Start LocationService

app/src/main/AndroidManifest.xml

@@ -31,6 +31,10 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/file_paths" />
         </provider>
+        <service android:name=".LocationService"
+            android:enabled="true"
+            android:exported="true"
+            android:foregroundServiceType="location"></service>
     </application>
 
     <uses-permission android:name="android.permission.INTERNET" />
@@ -39,5 +43,24 @@
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
 
     <uses-permission android:name="android.permission.CAMERA" />
+
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_LOCATION" />
+
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
     <uses-feature android:name="android.hardware.camera" android:required="false" />
-</manifest>
+</manifest>
+
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+

app/src/main/java/de/jadehs/strassenschadenpro2/LocationService.kt

@@ -0,0 +1,86 @@
+package de.jadehs.strassenschadenpro2
+
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.Service
+import android.content.Intent
+import android.os.Build
+import android.os.IBinder
+import android.os.Looper
+import android.util.Log
+import androidx.core.app.NotificationCompat
+import com.google.android.gms.location.FusedLocationProviderClient
+import com.google.android.gms.location.LocationCallback
+import com.google.android.gms.location.LocationRequest
+import com.google.android.gms.location.LocationResult
+import com.google.android.gms.location.LocationServices
+import com.google.android.gms.location.Priority
+
+class LocationService: Service() {
+
+    private lateinit var fusedLocationClient: FusedLocationProviderClient
+    private lateinit var locationCallback: LocationCallback
+
+    private val channelID = "1"
+    private val notificationID = 1
+
+    override fun onBind(p0: Intent?): IBinder? {
+        return null
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        fusedLocationClient = LocationServices.getFusedLocationProviderClient(this)
+        locationCallback = object: LocationCallback() {
+            override fun onLocationResult(locationResult: LocationResult){
+                for (location in locationResult.locations){
+                    val latitude = location.latitude
+                    val longitude = location.longitude
+                    Log.e("LocationService", "Location: $latitude, $longitude")
+                }
+            }
+        }
+    }
+
+    override fun onStartCommand(intent: Intent?,flags: Int,startId: Int): Int {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O){
+            val serviceChannel = NotificationChannel(
+                channelID,
+                "Location Service Channel",
+                NotificationManager.IMPORTANCE_DEFAULT
+            )
+            val manager = getSystemService(NotificationManager::class.java)
+            manager?.createNotificationChannel(serviceChannel)
+        }
+        val notification = NotificationCompat.Builder(this, channelID)
+            .setContentTitle("Location Service")
+            .setContentText("Running...")
+            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+            .build()
+        startForeground(notificationID, notification)
+        val locationRequest = LocationRequest.Builder(Priority.PRIORITY_HIGH_ACCURACY,60000).apply {
+            setMinUpdateIntervalMillis(30000)
+        }.build()
+        fusedLocationClient.requestLocationUpdates(locationRequest,locationCallback, Looper.getMainLooper())
+
+        return START_STICKY
+    }
+}
+
+
+
+
+
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+

app/src/main/java/de/jadehs/strassenschadenpro2/MainActivity.kt

@@ -1,10 +1,17 @@
 package de.jadehs.strassenschadenpro2
 
+import android.Manifest
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
 import android.os.Bundle
 import android.util.Log
+import android.widget.Toast
 import androidx.activity.ComponentActivity
+import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
@@ -17,9 +24,11 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
@@ -28,7 +37,9 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.modifier.modifierLocalConsumer
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.core.content.ContextCompat
 import de.jadehs.strassenschadenpro2.ui.theme.StrassenSchadenPro2Theme
+import kotlinx.coroutines.launch
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -36,9 +47,77 @@ class MainActivity : ComponentActivity() {
         enableEdgeToEdge()
 
         setContent {
+            if (checkPermissions(this)) {
+                startForegroundService(Intent(this, LocationService::class.java))
+            } else {
+                RequestPermissions(
+                    context = this,
+                    onPermissionsGranted = {
+                        startForegroundService(Intent(this, LocationService::class.java))
+                    }
+                )
+            }
             StrassenSchadenPro2Theme {
                 MainScreen(application=application)
             }
         }
+
+
+
+
     }
 }
+
+
+fun checkPermissions(context: Context): Boolean {
+    // Check permissions to see if both permissions are granted.
+    // Coarse location permission.
+    val permissionCheckCoarseLocation = ContextCompat.checkSelfPermission(
+        context,
+        Manifest.permission.ACCESS_COARSE_LOCATION
+    ) == PackageManager.PERMISSION_GRANTED
+    // Fine location permission.
+    val permissionCheckFineLocation = ContextCompat.checkSelfPermission(
+        context,
+        Manifest.permission.ACCESS_FINE_LOCATION
+    ) == PackageManager.PERMISSION_GRANTED
+    //Notification permission
+    val permissionNotification = ContextCompat.checkSelfPermission(
+        context,
+        Manifest.permission.POST_NOTIFICATIONS
+    ) == PackageManager.PERMISSION_GRANTED
+    return permissionCheckCoarseLocation && permissionCheckFineLocation && permissionNotification
+}
+
+fun showError(context: Context, message: String) {
+    Toast.makeText(context, message, Toast.LENGTH_LONG).show()
+}
+
+@Composable
+fun RequestPermissions(context: Context, onPermissionsGranted: () -> Unit) {
+
+    // Create an activity result launcher using permissions contract and handle the result.
+    val activityResultLauncher = rememberLauncherForActivityResult(
+        ActivityResultContracts.RequestMultiplePermissions()
+    ) { permissions ->
+        // Check if both fine & coarse location permissions are true.
+        if (permissions.all { it.value }) {
+            onPermissionsGranted()
+        } else {
+            showError(context, "Location permissions were denied")
+        }
+    }
+
+    LaunchedEffect(Unit) {
+        activityResultLauncher.launch(
+            // Request both fine and coarse location permissions.
+            arrayOf(
+                Manifest.permission.ACCESS_COARSE_LOCATION,
+                Manifest.permission.ACCESS_FINE_LOCATION,
+                Manifest.permission.POST_NOTIFICATIONS
+            )
+        )
+    }
+
+
+}