asValidResponseFlow
-import no.nordicsemi.android.ble.ktx.suspend
-import no.nordicsemi.android.common.logger.NordicLogger
-import no.nordicsemi.android.service.ConnectionObserverAdapter
-import no.nordicsemi.android.utils.launchWithCatch
-import java.util.*
-
-val GLS_SERVICE_UUID: UUID = UUID.fromString("00001808-0000-1000-8000-00805f9b34fb")
-
-private val GM_CHARACTERISTIC = UUID.fromString("00002A18-0000-1000-8000-00805f9b34fb")
-private val GM_CONTEXT_CHARACTERISTIC = UUID.fromString("00002A34-0000-1000-8000-00805f9b34fb")
-private val GF_CHARACTERISTIC = UUID.fromString("00002A51-0000-1000-8000-00805f9b34fb")
-private val RACP_CHARACTERISTIC = UUID.fromString("00002A52-0000-1000-8000-00805f9b34fb")
-
-private val BATTERY_SERVICE_UUID = UUID.fromString("0000180F-0000-1000-8000-00805f9b34fb")
-private val BATTERY_LEVEL_CHARACTERISTIC_UUID = UUID.fromString("00002A19-0000-1000-8000-00805f9b34fb")
-
-internal class GLSManager(
-    context: Context,
-    private val scope: CoroutineScope,
-    private val logger: NordicLogger
-) : BleManager(context) {
-
-    private var batteryLevelCharacteristic: BluetoothGattCharacteristic? = null
-    private var glucoseMeasurementCharacteristic: BluetoothGattCharacteristic? = null
-    private var glucoseMeasurementContextCharacteristic: BluetoothGattCharacteristic? = null
-    private var recordAccessControlPointCharacteristic: BluetoothGattCharacteristic? = null
-
-    private val data = MutableStateFlow(GLSServiceData())
-    val dataHolder = ConnectionObserverAdapter<GLSServiceData>()
-
-    init {
-        connectionObserver = dataHolder
-
-        data.onEach {
-            dataHolder.setValue(it)
-        }.launchIn(scope)
-    }
-
-    override fun log(priority: Int, message: String) {
-        logger.log(priority, message)
-    }
-
-    override fun getMinLogPriority(): Int {
-        return Log.VERBOSE
-    }
-
-    override fun getGattCallback(): BleManagerGattCallback {
-        return GlucoseManagerGattCallback()
-    }
-
-    private inner class GlucoseManagerGattCallback : BleManagerGattCallback() {
-        override fun initialize() {
-            super.initialize()
-
-            setNotificationCallback(glucoseMeasurementCharacteristic).asValidResponseFlow<GlucoseMeasurementResponse>()
-                .onEach { data.tryEmit(data.value.copy(records = data.value.records + it.toRecord())) }
-                .launchIn(scope)
-
-            setNotificationCallback(glucoseMeasurementContextCharacteristic).asValidResponseFlow<GlucoseMeasurementContextResponse>()
-                .onEach {
-                    val context = it.toMeasurementContext()
-                    data.value.records.find { context.sequenceNumber == it.sequenceNumber }?.let {
-                        it.context = context
-                    }
-                    data.tryEmit(data.value)
-                }.launchIn(scope)
-
-            setIndicationCallback(recordAccessControlPointCharacteristic).asValidResponseFlow<RecordAccessControlPointResponse>()
-                .onEach {
-                    if (it.isOperationCompleted && it.wereRecordsFound() && it.numberOfRecords > 0) {
-                        onNumberOfRecordsReceived(it)
-                    } else if (it.isOperationCompleted && it.wereRecordsFound() && it.numberOfRecords == 0) {
-                        onRecordAccessOperationCompletedWithNoRecordsFound(it)
-                    } else if (it.isOperationCompleted && it.wereRecordsFound()) {
-                        onRecordAccessOperationCompleted(it)
-                    } else if (it.errorCode > 0) {
-                        onRecordAccessOperationError(it)
-                    }
-                }.launchIn(scope)
-
-            setNotificationCallback(batteryLevelCharacteristic).asValidResponseFlow<BatteryLevelResponse>()
-                .onEach {
-                    data.value = data.value.copy(batteryLevel = it.batteryLevel)
-                }.launchIn(scope)
-
-            enableNotifications(glucoseMeasurementCharacteristic).enqueue()
-            enableNotifications(glucoseMeasurementContextCharacteristic).enqueue()
-            enableIndications(recordAccessControlPointCharacteristic).enqueue()
-            enableNotifications(batteryLevelCharacteristic).enqueue()
-        }
-
-        private fun onRecordAccessOperationCompleted(response: RecordAccessControlPointResponse) {
-            val status = when (response.requestCode) {
-                RecordAccessControlPointDataCallback.RACP_OP_CODE_ABORT_OPERATION -> RequestStatus.ABORTED
-                else -> RequestStatus.SUCCESS
-            }
-            data.tryEmit(data.value.copy(requestStatus = status))
-        }
-
-        private fun onRecordAccessOperationCompletedWithNoRecordsFound(response: RecordAccessControlPointResponse) {
-            data.tryEmit(data.value.copy(requestStatus = RequestStatus.SUCCESS))
-        }
-
-        private suspend fun onNumberOfRecordsReceived(response: RecordAccessControlPointResponse) {
-            if (response.numberOfRecords > 0) {
-                if (data.value.records.isNotEmpty()) {
-                    val sequenceNumber = data.value.records.last().sequenceNumber + 1
-                    writeCharacteristic(
-                        recordAccessControlPointCharacteristic,
-                        RecordAccessControlPointData.reportStoredRecordsGreaterThenOrEqualTo(
-                            sequenceNumber
-                        ),
-                        BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT
-                    ).suspend()
-                } else {
-                    writeCharacteristic(
-                        recordAccessControlPointCharacteristic,
-                        RecordAccessControlPointData.reportAllStoredRecords(),
-                        BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT
-                    ).suspend()
-                }
-            }
-            data.tryEmit(data.value.copy(requestStatus = RequestStatus.SUCCESS))
-        }
-
-        private fun onRecordAccessOperationError(response: RecordAccessControlPointResponse) {
-            log(Log.WARN, "Record Access operation failed (error ${response.errorCode})")
-            if (response.errorCode == RecordAccessControlPointDataCallback.RACP_ERROR_OP_CODE_NOT_SUPPORTED) {
-                data.tryEmit(data.value.copy(requestStatus = RequestStatus.NOT_SUPPORTED))
-            } else {
-                data.tryEmit(data.value.copy(requestStatus = RequestStatus.FAILED))
-            }
-        }
-
-        public override fun isRequiredServiceSupported(gatt: BluetoothGatt): Boolean {
-            gatt.getService(GLS_SERVICE_UUID)?.run {
-                glucoseMeasurementCharacteristic = getCharacteristic(GM_CHARACTERISTIC)
-                glucoseMeasurementContextCharacteristic = getCharacteristic(GM_CONTEXT_CHARACTERISTIC)
-                recordAccessControlPointCharacteristic = getCharacteristic(RACP_CHARACTERISTIC)
-            }
-            gatt.getService(BATTERY_SERVICE_UUID)?.run {
-                batteryLevelCharacteristic = getCharacteristic(BATTERY_LEVEL_CHARACTERISTIC_UUID)
-            }
-            return glucoseMeasurementCharacteristic != null && recordAccessControlPointCharacteristic != null
-        }
-
-        override fun onServicesInvalidated() {
-            glucoseMeasurementCharacteristic = null
-            glucoseMeasurementContextCharacteristic = null
-            recordAccessControlPointCharacteristic = null
-        }
-    }
-
-    private fun clear() {
-        data.tryEmit(data.value.copy(records = mapOf()))
-        val target = bluetoothDevice
-        if (target != null) {
-            data.tryEmit(data.value.copy(requestStatus = RequestStatus.SUCCESS))
-        }
-    }
-
-    fun requestLastRecord() {
-        if (recordAccessControlPointCharacteristic == null) return
-        val target = bluetoothDevice ?: return
-        clear()
-        data.tryEmit(data.value.copy(requestStatus = RequestStatus.PENDING))
-        scope.launchWithCatch {
-            writeCharacteristic(
-                recordAccessControlPointCharacteristic,
-                RecordAccessControlPointData.reportLastStoredRecord(),
-                BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT
-            ).suspend()
-        }
-    }
-
-    fun requestFirstRecord() {
-        if (recordAccessControlPointCharacteristic == null) return
-        clear()
-        data.tryEmit(data.value.copy(requestStatus = RequestStatus.PENDING))
-        scope.launchWithCatch {
-            writeCharacteristic(
-                recordAccessControlPointCharacteristic,
-                RecordAccessControlPointData.reportFirstStoredRecord(),
-                BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT
-            ).suspend()
-        }
-    }
-
-    fun requestAllRecords() {
-        if (recordAccessControlPointCharacteristic == null) return
-        clear()
-        data.tryEmit(data.value.copy(requestStatus = RequestStatus.PENDING))
-        scope.launchWithCatch {
-            writeCharacteristic(
-                recordAccessControlPointCharacteristic,
-                RecordAccessControlPointData.reportNumberOfAllStoredRecords(),
-                BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT
-            ).suspend()
-        }
-    }
-}
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/data/GLSRecord.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/data/GLSRecord.kt
@@ -1,127 +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.gls.data
-
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementCallback.GlucoseStatus
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Carbohydrate
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Health
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Meal
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Medication
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Tester
-import java.util.*
-
-internal data class GLSRecord(
-    val sequenceNumber: Int = 0,
-    val time: Calendar? = null,
-    val glucoseConcentration: Float = 0f,
-    val unit: ConcentrationUnit = ConcentrationUnit.UNIT_KGPL,
-    val type: RecordType? = null,
-    val status: GlucoseStatus? = null,
-    val sampleLocation: SampleLocation? = null,
-    var context: MeasurementContext? = null
-)
-
-internal enum class RecordType(val id: Int) {
-    CAPILLARY_WHOLE_BLOOD(1),
-    CAPILLARY_PLASMA(2),
-    VENOUS_WHOLE_BLOOD(3),
-    VENOUS_PLASMA(4),
-    ARTERIAL_WHOLE_BLOOD(5),
-    ARTERIAL_PLASMA(6),
-    UNDETERMINED_WHOLE_BLOOD(7),
-    UNDETERMINED_PLASMA(8),
-    INTERSTITIAL_FLUID(9),
-    CONTROL_SOLUTION(10);
-
-    companion object {
-        fun create(value: Int): RecordType {
-            return values().firstOrNull { it.id == value.toInt() }
-                ?: throw IllegalArgumentException("Cannot find element for provided value.")
-        }
-
-        fun createOrNull(value: Int?): RecordType? {
-            return values().firstOrNull { it.id == value }
-        }
-    }
-}
-
-internal data class MeasurementContext(
-    val sequenceNumber: Int = 0,
-    val carbohydrate: Carbohydrate? = null,
-    val carbohydrateAmount: Float = 0f,
-    val meal: Meal? = null,
-    val tester: Tester? = null,
-    val health: Health? = null,
-    val exerciseDuration: Int = 0,
-    val exerciseIntensity: Int = 0,
-    val medication: Medication?,
-    val medicationQuantity: Float = 0f,
-    val medicationUnit: MedicationUnit = MedicationUnit.UNIT_KG,
-    val HbA1c: Float = 0f
-)
-
-internal enum class ConcentrationUnit(val id: Int) {
-    UNIT_KGPL(0),
-    UNIT_MOLPL(1);
-
-    companion object {
-        fun create(value: Int): ConcentrationUnit {
-            return values().firstOrNull { it.id == value }
-                ?: throw IllegalArgumentException("Cannot find element for provided value.")
-        }
-    }
-}
-
-internal enum class MedicationUnit(val id: Int) {
-    UNIT_KG(0),
-    UNIT_L(1);
-
-    companion object {
-        fun create(value: Int): MedicationUnit {
-            return values().firstOrNull { it.id == value }
-                ?: throw IllegalArgumentException("Cannot find element for provided value.")
-        }
-    }
-}
-
-internal enum class SampleLocation(val id: Int) {
-    FINGER(1),
-    AST(2),
-    EARLOBE(3),
-    CONTROL_SOLUTION(4),
-    NOT_AVAILABLE(15);
-
-    companion object {
-        fun createOrNull(value: Int?): SampleLocation? {
-            return values().firstOrNull { it.id == value }
-        }
-    }
-}
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/data/GLSServiceData.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/data/GLSServiceData.kt
@@ -32,10 +32,12 @@
 package no.nordicsemi.android.gls.data

 import no.nordicsemi.android.kotlin.ble.core.data.GattConnectionState
-import no.nordicsemi.android.kotlin.ble.profile.gls.data.GlucoseMeasurementContext
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSRecord
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSMeasurementContext
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.RequestStatus

 internal data class GLSServiceData(
-    val records: Map<GLSRecord, GlucoseMeasurementContext?> = mapOf(),
+    val records: Map<GLSRecord, GLSMeasurementContext?> = mapOf(),
    val batteryLevel: Int? = null,
    val connectionState: GattConnectionState? = null,
    val requestStatus: RequestStatus = RequestStatus.IDLE
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/data/RequestStatus.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/data/RequestStatus.kt
@@ -1,36 +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.gls.data
-
-internal enum class RequestStatus {
-    IDLE, PENDING, SUCCESS, ABORTED, FAILED, NOT_SUPPORTED
-}
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/details/view/GLSDetailsContentView.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/details/view/GLSDetailsContentView.kt
@@ -49,12 +49,13 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import no.nordicsemi.android.gls.R
-import no.nordicsemi.android.gls.data.GLSRecord
 import no.nordicsemi.android.gls.main.view.toDisplayString
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSRecord
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSMeasurementContext
 import no.nordicsemi.android.ui.view.ScreenSection

@Composable
-internal fun GLSDetailsContentView(record: GLSRecord) {
+internal fun GLSDetailsContentView(record: GLSRecord, context: GLSMeasurementContext?) {
    Column(modifier = Modifier.verticalScroll(rememberScrollState())) {
        Column(modifier = Modifier.padding(16.dp)) {
            ScreenSection {
@@ -86,24 +87,28 @@ internal fun GLSDetailsContentView(record: GLSRecord) {
                    Spacer(modifier = Modifier.size(4.dp))
                }

-                Row(
-                    modifier = Modifier.fillMaxWidth(),
-                    horizontalArrangement = Arrangement.SpaceBetween,
-                    verticalAlignment = Alignment.Bottom
-                ) {
-                    Text(
-                        text = stringResource(id = R.string.gls_details_glucose_condensation_title),
-                        style = MaterialTheme.typography.bodyMedium,
-                        color = MaterialTheme.colorScheme.outline
-                    )
-                    Text(
-                        text = stringResource(
-                            id = R.string.gls_details_glucose_condensation_field,
-                            record.glucoseConcentration,
-                            record.unit.toDisplayString()
-                        ),
-                        style = MaterialTheme.typography.titleLarge
-                    )
+                record.glucoseConcentration?.let { glucoseConcentration ->
+                    record.unit?.let { unit ->
+                        Row(
+                            modifier = Modifier.fillMaxWidth(),
+                            horizontalArrangement = Arrangement.SpaceBetween,
+                            verticalAlignment = Alignment.Bottom
+                        ) {
+                            Text(
+                                text = stringResource(id = R.string.gls_details_glucose_condensation_title),
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.outline
+                            )
+                            Text(
+                                text = stringResource(
+                                    id = R.string.gls_details_glucose_condensation_field,
+                                    glucoseConcentration,
+                                    unit.toDisplayString()
+                                ),
+                                style = MaterialTheme.typography.titleLarge
+                            )
+                        }
+                    }
                }

                record.status?.let {
@@ -172,7 +177,7 @@ internal fun GLSDetailsContentView(record: GLSRecord) {
                    Spacer(modifier = Modifier.size(4.dp))
                }

-                record.context?.let {
+                context?.let {
                    Divider(
                        color = MaterialTheme.colorScheme.secondary,
                        thickness = 1.dp,
@@ -209,33 +214,42 @@ internal fun GLSDetailsContentView(record: GLSRecord) {
                        )
                        Spacer(modifier = Modifier.size(4.dp))
                    }
-                    Field(
-                        stringResource(id = R.string.gls_context_exercise_title),
-                        stringResource(
-                            id = R.string.gls_context_exercise_field,
-                            it.exerciseDuration,
-                            it.exerciseIntensity
+                    it.exerciseDuration?.let { exerciseDuration ->
+                        it.exerciseIntensity?.let { exerciseIntensity ->
+                            Field(
+                                stringResource(id = R.string.gls_context_exercise_title),
+                                stringResource(
+                                    id = R.string.gls_context_exercise_field,
+                                    exerciseDuration,
+                                    exerciseIntensity
+                                )
+                            )
+                        }
+                    }
+
+                    it.medicationUnit?.let { medicationUnit ->
+                        Spacer(modifier = Modifier.size(4.dp))
+                        val medicationField = String.format(
+                            stringResource(id = R.string.gls_context_medication_field),
+                            it.medicationQuantity,
+                            medicationUnit.toDisplayString(),
+                            it.medication?.toDisplayString()
                        )
-                    )
-                    Spacer(modifier = Modifier.size(4.dp))
+                        Field(
+                            stringResource(id = R.string.gls_context_medication_title),
+                            medicationField
+                        )
+                    }

-                    val medicationField = String.format(
-                        stringResource(id = R.string.gls_context_medication_field),
-                        it.medicationQuantity,
-                        it.medicationUnit.toDisplayString(),
-                        it.medication?.toDisplayString()
-                    )
-                    Field(
-                        stringResource(id = R.string.gls_context_medication_title),
-                        medicationField
-                    )
+                    it.HbA1c?.let { hbA1c ->
+                        Spacer(modifier = Modifier.size(4.dp))
+                        Field(
+                            stringResource(id = R.string.gls_context_hba1c_title),
+                            stringResource(id = R.string.gls_context_hba1c_field, hbA1c)
+                        )
+                    }

                    Spacer(modifier = Modifier.size(4.dp))
-                    Field(
-                        stringResource(id = R.string.gls_context_hba1c_title),
-                        stringResource(id = R.string.gls_context_hba1c_field, it.HbA1c)
-                    )
-                    Spacer(modifier = Modifier.size(4.dp))
                } ?: Field(
                    stringResource(id = R.string.gls_context_title),
                    stringResource(id = R.string.gls_unavailable)
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/details/view/GLSDetailsMappers.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/details/view/GLSDetailsMappers.kt
@@ -33,15 +33,15 @@ package no.nordicsemi.android.gls.details.view

 import androidx.compose.runtime.Composable
 import androidx.compose.ui.res.stringResource
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Carbohydrate
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Health
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Meal
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Medication
-import no.nordicsemi.android.ble.common.profile.glucose.GlucoseMeasurementContextCallback.Tester
 import no.nordicsemi.android.gls.R
-import no.nordicsemi.android.gls.data.ConcentrationUnit
-import no.nordicsemi.android.gls.data.MedicationUnit
-import no.nordicsemi.android.gls.data.SampleLocation
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.Carbohydrate
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.ConcentrationUnit
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.Health
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.Meal
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.Medication
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.MedicationUnit
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.SampleLocation
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.Tester

@Composable
 internal fun SampleLocation.toDisplayString(): String {
@@ -65,8 +65,8 @@ internal fun ConcentrationUnit.toDisplayString(): String {
@Composable
 internal fun MedicationUnit.toDisplayString(): String {
    return when (this) {
-        MedicationUnit.UNIT_KG -> stringResource(id = R.string.gls_sample_location_kg)
-        MedicationUnit.UNIT_L -> stringResource(id = R.string.gls_sample_location_l)
+        MedicationUnit.UNIT_MG -> stringResource(id = R.string.gls_sample_location_kg)
+        MedicationUnit.UNIT_ML -> stringResource(id = R.string.gls_sample_location_l)
    }
 }

--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/details/view/GLSDetailsScreen.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/details/view/GLSDetailsScreen.kt
@@ -50,6 +50,6 @@ internal fun GLSDetailsScreen() {
            viewModel.navigateBack()
        }

-        GLSDetailsContentView(record)
+        GLSDetailsContentView(record.first, record.second)
    }
 }
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSContentView.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSContentView.kt
@@ -58,10 +58,10 @@ import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import no.nordicsemi.android.gls.R
 import no.nordicsemi.android.gls.data.GLSServiceData
-import no.nordicsemi.android.gls.data.GLSRecord
-import no.nordicsemi.android.gls.data.RequestStatus
 import no.nordicsemi.android.gls.data.WorkingMode
 import no.nordicsemi.android.gls.main.viewmodel.GLSViewModel
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSRecord
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.RequestStatus
 import no.nordicsemi.android.ui.view.BatteryLevelView
 import no.nordicsemi.android.ui.view.ScreenSection
 import no.nordicsemi.android.ui.view.SectionTitle
@@ -139,7 +139,7 @@ private fun RecordsViewWithData(state: GLSServiceData) {

        Spacer(modifier = Modifier.height(16.dp))

-        state.records.forEachIndexed { i, it ->
+        state.records.keys.forEachIndexed { i, it ->
            RecordItem(it)

            if (i < state.records.size - 1) {
@@ -184,13 +184,12 @@ private fun RecordItem(record: GLSRecord) {
                    style = MaterialTheme.typography.bodySmall
                )

-                Text(
-                    text = glucoseConcentrationDisplayValue(
-                        record.glucoseConcentration,
-                        record.unit
-                    ),
-                    style = MaterialTheme.typography.labelLarge,
-                )
+                record.glucoseConcentration?.let { glucoseConcentration -> record.unit?.let { unit ->
+                    Text(
+                        text = glucoseConcentrationDisplayValue(glucoseConcentration, unit),
+                        style = MaterialTheme.typography.labelLarge,
+                    )
+                } }
            }
        }
    }
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSMapper.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSMapper.kt
@@ -34,9 +34,9 @@ package no.nordicsemi.android.gls.main.view
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.res.stringResource
 import no.nordicsemi.android.gls.R
-import no.nordicsemi.android.gls.data.ConcentrationUnit
-import no.nordicsemi.android.gls.data.RecordType
 import no.nordicsemi.android.gls.data.WorkingMode
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.ConcentrationUnit
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.RecordType

@Composable
 internal fun RecordType?.toDisplayString(): String {
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSScreen.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSScreen.kt
@@ -48,15 +48,7 @@ import no.nordicsemi.android.common.ui.scanner.view.DeviceDisconnectedView
 import no.nordicsemi.android.common.ui.scanner.view.Reason
 import no.nordicsemi.android.gls.R
 import no.nordicsemi.android.gls.main.viewmodel.GLSViewModel
-import no.nordicsemi.android.service.ConnectedResult
-import no.nordicsemi.android.service.ConnectingResult
-import no.nordicsemi.android.service.DeviceHolder
-import no.nordicsemi.android.service.DisconnectedResult
-import no.nordicsemi.android.service.IdleResult
-import no.nordicsemi.android.service.LinkLossResult
-import no.nordicsemi.android.service.MissingServiceResult
-import no.nordicsemi.android.service.SuccessResult
-import no.nordicsemi.android.service.UnknownErrorResult
+import no.nordicsemi.android.kotlin.ble.core.data.GattConnectionState
 import no.nordicsemi.android.ui.view.BackIconAppBar
 import no.nordicsemi.android.ui.view.LoggerIconAppBar
 import no.nordicsemi.android.ui.view.NavigateUpButton
@@ -78,19 +70,15 @@ fun GLSScreen() {
                .padding(16.dp)
                .verticalScroll(rememberScrollState())
        ) {
-            when (state) {
-                NoDeviceState -> DeviceConnectingView()
-                is WorkingState -> when (state.result) {
-                    is IdleResult,
-                    is ConnectingResult -> DeviceConnectingView { NavigateUpButton(navigateUp) }
-                    is ConnectedResult -> DeviceConnectingView { NavigateUpButton(navigateUp) }
-                    is DisconnectedResult -> DeviceDisconnectedView(Reason.USER) { NavigateUpButton(navigateUp) }
-                    is LinkLossResult -> DeviceDisconnectedView(Reason.LINK_LOSS) { NavigateUpButton(navigateUp) }
-                    is MissingServiceResult -> DeviceDisconnectedView(Reason.MISSING_SERVICE) {
-                        NavigateUpButton(navigateUp)
-                    }
-                    is UnknownErrorResult -> DeviceDisconnectedView(Reason.UNKNOWN) { NavigateUpButton(navigateUp) }
-                    is SuccessResult -> GLSContentView(state.result.data) { viewModel.onEvent(it) }
+            if (state.deviceName == null) {
+                DeviceConnectingView()
+            } else {
+                when (state.glsServiceData.connectionState) {
+                    null,
+                    GattConnectionState.STATE_CONNECTING -> DeviceConnectingView { NavigateUpButton(navigateUp) }
+                    GattConnectionState.STATE_DISCONNECTED,
+                    GattConnectionState.STATE_DISCONNECTING -> DeviceDisconnectedView(Reason.UNKNOWN) { NavigateUpButton(navigateUp) }
+                    GattConnectionState.STATE_CONNECTED -> GLSContentView(state.glsServiceData) { viewModel.onEvent(it) }
                }
            }
        }
@@ -99,14 +87,10 @@ fun GLSScreen() {

@Composable
 private fun AppBar(state: GLSViewState, navigateUp: () -> Unit, viewModel: GLSViewModel) {
-    val toolbarName = (state as? WorkingState)?.let {
-        (it.result as? DeviceHolder)?.deviceName()
-    }
-
-    if (toolbarName == null) {
+    if (state.deviceName == null) {
        BackIconAppBar(stringResource(id = R.string.gls_title), navigateUp)
    } else {
-        LoggerIconAppBar(toolbarName, {
+        LoggerIconAppBar(state.deviceName, {
            viewModel.onEvent(DisconnectEvent)
        }, { viewModel.onEvent(DisconnectEvent) }) {
            viewModel.onEvent(OpenLoggerEvent)
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSScreenViewEvent.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSScreenViewEvent.kt
@@ -31,8 +31,8 @@

 package no.nordicsemi.android.gls.main.view

-import no.nordicsemi.android.gls.data.GLSRecord
 import no.nordicsemi.android.gls.data.WorkingMode
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSRecord

 internal sealed class GLSScreenViewEvent

--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSState.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/main/view/GLSState.kt
@@ -32,13 +32,20 @@
 package no.nordicsemi.android.gls.main.view

 import no.nordicsemi.android.gls.data.GLSServiceData
-import no.nordicsemi.android.gls.data.RequestStatus
+import no.nordicsemi.android.kotlin.ble.core.data.GattConnectionState
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSMeasurementContext
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSRecord
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.RequestStatus

 internal data class GLSViewState(
    val glsServiceData: GLSServiceData = GLSServiceData(),
    val deviceName: String? = null
 ) {

+    fun copyWithNewConnectionState(connectionState: GattConnectionState): GLSViewState {
+        return copy(glsServiceData = glsServiceData.copy(connectionState = connectionState))
+    }
+
    fun copyAndClear(): GLSViewState {
        return copy(glsServiceData = glsServiceData.copy(records = mapOf(), requestStatus = RequestStatus.IDLE))
    }
@@ -46,4 +53,24 @@ internal data class GLSViewState(
    fun copyWithNewRequestStatus(requestStatus: RequestStatus): GLSViewState {
        return copy(glsServiceData = glsServiceData.copy(requestStatus = requestStatus))
    }
+
+    fun copyWithNewBatteryLevel(batteryLevel: Int): GLSViewState {
+        return copy(glsServiceData = glsServiceData.copy(batteryLevel = batteryLevel))
+    }
+
+    //todo optimise
+    fun copyWithNewRecord(record: GLSRecord): GLSViewState {
+        val records = glsServiceData.records.toMutableMap()
+        records[record] = null
+        return copy(glsServiceData = glsServiceData.copy(records = records.toMap()))
+    }
+
+    //todo optimise
+    fun copyWithNewContext(context: GLSMeasurementContext): GLSViewState {
+        val records = glsServiceData.records.toMutableMap()
+        return records.keys.firstOrNull { it.sequenceNumber == context.sequenceNumber }?.let {
+            records[it] = context
+            copy(glsServiceData = glsServiceData.copy(records = records.toMap()))
+        } ?: this
+    }
 }
--- a/profile_gls/src/main/java/no/nordicsemi/android/gls/main/viewmodel/GLSViewModel.kt
+++ b/profile_gls/src/main/java/no/nordicsemi/android/gls/main/viewmodel/GLSViewModel.kt
@@ -48,13 +48,9 @@ import kotlinx.coroutines.launch
 import no.nordicsemi.android.analytics.AppAnalytics
 import no.nordicsemi.android.analytics.Profile
 import no.nordicsemi.android.analytics.ProfileConnectedEvent
-import no.nordicsemi.android.ble.common.callback.RecordAccessControlPointDataCallback
-import no.nordicsemi.android.ble.common.callback.RecordAccessControlPointResponse
 import no.nordicsemi.android.common.navigation.NavigationResult
 import no.nordicsemi.android.common.navigation.Navigator
 import no.nordicsemi.android.gls.GlsDetailsDestinationId
-import no.nordicsemi.android.gls.data.GLS_SERVICE_UUID
-import no.nordicsemi.android.gls.data.RequestStatus
 import no.nordicsemi.android.gls.data.WorkingMode
 import no.nordicsemi.android.gls.main.view.DisconnectEvent
 import no.nordicsemi.android.gls.main.view.GLSScreenViewEvent
@@ -72,10 +68,13 @@ import no.nordicsemi.android.kotlin.ble.profile.gls.GlucoseMeasurementContextPar
 import no.nordicsemi.android.kotlin.ble.profile.gls.GlucoseMeasurementParser
 import no.nordicsemi.android.kotlin.ble.profile.gls.RecordAccessControlPointInputParser
 import no.nordicsemi.android.kotlin.ble.profile.gls.RecordAccessControlPointParser
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.GLSRecord
 import no.nordicsemi.android.kotlin.ble.profile.gls.data.NumberOfRecordsData
 import no.nordicsemi.android.kotlin.ble.profile.gls.data.RecordAccessControlPointData
+import no.nordicsemi.android.kotlin.ble.profile.gls.data.RequestStatus
 import no.nordicsemi.android.kotlin.ble.profile.gls.data.ResponseData
-import no.nordicsemi.android.service.ConnectedResult
+import no.nordicsemi.android.kotlin.ble.profile.racp.RACPOpCode
+import no.nordicsemi.android.kotlin.ble.profile.racp.RACPResponseCode
 import no.nordicsemi.android.toolbox.scanner.ScannerDestinationId
 import java.util.*
 import javax.inject.Inject
@@ -102,12 +101,14 @@ internal class GLSViewModel @Inject constructor(
    private lateinit var client: BleGattClient

    private lateinit var glucoseMeasurementCharacteristic: BleGattCharacteristic
-    private lateinit var glucoseMeasurementContextCharacteristic: BleGattCharacteristic
    private lateinit var recordAccessControlPointCharacteristic: BleGattCharacteristic

    private val _state = MutableStateFlow(GLSViewState())
    val state = _state.asStateFlow()

+    private val highestSequenceNumber
+        get() = state.value.glsServiceData.records.keys.maxByOrNull { it.sequenceNumber }?.sequenceNumber ?: -1
+
    init {
        navigationManager.navigateTo(ScannerDestinationId, ParcelUuid(GLS_SERVICE_UUID))

@@ -125,16 +126,20 @@ internal class GLSViewModel @Inject constructor(

    fun onEvent(event: GLSScreenViewEvent) {
        when (event) {
-            OpenLoggerEvent -> repository.openLogger()
+            OpenLoggerEvent -> TODO()
            DisconnectEvent -> navigationManager.navigateUp()
-            is OnWorkingModeSelected -> repository.requestMode(event.workingMode)
-            is OnGLSRecordClick -> navigationManager.navigateTo(GlsDetailsDestinationId, event.record)
+            is OnWorkingModeSelected -> onEvent(event)
+            is OnGLSRecordClick -> navigateToDetails(event.record)
            DisconnectEvent -> navigationManager.navigateUp()
        }
    }

+    private fun navigateToDetails(record: GLSRecord) {
+        val context = state.value.glsServiceData.records[record]
+        navigationManager.navigateTo(GlsDetailsDestinationId, record to context)
+    }
+
    private fun onDeviceSelected(device: ServerDevice) {
-        _state.value = _state.value.copy(deviceName = device.name)
        startGattClient(device)
    }

@@ -146,100 +151,98 @@ internal class GLSViewModel @Inject constructor(
        }
    }

-    private fun connectDevice(device: ServerDevice) {
-        repository.downloadData(viewModelScope, device).onEach {
-            _state.value = WorkingState(it)
-
-            (it as? ConnectedResult)?.let {
-                analytics.logEvent(ProfileConnectedEvent(Profile.GLS))
-            }
-        }.launchIn(viewModelScope)
-    }
-
-    private fun startGattClient(blinkyDevice: ServerDevice) = viewModelScope.launch {
-        client = blinkyDevice.connect(context)
+    private fun startGattClient(device: ServerDevice) = viewModelScope.launch {
+        client = device.connect(context)

        client.connectionState
-            .onEach { _state.value = _state.value.copy() }
            .filterNotNull()
+            .onEach { _state.value = _state.value.copyWithNewConnectionState(it) }
            .onEach { stopIfDisconnected(it) }
+            .onEach { logAnalytics(it) }
            .launchIn(viewModelScope)

        client.services
            .filterNotNull()
-            .onEach { configureGatt(it) }
+            .onEach { configureGatt(it, device) }
            .launchIn(viewModelScope)
    }

-    private suspend fun configureGatt(services: BleGattServices) {
+    private fun logAnalytics(connectionState: GattConnectionState) {
+        if (connectionState == GattConnectionState.STATE_CONNECTED) {
+            analytics.logEvent(ProfileConnectedEvent(Profile.GLS))
+        }
+    }
+
+    private suspend fun configureGatt(services: BleGattServices, device: ServerDevice) {
        val glsService = services.findService(GLS_SERVICE_UUID)!!
        glucoseMeasurementCharacteristic = glsService.findCharacteristic(GM_CHARACTERISTIC)!!
-        glucoseMeasurementContextCharacteristic = glsService.findCharacteristic(GM_CONTEXT_CHARACTERISTIC)!!
        recordAccessControlPointCharacteristic = glsService.findCharacteristic(RACP_CHARACTERISTIC)!!
        val batteryService = services.findService(BATTERY_SERVICE_UUID)!!
        val batteryLevelCharacteristic = batteryService.findCharacteristic(BATTERY_LEVEL_CHARACTERISTIC_UUID)!!

        batteryLevelCharacteristic.getNotifications()
            .mapNotNull { BatteryLevelParser.parse(it) }
-            .onEach { repository.onBatteryLevelChanged(it) }
+            .onEach { _state.value = _state.value.copyWithNewBatteryLevel(it) }
            .launchIn(viewModelScope)

        glucoseMeasurementCharacteristic.getNotifications()
            .mapNotNull { GlucoseMeasurementParser.parse(it) }
-            .onEach {  }
+            .onEach { _state.value = _state.value.copyWithNewRecord(it) }
            .launchIn(viewModelScope)

-        glucoseMeasurementContextCharacteristic.getNotifications()
-            .mapNotNull { GlucoseMeasurementContextParser.parse(it) }
-            .onEach {  }
-            .launchIn(viewModelScope)
+        glsService.findCharacteristic(GM_CONTEXT_CHARACTERISTIC)?.getNotifications()
+            ?.mapNotNull { GlucoseMeasurementContextParser.parse(it) }
+            ?.onEach { _state.value = _state.value.copyWithNewContext(it) }
+            ?.launchIn(viewModelScope)

        recordAccessControlPointCharacteristic.getNotifications()
            .mapNotNull { RecordAccessControlPointParser.parse(it) }
            .onEach { onAccessControlPointDataReceived(it) }
            .launchIn(viewModelScope)
+
+        _state.value = _state.value.copy(deviceName = device.name)
    }

    private fun stopIfDisconnected(connectionState: GattConnectionState) {
        if (connectionState == GattConnectionState.STATE_DISCONNECTED) {
-            stopSelf()
+            navigationManager.navigateUp()
        }
    }

-    private fun onAccessControlPointDataReceived(data: RecordAccessControlPointData) {
+    private fun onAccessControlPointDataReceived(data: RecordAccessControlPointData) = viewModelScope.launch {
        when (data) {
-            is NumberOfRecordsData -> if ()
-            is ResponseData -> TODO()
-        }
-        if (it.isOperationCompleted && it.wereRecordsFound() && it.numberOfRecords > 0) {
-            onNumberOfRecordsReceived(it)
-        } else if (it.isOperationCompleted && it.wereRecordsFound() && it.numberOfRecords == 0) {
-            onRecordAccessOperationCompletedWithNoRecordsFound(it)
-        } else if (it.isOperationCompleted && it.wereRecordsFound()) {
-            onRecordAccessOperationCompleted(it)
-        } else if (it.errorCode > 0) {
-            onRecordAccessOperationError(it)
+            is NumberOfRecordsData -> onNumberOfRecordsReceived(data.numberOfRecords)
+            is ResponseData -> when (data.responseCode) {
+                RACPResponseCode.RACP_RESPONSE_SUCCESS -> onRecordAccessOperationCompleted(data.requestCode)
+                RACPResponseCode.RACP_ERROR_NO_RECORDS_FOUND -> onRecordAccessOperationCompletedWithNoRecordsFound()
+                RACPResponseCode.RACP_ERROR_OP_CODE_NOT_SUPPORTED,
+                RACPResponseCode.RACP_ERROR_INVALID_OPERATOR,
+                RACPResponseCode.RACP_ERROR_OPERATOR_NOT_SUPPORTED,
+                RACPResponseCode.RACP_ERROR_INVALID_OPERAND,
+                RACPResponseCode.RACP_ERROR_ABORT_UNSUCCESSFUL,
+                RACPResponseCode.RACP_ERROR_PROCEDURE_NOT_COMPLETED,
+                RACPResponseCode.RACP_ERROR_OPERAND_NOT_SUPPORTED -> onRecordAccessOperationError(data.responseCode)
+            }
        }
    }

-    private fun onRecordAccessOperationCompleted(response: RecordAccessControlPointResponse) {
-        val status = when (response.requestCode) {
-            RecordAccessControlPointDataCallback.RACP_OP_CODE_ABORT_OPERATION -> RequestStatus.ABORTED
+    private fun onRecordAccessOperationCompleted(requestCode: RACPOpCode) {
+        val status = when (requestCode) {
+            RACPOpCode.RACP_OP_CODE_ABORT_OPERATION -> RequestStatus.ABORTED
            else -> RequestStatus.SUCCESS
        }
        _state.value = _state.value.copyWithNewRequestStatus(status)
    }

-    private fun onRecordAccessOperationCompletedWithNoRecordsFound(response: RecordAccessControlPointResponse) {
+    private fun onRecordAccessOperationCompletedWithNoRecordsFound() {
        _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.SUCCESS)
    }

-    private suspend fun onNumberOfRecordsReceived(response: RecordAccessControlPointResponse) {
-        if (response.numberOfRecords > 0) {
-            if (data.value.records.isNotEmpty()) {
-                val sequenceNumber = data.value.records.last().sequenceNumber + 1
+    private suspend fun onNumberOfRecordsReceived(numberOfRecords: Int) {
+        if (numberOfRecords > 0) {
+            if (state.value.glsServiceData.records.isNotEmpty()) {
                recordAccessControlPointCharacteristic.write(
-                    RecordAccessControlPointInputParser.reportStoredRecordsGreaterThenOrEqualTo(sequenceNumber).value
+                    RecordAccessControlPointInputParser.reportStoredRecordsGreaterThenOrEqualTo(highestSequenceNumber).value
                )
            } else {
                recordAccessControlPointCharacteristic.write(
@@ -250,8 +253,8 @@ internal class GLSViewModel @Inject constructor(
        _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.SUCCESS)
    }

-    private fun onRecordAccessOperationError(response: RecordAccessControlPointResponse) {
-        if (response.errorCode == RecordAccessControlPointDataCallback.RACP_ERROR_OP_CODE_NOT_SUPPORTED) {
+    private fun onRecordAccessOperationError(response: RACPResponseCode) {
+        if (response == RACPResponseCode.RACP_ERROR_OP_CODE_NOT_SUPPORTED) {
            _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.NOT_SUPPORTED)
        } else {
            _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.FAILED)
@@ -262,21 +265,21 @@ internal class GLSViewModel @Inject constructor(
        _state.value = _state.value.copyAndClear()
    }

-    suspend fun requestLastRecord() {
+    private suspend fun requestLastRecord() {
+        clear()
+        _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.PENDING)
        recordAccessControlPointCharacteristic.write(RecordAccessControlPointInputParser.reportLastStoredRecord().value)
-        clear()
-        _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.PENDING)
    }

-    suspend fun requestFirstRecord() {
+    private suspend fun requestFirstRecord() {
+        clear()
+        _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.PENDING)
        recordAccessControlPointCharacteristic.write(RecordAccessControlPointInputParser.reportFirstStoredRecord().value)
-        clear()
-        _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.PENDING)
    }

-    suspend fun requestAllRecords() {
-        recordAccessControlPointCharacteristic.write(RecordAccessControlPointInputParser.reportNumberOfAllStoredRecords().value)
+    private suspend fun requestAllRecords() {
        clear()
        _state.value = _state.value.copyWithNewRequestStatus(RequestStatus.PENDING)
+        recordAccessControlPointCharacteristic.write(RecordAccessControlPointInputParser.reportNumberOfAllStoredRecords().value)
    }
 }
--- a/profile_hrs/src/main/java/no/nordicsemi/android/hrs/service/HRSService.kt
+++ b/profile_hrs/src/main/java/no/nordicsemi/android/hrs/service/HRSService.kt
@@ -82,8 +82,8 @@ internal class HRSService : NotificationService() {
        return START_REDELIVER_INTENT
    }

-    private fun startGattClient(blinkyDevice: ServerDevice) = lifecycleScope.launch {
-        client = blinkyDevice.connect(this@HRSService)
+    private fun startGattClient(device: ServerDevice) = lifecycleScope.launch {
+        client = device.connect(this@HRSService)

        client.connectionState
            .onEach { repository.onConnectionStateChanged(it) }
--- a/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSService.kt
+++ b/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSService.kt
@@ -80,8 +80,8 @@ internal class HTSService : NotificationService() {
        return START_REDELIVER_INTENT
    }

-    private fun startGattClient(blinkyDevice: ServerDevice) = lifecycleScope.launch {
-        client = blinkyDevice.connect(this@HTSService)
+    private fun startGattClient(device: ServerDevice) = lifecycleScope.launch {
+        client = device.connect(this@HTSService)

        client.connectionState
            .onEach { repository.onConnectionStateChanged(it) }
--- a/profile_rscs/src/main/java/no/nordicsemi/android/rscs/repository/RSCSService.kt
+++ b/profile_rscs/src/main/java/no/nordicsemi/android/rscs/repository/RSCSService.kt
@@ -80,8 +80,8 @@ internal class RSCSService : NotificationService() {
        return START_REDELIVER_INTENT
    }

-    private fun startGattClient(blinkyDevice: ServerDevice) = lifecycleScope.launch {
-        client = blinkyDevice.connect(this@RSCSService)
+    private fun startGattClient(device: ServerDevice) = lifecycleScope.launch {
+        client = device.connect(this@RSCSService)

        client.connectionState
            .onEach { repository.onConnectionStateChanged(it) }