DroneSignalDetector.kt

package com.example.dronedetect

import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.net.wifi.WifiManager
import android.os.Handler
import android.os.Looper
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.SupervisorJob
import kotlinx.coroutines.cancel
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext

class DroneSignalDetector(private val context: Context) {
    private val handler = Handler(Looper.getMainLooper())
    private val wifiManager = context.applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager
    private val receiver = WifiScanReceiver()
    private val scope = CoroutineScope(SupervisorJob() + Dispatchers.IO)

    fun startScan() {
        scope.launch {
            fetchFlightData()
            // TODO: implement scanning logic
        }
    }

    suspend fun fetchFlightData() = withContext(Dispatchers.IO) {
        // TODO: implement fetching flight data
    }

    fun stopScan() {
        handler.removeCallbacksAndMessages(null)
        context.unregisterReceiver(receiver)
        scope.cancel()
    }
}

class WifiScanReceiver : BroadcastReceiver() {
    override fun onReceive(context: Context?, intent: Intent?) {
        // TODO: handle scan results
    }
}