Update README.md

README.md

@@ -1,6 +1,6 @@
 # LBJ_Console
 
-LBJ_Console is an Android app designed to receive and display LBJ (Locomotive Bell Jingling) messages via BLE from the [SX1276_Receive_LBJ](https://github.com/undef-i/SX1276_Receive_LBJ) device.
+LBJ_Console is an Android app designed to receive and display LBJ messages via BLE from the [SX1276_Receive_LBJ](https://github.com/undef-i/SX1276_Receive_LBJ) device.
 
 # License
 

app/src/main/java/receiver/lbj/ui/screens/MapScreen.kt

@@ -2,6 +2,9 @@ package receiver.lbj.ui.screens
 
 import android.Manifest
 import android.content.Context
+import receiver.lbj.R
+import android.graphics.Bitmap
+import android.graphics.Canvas
 import android.graphics.Color
 import android.graphics.drawable.Drawable
 import android.graphics.PorterDuff
@@ -73,12 +76,14 @@ fun MapScreen(
                 osmdroidTileCache = tileCache
                 expirationOverrideDuration = 86400000L
                 gpsWaitTime = 0L
-                tileDownloadThreads = 2
+                tileDownloadThreads = 6
-                tileFileSystemThreads = 2
+                tileFileSystemThreads = 6
+                tileFileSystemCacheTrimBytes = 1024L * 1024L * 2000
+                tileFileSystemCacheMaxBytes = 1024L * 1024L * 500L
             }
         } catch (e: Exception) {
             e.printStackTrace()
-            onLocationError("地图初始化失败：${e.localizedMessage}")
+            onLocationError("Map initialization failed: ${e.localizedMessage}")
         }
     }
     
@@ -220,11 +225,15 @@ fun MapScreen(
                             ViewGroup.LayoutParams.MATCH_PARENT
                         )
                         
-                        
                         setTileSource(TileSourceFactory.MAPNIK)
                         setMultiTouchControls(true)
                         zoomController.setVisibility(org.osmdroid.views.CustomZoomButtonsController.Visibility.NEVER)
                         isTilesScaledToDpi = true
+                        tilesScaleFactor = ctx.resources.displayMetrics.density * 0.2f
+                        setHorizontalMapRepetitionEnabled(false)
+                        setVerticalMapRepetitionEnabled(false)
+                        isHorizontalMapRepetitionEnabled = false
+                        isVerticalMapRepetitionEnabled = false
                         setUseDataConnection(true)
                         minZoomLevel = 4.0
                         maxZoomLevel = 18.0
@@ -249,7 +258,7 @@ fun MapScreen(
 
                             val railwayTileSource = XYTileSource(
                                 "OpenRailwayMap",
-                                8, 16, 
+                                0, 24,  // 穷尽所有可能的缩放级别
                                 256,
                                 ".png",
                                 arrayOf(
@@ -288,7 +297,7 @@ fun MapScreen(
                         }
                         
                         
-                        controller.setZoom(10.0)
+                                                controller.setZoom(10.0)
                         
                         
                         try {
@@ -299,6 +308,27 @@ fun MapScreen(
                             }
                             
                             val myLocationOverlay = MyLocationNewOverlay(locationProvider, this).apply {
+                                // 使用我们的自定义人形图标
+                                // 使用原生位置/雷达图标
+                                val personDrawable = ctx.resources.getDrawable(android.R.drawable.ic_menu_mylocation, ctx.theme)
+                                // 设置为黑色
+                                personDrawable.setTint(Color.BLACK)
+                                
+                                val bitmap = Bitmap.createBitmap(
+                                    personDrawable.intrinsicWidth,
+                                    personDrawable.intrinsicHeight,
+                                    Bitmap.Config.ARGB_8888
+                                )
+                                val canvas = Canvas(bitmap)
+                                personDrawable.setBounds(0, 0, canvas.width, canvas.height)
+                                personDrawable.draw(canvas)
+                                
+                                setPersonIcon(bitmap)
+                                // 设置中心对齐
+                                setPersonAnchor(0.5f, 0.5f)
+                                
+                                isDrawAccuracyEnabled = false
+                                
                                 enableMyLocation()
                                 
                                 runOnFirstFix {
@@ -335,21 +365,21 @@ fun MapScreen(
                             ScaleBarOverlay(this).apply {
                                 setCentred(false)
                                 setScaleBarOffset(5, ctx.resources.displayMetrics.heightPixels - 50)
-                                setTextSize(10.0f)
+                                setTextSize(12.0f * ctx.resources.displayMetrics.density / 2)
                                 setEnableAdjustLength(true)
                                 setAlignBottom(true)
                                 setLineWidth(2.0f)
                             }.also { overlays.add(it) }
                         } catch (e: Exception) {
                             e.printStackTrace()
-                            onLocationError("地图组件初始化失败：${e.localizedMessage}")
+                            onLocationError("Map component initialization failed: ${e.localizedMessage}")
                         }
                         
                         mapViewRef.value = this
                     }
                 } catch (e: Exception) {
                     e.printStackTrace()
-                    onLocationError("地图创建失败：${e.localizedMessage}")
+                    onLocationError("Map creation failed: ${e.localizedMessage}")
                     
                     MapView(ctx).apply {
                         layoutParams = ViewGroup.LayoutParams(

app/src/main/res/drawable/ic_person.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M12,6m-4,0a4,4 0,1 1,8 0a4,4 0,1 1,-8 0" />
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M12,10L12,10c-2.2,0 -4,1.8 -4,4v6h8v-6C16,11.8 14.2,10 12,10z" />
+</vector>