chore: fix build warnings and migrate deprecated APIs (#6130)

androidApp/src/fdroid/kotlin/org/meshtastic/app/map/MapView.kt

@@ -1046,8 +1046,8 @@ private fun CacheInfoDialog(mapView: MapView, onDismiss: () -> Unit) {
         onDismiss = onDismiss,
         negativeButton = { TextButton(onClick = { onDismiss() }) { Text(text = stringResource(Res.string.close)) } },
     ) {
-        val capacityMb = (cacheCapacity / (1024 * 1024)).toLong()
-        val usageMb = (currentCacheUsage / (1024 * 1024)).toLong()
+        val capacityMb = cacheCapacity / (1024 * 1024)
+        val usageMb = currentCacheUsage / (1024 * 1024)
         Text(modifier = Modifier.padding(16.dp), text = stringResource(Res.string.map_cache_info, capacityMb, usageMb))
     }
 }

androidApp/src/google/kotlin/org/meshtastic/app/map/MapView.kt

@@ -1230,6 +1230,7 @@ private fun offsetPolyline(
 
 // region --- Map Layers ---
 
+@OptIn(MapsComposeExperimentalApi::class)
 @Composable
 private fun MapLayerOverlay(layerItem: MapLayerItem, mapViewModel: MapViewModel) {
     val context = LocalContext.current

androidApp/src/google/kotlin/org/meshtastic/app/map/model/CustomTileSource.kt

@@ -19,8 +19,7 @@ package org.meshtastic.app.map.model
 class CustomTileSource {
 
     companion object {
-        fun getTileSource(index: Int) {
-            index
-        }
+        // No-op stub for the Google flavor (osmdroid tile sources are fdroid-only).
+        fun getTileSource(index: Int) {}
     }
 }

androidApp/src/test/kotlin/org/meshtastic/app/di/KoinVerificationTest.kt

@@ -38,6 +38,7 @@ import kotlin.test.Test
 
 class KoinVerificationTest {
 
+    @OptIn(org.koin.core.annotation.KoinExperimentalAPI::class)
     @Test
     fun verifyKoinConfiguration() {
         AppKoinModule()