Android のバックグラウンドGPSを組み込み
This commit is contained in:
@ -1,5 +1,5 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.rogapp">
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package="com.dvox.gifunavi">
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<!-- Flutter needs it to communicate with the running application
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to allow setting breakpoints, to provide hot reload, etc.
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-->
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@ -1,5 +1,5 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.rogapp">
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package="com.dvox.gifunavi">
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<uses-permission android:name="android.permission.INTERNET"/>
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<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
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<uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
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@ -42,7 +42,7 @@
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<meta-data android:name="com.google.android.geo.API_KEY"
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android:value="AIzaSyAUBI1ablMKuJwGj2-kSuEhvYxvB1A-mOE"/>
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<service
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android:name="com.example.rogapp.LocationService"
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android:name="com.dvox.gifunavi.LocationService"
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android:enabled="true"
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android:exported="false"
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android:foregroundServiceType="location" />
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241
android/app/src/main/kotlin/com/dvox/gifunavi/LocationService.kt
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241
android/app/src/main/kotlin/com/dvox/gifunavi/LocationService.kt
Normal file
@ -0,0 +1,241 @@
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package com.dvox.gifunavi // この部分を変更
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import android.location.Location
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import android.Manifest
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import android.app.NotificationChannel
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import android.app.NotificationManager
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import android.app.Service
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import android.content.Context
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import android.content.Intent
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import android.content.pm.PackageManager
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import android.location.LocationManager
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import android.os.Build
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import android.os.IBinder
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import android.util.Log
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import androidx.core.app.ActivityCompat
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import androidx.core.app.NotificationCompat
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import androidx.core.content.ContextCompat
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import com.google.android.gms.location.FusedLocationProviderClient
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import com.google.android.gms.location.LocationCallback
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import com.google.android.gms.location.LocationRequest
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import com.google.android.gms.location.LocationResult
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import com.google.android.gms.location.LocationServices
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import kotlinx.coroutines.GlobalScope
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import kotlinx.coroutines.launch
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import java.text.SimpleDateFormat
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import java.util.Date
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import java.util.Locale
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import android.app.Notification
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data class GpsData(
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val id: Int,
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val team_name: String,
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val event_code: String,
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val lat: Double,
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val lon: Double,
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val is_checkin: Int,
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val created_at: Long
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)
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class GpsDatabaseHelper(private val context: Context) {
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fun insertGps(gpsData: GpsData) {
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Log.d("LocationService", "Android: insertGps.")
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// ここにデータベースへの挿入処理を実装する
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}
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companion object {
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fun getInstance(context: Context): GpsDatabaseHelper {
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Log.d("LocationService", "Android: GpsDatabaseHelper.")
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return GpsDatabaseHelper(context)
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}
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}
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}
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class LocationService : Service() {
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private lateinit var fusedLocationClient: FusedLocationProviderClient
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override fun onBind(intent: Intent?): IBinder? {
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return null
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}
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override fun onCreate() {
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super.onCreate()
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Log.d("LocationService", "Android: onCreate.")
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fusedLocationClient = LocationServices.getFusedLocationProviderClient(this)
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// GPSデバイスが有効になっているか確認する
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val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
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if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
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Log.d("LocationService", "GPS is disabled.")
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// GPSが無効の場合の処理を追加する（例: ユーザーにGPSを有効にするように促すなど）
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}else{
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Log.d("LocationService", "GPS is enabled.")
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}
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// フォアグラウンドサービスの設定
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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val CHANNEL_ID = "location"
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val channel = NotificationChannel(CHANNEL_ID, "Location", NotificationManager.IMPORTANCE_DEFAULT)
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val notificationManager = getSystemService(NotificationManager::class.java) // この行を追加
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Log.d("LocationService", "Android: Foreground service.")
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notificationManager?.createNotificationChannel(channel)
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}
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val notification = NotificationCompat.Builder(this, "location")
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.setContentTitle("Tracking location...")
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.setContentText("Location: null")
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.setSmallIcon(android.R.drawable.ic_menu_mylocation) // リソースが存在しないため0を設定
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.setOngoing(true)
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.build()
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Log.d("LocationService", "Android: Foreground service 2.")
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startForeground(1, notification)
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}
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override fun onDestroy() {
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super.onDestroy()
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Log.d("LocationService", "Android: onDestroy.")
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fusedLocationClient.removeLocationUpdates(locationCallback)
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stopForeground(true)
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stopSelf()
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}
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companion object {
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private const val NOTIFICATION_ID = 1
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private const val CHANNEL_ID = "location_service_channel"
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}
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private fun createNotification(): Notification {
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Log.d("LocationService", "Android: createNotification Notification.")
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val notificationBuilder = NotificationCompat.Builder(this, CHANNEL_ID)
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.setContentTitle("Location Service")
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.setContentText("Running...")
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.setSmallIcon(android.R.drawable.ic_menu_mylocation)
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.setPriority(NotificationCompat.PRIORITY_DEFAULT)
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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val channelName = "Location Service Channel"
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val channelDescription = "Channel for Location Service"
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val importance = NotificationManager.IMPORTANCE_DEFAULT
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val channel = NotificationChannel(CHANNEL_ID, channelName, importance).apply {
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description = channelDescription
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}
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val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
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notificationManager.createNotificationChannel(channel)
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}
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return notificationBuilder.build()
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}
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private fun createNotificationChannel() {
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Log.d("LocationService", "Android: createNotificationChannel.")
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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val channel = NotificationChannel(
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CHANNEL_ID,
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"Location Service Channel",
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NotificationManager.IMPORTANCE_DEFAULT
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)
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val manager = getSystemService(NotificationManager::class.java)
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manager.createNotificationChannel(channel)
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}
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}
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private var lastLocation: Location? = null
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private val locationCallback = object : LocationCallback() {
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override fun onLocationResult(locationResult: LocationResult) {
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val currentLocation = locationResult.lastLocation
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//Log.d("LocationService", "Android: onLocationResult.")
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if (currentLocation != null) {
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val accuracy = currentLocation.accuracy
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if (accuracy <= 30) {
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var lastLocation = lastLocation
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if (lastLocation == null || currentLocation.distanceTo(lastLocation) >= 10) {
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val lat = currentLocation.latitude
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val lon = currentLocation.longitude
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val currentTime = System.currentTimeMillis()
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// GPS データをデバッグ用に表示
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val sdf = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault())
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val formattedTime = sdf.format(Date(currentTime))
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//Log.d("LocationService", "Latitude: $lat, Longitude: $lon, Time: $formattedTime, Accuracy: $accuracy")
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// GPS データをデータベースに保存
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GlobalScope.launch {
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addGPStoDB(lat, lon, currentTime)
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}
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lastLocation = currentLocation
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}
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} else {
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Log.d("LocationService", "Android: GPS accuracy is above 30m. Skipping data saving.")
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}
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} else {
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Log.d("LocationService", "Android: No GPS signal received.")
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}
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}
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}
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override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
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Log.d("LocationService", "Android: onStartCommand.")
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// 位置情報の権限チェックとGPS有効化の確認を行う
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
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val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
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if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
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val locationRequest = LocationRequest.create().apply {
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priority = LocationRequest.PRIORITY_HIGH_ACCURACY
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interval = 10000
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fastestInterval = 5000
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}
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fusedLocationClient.requestLocationUpdates(locationRequest, locationCallback, null)
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} else {
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Log.d("LocationService", "GPS is disabled.")
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// GPSが無効の場合の処理を追加する（例: ユーザーにGPSを有効にするように促すなど）
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}
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} else {
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Log.d("LocationService", "Location permission is not granted.")
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// 位置情報の権限が許可されていない場合の処理を追加する
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}
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// Foregroundサービスを開始
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startForeground(NOTIFICATION_ID, createNotification())
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return START_STICKY
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}
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private suspend fun addGPStoDB(lat: Double, lng: Double, timestamp: Long, isCheckin: Int = 0) {
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try {
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val context = applicationContext
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val preferences = context.getSharedPreferences("RogPreferences", Context.MODE_PRIVATE)
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val teamName = preferences.getString("team_name", "") ?: ""
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val eventCode = preferences.getString("event_code", "") ?: ""
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if (teamName.isNotEmpty() && eventCode.isNotEmpty()) {
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val gpsData = GpsData(
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id = 0,
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team_name = teamName,
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event_code = eventCode,
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lat = lat,
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lon = lng,
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is_checkin = isCheckin,
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created_at = timestamp
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)
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val db = GpsDatabaseHelper.getInstance(context)
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db.insertGps(gpsData)
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Log.d("LocationService", "Android: addGPStoDB.")
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}
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} catch (e: Exception) {
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Log.e("LocationService", "Error adding GPS data to DB", e)
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}
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}
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}
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114
android/app/src/main/kotlin/com/dvox/gifunavi/MainActivity.kt
Normal file
114
android/app/src/main/kotlin/com/dvox/gifunavi/MainActivity.kt
Normal file
@ -0,0 +1,114 @@
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package com.dvox.gifunavi // この部分を変更
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import android.Manifest
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import android.app.ActivityManager
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import android.content.Context
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import android.content.Intent
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import android.content.pm.PackageManager
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import android.os.Build
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import android.os.Bundle
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import android.widget.Toast
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import androidx.annotation.NonNull
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import androidx.core.app.ActivityCompat
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import androidx.core.content.ContextCompat
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import io.flutter.embedding.android.FlutterActivity
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import io.flutter.embedding.engine.FlutterEngine
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import io.flutter.plugin.common.MethodChannel
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import android.util.Log
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class MainActivity: FlutterActivity() {
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private val CHANNEL = "location"
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override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
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super.configureFlutterEngine(flutterEngine)
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MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL).setMethodCallHandler {
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call, result ->
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when (call.method) {
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"startLocationService" -> {
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Log.d("MainActivity", "Android: called startLocationService.")
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//val intent = Intent(this, LocationService::class.java)
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startLocationService()
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result.success(null)
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}
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"stopLocationService" -> {
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Log.d("MainActivity", "Android: called stopLocationService.")
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//val intent = Intent(this, LocationService::class.java)
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stopLocationService()
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result.success(null)
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}
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else -> {
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result.notImplemented()
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}
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}
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}
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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Log.d("MainActivity", "Android: onCreate.")
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// 位置情報の権限をリクエストする
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.ACCESS_FINE_LOCATION), PERMISSION_REQUEST_CODE)
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} else {
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// startLocationService() // アプリ起動時にLocationServiceを開始する ==> main.dartで制御する。
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}
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}
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override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults)
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if (requestCode == PERMISSION_REQUEST_CODE) {
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if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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// startLocationService()
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Log.d("MainActivity", "Android: PERMISSION_GRANTED.")
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} else {
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// 位置情報の権限が拒否された場合の処理
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Toast.makeText(this, "Location permission denied.", Toast.LENGTH_SHORT).show()
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}
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}
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}
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companion object {
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private const val PERMISSION_REQUEST_CODE = 1
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}
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private fun startLocationService() {
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Log.d("MainActivity", "Android: startLocationService.")
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
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if (!isServiceRunning(LocationService::class.java)) {
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val intent = Intent(this, LocationService::class.java)
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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Log.d("MainActivity", "startForegroundService")
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startForegroundService(intent)
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} else {
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Log.d("MainActivity", "startService")
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startService(intent)
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}
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} else {
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Log.d("MainActivity", "Location service is already running.")
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}
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} else {
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Log.d("MainActivity", "Location permission is not granted.")
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// 位置情報の権限が許可されていない場合の処理を追加する
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}
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}
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private fun stopLocationService() {
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Log.d("MainActivity", "Android: stopLocationService.")
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val intent = Intent(this, LocationService::class.java)
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stopService(intent)
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}
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private fun isServiceRunning(serviceClass: Class<*>): Boolean {
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val manager = getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
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for (service in manager.getRunningServices(Int.MAX_VALUE)) {
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if (serviceClass.name == service.service.className) {
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return true
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}
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}
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return false
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}
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}
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@ -1,98 +0,0 @@
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import android.app.NotificationChannel
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import android.app.NotificationManager
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import android.app.Service
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import android.content.Context
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import android.content.Intent
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import android.os.Build
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import android.os.IBinder
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import androidx.core.app.NotificationCompat
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class LocationService : Service() {
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override fun onBind(intent: Intent?): IBinder? {
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return null
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}
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|
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override fun onCreate() {
|
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super.onCreate()
|
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// フォアグラウンドサービスの設定
|
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
|
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val channel = NotificationChannel(
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"location",
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"Location",
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NotificationManager.IMPORTANCE_LOW
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)
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val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
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notificationManager.createNotificationChannel(channel)
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}
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val notification = NotificationCompat.Builder(this, "location")
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.setContentTitle("Tracking location...")
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.setContentText("Location: null")
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.setSmallIcon(R.drawable.ic_launcher)
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.setOngoing(true)
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.build()
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startForeground(1, notification)
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}
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override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
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// バックグラウンドでの位置情報取得処理を実装
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val locationSettings = LocationSettings.Builder()
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.setAccuracy(LocationAccuracy.HIGH)
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.setDistanceFilter(100.0f)
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.build()
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try {
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Geolocator.getPositionStream(locationSettings)
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.catch { e ->
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// エラーハンドリング
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println("Location Error: $e")
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null
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}
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.filterNotNull()
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.filter { position ->
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// GPS信号がlow以上の場合のみ記録
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position.accuracy <= 100
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}
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.onEach { position ->
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val lat = position.latitude
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||||
val lng = position.longitude
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||||
val timestamp = System.currentTimeMillis()
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||||
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||||
// データベースに位置情報を保存
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||||
addGPStoDB(lat, lng, timestamp)
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||||
}
|
||||
.launchIn(CoroutineScope(Dispatchers.IO))
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||||
} catch (e: Exception) {
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||||
println("Error starting background tracking: $e")
|
||||
}
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||||
|
||||
return START_STICKY
|
||||
}
|
||||
|
||||
private fun addGPStoDB(lat: Double, lng: Double, isCheckin: Int = 0) {
|
||||
try {
|
||||
val context = applicationContext
|
||||
val preferences = context.getSharedPreferences("RogPreferences", Context.MODE_PRIVATE)
|
||||
val teamName = preferences.getString("team_name", "") ?: ""
|
||||
val eventCode = preferences.getString("event_code", "") ?: ""
|
||||
|
||||
if (teamName.isNotEmpty() && eventCode.isNotEmpty()) {
|
||||
val gpsData = GpsData(
|
||||
id = 0,
|
||||
team_name = teamName,
|
||||
event_code = eventCode,
|
||||
lat = lat,
|
||||
lon = lng,
|
||||
is_checkin = isCheckin,
|
||||
created_at = System.currentTimeMillis()
|
||||
)
|
||||
|
||||
GlobalScope.launch {
|
||||
val db = GpsDatabaseHelper.getInstance(context)
|
||||
db.insertGps(gpsData)
|
||||
}
|
||||
}
|
||||
} catch (e: Exception) {
|
||||
println("Error adding GPS data to DB: $e")
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,33 +0,0 @@
|
||||
package com.example.rogapp
|
||||
|
||||
import io.flutter.embedding.android.FlutterActivity
|
||||
|
||||
import androidx.annotation.NonNull
|
||||
import io.flutter.embedding.engine.FlutterEngine
|
||||
import io.flutter.plugin.common.MethodChannel
|
||||
|
||||
class MainActivity: FlutterActivity() {
|
||||
private val CHANNEL = "location"
|
||||
|
||||
override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
|
||||
super.configureFlutterEngine(flutterEngine)
|
||||
MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL).setMethodCallHandler {
|
||||
call, result ->
|
||||
when (call.method) {
|
||||
"startLocationService" -> {
|
||||
val intent = Intent(this, LocationService::class.java)
|
||||
startService(intent)
|
||||
result.success(null)
|
||||
}
|
||||
"stopLocationService" -> {
|
||||
val intent = Intent(this, LocationService::class.java)
|
||||
stopService(intent)
|
||||
result.success(null)
|
||||
}
|
||||
else -> {
|
||||
result.notImplemented()
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user