Basic current cell info view

10 files changed, 198 insertions, 15 deletions

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 87305ab..d036883 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools" >
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 
     <application
         android:allowBackup="true"
@@ -10,13 +12,12 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.Netmon" >
+        android:theme="@style/Theme.Netmon">
         <activity
             android:name=".MainActivity"
-            android:exported="true" >
+            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/MainActivity.kt b/app/src/main/java/net/rctt/netmon/MainActivity.kt
index 53c6f05..7111922 100644
--- a/app/src/main/java/net/rctt/netmon/MainActivity.kt
+++ b/app/src/main/java/net/rctt/netmon/MainActivity.kt
@@ -1,12 +1,34 @@
 package net.rctt.netmon
 
+import android.Manifest
+import android.annotation.SuppressLint
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.telephony.CellInfoGsm
+import android.telephony.CellInfoLte
+import android.telephony.CellInfoNr
+import android.telephony.CellInfoTdscdma
+import android.telephony.CellInfoWcdma
+import android.telephony.TelephonyManager
+import android.util.Log
+import android.widget.LinearLayout
+import android.widget.TextView
 import androidx.activity.enableEdgeToEdge
+import androidx.annotation.RequiresPermission
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
+import java.text.SimpleDateFormat
+import java.util.Date
 
 class MainActivity : AppCompatActivity() {
+    lateinit var statusView: LinearLayout
+    lateinit var cellView: LinearLayout
+
+    lateinit var tel: TelephonyManager
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
@@ -16,5 +38,87 @@ class MainActivity : AppCompatActivity() {
             v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
             insets
         }
+
+        statusView = findViewById(R.id.statusView)
+        cellView = findViewById(R.id.cellView)
+
+        val pLoc = ContextCompat.checkSelfPermission(applicationContext, Manifest.permission.ACCESS_FINE_LOCATION)
+        if (pLoc == -1) {
+            log("Location permission required")
+        } else {
+            log("Ready")
+            tel = getSystemService(TELEPHONY_SERVICE) as TelephonyManager
+
+            val mainHandler = Handler(Looper.getMainLooper())
+
+            mainHandler.post(object : Runnable {
+                @RequiresPermission(Manifest.permission.ACCESS_FINE_LOCATION)
+                override fun run() {
+                    refresh()
+                    mainHandler.postDelayed(this, 1000)
+                }
+            })
+        }
+    }
+
+    @RequiresPermission(Manifest.permission.ACCESS_FINE_LOCATION)
+    fun refresh() {
+        log("refreshing")
+
+        val cellList = tel.allCellInfo
+        cellView.removeAllViews()
+        for (cell in cellList) {
+            when (cell) {
+                is CellInfoGsm -> {
+                    logDetected("GSM")
+                }
+                is CellInfoLte -> {
+                    val id = cell.cellIdentity
+                    if (id.ci == 2147483647) {
+                        continue
+                    }
+
+                    logDetected("LTE")
+                    logCell("CID: ${id.ci}")
+                    logCell("PCI: ${id.pci}")
+                    logCell("TAC: ${id.tac}")
+                    logCell("EARFCN ${id.earfcn}")
+                    logCell("BANDWIDTH: ${id.bandwidth}")
+                    logCell("RSRP: ${cell.cellSignalStrength.rsrp}")
+                    logCell("DBM: ${cell.cellSignalStrength.dbm}")
+                    logCell("STATUS: ${cell.cellConnectionStatus}")
+                    logCell("")
+                }
+                is CellInfoNr -> {
+                    logDetected("NR")
+                }
+                is CellInfoTdscdma -> {
+                    logDetected("TDSCDMA")
+                }
+                is CellInfoWcdma -> {
+                    logDetected("WCDMA")
+                }
+            }
+        }
+    }
+
+    @SuppressLint("SimpleDateFormat", "SetTextI18n")
+    fun log(text: String) {
+        val sdf = SimpleDateFormat("hh:mm:ss")
+        val date = sdf.format(Date())
+        val msg = TextView(this)
+        msg.text = "$date $text"
+        statusView.addView(msg)
+    }
+
+    fun logDetected(text: String) {
+        log("detected $text cell")
+    }
+
+    fun logCell(text: String) {
+        val msg = TextView(this)
+        msg.text = text
+        cellView.addView(msg)
+        Log.d("NETMON", text)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 25a2ae6..e7c0e2c 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -7,13 +7,56 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".MainActivity">
-    <TextView
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:text="Hello World!"
-      app:layout_constraintBottom_toBottomOf="parent"
-      app:layout_constraintStart_toStartOf="parent"
-      app:layout_constraintEnd_toEndOf="parent"
-      app:layout_constraintTop_toTopOf="parent" />
-
-  </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <TextView
+            android:id="@+id/haederCell"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Cell Info"
+            android:textSize="20sp" />
+
+        <ScrollView
+            android:layout_width="match_parent"
+            android:layout_height="400dp">
+
+            <LinearLayout
+                android:id="@+id/cellView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical" />
+        </ScrollView>
+
+        <View
+            android:id="@+id/divider"
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/headerStatus"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Status"
+            android:textSize="20sp" />
+
+        <ScrollView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <LinearLayout
+                android:id="@+id/statusView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"/>
+        </ScrollView>
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-land/dimens.xml b/app/src/main/res/values-land/dimens.xml
new file mode 100644
index 0000000..22d7f00
--- /dev/null
+++ b/app/src/main/res/values-land/dimens.xml
@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">48dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-w1240dp/dimens.xml b/app/src/main/res/values-w1240dp/dimens.xml
new file mode 100644
index 0000000..d73f4a3
--- /dev/null
+++ b/app/src/main/res/values-w1240dp/dimens.xml
@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">200dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-w600dp/dimens.xml b/app/src/main/res/values-w600dp/dimens.xml
new file mode 100644
index 0000000..22d7f00
--- /dev/null
+++ b/app/src/main/res/values-w600dp/dimens.xml
@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">48dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-w820dp/dimens.xml b/app/src/main/res/values-w820dp/dimens.xml
new file mode 100644
index 0000000..9309de9
--- /dev/null
+++ b/app/src/main/res/values-w820dp/dimens.xml
@@ -0,0 +1,6 @@
+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..0a87b6e
--- /dev/null
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,8 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="appbar_padding">16dp</dimen>
+    <dimen name="fab_margin">16dp</dimen>
+    <dimen name="appbar_padding_top">8dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1d0121e..2c29dfa 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,3 +1,6 @@
 <resources>
     <string name="app_name">netmon</string>
+    <string name="title_activity_main2">MainActivity2</string>
+    <string name="tab_text_1">Tab 1</string>
+    <string name="tab_text_2">Tab 2</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 9b8da79..8c1e2ef 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -6,4 +6,13 @@
     </style>
 
     <style name="Theme.Netmon" parent="Base.Theme.Netmon" />
+
+    <style name="Theme.Netmon.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="Theme.Netmon.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="Theme.Netmon.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
 </resources>
\ No newline at end of file