Location properties might return NaN (#465)

Author: eri9000

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 
 # ArcGIS Maps SDK for Kotlin version
-arcgisMapsKotlinVersion = "300.0.0-4918"
+arcgisMapsKotlinVersion = "300.0.0-4922"
 
 ### Android versions
 androidGradlePlugin = "8.13.2"

samples/display-device-location-with-nmea-data-sources/src/main/java/com/esri/arcgismaps/sample/displaydevicelocationwithnmeadatasources/MainActivity.kt

@@ -44,6 +44,8 @@ import java.nio.charset.StandardCharsets
 import java.util.Timer
 import kotlin.concurrent.timerTask
 
+private const val METERS_TO_FEET = 3.28084
+
 class MainActivity : EdgeToEdgeCompatActivity() {
 
     private val provisionPath: String by lazy {
@@ -225,12 +227,15 @@ class MainActivity : EdgeToEdgeCompatActivity() {
     private fun collectLocationChanges() = lifecycleScope.launch {
         nmeaLocationDataSource.locationChanged.collect { nmeaLocation ->
             // convert from meters to foot
-            val horizontalAccuracy = nmeaLocation.horizontalAccuracy * 3.28084
-            val verticalAccuracy = nmeaLocation.verticalAccuracy * 3.28084
-            accuracyTV.text =
-                getString(R.string.accuracy) + "Horizontal-%.1fft, Vertical-%.1fft".format(
-                    horizontalAccuracy, verticalAccuracy
-                )
+            val horizontalAccuracyFeet = nmeaLocation.horizontalAccuracy
+                .takeIf { it.isFinite() }
+                ?.times(METERS_TO_FEET)
+            val verticalAccuracyFeet = nmeaLocation.verticalAccuracy
+                .takeIf { it.isFinite() }
+                ?.times(METERS_TO_FEET)
+            val horizontalText = horizontalAccuracyFeet?.let { "%.1fft".format(it) } ?: getString(R.string.unavailable)
+            val verticalText = verticalAccuracyFeet?.let { "%.1fft".format(it) } ?: getString(R.string.unavailable)
+            accuracyTV.text = getString(R.string.accuracy) + "Horizontal-$horizontalText, Vertical-$verticalText"
         }
     }
 

samples/display-device-location-with-nmea-data-sources/src/main/res/values/strings.xml

@@ -5,4 +5,5 @@
     <string name="satellite_count">Satellite Count: </string>
     <string name="system">System: </string>
     <string name="satellite_ids">Satellite IDs: </string>
+    <string name="unavailable">Unavailable</string>
 </resources>

samples/show-device-location-using-indoor-positioning/src/main/java/com/esri/arcgismaps/sample/showdevicelocationusingindoorpositioning/MainActivity.kt

@@ -193,10 +193,13 @@ class MainActivity : EdgeToEdgeCompatActivity() {
                 val sb = StringBuilder()
                 sb.append("Floor: $floor, ")
                 sb.append("Position-source: $positionSource, ")
-                val accuracy = DecimalFormat(".##").format(
-                    location.horizontalAccuracy
-                )
-                sb.append("Horizontal-accuracy: ${accuracy}m, ")
+                val horizontalAccuracy = location.horizontalAccuracy
+                val horizontalAccuracyText = if (horizontalAccuracy.isFinite()) {
+                    "${DecimalFormat(".##").format(horizontalAccuracy)}m"
+                } else {
+                    getString(R.string.unavailable)
+                }
+                sb.append("Horizontal-accuracy: $horizontalAccuracyText, ")
                 sb.append(when (positionSource) {
                         Location.SourceProperties.Values.POSITION_SOURCE_GNSS -> "Satellite-count: $satelliteCount"
                         "BLE" -> "Transmitter-count: $transmitterCount"

samples/show-device-location-using-indoor-positioning/src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
     <string name="show_device_location_using_indoor_positioning_app_name">Show device location using indoor positioning</string>
+    <string name="unavailable">Unavailable</string>
 </resources>