fix: set fixed position for local node only

app/src/main/java/com/geeksville/mesh/service/MeshService.kt

@@ -1774,9 +1774,9 @@ class MeshService : Service(), Logging {
                 // request position
                 sendPosition(destNum = destNum, wantResponse = true)
             } else {
-                // send fixed position
+                // send fixed position (local only/no remote method, so we force destNum to null)
                 val (lat, lon, alt) = position
-                sendPosition(destNum = destNum, lat = lat, lon = lon, alt = alt)
+                sendPosition(destNum = null, lat = lat, lon = lon, alt = alt)
             }
         }
 

app/src/main/java/com/geeksville/mesh/ui/DeviceSettingsFragment.kt

@@ -158,6 +158,7 @@ fun RadioConfigNavHost(node: NodeInfo, viewModel: UIViewModel = viewModel()) {
     val connected = connectionState == MeshService.ConnectionState.CONNECTED
 
     val destNum = node.num
+    val isLocal = destNum == viewModel.myNodeNum
     val maxChannels = viewModel.myNodeInfo.value?.maxChannels ?: 8
 
     var userConfig by remember { mutableStateOf(MeshProtos.User.getDefaultInstance()) }
@@ -308,7 +309,7 @@ fun RadioConfigNavHost(node: NodeInfo, viewModel: UIViewModel = viewModel()) {
         composable("home") {
             RadioSettingsScreen(
                 enabled = connected && !isWaiting,
-                isLocal = destNum == viewModel.myNodeNum,
+                isLocal = isLocal,
                 headerText = node.user?.longName ?: stringResource(R.string.unknown_username),
                 onRouteClick = { configType ->
                     packetResponseState = PacketResponseState.Loading.apply {
@@ -408,6 +409,7 @@ fun RadioConfigNavHost(node: NodeInfo, viewModel: UIViewModel = viewModel()) {
         }
         composable("position") {
             PositionConfigItemList(
+                isLocal = isLocal,
                 location = location,
                 positionConfig = radioConfig.position,
                 enabled = connected,

app/src/main/java/com/geeksville/mesh/ui/components/config/PositionConfigItemList.kt

@@ -25,6 +25,7 @@ import com.geeksville.mesh.ui.components.SwitchPreference
 
 @Composable
 fun PositionConfigItemList(
+    isLocal: Boolean = false,
     location: Position?,
     positionConfig: PositionConfig,
     enabled: Boolean,
@@ -93,7 +94,7 @@ fun PositionConfigItemList(
             item {
                 EditTextPreference(title = "Latitude",
                     value = locationInput?.latitude ?: 0.0,
-                    enabled = enabled,
+                    enabled = enabled && isLocal,
                     keyboardActions = KeyboardActions(onDone = { focusManager.clearFocus() }),
                     onValueChanged = { value ->
                         if (value >= -90 && value <= 90.0)
@@ -103,7 +104,7 @@ fun PositionConfigItemList(
             item {
                 EditTextPreference(title = "Longitude",
                     value = locationInput?.longitude ?: 0.0,
-                    enabled = enabled,
+                    enabled = enabled && isLocal,
                     keyboardActions = KeyboardActions(onDone = { focusManager.clearFocus() }),
                     onValueChanged = { value ->
                         if (value >= -180 && value <= 180.0)
@@ -113,7 +114,7 @@ fun PositionConfigItemList(
             item {
                 EditTextPreference(title = "Altitude (meters)",
                     value = locationInput?.altitude ?: 0,
-                    enabled = enabled,
+                    enabled = enabled && isLocal,
                     keyboardActions = KeyboardActions(onDone = { focusManager.clearFocus() }),
                     onValueChanged = { value ->
                         locationInput?.let { locationInput = it.copy(altitude = value) }