Remove processMaps step

Maplibre can read assets directly and so doesn't need the file copying done
by processMaps. processMaps could be time consuming and so this improves
start up.

Author: davecraig

app/src/androidTest/java/org/scottishtecharmy/soundscape/DocumentationScreens.kt

@@ -36,7 +36,6 @@ import org.scottishtecharmy.soundscape.screens.markers_routes.screens.addandedit
 import org.scottishtecharmy.soundscape.screens.markers_routes.screens.routedetailsscreen.RouteDetailsScreen
 import org.scottishtecharmy.soundscape.screens.markers_routes.screens.routedetailsscreen.RouteDetailsUiState
 import org.scottishtecharmy.soundscape.services.RoutePlayerState
-import org.scottishtecharmy.soundscape.utils.processMaps
 import org.scottishtecharmy.soundscape.viewmodels.home.HomeState
 import java.io.File
 import java.io.FileOutputStream
@@ -104,9 +103,6 @@ class DocumentationScreens {
 
         val targetContext = InstrumentationRegistry.getInstrumentation().targetContext
 
-        // Unpack map assets
-        processMaps(targetContext)
-
         val themeStateFlow = MutableStateFlow(ThemeState())
         composeTestRule.setContent {
             SoundscapeTheme(themeStateFlow) {

app/src/main/assets/osm-liberty-accessible/originalStyle.json

@@ -6,8 +6,8 @@
     "maputnik:renderer": "mbgljs",
     "openmaptiles:version": "3.x"
   },
-  "sprite": "file:///data/user/0/org.scottishtecharmy.soundscape/files/osm-liberty-accessible/osm-liberty",
-  "glyphs": "file:///data/user/0/org.scottishtecharmy.soundscape/files/osm-liberty-accessible/fonts/{fontstack}/{range}.pbf",
+  "sprite": "asset://osm-liberty-accessible/osm-liberty",
+  "glyphs": "asset://osm-liberty-accessible/fonts/{fontstack}/{range}.pbf",
   "layers": [
     {
       "id": "background",

app/src/main/assets/osm-liberty-accessible/style.json

@@ -6,8 +6,8 @@
     "maputnik:renderer": "mbgljs",
     "openmaptiles:version": "3.x"
   },
-  "sprite": "file:///data/user/0/org.scottishtecharmy.soundscape/files/osm-liberty-accessible/osm-liberty",
-  "glyphs": "file:///data/user/0/org.scottishtecharmy.soundscape/files/osm-liberty-accessible/fonts/{fontstack}/{range}.pbf",
+  "sprite": "asset://osm-liberty-accessible/osm-liberty",
+  "glyphs": "asset://osm-liberty-accessible/fonts/{fontstack}/{range}.pbf",
   "layers": [
     {
       "id": "background",

app/src/main/java/org/scottishtecharmy/soundscape/MainActivity.kt

@@ -61,7 +61,6 @@ import org.scottishtecharmy.soundscape.utils.LogcatHelper
 import org.scottishtecharmy.soundscape.database.local.model.RouteEntity
 import org.scottishtecharmy.soundscape.utils.findExtracts
 import org.scottishtecharmy.soundscape.utils.getOfflineMapStorage
-import org.scottishtecharmy.soundscape.utils.processMaps
 import java.io.File
 import java.util.Locale
 import javax.inject.Inject
@@ -416,9 +415,6 @@ class MainActivity : AppCompatActivity() {
         // Validate offline map directory
         getOfflineMapStorage(this)
 
-        // Unpack map assets
-        processMaps(applicationContext)
-
         // When opening a JSON file containing a route from Android File we can end up with two
         // instances of the app running. This check ensures that we have only one instance.
         if (!isTaskRoot) {

app/src/main/java/org/scottishtecharmy/soundscape/screens/home/home/MapContainerLibre.kt

@@ -3,7 +3,6 @@ package org.scottishtecharmy.soundscape.screens.home.home
 import android.content.Context
 import android.graphics.Color
 import android.graphics.drawable.Drawable
-import android.net.Uri
 import android.os.Environment
 import android.util.Log
 import android.view.Gravity
@@ -314,7 +313,6 @@ fun MapContainerLibre(
             val currentBeaconIndex = remember { mutableStateOf(currentBeaconWaypointIndex) }
             val symbol = remember { mutableStateOf<Symbol?>(null) }
             val symbolManager = remember { mutableStateOf<SymbolManager?>(null) }
-            val filesDir = remember { context.filesDir.toString() }
 
             val res = context.resources
             val userPositionDrawable = remember {
@@ -381,8 +379,7 @@ fun MapContainerLibre(
                     if (mapDestroyed.get()) return@getMapAsync
                     val styleName =
                         if (accessibleMapEnabled) "style.json" else "originalStyle.json"
-                    val styleUrl =
-                        Uri.fromFile(File("$filesDir/osm-liberty-accessible/$styleName")).toString()
+                    val styleUrl = "asset://osm-liberty-accessible/$styleName"
                     mapLibre.setStyle(styleUrl) { style ->
                         // The style load is asynchronous, so the map may have been destroyed
                         // between requesting the style and it loading. Bail out before touching any