Add InlineMap implementation for F-Droid build (#4877)

Author: theKorzh

app/src/fdroid/kotlin/org/meshtastic/app/node/component/InlineMap.kt

@@ -16,11 +16,49 @@
  */
 package org.meshtastic.app.node.component
 
+import android.view.ViewGroup
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.viewinterop.AndroidView
 import org.meshtastic.core.model.Node
+import org.osmdroid.tileprovider.tilesource.TileSourceFactory
+import org.osmdroid.util.GeoPoint
+import org.osmdroid.views.MapView
+import org.osmdroid.views.overlay.Marker
 
 @Composable
 fun InlineMap(node: Node, modifier: Modifier = Modifier) {
-    // No-op for F-Droid builds
+    val context = androidx.compose.ui.platform.LocalContext.current
+
+    val map = remember {
+        MapView(context).apply {
+            layoutParams =
+                ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)
+
+            // Default osmdroid tile source.
+            setTileSource(TileSourceFactory.MAPNIK)
+            setMultiTouchControls(false)
+
+            controller.setZoom(15.0)
+        }
+    }
+
+    LaunchedEffect(node.num) {
+        val point = GeoPoint(node.latitude, node.longitude)
+
+        map.overlays.clear()
+
+        val marker =
+            Marker(map).apply {
+                position = point
+                setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_BOTTOM)
+            }
+        map.overlays.add(marker)
+
+        map.controller.animateTo(point)
+    }
+
+    AndroidView(factory = { map }, modifier = modifier)
 }