Update README.md
This commit is contained in:
Nedifinita
@@ -2,6 +2,9 @@ package receiver.lbj.ui.screens
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import android.Manifest
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import android.content.Context
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import receiver.lbj.R
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import android.graphics.Bitmap
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import android.graphics.Canvas
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import android.graphics.Color
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import android.graphics.drawable.Drawable
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import android.graphics.PorterDuff
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@@ -71,14 +74,16 @@ fun MapScreen(
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load(context, context.getSharedPreferences("osmdroid", Context.MODE_PRIVATE))
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osmdroidBasePath = osmCacheDir
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osmdroidTileCache = tileCache
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expirationOverrideDuration = 86400000L
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expirationOverrideDuration = 86400000L
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gpsWaitTime = 0L
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tileDownloadThreads = 2
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tileFileSystemThreads = 2
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tileDownloadThreads = 6
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tileFileSystemThreads = 6
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tileFileSystemCacheTrimBytes = 1024L * 1024L * 2000
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tileFileSystemCacheMaxBytes = 1024L * 1024L * 500L
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}
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} catch (e: Exception) {
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e.printStackTrace()
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onLocationError("地图初始化失败：${e.localizedMessage}")
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onLocationError("Map initialization failed: ${e.localizedMessage}")
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}
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}
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@@ -220,11 +225,15 @@ fun MapScreen(
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ViewGroup.LayoutParams.MATCH_PARENT
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)
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setTileSource(TileSourceFactory.MAPNIK)
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setMultiTouchControls(true)
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zoomController.setVisibility(org.osmdroid.views.CustomZoomButtonsController.Visibility.NEVER)
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zoomController.setVisibility(org.osmdroid.views.CustomZoomButtonsController.Visibility.NEVER)
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isTilesScaledToDpi = true
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tilesScaleFactor = ctx.resources.displayMetrics.density * 0.2f
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setHorizontalMapRepetitionEnabled(false)
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setVerticalMapRepetitionEnabled(false)
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isHorizontalMapRepetitionEnabled = false
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isVerticalMapRepetitionEnabled = false
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setUseDataConnection(true)
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minZoomLevel = 4.0
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maxZoomLevel = 18.0
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@@ -246,18 +255,18 @@ fun MapScreen(
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try {
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val railwayTileSource = XYTileSource(
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"OpenRailwayMap",
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8, 16,
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256,
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".png",
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arrayOf(
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"OpenRailwayMap",
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0, 24, // 穷尽所有可能的缩放级别
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256,
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".png",
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arrayOf(
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"https://a.tiles.openrailwaymap.org/standard/",
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"https://b.tiles.openrailwaymap.org/standard/",
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"https://c.tiles.openrailwaymap.org/standard/"
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),
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"© OpenRailwayMap contributors, © OpenStreetMap contributors"
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"© OpenRailwayMap contributors, © OpenStreetMap contributors"
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)
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@@ -269,7 +278,7 @@ fun MapScreen(
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val railwayColorFilter = PorterDuffColorFilter(
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Color.rgb(0, 51, 153),
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Color.rgb(0, 51, 153),
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PorterDuff.Mode.MULTIPLY
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)
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railwayOverlay.setColorFilter(railwayColorFilter)
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@@ -288,7 +297,7 @@ fun MapScreen(
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}
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controller.setZoom(10.0)
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controller.setZoom(10.0)
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try {
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@@ -299,7 +308,28 @@ fun MapScreen(
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}
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val myLocationOverlay = MyLocationNewOverlay(locationProvider, this).apply {
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enableMyLocation()
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// 使用我们的自定义人形图标
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// 使用原生位置/雷达图标
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val personDrawable = ctx.resources.getDrawable(android.R.drawable.ic_menu_mylocation, ctx.theme)
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// 设置为黑色
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personDrawable.setTint(Color.BLACK)
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val bitmap = Bitmap.createBitmap(
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personDrawable.intrinsicWidth,
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personDrawable.intrinsicHeight,
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Bitmap.Config.ARGB_8888
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)
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val canvas = Canvas(bitmap)
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personDrawable.setBounds(0, 0, canvas.width, canvas.height)
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personDrawable.draw(canvas)
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setPersonIcon(bitmap)
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// 设置中心对齐
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setPersonAnchor(0.5f, 0.5f)
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isDrawAccuracyEnabled = false
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enableMyLocation()
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runOnFirstFix {
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try {
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@@ -335,21 +365,21 @@ fun MapScreen(
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ScaleBarOverlay(this).apply {
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setCentred(false)
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setScaleBarOffset(5, ctx.resources.displayMetrics.heightPixels - 50)
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setTextSize(10.0f)
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setTextSize(12.0f * ctx.resources.displayMetrics.density / 2)
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setEnableAdjustLength(true)
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setAlignBottom(true)
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setLineWidth(2.0f)
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}.also { overlays.add(it) }
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} catch (e: Exception) {
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e.printStackTrace()
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onLocationError("地图组件初始化失败：${e.localizedMessage}")
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onLocationError("Map component initialization failed: ${e.localizedMessage}")
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}
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mapViewRef.value = this
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}
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} catch (e: Exception) {
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e.printStackTrace()
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onLocationError("地图创建失败：${e.localizedMessage}")
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onLocationError("Map creation failed: ${e.localizedMessage}")
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MapView(ctx).apply {
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layoutParams = ViewGroup.LayoutParams(
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13
app/src/main/res/drawable/ic_person.xml
Normal file
13
app/src/main/res/drawable/ic_person.xml
Normal file
@@ -0,0 +1,13 @@
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<?xml version="1.0" encoding="utf-8"?>
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="24dp"
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android:height="24dp"
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android:viewportWidth="24"
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android:viewportHeight="24">
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<path
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android:fillColor="#FFFFFF"
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android:pathData="M12,6m-4,0a4,4 0,1 1,8 0a4,4 0,1 1,-8 0" />
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<path
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android:fillColor="#FFFFFF"
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android:pathData="M12,10L12,10c-2.2,0 -4,1.8 -4,4v6h8v-6C16,11.8 14.2,10 12,10z" />
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</vector>
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