fix: various issues

2025-07-14 23:15:01 +08:00
parent 644374cc41
commit d3d8e19715
28 changed files with 462 additions and 251 deletions
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -4,12 +4,11 @@

    <uses-permission android:name="android.permission.BLUETOOTH"/>
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
-    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT"/>
-    <uses-permission android:name="android.permission.BLUETOOTH_SCAN"/>
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" android:usesPermissionFlags="neverForLocation"/>
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" android:usesPermissionFlags="neverForLocation"/>
+    <uses-permission android:name="android.permission.BLUETOOTH_ADVERTISE" android:usesPermissionFlags="neverForLocation"/>
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    
--- a/app/src/main/java/org/noxylva/lbjconsole/BLEClient.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/BLEClient.kt
@@ -1,17 +1,22 @@
-package receiver.lbj
+package org.noxylva.lbjconsole

 import android.annotation.SuppressLint
 import android.bluetooth.*
+import android.bluetooth.le.BluetoothLeScanner
+import android.bluetooth.le.ScanCallback
+import android.bluetooth.le.ScanResult
 import android.content.Context
+import android.content.pm.PackageManager
+import android.os.Build
 import android.os.Handler
 import android.os.Looper
 import android.util.Log
+import androidx.core.content.ContextCompat
 import java.nio.charset.StandardCharsets
 import org.json.JSONObject
 import java.util.*

-class BLEClient(private val context: Context) : BluetoothGattCallback(),
-    BluetoothAdapter.LeScanCallback {
+class BLEClient(private val context: Context) : BluetoothGattCallback() {
    companion object {
        const val TAG = "LBJ_BT"
        const val SCAN_PERIOD = 10000L
@@ -35,6 +40,24 @@ class BLEClient(private val context: Context) : BluetoothGattCallback(),
    private var trainInfoCallback: ((JSONObject) -> Unit)? = null
    private var handler = Handler(Looper.getMainLooper())
    private var targetDeviceName: String? = null
+    private var bluetoothLeScanner: BluetoothLeScanner? = null
+    
+    private val leScanCallback = object : ScanCallback() {
+        override fun onScanResult(callbackType: Int, result: ScanResult) {
+            val device = result.device
+            val deviceName = device.name
+            if (targetDeviceName != null) {
+                if (deviceName == null || !deviceName.equals(targetDeviceName, ignoreCase = true)) {
+                    return
+                }
+            }
+            scanCallback?.invoke(device)
+        }
+        
+        override fun onScanFailed(errorCode: Int) {
+            Log.e(TAG, "BLE scan failed code=$errorCode")
+        }
+    }


    fun setTrainInfoCallback(callback: (JSONObject) -> Unit) {
@@ -42,8 +65,28 @@ class BLEClient(private val context: Context) : BluetoothGattCallback(),
    }


+    private fun hasBluetoothPermissions(): Boolean {
+        val bluetoothPermissions = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            ContextCompat.checkSelfPermission(context, android.Manifest.permission.BLUETOOTH_SCAN) == PackageManager.PERMISSION_GRANTED &&
+            ContextCompat.checkSelfPermission(context, android.Manifest.permission.BLUETOOTH_CONNECT) == PackageManager.PERMISSION_GRANTED
+        } else {
+            ContextCompat.checkSelfPermission(context, android.Manifest.permission.BLUETOOTH) == PackageManager.PERMISSION_GRANTED &&
+            ContextCompat.checkSelfPermission(context, android.Manifest.permission.BLUETOOTH_ADMIN) == PackageManager.PERMISSION_GRANTED
+        }
+        
+        val locationPermissions = ContextCompat.checkSelfPermission(context, android.Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED ||
+                ContextCompat.checkSelfPermission(context, android.Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED
+        
+        return bluetoothPermissions && locationPermissions
+    }
+
    @SuppressLint("MissingPermission")
    fun scanDevices(targetDeviceName: String? = null, callback: (BluetoothDevice) -> Unit) {
+        if (!hasBluetoothPermissions()) {
+            Log.e(TAG, "Bluetooth permissions not granted")
+            return
+        }
+
        try {
            scanCallback = callback
            this.targetDeviceName = targetDeviceName
@@ -57,13 +100,19 @@ class BLEClient(private val context: Context) : BluetoothGattCallback(),
                return
            }

+            bluetoothLeScanner = bluetoothAdapter.bluetoothLeScanner
+            if (bluetoothLeScanner == null) {
+                Log.e(TAG, "BluetoothLeScanner unavailable")
+                return
+            }
+
            handler.postDelayed({
                stopScan()
            }, SCAN_PERIOD)

            isScanning = true
            Log.d(TAG, "Starting BLE scan target=${targetDeviceName ?: "Any"}")
-            bluetoothAdapter.startLeScan(this)
+            bluetoothLeScanner?.startScan(leScanCallback)
        } catch (e: SecurityException) {
            Log.e(TAG, "Scan security error: ${e.message}")
        } catch (e: Exception) {
@@ -75,28 +124,25 @@ class BLEClient(private val context: Context) : BluetoothGattCallback(),
    @SuppressLint("MissingPermission")
    fun stopScan() {
        if (isScanning) {
-            val bluetoothAdapter = BluetoothAdapter.getDefaultAdapter()
-            bluetoothAdapter.stopLeScan(this)
+            bluetoothLeScanner?.stopScan(leScanCallback)
            isScanning = false
        }
    }


-    override fun onLeScan(device: BluetoothDevice, rssi: Int, scanRecord: ByteArray) {

-        val deviceName = device.name
-        if (targetDeviceName != null) {
-
-            if (deviceName == null || !deviceName.equals(targetDeviceName, ignoreCase = true)) {
-                return
-            }
-        }
-        scanCallback?.invoke(device)
-    }


    @SuppressLint("MissingPermission")
    fun connect(address: String, onConnectionStateChange: ((Boolean) -> Unit)? = null): Boolean {
+        Log.d(TAG, "Attempting to connect to device: $address")
+        
+        if (!hasBluetoothPermissions()) {
+            Log.e(TAG, "Bluetooth permissions not granted")
+            handler.post { onConnectionStateChange?.invoke(false) }
+            return false
+        }
+
        if (address.isBlank()) {
            Log.e(TAG, "Connection failed empty address")
            handler.post { onConnectionStateChange?.invoke(false) }
@@ -109,6 +155,18 @@ class BLEClient(private val context: Context) : BluetoothGattCallback(),
                handler.post { onConnectionStateChange?.invoke(false) }
                return false
            }
+            
+            if (!bluetoothAdapter.isEnabled) {
+                Log.e(TAG, "Bluetooth adapter is disabled")
+                handler.post { onConnectionStateChange?.invoke(false) }
+                return false
+            }
+            
+            if (isConnected) {
+                Log.w(TAG, "Already connected to device")
+                handler.post { onConnectionStateChange?.invoke(true) }
+                return true
+            }


            bluetoothGatt?.close()
--- a/app/src/main/java/org/noxylva/lbjconsole/MainActivity.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/MainActivity.kt
@@ -1,4 +1,4 @@
-package receiver.lbj
+package org.noxylva.lbjconsole

 import android.Manifest
 import android.bluetooth.BluetoothAdapter
@@ -6,7 +6,7 @@ import android.bluetooth.BluetoothDevice
 import android.content.Context
 import android.content.Intent
 import java.io.File
-import android.net.Uri
+import android.os.Build
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
@@ -19,36 +19,30 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.*
 import androidx.compose.material.icons.filled.LocationOn
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
 import androidx.core.content.FileProvider
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import org.json.JSONObject
 import org.osmdroid.config.Configuration
-import receiver.lbj.model.TrainRecord
-import receiver.lbj.model.TrainRecordManager
-import receiver.lbj.ui.screens.HistoryScreen
-import receiver.lbj.ui.screens.MapScreen
-import receiver.lbj.ui.screens.SettingsScreen
-import receiver.lbj.ui.screens.MapScreen
-import receiver.lbj.ui.theme.LBJReceiverTheme
-import receiver.lbj.util.LocoInfoUtil
+import org.noxylva.lbjconsole.model.TrainRecord
+import org.noxylva.lbjconsole.model.TrainRecordManager
+import org.noxylva.lbjconsole.ui.screens.HistoryScreen
+import org.noxylva.lbjconsole.ui.screens.MapScreen
+import org.noxylva.lbjconsole.ui.screens.SettingsScreen
+import org.noxylva.lbjconsole.ui.theme.LBJReceiverTheme
+import org.noxylva.lbjconsole.util.LocoInfoUtil
 import java.util.*
 import androidx.lifecycle.lifecycleScope
-import androidx.lifecycle.viewModelScope
 import android.bluetooth.le.ScanCallback
 import android.bluetooth.le.ScanResult

@@ -80,7 +74,10 @@ class MainActivity : ComponentActivity() {
    private var temporaryStatusMessage by mutableStateOf<String?>(null) 
    
    
-    private var targetDeviceName = "LBJReceiver" 
+    private var targetDeviceName = "LBJReceiver"
+    
+    
+    private val settingsPrefs by lazy { getSharedPreferences("app_settings", Context.MODE_PRIVATE) } 
    
    
    private val requestPermissions = registerForActivityResult(
@@ -133,17 +130,31 @@ class MainActivity : ComponentActivity() {
        super.onCreate(savedInstanceState)
        
        
-        requestPermissions.launch(arrayOf(
-            Manifest.permission.BLUETOOTH,
-            Manifest.permission.BLUETOOTH_ADMIN,
-            Manifest.permission.BLUETOOTH_CONNECT,
-            Manifest.permission.BLUETOOTH_SCAN,
+        loadSettings()
+        
+        
+        val permissions = mutableListOf<String>()
+        
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            permissions.addAll(arrayOf(
+                Manifest.permission.BLUETOOTH_CONNECT,
+                Manifest.permission.BLUETOOTH_SCAN,
+                Manifest.permission.BLUETOOTH_ADVERTISE
+            ))
+        } else {
+            permissions.addAll(arrayOf(
+                Manifest.permission.BLUETOOTH,
+                Manifest.permission.BLUETOOTH_ADMIN
+            ))
+        }
+        
+        permissions.addAll(arrayOf(
            Manifest.permission.ACCESS_FINE_LOCATION,
-            Manifest.permission.ACCESS_COARSE_LOCATION,
-            Manifest.permission.WRITE_EXTERNAL_STORAGE,
-            Manifest.permission.READ_EXTERNAL_STORAGE
+            Manifest.permission.ACCESS_COARSE_LOCATION
        ))
        
+        requestPermissions.launch(permissions.toTypedArray())
+        
        
        bleClient.setTrainInfoCallback { jsonData ->
            handleTrainInfo(jsonData)
@@ -263,17 +274,36 @@ class MainActivity : ComponentActivity() {
                        deviceName = settingsDeviceName,
                        onDeviceNameChange = { newName -> settingsDeviceName = newName },
                        onApplySettings = {
-                            
-                            
+                            saveSettings()
+                            targetDeviceName = settingsDeviceName
                            Toast.makeText(this, "设备名称 '${settingsDeviceName}' 已保存，下次连接时生效", Toast.LENGTH_LONG).show()
                            Log.d(TAG, "Applied settings deviceName=${settingsDeviceName}")
                        },
                        locoInfoUtil = locoInfoUtil
                    )
                    
-                    
-
-
+                    // 显示连接对话框
+                    if (showConnectionDialog) {
+                        ConnectionDialog(
+                            isScanning = isScanning,
+                            devices = foundDevices,
+                            onDismiss = { 
+                                showConnectionDialog = false
+                                stopScan()
+                            },
+                            onScan = {
+                                if (isScanning) {
+                                    stopScan()
+                                } else {
+                                    startScan()
+                                }
+                            },
+                            onConnect = { device ->
+                                showConnectionDialog = false
+                                connectToDevice(device)
+                            }
+                        )
+                    }
                }
            }
        }
@@ -284,13 +314,23 @@ class MainActivity : ComponentActivity() {
        deviceStatus = "正在连接..."
        Log.d(TAG, "Connecting to device name=${device.name ?: "Unknown"} address=${device.address}")
        
+        // 检查蓝牙适配器状态
+        val bluetoothAdapter = BluetoothAdapter.getDefaultAdapter()
+        if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled) {
+            deviceStatus = "蓝牙未启用"
+            Log.e(TAG, "Bluetooth adapter unavailable or disabled")
+            return
+        }
+        
        bleClient.connect(device.address) { connected ->
-            if (connected) {
-                deviceStatus = "已连接"
-                Log.d(TAG, "Connected to device name=${device.name ?: "Unknown"}")
-            } else {
-                deviceStatus = "连接失败或已断开连接"
-                Log.e(TAG, "Connection failed name=${device.name ?: "Unknown"}")
+            runOnUiThread {
+                if (connected) {
+                    deviceStatus = "已连接"
+                    Log.d(TAG, "Connected to device name=${device.name ?: "Unknown"}")
+                } else {
+                    deviceStatus = "连接失败或已断开连接"
+                    Log.e(TAG, "Connection failed name=${device.name ?: "Unknown"}")
+                }
            }
        }
        
@@ -382,6 +422,19 @@ class MainActivity : ComponentActivity() {

    
    private fun startScan() {
+        val bluetoothAdapter = BluetoothAdapter.getDefaultAdapter()
+        if (bluetoothAdapter == null) {
+            Log.e(TAG, "Bluetooth adapter unavailable")
+            deviceStatus = "设备不支持蓝牙"
+            return
+        }
+        
+        if (!bluetoothAdapter.isEnabled) {
+            Log.e(TAG, "Bluetooth adapter disabled")
+            deviceStatus = "请启用蓝牙"
+            return
+        }
+        
        isScanning = true
        foundDevices = emptyList()
        val targetDeviceName = settingsDeviceName.ifBlank { null } 
@@ -396,8 +449,11 @@ class MainActivity : ComponentActivity() {
                    Log.d(TAG, "Found target=$targetDeviceName, connecting")
                    stopScan() 
                    connectToDevice(device) 
-                } else if (!foundDevices.any { it.address == device.address }) {
-                    showConnectionDialog = true 
+                } else {
+                    // 如果没有指定目标设备名称，或者找到的设备不是目标设备，显示连接对话框
+                    if (targetDeviceName == null) {
+                        showConnectionDialog = true 
+                    }
                }
            }
        }
@@ -414,6 +470,21 @@ class MainActivity : ComponentActivity() {
    private fun updateDeviceList() {
        foundDevices = scanResults.map { it.device }
    }
+    
+    
+    private fun loadSettings() {
+        settingsDeviceName = settingsPrefs.getString("device_name", "LBJReceiver") ?: "LBJReceiver"
+        targetDeviceName = settingsDeviceName
+        Log.d(TAG, "Loaded settings deviceName=${settingsDeviceName}")
+    }
+    
+    
+    private fun saveSettings() {
+        settingsPrefs.edit()
+            .putString("device_name", settingsDeviceName)
+            .apply()
+        Log.d(TAG, "Saved settings deviceName=${settingsDeviceName}")
+    }
 }

@OptIn(ExperimentalMaterial3Api::class)
@@ -478,7 +549,7 @@ fun MainContent(
    Scaffold(
        topBar = {
            TopAppBar(
-                title = { Text("LBJReceiver") },
+                title = { Text("LBJ Console") },
                actions = {
                    
                    timeSinceLastUpdate.value?.let { time ->
--- a/app/src/main/java/org/noxylva/lbjconsole/model/TrainRecord.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/model/TrainRecord.kt
@@ -1,11 +1,10 @@
-package receiver.lbj.model
+package org.noxylva.lbjconsole.model

 import android.util.Log
 import org.json.JSONObject
-import java.text.SimpleDateFormat
 import java.util.*
 import org.osmdroid.util.GeoPoint
-import receiver.lbj.util.LocationUtils
+import org.noxylva.lbjconsole.util.LocationUtils

 class TrainRecord(jsonData: JSONObject? = null) {
    companion object {
--- a/app/src/main/java/org/noxylva/lbjconsole/model/TrainRecordManager.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/model/TrainRecordManager.kt
@@ -1,4 +1,4 @@
-package receiver.lbj.model
+package org.noxylva.lbjconsole.model

 import android.content.Context
 import android.content.SharedPreferences
--- a/app/src/main/java/org/noxylva/lbjconsole/ui/components/TrainDetailDialog.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/components/TrainDetailDialog.kt
@@ -1,4 +1,4 @@
-package receiver.lbj.ui.components
+package org.noxylva.lbjconsole.ui.components

 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.rememberScrollState
@@ -16,7 +16,7 @@ import androidx.compose.ui.window.DialogProperties
 import org.osmdroid.tileprovider.tilesource.TileSourceFactory
 import org.osmdroid.views.MapView
 import org.osmdroid.views.overlay.Marker
-import receiver.lbj.model.TrainRecord
+import org.noxylva.lbjconsole.model.TrainRecord

@Composable
 fun TrainDetailDialog(
--- a/app/src/main/java/org/noxylva/lbjconsole/ui/components/TrainInfoCard.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/components/TrainInfoCard.kt
@@ -1,4 +1,4 @@
-package receiver.lbj.ui.components
+package org.noxylva.lbjconsole.ui.components

 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -10,7 +10,7 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.material3.HorizontalDivider
-import receiver.lbj.model.TrainRecord
+import org.noxylva.lbjconsole.model.TrainRecord

@Composable
 fun TrainInfoCard(
--- a/app/src/main/java/org/noxylva/lbjconsole/ui/components/TrainRecordsList.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/components/TrainRecordsList.kt
@@ -1,4 +1,4 @@
-package receiver.lbj.ui.components
+package org.noxylva.lbjconsole.ui.components

 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
@@ -9,7 +9,6 @@ import androidx.compose.material.icons.filled.Clear
 import androidx.compose.material.icons.filled.FilterList
 import androidx.compose.material.icons.filled.Share
 import androidx.compose.material3.*
-import androidx.compose.material3.TopAppBarDefaults.topAppBarColors
 import androidx.compose.runtime.*
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.ui.Alignment
@@ -18,7 +17,7 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import receiver.lbj.model.TrainRecord
+import org.noxylva.lbjconsole.model.TrainRecord
 import java.text.SimpleDateFormat
 import java.util.*

--- a/app/src/main/java/org/noxylva/lbjconsole/ui/screens/HistoryScreen.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/screens/HistoryScreen.kt
@@ -1,10 +1,5 @@
-package receiver.lbj.ui.screens
+package org.noxylva.lbjconsole.ui.screens

-import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.animation.fadeIn
-import androidx.compose.animation.fadeOut
-import androidx.compose.animation.slideInVertically
-import androidx.compose.animation.slideOutVertically
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.background
@@ -17,18 +12,11 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.ripple.rememberRipple
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.*
-import androidx.compose.material.icons.filled.FilterList
-import androidx.compose.material.icons.filled.SignalCellular4Bar
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
-import androidx.compose.ui.input.pointer.pointerInput
-import androidx.compose.ui.input.pointer.positionChange
-import androidx.compose.ui.geometry.Offset
-import androidx.compose.foundation.gestures.detectTransformGestures
-import androidx.compose.ui.input.pointer.util.VelocityTracker
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
@@ -42,8 +30,8 @@ import org.osmdroid.views.overlay.Marker
 import org.osmdroid.views.overlay.mylocation.GpsMyLocationProvider
 import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay
 import org.osmdroid.views.overlay.TilesOverlay
-import receiver.lbj.model.TrainRecord
-import receiver.lbj.util.LocoInfoUtil
+import org.noxylva.lbjconsole.model.TrainRecord
+import org.noxylva.lbjconsole.util.LocoInfoUtil
 import java.text.SimpleDateFormat
 import java.util.*

--- a/app/src/main/java/org/noxylva/lbjconsole/ui/screens/MapScreen.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/screens/MapScreen.kt
@@ -1,25 +1,15 @@
-package receiver.lbj.ui.screens
+package org.noxylva.lbjconsole.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
 import android.graphics.PorterDuffColorFilter
-import android.location.Location
-import android.location.LocationListener
 import android.util.Log
-import android.location.LocationManager
-import android.view.View
 import android.view.ViewGroup
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Refresh
-import androidx.compose.material.icons.filled.Add
-import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.filled.MyLocation
 import androidx.compose.material.icons.filled.Layers
 import androidx.compose.material3.*
@@ -36,19 +26,15 @@ import androidx.lifecycle.LifecycleEventObserver
 import kotlinx.coroutines.launch
 import org.osmdroid.config.Configuration
 import org.osmdroid.tileprovider.MapTileProviderBasic
-import org.osmdroid.tileprovider.tilesource.OnlineTileSourceBase
 import org.osmdroid.tileprovider.tilesource.TileSourceFactory
 import org.osmdroid.tileprovider.tilesource.XYTileSource
 import org.osmdroid.util.GeoPoint
 import org.osmdroid.views.MapView
 import org.osmdroid.views.overlay.*
-import org.osmdroid.views.overlay.compass.CompassOverlay
-import org.osmdroid.views.overlay.compass.InternalCompassOrientationProvider
 import org.osmdroid.views.overlay.mylocation.GpsMyLocationProvider
 import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay
-import receiver.lbj.model.TrainRecord
+import org.noxylva.lbjconsole.model.TrainRecord
 import java.io.File
-import java.util.*


@Composable
@@ -184,13 +170,7 @@ fun MapScreen(
        mapView.invalidate()
        
        
-        if (!isMapInitialized && validRecords.isNotEmpty()) {
-            validRecords.firstOrNull()?.getCoordinates()?.let { point ->
-                mapView.controller.setZoom(12.0)
-                mapView.controller.setCenter(point)
-                isMapInitialized = true
-            }
-        }
+
    }
    
    
@@ -258,7 +238,7 @@ fun MapScreen(

                            val railwayTileSource = XYTileSource(
                                "OpenRailwayMap",
-                                0, 24,  // 穷尽所有可能的缩放级别
+                                0, 24,
                                256,
                                ".png",
                                arrayOf(
@@ -297,7 +277,15 @@ fun MapScreen(
                        }
                        
                        
-                                                controller.setZoom(10.0)
+                                                if (validRecords.isNotEmpty()) {
+                            validRecords.lastOrNull()?.getCoordinates()?.let { lastPoint ->
+                                controller.setCenter(lastPoint)
+                                controller.setZoom(12.0)
+                            }
+                        } else {
+                            controller.setCenter(defaultPosition)
+                            controller.setZoom(10.0)
+                        }
                        
                        
                        try {
@@ -307,28 +295,8 @@ fun MapScreen(
                                locationUpdateMinTime = 1000 
                            }
                            
+                            
                            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 {
@@ -337,21 +305,40 @@ fun MapScreen(
                                            currentLocation = GeoPoint(location.latitude, location.longitude)
                                            
                                            if (!isMapInitialized) {
-                                                controller.animateTo(location)
-                                                
-                                                isMapInitialized = true
-                                            }
+                                    controller.setCenter(location)
+                                    controller.setZoom(15.0)
+                                    isMapInitialized = true
+                                    Log.d("MapScreen", "Map initialized with GPS position: $location")
+                                }
                                        } ?: run {
-                                            
                                            if (!isMapInitialized) {
-                                                controller.animateTo(defaultPosition)
-                                            }
+                                    if (validRecords.isNotEmpty()) {
+                                        validRecords.lastOrNull()?.getCoordinates()?.let { lastPoint ->
+                                            controller.setCenter(lastPoint)
+                                            controller.setZoom(12.0)
+                                            isMapInitialized = true
+                                            Log.d("MapScreen", "Map initialized with last record position: $lastPoint")
+                                        }
+                                    } else {
+                                        controller.setCenter(defaultPosition)
+                                        isMapInitialized = true
+                                    }
+                                }
                                        }
                                    } catch (e: Exception) {
                                        e.printStackTrace()
-                                        
                                        if (!isMapInitialized) {
-                                            controller.animateTo(defaultPosition)
+                                            if (validRecords.isNotEmpty()) {
+                                                validRecords.lastOrNull()?.getCoordinates()?.let { lastPoint ->
+                                                    controller.setCenter(lastPoint)
+                                                    controller.setZoom(12.0)
+                                                    isMapInitialized = true
+                                                    Log.d("MapScreen", "Map fallback to last record position: $lastPoint")
+                                                }
+                                            } else {
+                                                controller.setCenter(defaultPosition)
+                                                isMapInitialized = true
+                                            }
                                        }
                                    }
                                }
@@ -425,7 +412,7 @@ fun MapScreen(
                        overlay.enableFollowLocation()
                        overlay.enableMyLocation()
                        overlay.myLocation?.let { location ->
-                            mapViewRef.value?.controller?.animateTo(location)
+                            mapViewRef.value?.controller?.setCenter(location)
                        }
                    }
                },
@@ -467,14 +454,22 @@ fun MapScreen(
            FloatingActionButton(
                onClick = {
                    mapViewRef.value?.let { mapView ->
-                        if (validRecords.isNotEmpty()) {
-                            validRecords.firstOrNull()?.getCoordinates()?.let { point ->
-                                mapView.controller.animateTo(point)
-                                mapView.controller.setZoom(12.0)
+                        myLocationOverlayRef.value?.myLocation?.let { gpsLocation ->
+                            mapView.controller.setCenter(gpsLocation)
+                            mapView.controller.setZoom(15.0)
+                            Log.d("MapScreen", "Refresh button: GPS position used")
+                        } ?: run {
+                            if (validRecords.isNotEmpty()) {
+                                validRecords.lastOrNull()?.getCoordinates()?.let { point ->
+                                    mapView.controller.setCenter(point)
+                                    mapView.controller.setZoom(12.0)
+                                    Log.d("MapScreen", "Refresh button: last record position used")
+                                }
+                            } else {
+                                mapView.controller.setCenter(defaultPosition)
+                                mapView.controller.setZoom(10.0)
+                                Log.d("MapScreen", "Refresh button: default position used")
                            }
-                        } else {
-                            mapView.controller.animateTo(defaultPosition)
-                            mapView.controller.setZoom(10.0)
                        }
                    }
                    onCenterMap()
--- a/app/src/main/java/org/noxylva/lbjconsole/ui/screens/MonitorScreen.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/screens/MonitorScreen.kt
@@ -1,9 +1,7 @@
-package receiver.lbj.ui.screens
+package org.noxylva.lbjconsole.ui.screens

 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Clear
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
@@ -14,8 +12,8 @@ import androidx.compose.ui.unit.TextUnit
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import kotlinx.coroutines.delay
-import receiver.lbj.model.TrainRecord
-import receiver.lbj.ui.components.TrainDetailDialog
+import org.noxylva.lbjconsole.model.TrainRecord
+import org.noxylva.lbjconsole.ui.components.TrainDetailDialog
 import java.text.SimpleDateFormat
 import java.util.*

--- a/app/src/main/java/org/noxylva/lbjconsole/ui/screens/SettingsScreen.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/screens/SettingsScreen.kt
@@ -0,0 +1,57 @@
+package org.noxylva.lbjconsole.ui.screens
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalUriHandler
+import androidx.compose.ui.unit.dp
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SettingsScreen(
+    deviceName: String,
+    onDeviceNameChange: (String) -> Unit,
+    onApplySettings: () -> Unit
+) {
+    val uriHandler = LocalUriHandler.current
+    
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            OutlinedTextField(
+                value = deviceName,
+                onValueChange = onDeviceNameChange,
+                label = { Text("蓝牙设备名称") },
+                modifier = Modifier.fillMaxWidth(),
+            )
+
+            Button(
+                onClick = onApplySettings,
+                modifier = Modifier.fillMaxWidth()
+            ) {
+                Text("应用设置")
+            }
+        }
+        
+        Spacer(modifier = Modifier.weight(1f))
+        
+        Text(
+            text = "LBJ Console v0.0.1 by undef-i",
+            style = MaterialTheme.typography.bodySmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant,
+            modifier = Modifier.clickable {
+                uriHandler.openUri("https://github.com/undef-i")
+            }
+        )
+    }
+}
--- a/app/src/main/java/org/noxylva/lbjconsole/ui/theme/Color.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/theme/Color.kt
@@ -1,4 +1,4 @@
-package receiver.lbj.ui.theme
+package org.noxylva.lbjconsole.ui.theme

 import androidx.compose.ui.graphics.Color

--- a/app/src/main/java/org/noxylva/lbjconsole/ui/theme/Theme.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/theme/Theme.kt
@@ -1,8 +1,6 @@
-package receiver.lbj.ui.theme
+package org.noxylva.lbjconsole.ui.theme

-import android.app.Activity
 import android.os.Build
-import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.dynamicDarkColorScheme
--- a/app/src/main/java/org/noxylva/lbjconsole/ui/theme/Type.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/theme/Type.kt
@@ -1,4 +1,4 @@
-package receiver.lbj.ui.theme
+package org.noxylva.lbjconsole.ui.theme

 import androidx.compose.material3.Typography
 import androidx.compose.ui.text.TextStyle
--- a/app/src/main/java/org/noxylva/lbjconsole/util/LocationUtils.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/util/LocationUtils.kt
@@ -1,8 +1,7 @@
-package receiver.lbj.util
+package org.noxylva.lbjconsole.util

 import android.util.Log
 import org.osmdroid.util.GeoPoint
-import kotlin.math.abs


 object LocationUtils {
--- a/app/src/main/java/org/noxylva/lbjconsole/util/LocoInfoUtil.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/util/LocoInfoUtil.kt
@@ -1,4 +1,4 @@
-package receiver.lbj.util
+package org.noxylva.lbjconsole.util

 import android.content.Context
 import android.util.Log
--- a/app/src/main/java/receiver/lbj/ui/screens/SettingsScreen.kt
+++ b/app/src/main/java/receiver/lbj/ui/screens/SettingsScreen.kt
@@ -1,38 +0,0 @@
-package receiver.lbj.ui.screens
-
-import androidx.compose.foundation.layout.*
-import androidx.compose.material3.*
-import androidx.compose.runtime.*
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
-
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-fun SettingsScreen(
-    deviceName: String,
-    onDeviceNameChange: (String) -> Unit,
-    onApplySettings: () -> Unit
-) {
-    Column(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(16.dp),
-        horizontalAlignment = Alignment.CenterHorizontally,
-        verticalArrangement = Arrangement.spacedBy(16.dp)
-    ) {
-        Text("设置", style = MaterialTheme.typography.headlineMedium)
-
-        OutlinedTextField(
-            value = deviceName,
-            onValueChange = onDeviceNameChange,
-            label = { Text("蓝牙设备名称") },
-            modifier = Modifier.fillMaxWidth()
-        )
-
-        Button(onClick = onApplySettings, modifier = Modifier.fillMaxWidth()) {
-            Text("应用设备名称")
-        }
-        
-    }
-}
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,3 +1,3 @@
 <resources>
-    <string name="app_name">LBJ Receiver</string>
+    <string name="app_name">LBJ Console</string>
 </resources>