Scanner UI

18 files changed, 518 insertions, 238 deletions

diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index ad8390f..9a7c0fe 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -47,6 +47,8 @@ dependencies {
     implementation(libs.androidx.lifecycle.livedata.ktx)
     implementation(libs.androidx.lifecycle.viewmodel.ktx)
     implementation(libs.androidx.cardview)
+    implementation(libs.androidx.databinding.common)
+    implementation(libs.androidx.databinding.runtime)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 05bd126..6541e4c 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,23 +9,27 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"  />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
     <application
-        android:requestLegacyExternalStorage="true"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Base.Theme.Netmon">
+        <service
+            android:name=".ScannerService"
+            android:exported="false" />
         <activity
             android:name=".MainActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
diff --git a/app/src/main/java/net/rctt/netmon/Cell.kt b/app/src/main/java/net/rctt/netmon/Cell.kt
new file mode 100644
index 0000000..f292109
--- /dev/null
+++ b/app/src/main/java/net/rctt/netmon/Cell.kt
@@ -0,0 +1,104 @@
+package net.rctt.netmon
+
+import android.telephony.CellIdentity
+import android.telephony.CellIdentityNr
+import android.telephony.CellInfo
+import android.telephony.CellInfoGsm
+import android.telephony.CellInfoLte
+import android.telephony.CellInfoNr
+import android.telephony.CellInfoTdscdma
+import android.telephony.CellInfoWcdma
+
+// NETWORK_TYPE;MCC;MNC;LAC;CID;PSC;CHANNEL;LATITUDE;LONGITUDE;ACCURACY;DESCRIPTION
+
+/*
+NETWORK_TYPE 	String 	C (CDMA), G (GSM), W (WCDMA), T (TDSCDMA), L (LTE), N (5G NR) 	Mandatory for CDMA
+MCC 	String 	3 digits 	Mandatory
+MNC 	String 	2 or 3 digits 	Mandatory
+LAC 	Int 	NID (CDMA), LAC (GSM, WCDMA, TDSCDMA), TAC (LTE, 5G NR) 	Mandatory
+CID 	Long 	BID (CDMA), CID (GSM, WCDMA, TDSCDMA), CI (LTE), NCI (5G NR) 	Mandatory
+PSC 	Int 	SID (CDMA), BSIC (GSM), PSC (WCDMA), CPID (TDSCDMA), PCI (LTE, 5G NR) 	Mandatory for CDMA
+CHANNEL 	Int 	ARFCN (GSM, 5G NR), UARFCN (WCDMA, TDSCDMA), EARFCN (LTE)
+LATITUDE 	Double 	[-90;90], . as separator
+LONGITUDE 	Double 	[-180;180], . as separator
+ACCURACY 	Int 	in meters
+DESCRIPTION 	String 	text
+*/
+
+class CellDbItem {
+    var Type: String = ""
+    var MCC: String = ""
+    var MNC: String = ""
+    var LAC: Int = 0
+    var CID: Long = 0
+    var PSC: Int = 0
+    var Channel: Int = 0
+    var Latitude: Double = 0.0
+    var Longitude: Double = 0.0
+    var Accuracy: Int = 0
+    var Description: String = ""
+}
+
+class CellLogItem {
+    var type: String = ""
+    var lac: Int = 0
+    var cid: Long = 0
+    
+    var description: String = "Unknown"
+    var latitude: Double = 0.0
+    var longitude: Double = 0.0
+
+    var power: Number = 0
+    var id: String = ""
+    val powerHistory: MutableList<Number> = mutableListOf()
+
+    constructor(cell: CellInfo) {
+        when (cell) {
+            is CellInfoGsm -> {
+                type = "GSM"
+                cid = cell.cellIdentity.cid.toLong()
+                lac = cell.cellIdentity.lac
+            }
+
+            is CellInfoLte -> {
+                type = "LTE"
+                cid = cell.cellIdentity.ci.toLong()
+                lac = cell.cellIdentity.tac
+            }
+
+            is CellInfoNr -> {
+                type = "NR"
+                val id = cell.cellIdentity as CellIdentityNr
+                cid = id.nci
+                lac = id.tac
+            }
+
+            is CellInfoTdscdma -> {
+                type = "TDSCMA"
+                cid = cell.cellIdentity.cid.toLong()
+                lac = cell.cellIdentity.lac
+            }
+
+            is CellInfoWcdma -> {
+                type = "WCDMA   "
+                cid = cell.cellIdentity.cid.toLong()
+                lac = cell.cellIdentity.lac
+            }
+        }
+
+        id = "$lac.$cid"
+        repeat(20) {
+            powerHistory.add(-100)
+        }
+    }
+
+    fun update(cell: CellInfo) {
+        power = cell.cellSignalStrength.dbm
+        powerHistory.removeAt(0)
+        powerHistory.add(power)
+    }
+
+    fun valid(): Boolean {
+        return lac != CellInfo.UNAVAILABLE
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/CellDb.kt b/app/src/main/java/net/rctt/netmon/CellDb.kt
new file mode 100644
index 0000000..7c377d5
--- /dev/null
+++ b/app/src/main/java/net/rctt/netmon/CellDb.kt
@@ -0,0 +1,51 @@
+package net.rctt.netmon
+
+import java.io.File
+import com.jsoizo.kotlincsv.CsvDialect
+import com.jsoizo.kotlincsv.csvReader
+import com.jsoizo.kotlincsv.reader.readFromFile
+
+class CellDb {
+    val db = HashMap<Int, HashMap<Long, CellDbItem>>()
+
+    constructor() {
+        val reader = csvReader {
+            dialect = CsvDialect(delimiter = ';')
+        }
+
+        reader.readFromFile(File("/storage/emulated/0/cells.csv")) { rows ->
+            rows.forEach {
+                val item = CellDbItem()
+                item.Type = it.elementAt(0)
+                item.MCC = it.elementAt(1)
+                item.MNC = it.elementAt(2)
+                item.LAC = it.elementAt(3).toInt()
+                item.CID = it.elementAt(4).toLong()
+                if (it.elementAt(5) != "") {
+                    item.PSC = it.elementAt(5).toInt()
+                }
+                if (it.elementAt(6) != "") {
+                    item.Channel = it.elementAt(6).toInt()
+                }
+                item.Latitude = it.elementAt(7).toDouble()
+                item.Longitude = it.elementAt(8).toDouble()
+                if (it.elementAt(9) != "") {
+                    item.Accuracy = it.elementAt(9).toInt()
+                }
+                item.Description = it.elementAt(10)
+
+                var lac = db[item.LAC]
+                if (lac == null) {
+                    db[item.LAC] = HashMap()
+                    lac = db[item.LAC]
+                }
+
+                lac?.set(item.CID, item)
+            }
+        }
+    }
+
+    fun get(lac: Int, cid: Long): CellDbItem? {
+        return db[lac]?.get(cid)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/CellDbItem.kt b/app/src/main/java/net/rctt/netmon/CellDbItem.kt
deleted file mode 100644
index 2922bb1..0000000
--- a/app/src/main/java/net/rctt/netmon/CellDbItem.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-package net.rctt.netmon
-
-// NETWORK_TYPE;MCC;MNC;LAC;CID;PSC;CHANNEL;LATITUDE;LONGITUDE;ACCURACY;DESCRIPTION
-
-/*
-NETWORK_TYPE 	String 	C (CDMA), G (GSM), W (WCDMA), T (TDSCDMA), L (LTE), N (5G NR) 	Mandatory for CDMA
-MCC 	String 	3 digits 	Mandatory
-MNC 	String 	2 or 3 digits 	Mandatory
-LAC 	Int 	NID (CDMA), LAC (GSM, WCDMA, TDSCDMA), TAC (LTE, 5G NR) 	Mandatory
-CID 	Long 	BID (CDMA), CID (GSM, WCDMA, TDSCDMA), CI (LTE), NCI (5G NR) 	Mandatory
-PSC 	Int 	SID (CDMA), BSIC (GSM), PSC (WCDMA), CPID (TDSCDMA), PCI (LTE, 5G NR) 	Mandatory for CDMA
-CHANNEL 	Int 	ARFCN (GSM, 5G NR), UARFCN (WCDMA, TDSCDMA), EARFCN (LTE)
-LATITUDE 	Double 	[-90;90], . as separator
-LONGITUDE 	Double 	[-180;180], . as separator
-ACCURACY 	Int 	in meters
-DESCRIPTION 	String 	text
-*/
-
-class CellDbItem {
-    var Type: String = ""
-    var MCC: String = ""
-    var MNC: String = ""
-    var LAC: Int = 0
-    var CID: Long = 0
-    var PSC: Int = 0
-    var Channel: Int = 0
-    var Latitude: Double = 0.0
-    var Longitude: Double = 0.0
-    var Accuracy: Int = 0
-    var Description: String = ""
-}
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/CellView.kt b/app/src/main/java/net/rctt/netmon/CellView.kt
index 55668c3..1d60a21 100644
--- a/app/src/main/java/net/rctt/netmon/CellView.kt
+++ b/app/src/main/java/net/rctt/netmon/CellView.kt
@@ -7,6 +7,7 @@ import android.telephony.CellInfoLte
 import android.telephony.CellInfoNr
 import android.telephony.CellInfoTdscdma
 import android.telephony.CellInfoWcdma
+import android.util.Log
 import android.view.LayoutInflater
 import android.widget.TextView
 import androidx.constraintlayout.widget.ConstraintLayout
@@ -16,96 +17,46 @@ import com.androidplot.xy.XYPlot
 import org.osmdroid.util.GeoPoint
 import org.osmdroid.views.overlay.Marker
 
-class CellView : ConstraintLayout{
-    var cellId: Number
-    var power: Int
-    var powerHistory: MutableList<Number>
+class CellView : ConstraintLayout {
 
     var typeView: TextView
-    var idView: TextView
+    var lacView: TextView
+    var cidView: TextView
     var powerView: TextView
     var descView: TextView
 
     var powerChartView: XYPlot
     var powerChartSeries: SimpleXYSeries
 
-    lateinit var mapMarker: Marker
-
-    constructor(ctx: Context, id: Number) : super(ctx) {
-        cellId = id
-        power = 0
-
+    constructor(ctx: Context, cell: CellLogItem) : super(ctx) {
         LayoutInflater.from(context).inflate(R.layout.cell_view, this)
         typeView = findViewById(R.id.type)
-        idView = findViewById(R.id.id)
+        lacView = findViewById(R.id.lac)
+        cidView = findViewById(R.id.cid)
         powerView = findViewById(R.id.power)
         descView = findViewById(R.id.desc)
         powerChartView = findViewById(R.id.power_chart)
-        powerHistory = mutableListOf()
-        powerChartSeries= SimpleXYSeries(
-            powerHistory,
+        powerChartSeries = SimpleXYSeries(
+            cell.powerHistory,
             SimpleXYSeries.ArrayFormat.Y_VALS_ONLY,
             "Series"
         )
-        populatePowerChart()
-
-        idView.text = cellId.toString()
-    }
-
-    fun set(cell: CellInfoGsm){
-        power = cell.cellSignalStrength.dbm
-        typeView.text = "GSM"
-        powerView.text = power.toString()
-    }
-
-    fun set(cell: CellInfoLte){
-        power = cell.cellSignalStrength.dbm
-        typeView.text = "LTE"
-        powerView.text = power.toString()
-    }
 
-    fun set(cell: CellInfoNr){
-        power = cell.cellSignalStrength.dbm
-        typeView.text = "NR"
-        powerView.text = power.toString()
+        typeView.text = cell.type
+        lacView.text = cell.lac.toString()
+        cidView.text = cell.cid.toString()
+        powerView.text = cell.power.toString()
+        descView.text = cell.description
     }
 
-    fun set(cell: CellInfoTdscdma){
-        power = cell.cellSignalStrength.dbm
-        typeView.text = "TDSCDMA"
-        powerView.text = power.toString()
-    }
-
-    fun set(cell: CellInfoWcdma){
-        power = cell.cellSignalStrength.dbm
-        typeView.text = "WCDMA"
-        powerView.text = power.toString()
-    }
-
-    fun setDesc(desc: String) {
-        descView.text = desc
-    }
-
-    fun setMarker(m: Marker){
-        mapMarker = m
-    }
-
-    fun setLocation(lat: Double, lon: Double) {
-        mapMarker.setPosition(GeoPoint(lat, lon))
-        mapMarker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_CENTER)
-        mapMarker.setDefaultIcon()
-        mapMarker.title = descView.text.toString()
-    }
-
-    fun refresh() {
+    fun refresh(cell: CellLogItem) {
+        powerView.text = cell.power.toString()
         powerChartView.removeSeries(powerChartSeries)
 
-        powerHistory.removeAt(1)
-        powerHistory.add(power)
 
         val seriesData = mutableListOf<Number>()
 
-        for (p in powerHistory) {
+        for (p in cell.powerHistory) {
             seriesData.add(p)
         }
 
@@ -116,13 +67,7 @@ class CellView : ConstraintLayout{
         )
 
         val series1Format = LineAndPointFormatter(Color.RED, Color.GREEN, Color.BLUE, null)
-
         powerChartView.addSeries(powerChartSeries, series1Format)
-    }
-
-    fun populatePowerChart() {
-        repeat(20) {
-            powerHistory.add(-100)
-        }
+        powerChartView.redraw()
     }
 }
diff --git a/app/src/main/java/net/rctt/netmon/MainActivity.kt b/app/src/main/java/net/rctt/netmon/MainActivity.kt
index 5a25086..6556b6d 100644
--- a/app/src/main/java/net/rctt/netmon/MainActivity.kt
+++ b/app/src/main/java/net/rctt/netmon/MainActivity.kt
@@ -1,32 +1,131 @@
 package net.rctt.netmon
 
+import android.content.ComponentName
+import android.content.Intent
+import android.content.ServiceConnection
 import android.os.Bundle
-import androidx.appcompat.app/**/.AppCompatActivity
+import android.os.IBinder
+import android.telephony.CellInfo
+import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import com.google.android.material.bottomnavigation.BottomNavigationView
+import org.osmdroid.config.Configuration
 
 class MainActivity : AppCompatActivity() {
+    val cellDb = CellDb()
+    val currentCells: HashMap<String, CellLogItem> = hashMapOf()
 
-    lateinit var bottomNav : BottomNavigationView
+    lateinit var bottomNav: BottomNavigationView
+    lateinit var scannerService: ScannerService
+    var scannerServiceBound: Boolean = false
+    var scanFragment: ScanFragment? = null
+    var mapFragment: MapFragment? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
+        Configuration.getInstance().userAgentValue =
+            "Netmon/0.1 (+https://rctt.net; contact: bt@rctt.net)"
+
         setContentView(R.layout.activity_main)
 
-        loadFragment(MainFragment())
+        loadFragment(ScanFragment())
         bottomNav = findViewById(R.id.bottomNav)!!
+
         bottomNav.setOnItemSelectedListener {
             when (it.itemId) {
-                R.id.main -> loadFragment(MainFragment())
+                R.id.main -> loadFragment(ScanFragment())
                 R.id.log -> loadFragment(LogFragment())
                 R.id.map -> loadFragment(MapFragment())
             }
             true
         }
     }
-    private  fun loadFragment(fragment: Fragment){
+
+    override fun onStart() {
+        super.onStart()
+        val intentBind = Intent(this, ScannerService::class.java)
+        bindService(intentBind, connection, BIND_AUTO_CREATE)
+    }
+
+    override fun onStop() {
+        super.onStop()
+        unbindService(connection)
+        scannerServiceBound = false
+    }
+
+    private fun loadFragment(fragment: Fragment) {
+        mapFragment = null
+        scanFragment = null
+
+        when (fragment) {
+            is ScanFragment -> {
+                scanFragment = fragment
+            }
+
+            is MapFragment -> {
+                mapFragment = fragment
+            }
+        }
+
         val transaction = supportFragmentManager.beginTransaction()
-        transaction.replace(R.id.container,fragment)
+        transaction.replace(R.id.container, fragment)
         transaction.commit()
     }
+
+    private val connection = object : ServiceConnection {
+        override fun onServiceConnected(className: ComponentName, service: IBinder) {
+            val binder = service as ScannerService.LocalBinder
+            scannerService = binder.getService()
+            scannerServiceBound = true
+            binder.addListener(object : ScannerService.Callback {
+                override fun onCalled(list: List<CellInfo?>) = handleUpdate(list)
+            })
+        }
+
+        override fun onServiceDisconnected(arg0: ComponentName) {
+            scannerServiceBound = false
+        }
+    }
+
+    fun handleUpdate(cells: List<CellInfo?>) {
+        for (cellInfo in cells) {
+            if (cellInfo == null) {
+                continue
+            }
+
+            val cellLogItem = CellLogItem(cellInfo)
+            if (!cellLogItem.valid()) {
+                continue
+            }
+
+            val id = cellLogItem.id
+
+            if (currentCells[id] == null) {
+                val cellDbItem = cellDb.get(cellLogItem.lac, cellLogItem.cid)
+                if (cellDbItem != null) {
+                    cellLogItem.description = cellDbItem.Description
+                    cellLogItem.latitude = cellDbItem.Latitude
+                    cellLogItem.longitude = cellDbItem.Longitude
+                }
+
+                currentCells[id] = cellLogItem
+            }
+
+            currentCells[id]?.update(cellInfo)
+        }
+
+        scanFragment?.refresh(currentCells)
+        mapFragment?.refresh(currentCells)
+    }
+
+    fun startGetCellService() {
+        val service = Intent(baseContext, ScannerService::class.java)
+        scannerService.run = true
+        startService(service)
+    }
+
+    fun stopGetCellService() {
+        scannerService.run = false
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/MainFragment.kt b/app/src/main/java/net/rctt/netmon/MainFragment.kt
deleted file mode 100644
index 4a6e01b..0000000
--- a/app/src/main/java/net/rctt/netmon/MainFragment.kt
+++ /dev/null
@@ -1,59 +0,0 @@
-package net.rctt.netmon
-
-import android.os.Bundle
-import androidx.fragment.app.Fragment
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-
-// TODO: Rename parameter arguments, choose names that match
-// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-private const val ARG_PARAM1 = "param1"
-private const val ARG_PARAM2 = "param2"
-
-/**
- * A simple [Fragment] subclass.
- * Use the [MainFragment.newInstance] factory method to
- * create an instance of this fragment.
- */
-class MainFragment : Fragment() {
-    // TODO: Rename and change types of parameters
-    private var param1: String? = null
-    private var param2: String? = null
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        arguments?.let {
-            param1 = it.getString(ARG_PARAM1)
-            param2 = it.getString(ARG_PARAM2)
-        }
-    }
-
-    override fun onCreateView(
-        inflater: LayoutInflater, container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_main, container, false)
-    }
-
-    companion object {
-        /**
-         * Use this factory method to create a new instance of
-         * this fragment using the provided parameters.
-         *
-         * @param param1 Parameter 1.
-         * @param param2 Parameter 2.
-         * @return A new instance of fragment MainFragment.
-         */
-        // TODO: Rename and change types and number of parameters
-        @JvmStatic
-        fun newInstance(param1: String, param2: String) =
-            MainFragment().apply {
-                arguments = Bundle().apply {
-                    putString(ARG_PARAM1, param1)
-                    putString(ARG_PARAM2, param2)
-                }
-            }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/MapFragment.kt b/app/src/main/java/net/rctt/netmon/MapFragment.kt
index 0ec3737..0ba4a6b 100644
--- a/app/src/main/java/net/rctt/netmon/MapFragment.kt
+++ b/app/src/main/java/net/rctt/netmon/MapFragment.kt
@@ -5,55 +5,54 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import org.osmdroid.tileprovider.tilesource.TileSourceFactory
+import org.osmdroid.util.GeoPoint
+import org.osmdroid.views.MapView
+import org.osmdroid.views.overlay.Marker
+import org.osmdroid.views.overlay.Overlay
+import org.osmdroid.views.overlay.mylocation.GpsMyLocationProvider
+import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay
+import kotlin.collections.component1
 
-// TODO: Rename parameter arguments, choose names that match
-// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-private const val ARG_PARAM1 = "param1"
-private const val ARG_PARAM2 = "param2"
-
-/**
- * A simple [Fragment] subclass.
- * Use the [MapFragment.newInstance] factory method to
- * create an instance of this fragment.
- */
 class MapFragment : Fragment() {
-    // TODO: Rename and change types of parameters
-    private var param1: String? = null
-    private var param2: String? = null
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        arguments?.let {
-            param1 = it.getString(ARG_PARAM1)
-            param2 = it.getString(ARG_PARAM2)
-        }
-    }
+    lateinit var map: MapView
+    var markersIds: HashMap<String, Overlay> = hashMapOf()
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_map, container, false)
+        val view = inflater.inflate(R.layout.fragment_map, container, false)
+
+        map = view.findViewById(R.id.map)
+        map.setTileSource(TileSourceFactory.MAPNIK)
+        map.setMultiTouchControls(true)
+
+        val locationOverlay = MyLocationNewOverlay(GpsMyLocationProvider(activity), map)
+        locationOverlay.enableMyLocation()
+        locationOverlay.enableFollowLocation()
+        this.map.overlays.add(locationOverlay)
+
+        return view
     }
 
-    companion object {
-        /**
-         * Use this factory method to create a new instance of
-         * this fragment using the provided parameters.
-         *
-         * @param param1 Parameter 1.
-         * @param param2 Parameter 2.
-         * @return A new instance of fragment MapFragment.
-         */
-        // TODO: Rename and change types and number of parameters
-        @JvmStatic
-        fun newInstance(param1: String, param2: String) =
-            MapFragment().apply {
-                arguments = Bundle().apply {
-                    putString(ARG_PARAM1, param1)
-                    putString(ARG_PARAM2, param2)
-                }
+    fun refresh(cells: HashMap<String, CellLogItem>) {
+        cells.forEach { (id, cell) ->
+            val marker = Marker(map)
+            marker.id = id
+            marker.setPosition(GeoPoint(cell.latitude, cell.longitude))
+            marker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_CENTER)
+            marker.setDefaultIcon()
+            marker.title = cell.description
+            map.overlays.add(marker)
+            markersIds[id] = marker
+        }
+
+
+        markersIds.forEach { (id, overlay) ->
+            if (!cells.containsKey(id)) {
+                map.overlays.remove(overlay)
             }
+        }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/ScanFragment.kt b/app/src/main/java/net/rctt/netmon/ScanFragment.kt
new file mode 100644
index 0000000..16fc165
--- /dev/null
+++ b/app/src/main/java/net/rctt/netmon/ScanFragment.kt
@@ -0,0 +1,63 @@
+package net.rctt.netmon
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.LinearLayout
+import androidx.fragment.app.Fragment
+
+class ScanFragment : Fragment() {
+    lateinit var cellsListView: LinearLayout
+    lateinit var startButton: Button
+    lateinit var stopButton: Button
+    var cellsListMap: HashMap<String, CellView> = hashMapOf()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        val view = inflater.inflate(R.layout.fragment_scan, container, false)
+        cellsListView = view.findViewById(R.id.cells_list)
+        startButton = view.findViewById(R.id.start_button)
+        stopButton = view.findViewById(R.id.stop_button)
+
+        val mainActivity = (activity as MainActivity)
+
+        startButton.setOnClickListener {
+            mainActivity.startGetCellService()
+        }
+        stopButton.setOnClickListener {
+            mainActivity.stopGetCellService()
+        }
+
+        refresh(mainActivity.currentCells)
+        return view
+    }
+
+    fun refresh(cells: HashMap<String, CellLogItem>) {
+        cells.forEach { (id, cell) ->
+            var cellView = cellsListMap[id]
+            if (cellView == null) {
+                cellView = CellView(requireContext(), cell)
+                cellsListMap[id] = cellView
+                cellsListView.addView(cellView)
+            } else {
+                cellsListMap[id]!!.refresh(cell)
+            }
+        }
+
+        val toRemove: MutableList<String> = mutableListOf()
+        cellsListMap.forEach { (id) ->
+            if (!cells.containsKey(id)) {
+                toRemove.add(id)
+            }
+        }
+
+        toRemove.forEach { id ->
+            cellsListView.removeView(cellsListMap[id])
+            cellsListMap.remove(id)
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/ScannerService.kt b/app/src/main/java/net/rctt/netmon/ScannerService.kt
new file mode 100644
index 0000000..77a43bf
--- /dev/null
+++ b/app/src/main/java/net/rctt/netmon/ScannerService.kt
@@ -0,0 +1,55 @@
+package net.rctt.netmon
+
+import android.Manifest
+import android.app.IntentService
+import android.content.Intent
+import android.os.Binder
+import android.os.Handler
+import android.os.IBinder
+import android.telephony.CellInfo
+import android.telephony.TelephonyManager
+import android.util.Log
+import androidx.annotation.RequiresPermission
+
+class ScannerService : IntentService(ScannerService::class.simpleName) {
+    interface Callback {
+        fun onCalled(list: List<CellInfo?>)
+    }
+
+    inner class LocalBinder : Binder() {
+        var callback: Callback? = null
+        fun getService(): ScannerService = this@ScannerService
+        fun addListener(listener: Callback?) {
+            callback = listener
+        }
+    }
+
+    val binder = LocalBinder()
+    val handler: Handler = Handler()
+    var run: Boolean = true
+
+    override fun onBind(intent: Intent): IBinder {
+        return binder
+    }
+
+    @RequiresPermission(Manifest.permission.ACCESS_FINE_LOCATION)
+    override fun onHandleIntent(p0: Intent?) {
+        val tel = getSystemService(TELEPHONY_SERVICE) as TelephonyManager
+
+        while (run) {
+            handler.post { refresh(tel) }
+            Thread.sleep(1000)
+        }
+        Log.d("GetCellsService", "Stopping scan service")
+    }
+
+    @RequiresPermission(Manifest.permission.ACCESS_FINE_LOCATION)
+    fun refresh(tel: TelephonyManager) {
+        Log.d("GetCellsService", "Refreshing cells list")
+        tel.requestCellInfoUpdate(mainExecutor, object : TelephonyManager.CellInfoCallback() {
+            override fun onCellInfo(cellList: List<CellInfo?>) {
+                binder.callback?.onCalled(cellList)
+            }
+        })
+    }
+}
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index c78970c..221d2e9 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -2,6 +2,7 @@
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/test"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:fitsSystemWindows="true"
@@ -11,10 +12,7 @@
         android:id="@+id/container"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_above="@+id/bottomNav" >
-
-    </FrameLayout>
-
+        android:layout_above="@+id/bottomNav" />
 
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/bottomNav"
diff --git a/app/src/main/res/layout/cell_view.xml b/app/src/main/res/layout/cell_view.xml
index 916f8cc..08b653d 100644
--- a/app/src/main/res/layout/cell_view.xml
+++ b/app/src/main/res/layout/cell_view.xml
@@ -35,7 +35,12 @@
                     <TextView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:text="Id" />
+                        android:text="LAC" />
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="CID" />
 
                     <TextView
                         android:layout_width="wrap_content"
@@ -56,10 +61,16 @@
                         android:text="type" />
 
                     <TextView
-                        android:id="@+id/id"
+                        android:id="@+id/lac"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="lac" />
+
+                    <TextView
+                        android:id="@+id/cid"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:text="id" />
+                        android:text="cid" />
 
                     <TextView
                         android:id="@+id/power"
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
deleted file mode 100644
index 366cbbe..0000000
--- a/app/src/main/res/layout/fragment_main.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".MainFragment">
-
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="@string/hello_blank_fragment" />
-
-</FrameLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_map.xml b/app/src/main/res/layout/fragment_map.xml
index 3ebc6c4..4639ec3 100644
--- a/app/src/main/res/layout/fragment_map.xml
+++ b/app/src/main/res/layout/fragment_map.xml
@@ -5,10 +5,9 @@
     android:layout_height="match_parent"
     tools:context=".MapFragment">
 
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="MAP" />
+    <org.osmdroid.views.MapView
+        android:id="@+id/map"
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent" />
 
 </FrameLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_scan.xml b/app/src/main/res/layout/fragment_scan.xml
new file mode 100644
index 0000000..a18ef59
--- /dev/null
+++ b/app/src/main/res/layout/fragment_scan.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_marginHorizontal="5dp"
+    tools:context=".ScanFragment">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <ScrollView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_weight=".70">
+
+            <LinearLayout
+                android:id="@+id/cells_list"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+            </LinearLayout>
+        </ScrollView>
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_marginBottom="20dp"
+            android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/start_button"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="10dp"
+                android:text="Start" />
+
+            <Button
+                android:id="@+id/stop_button"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Stop" />
+        </LinearLayout>
+    </LinearLayout>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/nav_menu.xml b/app/src/main/res/menu/nav_menu.xml
index 5c42815..a4332ae 100644
--- a/app/src/main/res/menu/nav_menu.xml
+++ b/app/src/main/res/menu/nav_menu.xml
@@ -3,7 +3,7 @@
     <item
         android:id="@+id/main"
         android:icon="@drawable/rounded_bar_chart_24"
-        android:title="Main"  />
+        android:title="Scan"  />
     <item
         android:id="@+id/log"
         android:icon="@drawable/outline_database_24"
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 20de420..f865af8 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,6 +11,8 @@ constraintlayout = "2.2.1"
 lifecycleLivedataKtx = "2.10.0"
 lifecycleViewmodelKtx = "2.10.0"
 cardview = "1.0.0"
+databindingCommon = "9.2.1"
+databindingRuntime = "9.2.1"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -24,6 +26,8 @@ androidx-constraintlayout = { group = "androidx.constraintlayout", name = "const
 androidx-lifecycle-livedata-ktx = { group = "androidx.lifecycle", name = "lifecycle-livedata-ktx", version.ref = "lifecycleLivedataKtx" }
 androidx-lifecycle-viewmodel-ktx = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
 androidx-cardview = { group = "androidx.cardview", name = "cardview", version.ref = "cardview" }
+androidx-databinding-common = { group = "androidx.databinding", name = "databinding-common", version.ref = "databindingCommon" }
+androidx-databinding-runtime = { group = "androidx.databinding", name = "databinding-runtime", version.ref = "databindingRuntime" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }