Implemented EclipsedIndicator and MapScroll on select

app/src/main/java/com/rtbishop/look4sat/presentation/map/MapScreen.kt

@@ -20,6 +20,7 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
@@ -82,19 +83,20 @@ fun NavGraphBuilder.mapDestination() {
     composable(Screen.Map.route) {
         val viewModel = viewModel(MapViewModel::class.java, factory = MapViewModel.Factory)
         val uiState = viewModel.uiState.collectAsStateWithLifecycle()
-        MapScreen(uiState)
+        val mapView = rememberMapViewWithLifecycle()
+        MapScreen(uiState, mapView)
     }
 }
 
 @Composable
-private fun MapScreen(uiState: State<MapState>) {
+private fun MapScreen(uiState: State<MapState>, mapView: MapView) {
     val onItemClick = { item: OrbitalObject -> uiState.value.sendAction(MapAction.SelectItem(item)) }
     val selectPrev = { uiState.value.sendAction(MapAction.SelectPrev) }
     val selectNext = { uiState.value.sendAction(MapAction.SelectNext) }
     val rotateMod = Modifier.rotate(180f)
     val timeString = uiState.value.mapData?.aosTime ?: "00:00:00"
     val isTimeAos = uiState.value.mapData?.isTimeAos ?: true
-    val osmInfo = "Wikimedia maps | Map data © OpenStreetMap contributors"
+    val osmInfo = "© OpenStreetMap contributors"
     Column(modifier = Modifier.padding(6.dp), verticalArrangement = Arrangement.spacedBy(6.dp)) {
         TimerRow {
             CardIcon(onClick = selectPrev, iconId = R.drawable.ic_arrow, modifier = rotateMod)
@@ -104,7 +106,12 @@ private fun MapScreen(uiState: State<MapState>) {
         NextPassRow(pass = uiState.value.orbitalPass)
         ElevatedCard(modifier = Modifier.weight(1f)) {
             Box(contentAlignment = Alignment.BottomCenter) {
-                MapView(isLightUi = uiState.value.isLightUi) { mapView ->
+                LaunchedEffect(uiState.value.track) {
+                    val latitude = uiState.value.track?.get(0)?.get(0)?.latitude ?: 0.0
+                    val longitude = uiState.value.track?.get(0)?.get(0)?.longitude ?: 0.0
+                    mapView.controller.animateTo(GeoPoint(latitude, longitude))
+                }
+                AndroidView({ mapView }) { mapView ->
                     uiState.value.stationPosition?.let { setStationPosition(it, mapView) }
                     uiState.value.positions?.let { setPositions(it, mapView, onItemClick) }
                     uiState.value.track?.let { setSatelliteTrack(it, mapView) }
@@ -207,7 +214,6 @@ private fun getCustomTextIcon(textLabel: String, mapView: MapView): Drawable {
 }
 
 private fun setSatelliteTrack(satTrack: List<List<GeoPos>>, mapView: MapView) {
-//    val center = GeoPoint(satTrack[0][0].lat, satTrack[0][0].lon)
     val trackOverlay = FolderOverlay()
     try {
         satTrack.forEach { track ->
@@ -222,7 +228,6 @@ private fun setSatelliteTrack(satTrack: List<List<GeoPos>>, mapView: MapView) {
     } catch (exception: Exception) {
         println(exception)
     }
-//    mapView.controller.animateTo(center)
 }
 
 private fun setFootprint(orbitalPos: OrbitalPos, mapView: MapView) {
@@ -239,17 +244,7 @@ private fun setFootprint(orbitalPos: OrbitalPos, mapView: MapView) {
 }
 
 @Composable
-private fun MapView(
-    modifier: Modifier = Modifier,
-    isLightUi: Boolean,
-    update: ((map: MapView) -> Unit)? = null
-) {
-    val mapView = rememberMapViewWithLifecycle(isLightUi)
-    AndroidView({ mapView }, modifier) { update?.invoke(it) }
-}
-
-@Composable
-private fun rememberMapViewWithLifecycle(isLightTheme: Boolean): MapView {
+private fun rememberMapViewWithLifecycle(): MapView {
     val tileSource = XYTileSource("tiles", 0, 6, 256, ".webp", emptyArray<String>())
     val context = LocalContext.current
     val mapView = remember { MapView(context) }.apply {
@@ -263,7 +258,7 @@ private fun rememberMapViewWithLifecycle(isLightTheme: Boolean): MapView {
         zoomController.setVisibility(CustomZoomButtonsController.Visibility.NEVER)
         overlayManager.tilesOverlay.loadingBackgroundColor = Color.TRANSPARENT
         overlayManager.tilesOverlay.loadingLineColor = Color.TRANSPARENT
-        overlayManager.tilesOverlay.setColorFilter(getColorFilter(isLightTheme))
+        overlayManager.tilesOverlay.setColorFilter(getColorFilter())
         setScrollableAreaLimitLatitude(maxLat, minLat, 0)
         // add overlays: 0 - GSP, 1 - SatTrack, 2 - SatFootprint, 3 - SatIcons
         overlays.addAll(Array(4) { FolderOverlay() })
@@ -290,13 +285,13 @@ private fun rememberMapViewLifecycleObserver(mapView: MapView) = remember(mapVie
 }
 
 @Composable
-private fun getColorFilter(isLightTheme: Boolean): ColorMatrixColorFilter {
+private fun getColorFilter(): ColorMatrixColorFilter {
     val grayScale = ColorMatrix().apply { setSaturation(0f) }
     val negative = ColorMatrix(
         floatArrayOf(-1f, 0f, 0f, 0f, 260f, 0f, -1f, 0f, 0f, 260f, 0f, 0f, -1f, 0f, 260f, 0f, 0f, 0f, 1f, 0f)
     )
     negative.preConcat(grayScale)
-    return if (isLightTheme) ColorMatrixColorFilter(grayScale) else ColorMatrixColorFilter(negative)
+    return ColorMatrixColorFilter(negative)
 }
 
 private fun getMinZoom(screenHeight: Int): Double {

app/src/main/java/com/rtbishop/look4sat/presentation/passes/PassesScreen.kt

@@ -33,6 +33,7 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavGraphBuilder
 import androidx.navigation.compose.composable
@@ -60,7 +61,7 @@ fun NavGraphBuilder.passesDestination(navigateToRadar: (Int, Long) -> Unit) {
             modelClass = PassesViewModel::class.java,
             factory = PassesViewModel.Factory
         )
-        val uiState = viewModel.uiState.value
+        val uiState = viewModel.uiState.collectAsStateWithLifecycle().value
         PassesScreen(uiState, navigateToRadar)
     }
 }

app/src/main/java/com/rtbishop/look4sat/presentation/passes/PassesViewModel.kt

@@ -17,8 +17,6 @@
  */
 package com.rtbishop.look4sat.presentation.passes
 
-import androidx.compose.runtime.State
-import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewModelScope
@@ -34,6 +32,9 @@ import com.rtbishop.look4sat.presentation.components.getDefaultPass
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.cancelAndJoin
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 
@@ -41,7 +42,7 @@ class PassesViewModel(
     private val satelliteRepo: ISatelliteRepo, private val settingsRepo: ISettingsRepo
 ) : ViewModel() {
 
-    private val _uiState = mutableStateOf(
+    private val _uiState = MutableStateFlow(
         PassesState(
             isPassesDialogShown = false,
             isRadiosDialogShown = false,
@@ -58,7 +59,7 @@ class PassesViewModel(
         )
     )
     private var processing: Job? = null
-    val uiState: State<PassesState> = _uiState
+    val uiState: StateFlow<PassesState> = _uiState
 
     init {
         viewModelScope.launch {
@@ -69,7 +70,7 @@ class PassesViewModel(
                         val timeNow = System.currentTimeMillis()
                         val newPasses = satelliteRepo.processPasses(passes, timeNow)
                         setPassInfo(newPasses, timeNow)
-                        _uiState.value = _uiState.value.copy(isRefreshing = false, itemsList = newPasses)
+                        _uiState.update { it.copy(isRefreshing = false, itemsList = newPasses) }
                         delay(1000)
                     }
                 }
@@ -88,15 +89,15 @@ class PassesViewModel(
     }
 
     private fun applyFilter(hoursAhead: Int, minElevation: Double, modes: List<String>) = viewModelScope.launch {
-        _uiState.value = _uiState.value.copy(isRefreshing = true)
+        _uiState.update { it.copy(isRefreshing = true) }
         processing?.cancelAndJoin()
         settingsRepo.setPassesSettings(PassesSettings(hoursAhead, minElevation, modes))
-        _uiState.value = _uiState.value.copy(hours = hoursAhead, elevation = minElevation, modes = modes)
+        _uiState.update { it.copy(hours = hoursAhead, elevation = minElevation, modes = modes) }
         satelliteRepo.calculatePasses(System.currentTimeMillis(), hoursAhead, minElevation, modes)
     }
 
     private fun refreshPasses() = viewModelScope.launch {
-        _uiState.value = _uiState.value.copy(isRefreshing = true)
+        _uiState.update { it.copy(isRefreshing = true) }
         processing?.cancelAndJoin()
         val (hoursAhead, minElevation, modes) = settingsRepo.passesSettings.value
         satelliteRepo.calculatePasses(System.currentTimeMillis(), hoursAhead, minElevation, modes)
@@ -107,22 +108,22 @@ class PassesViewModel(
         try {
             val nextPass = passes.first { it.aosTime.minus(timeNow) > 0 }
             val time = nextPass.aosTime.minus(timeNow).toTimerString()
-            _uiState.value = _uiState.value.copy(nextPass = nextPass, nextTime = time, isNextTimeAos = true)
+            _uiState.update { it.copy(nextPass = nextPass, nextTime = time, isNextTimeAos = true) }
         } catch (exception: NoSuchElementException) {
             val lastPass = passes.last()
             val time = lastPass.losTime.minus(timeNow).toTimerString()
-            _uiState.value = _uiState.value.copy(nextPass = lastPass, nextTime = time, isNextTimeAos = false)
+            _uiState.update { it.copy(nextPass = lastPass, nextTime = time, isNextTimeAos = false) }
         }
     }
 
     private fun toggleFilterDialog() {
         val currentDialogState = _uiState.value.isPassesDialogShown
-        _uiState.value = _uiState.value.copy(isPassesDialogShown = currentDialogState.not())
+        _uiState.update { it.copy(isPassesDialogShown = currentDialogState.not()) }
     }
 
     private fun toggleRadiosDialog() {
         val currentDialogState = _uiState.value.isRadiosDialogShown
-        _uiState.value = _uiState.value.copy(isRadiosDialogShown = currentDialogState.not())
+        _uiState.update { it.copy(isRadiosDialogShown = currentDialogState.not()) }
     }
 
     companion object {

app/src/main/java/com/rtbishop/look4sat/presentation/radar/RadarScreen.kt

@@ -15,10 +15,13 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.RowScope
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.aspectRatio
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.ElevatedCard
@@ -101,7 +104,8 @@ private fun RadarScreen(uiState: RadarState, navigateBack: () -> Unit) {
                     }
                     Column(
                         verticalArrangement = Arrangement.SpaceBetween,
-                        modifier = Modifier.fillMaxSize()
+                        modifier = Modifier
+                            .fillMaxSize()
                             .padding(horizontal = 6.dp, vertical = 4.dp)
                     ) {
                         Row(
@@ -135,34 +139,35 @@ private fun RadarScreen(uiState: RadarState, navigateBack: () -> Unit) {
                             )
                         }
                     }
-                    if (uiState.orbitalPos.eclipsed) {
-                        val infiniteTransition = rememberInfiniteTransition()
-                        val textAlpha = infiniteTransition.animateFloat(
-                            initialValue = 1.0f,
-                            targetValue = 0.0f,
-                            animationSpec = infiniteRepeatable(
-                            animation = tween(
-                                durationMillis = 500,
-                                delayMillis = 25,
-                                easing = LinearEasing
-                            ),
-                            repeatMode = RepeatMode.Reverse
-                        ))
-                        Text(
-                            text = "Eclipsed!",
-                            fontSize = 18.sp,
-                            fontWeight = FontWeight.Medium,
-                            color = MaterialTheme.colorScheme.primary,
-                            modifier = Modifier
-                                .alpha(textAlpha.value)
-                                .border(2.dp, MaterialTheme.colorScheme.primary, MaterialTheme.shapes.medium)
-                                .padding(16.dp)
-                        )
-                    }
                 }
             }
             ElevatedCard(modifier = Modifier.fillMaxSize()) {
-                TransmittersList(transmitters = uiState.transmitters)
+                if (uiState.transmitters.isEmpty()) {
+                    Column(
+                        modifier = Modifier.fillMaxSize(),
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        verticalArrangement = Arrangement.Center
+                    ) {
+                        Icon(
+                            painter = painterResource(R.drawable.ic_satellite),
+                            contentDescription = null,
+                            modifier = Modifier.size(64.dp)
+                        )
+                        Spacer(modifier = Modifier.height(16.dp))
+                        Text(
+                            text = "This satellite doesn't have any known transcievers...",
+                            textAlign = TextAlign.Center,
+                            fontSize = 18.sp
+                        )
+                    }
+                } else {
+                    Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+                        TransmittersList(transmitters = uiState.transmitters)
+                        if (uiState.orbitalPos?.eclipsed == true) {
+                            EclipsedIndicator()
+                        }
+                    }
+                }
             }
         }
     }
@@ -207,6 +212,42 @@ private fun TransmitterItemPreview() {
     MainTheme { TransmitterItem(transmitter) }
 }
 
+@Composable
+private fun EclipsedIndicator() {
+    val bgColor = MaterialTheme.colorScheme.primary
+    val bgShape = MaterialTheme.shapes.medium
+    val infiniteTransition = rememberInfiniteTransition()
+    val textAlpha = infiniteTransition.animateFloat(
+        initialValue = 1.0f,
+        targetValue = 0.0f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(
+                durationMillis = 1000,
+                delayMillis = 25,
+                easing = LinearEasing
+            ),
+            repeatMode = RepeatMode.Reverse
+        )
+    )
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .alpha(textAlpha.value)
+            .border(width = 2.dp, color = bgColor, shape = bgShape),
+        contentAlignment = Alignment.Center
+    ) {
+        Text(
+            text = "Eclipsed!",
+            fontSize = 18.sp,
+            fontWeight = FontWeight.Medium,
+            color = MaterialTheme.colorScheme.background,
+            modifier = Modifier
+                .background(color = bgColor, shape = bgShape)
+                .padding(12.dp)
+        )
+    }
+}
+
 @Composable
 private fun TransmitterItem(radio: SatRadio) {
     Surface(color = MaterialTheme.colorScheme.background) {
@@ -224,7 +265,9 @@ private fun TransmitterItem(radio: SatRadio) {
                     Icon(
                         painter = painterResource(id = R.drawable.ic_arrow),
                         tint = Color.Green,
-                        contentDescription = null, modifier = Modifier.rotate(90f).weight(0.15f)
+                        contentDescription = null, modifier = Modifier
+                            .rotate(90f)
+                            .weight(0.15f)
                     )
                     Text(
                         text = if (radio.isInverted) "INVERTED: ${radio.info} " else "${radio.info} ",
@@ -239,7 +282,9 @@ private fun TransmitterItem(radio: SatRadio) {
                     Icon(
                         painter = painterResource(id = R.drawable.ic_arrow),
                         tint = Color.Red,
-                        contentDescription = null, modifier = Modifier.rotate(-90f).weight(0.15f)
+                        contentDescription = null, modifier = Modifier
+                            .rotate(-90f)
+                            .weight(0.15f)
                     )
                 }
                 FrequencyRow(satRadio = radio)

app/src/main/java/com/rtbishop/look4sat/presentation/settings/SettingsScreen.kt

@@ -32,6 +32,7 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavGraphBuilder
 import androidx.navigation.compose.composable
@@ -43,6 +44,7 @@ import com.rtbishop.look4sat.presentation.Screen
 import com.rtbishop.look4sat.presentation.components.CardButton
 import com.rtbishop.look4sat.presentation.components.gotoUrl
 import com.rtbishop.look4sat.presentation.components.showToast
+import org.osmdroid.library.BuildConfig
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -88,7 +90,7 @@ private fun SettingsScreen() {
     }
 
     // Position settings
-    val positionSettings = viewModel.positionSettings.value
+    val positionSettings = viewModel.positionSettings.collectAsStateWithLifecycle().value
     val stationPos = positionSettings.stationPos
     val setGpsPos = { locationRequest.launch(arrayOf(locationPermCoarse, locationPermFine)) }
     val setGeoPos = { lat: Double, lon: Double -> viewModel.setGeoPosition(lat, lon) }
@@ -106,13 +108,13 @@ private fun SettingsScreen() {
     }
 
     // Data settings
-    val dataSettings = viewModel.dataSettings.value
+    val dataSettings = viewModel.dataSettings.collectAsStateWithLifecycle().value
     val updateFromWeb: () -> Unit = { viewModel.updateFromWeb() }
     val updateFromFile = { contentRequest.launch("*/*") }
     val clearAllData: () -> Unit = { viewModel.clearAllData() }
 
     // Other settings
-    val otherSettings = viewModel.otherSettings.value
+    val otherSettings = viewModel.otherSettings.collectAsStateWithLifecycle().value
     val toggleUtc = { value: Boolean -> viewModel.toggleUtc(value) }
     val toggleUpdate = { value: Boolean -> viewModel.toggleUpdate(value) }
     val toggleSweep = { value: Boolean -> viewModel.toggleSweep(value) }
@@ -428,13 +430,15 @@ private fun OtherCard(
                 Text(text = stringResource(id = R.string.other_switch_sensors))
                 Switch(checked = settings.stateOfSensors, onCheckedChange = { toggleSensor(it) })
             }
-            Row(
-                horizontalArrangement = Arrangement.SpaceBetween,
-                verticalAlignment = Alignment.CenterVertically,
-                modifier = Modifier.fillMaxWidth()
-            ) {
-                Text(text = stringResource(id = R.string.other_switch_light_theme))
-                Switch(checked = settings.stateOfLightTheme, onCheckedChange = { toggleLightTheme(it) })
+            if (BuildConfig.DEBUG) {
+                Row(
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically,
+                    modifier = Modifier.fillMaxWidth()
+                ) {
+                    Text(text = stringResource(id = R.string.other_switch_light_theme))
+                    Switch(checked = settings.stateOfLightTheme, onCheckedChange = { toggleLightTheme(it) })
+                }
             }
         }
     }

app/src/main/java/com/rtbishop/look4sat/presentation/settings/SettingsViewModel.kt

@@ -17,8 +17,6 @@
  */
 package com.rtbishop.look4sat.presentation.settings
 
-import androidx.compose.runtime.State
-import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewModelScope
@@ -29,6 +27,9 @@ import com.rtbishop.look4sat.R
 import com.rtbishop.look4sat.domain.model.OtherSettings
 import com.rtbishop.look4sat.domain.repository.IDatabaseRepo
 import com.rtbishop.look4sat.domain.repository.ISettingsRepo
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 
 class SettingsViewModel(
@@ -36,89 +37,89 @@ class SettingsViewModel(
 ) : ViewModel() {
 
     private val defaultPosSettings = PositionSettings(false, settingsRepo.stationPosition.value, 0)
-    private val _positionSettings = mutableStateOf(defaultPosSettings)
-    val positionSettings: State<PositionSettings> = _positionSettings
+    private val _positionSettings = MutableStateFlow(defaultPosSettings)
+    val positionSettings: StateFlow<PositionSettings> = _positionSettings
 
     private val defaultDataSettings = DataSettings(false, 0, 0, 0L)
-    private val _dataSettings = mutableStateOf(defaultDataSettings)
-    val dataSettings: State<DataSettings> = _dataSettings
+    private val _dataSettings = MutableStateFlow(defaultDataSettings)
+    val dataSettings: StateFlow<DataSettings> = _dataSettings
 
-    private val _otherSettings = mutableStateOf(settingsRepo.otherSettings.value)
-    val otherSettings: State<OtherSettings> = _otherSettings
+    private val _otherSettings = MutableStateFlow(settingsRepo.otherSettings.value)
+    val otherSettings: StateFlow<OtherSettings> = _otherSettings
 
     init {
         viewModelScope.launch {
             settingsRepo.stationPosition.collect { geoPos ->
-                _positionSettings.value =
-                    _positionSettings.value.copy(isUpdating = false, stationPos = geoPos)
+                _positionSettings.update { it.copy(isUpdating = false, stationPos = geoPos) }
             }
         }
         viewModelScope.launch {
             settingsRepo.databaseState.collect { state ->
-                _dataSettings.value = _dataSettings.value.copy(
-                    isUpdating = false,
-                    entriesTotal = state.numberOfSatellites,
-                    radiosTotal = state.numberOfRadios,
-                    timestamp = state.updateTimestamp
-                )
+                _dataSettings.update {
+                    it.copy(
+                        isUpdating = false,
+                        entriesTotal = state.numberOfSatellites,
+                        radiosTotal = state.numberOfRadios,
+                        timestamp = state.updateTimestamp
+                    )
+                }
             }
         }
         viewModelScope.launch {
-            settingsRepo.otherSettings.collect { _otherSettings.value = it }
+            settingsRepo.otherSettings.collect { settings -> _otherSettings.update { settings } }
         }
     }
 
     fun setGpsPosition() {
         if (settingsRepo.setStationPositionGps()) {
             val messageResId = R.string.location_success
-            _positionSettings.value =
-                _positionSettings.value.copy(isUpdating = true, messageResId = messageResId)
+            _positionSettings.update { it.copy(isUpdating = true, messageResId = messageResId) }
         } else {
             val errorResId = R.string.location_gps_error
-            _positionSettings.value = _positionSettings.value.copy(messageResId = errorResId)
+            _positionSettings.update { it.copy(messageResId = errorResId) }
         }
     }
 
     fun setGeoPosition(latitude: Double, longitude: Double) {
         if (settingsRepo.setStationPositionGeo(latitude, longitude, 0.0)) {
             val messageResId = R.string.location_success
-            _positionSettings.value = _positionSettings.value.copy(messageResId = messageResId)
+            _positionSettings.update { it.copy(messageResId = messageResId) }
         } else {
             val errorResId = R.string.location_manual_error
-            _positionSettings.value = _positionSettings.value.copy(messageResId = errorResId)
+            _positionSettings.update { it.copy(messageResId = errorResId) }
         }
     }
 
     fun setQthPosition(locator: String) {
         if (settingsRepo.setStationPositionQth(locator)) {
             val messageResId = R.string.location_success
-            _positionSettings.value = _positionSettings.value.copy(messageResId = messageResId)
+            _positionSettings.update { it.copy(messageResId = messageResId) }
         } else {
             val errorResId = R.string.location_qth_error
-            _positionSettings.value = _positionSettings.value.copy(messageResId = errorResId)
+            _positionSettings.update { it.copy(messageResId = errorResId) }
         }
     }
 
     fun dismissPosMessage() {
-        _positionSettings.value = _positionSettings.value.copy(messageResId = 0)
+        _positionSettings.update { it.copy(messageResId = 0) }
     }
 
     fun updateFromWeb() = viewModelScope.launch {
         try {
-            _dataSettings.value = _dataSettings.value.copy(isUpdating = true)
+            _dataSettings.update { it.copy(isUpdating = true) }
             databaseRepo.updateFromRemote()
         } catch (exception: Exception) {
-            _dataSettings.value = _dataSettings.value.copy(isUpdating = false)
+            _dataSettings.update { it.copy(isUpdating = false) }
             println(exception)
         }
     }
 
     fun updateFromFile(uri: String) = viewModelScope.launch {
         try {
-            _dataSettings.value = _dataSettings.value.copy(isUpdating = true)
+            _dataSettings.update { it.copy(isUpdating = true) }
             databaseRepo.updateFromFile(uri)
         } catch (exception: Exception) {
-            _dataSettings.value = _dataSettings.value.copy(isUpdating = false)
+            _dataSettings.update { it.copy(isUpdating = false) }
             println(exception)
         }
     }