Initial commit

2024-01-09 18:20:19 +01:00
commit 189fd63962
39 changed files with 1745 additions and 0 deletions
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -0,0 +1,70 @@
+plugins {
+    alias(libs.plugins.com.android.application)
+    alias(libs.plugins.org.jetbrains.kotlin.android)
+}
+
+android {
+    namespace = "yenon.setcil"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "yenon.setcil"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.3.2"
+    }
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+    implementation(libs.androidx.lifecycle.viewmodel.compose)
+    implementation(libs.accompanist.permissions)
+    implementation(libs.core.ktx)
+    implementation(libs.lifecycle.runtime.ktx)
+    implementation(libs.activity.compose)
+    implementation(platform(libs.compose.bom))
+    implementation(libs.ui)
+    implementation(libs.ui.graphics)
+    implementation(libs.ui.tooling.preview)
+    implementation(libs.material3)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.test.ext.junit)
+    androidTestImplementation(libs.espresso.core)
+    androidTestImplementation(platform(libs.compose.bom))
+    androidTestImplementation(libs.ui.test.junit4)
+    debugImplementation(libs.ui.tooling)
+    debugImplementation(libs.ui.test.manifest)
+}
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/app/src/androidTest/java/yenon/setcil/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/yenon/setcil/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package yenon.setcil
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("yenon.setcil", appContext.packageName)
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+
+    <uses-feature android:name="android.hardware.bluetooth_le" android:required="true"/>
+
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@drawable/setcil"
+        android:label="@string/app_name"
+        android:roundIcon="@drawable/setcil"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.SetCil"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.SetCil">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/app/src/main/java/yenon/setcil/MainActivity.kt
+++ b/app/src/main/java/yenon/setcil/MainActivity.kt
@@ -0,0 +1,454 @@
+package yenon.setcil
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.bluetooth.BluetoothAdapter
+import android.bluetooth.BluetoothGatt
+import android.bluetooth.BluetoothGattCallback
+import android.bluetooth.BluetoothGattCharacteristic
+import android.bluetooth.BluetoothManager
+import android.bluetooth.le.ScanResult
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.os.Build
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.gestures.detectDragGestures
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.aspectRatio
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Check
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExtendedFloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.drawBehind
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.geometry.Size
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.drawscope.DrawScope
+import androidx.compose.ui.graphics.drawscope.Stroke
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.TextUnit
+import androidx.compose.ui.unit.TextUnitType
+import androidx.compose.ui.unit.dp
+import androidx.core.app.ActivityCompat.startActivityForResult
+import com.google.accompanist.permissions.ExperimentalPermissionsApi
+import com.google.accompanist.permissions.MultiplePermissionsState
+import com.google.accompanist.permissions.rememberMultiplePermissionsState
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import yenon.setcil.ui.theme.SetCilTheme
+import java.nio.ByteBuffer
+import java.nio.ByteOrder
+import java.util.UUID
+import kotlin.math.PI
+import kotlin.math.atan2
+import kotlin.math.cos
+import kotlin.math.sin
+
+
+class MainActivity : ComponentActivity() {
+
+    var bluetoothState by mutableIntStateOf(BluetoothAdapter.STATE_OFF)
+
+    private val bluetoothReceiver: BroadcastReceiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context, intent: Intent) {
+            val action = intent.action
+            if (action == BluetoothAdapter.ACTION_STATE_CHANGED) {
+                val state = intent.getIntExtra(
+                    BluetoothAdapter.EXTRA_STATE,
+                    BluetoothAdapter.ERROR
+                )
+                bluetoothState = state
+            }
+        }
+    }
+    
+    @OptIn(ExperimentalPermissionsApi::class)
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContent {
+
+            SetCilTheme {
+                // A surface container using the 'background' color from the theme
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    color = MaterialTheme.colorScheme.background
+                ) {
+
+
+                    val currentDevice = remember { mutableStateOf<ScanResult?>(null) }
+
+                    val reqPermissionState =
+                        rememberMultiplePermissionsState(
+                            getRequiredPermissionsForSdk()
+                        )
+
+                    if (!reqPermissionState.allPermissionsGranted || bluetoothState != BluetoothAdapter.STATE_ON) {
+                        SetupPage(reqPermissionState,bluetoothState)
+                    } else {
+                        if (currentDevice.value == null) {
+                            Select(currentDevice)
+                        } else {
+                            Configure(currentDevice)
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    override fun onResume() {
+        bluetoothState = (baseContext.getSystemService(BLUETOOTH_SERVICE) as BluetoothManager).adapter.state
+        registerReceiver(bluetoothReceiver, IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED))
+        super.onResume()
+    }
+
+    override fun onPause() {
+        unregisterReceiver(bluetoothReceiver)
+        super.onPause()
+    }
+}
+
+fun getRequiredPermissionsForSdk(): List<String> {
+    return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        listOf(
+            Manifest.permission.BLUETOOTH,
+            Manifest.permission.BLUETOOTH_SCAN,
+            Manifest.permission.BLUETOOTH_CONNECT,
+            Manifest.permission.BLUETOOTH_ADMIN,
+            Manifest.permission.ACCESS_FINE_LOCATION,
+        )
+    } else {
+        listOf(
+            Manifest.permission.BLUETOOTH,
+            Manifest.permission.BLUETOOTH_ADMIN,
+            Manifest.permission.ACCESS_FINE_LOCATION,
+        )
+    }
+}
+
+@OptIn(ExperimentalPermissionsApi::class)
+@Composable
+fun SetupPage(reqPermissionState: MultiplePermissionsState, bluetoothState: Int, modifier: Modifier = Modifier) {
+    Column(modifier) {
+        val textToShow = if (reqPermissionState.shouldShowRationale) {
+            "Fine location access is required for bluetooth to work, Google thinks developers could connect to a bluetooth GPS unit. This is no joke. I don't make the rules."
+        } else {
+            "Please grant fine location access and bluetooth permissions to use this app."
+        }
+        Text(textToShow)
+        Button(onClick = { reqPermissionState.launchMultiplePermissionRequest() }, enabled = !reqPermissionState.allPermissionsGranted) {
+            Text("Request permission")
+        }
+        val activity = LocalContext.current as Activity
+        Button(onClick = {
+            val enableIntent = Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE)
+            startActivityForResult(activity,enableIntent, 1,null)
+        }) {
+            Text("Enable Bluetooth")
+        }
+        if (bluetoothState == BluetoothAdapter.STATE_TURNING_ON){
+            Text(text = "Bluetooth is turning on...")
+        }
+    }
+}
+
+class PinecilData(){
+    val temperature = mutableStateOf(minTemp.toUInt())
+    val setPoint = mutableStateOf(0u)
+    val wattage = mutableFloatStateOf(0f)
+    val voltage = mutableFloatStateOf(0f)
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@SuppressLint("MissingPermission")
+@Composable
+fun Configure(device: MutableState<ScanResult?>, modifier: Modifier = Modifier) {
+    val context = LocalContext.current
+    val scope = rememberCoroutineScope()
+    val setPointApp = remember { mutableStateOf(0u) }
+    val setPointTransmit = remember { mutableStateOf<UInt?>(null) }
+
+    val pinecilData by remember { mutableStateOf(PinecilData()) }
+
+    var gatt by remember { mutableStateOf<BluetoothGatt?>(null) }
+
+    LaunchedEffect(device) {
+        scope.launch(Dispatchers.IO) {
+            gatt = device.value!!.device.connectGatt(
+                context,
+                true,
+                object : BluetoothGattCallback() {
+                    override fun onCharacteristicRead(
+                        gatt: BluetoothGatt,
+                        characteristic: BluetoothGattCharacteristic,
+                        value: ByteArray,
+                        status: Int
+                    ) {
+                        super.onCharacteristicRead(gatt, characteristic, value, status)
+
+                        val buffer = ByteBuffer.wrap(value)
+                        buffer.order(ByteOrder.LITTLE_ENDIAN)
+
+                        val pairs = 14
+                        val data = Array(pairs) { 0u }
+
+                        for (i in 0 until pairs) {
+                            data[i] = buffer.getInt().toUInt()
+                        }
+
+                        pinecilData.temperature.value = data[0]
+                        pinecilData.setPoint.value = data[1]
+
+                        pinecilData.voltage.floatValue = data[2].toFloat() / 10f
+                        pinecilData.wattage.floatValue = data[13].toFloat() / 10f
+
+                        if (setPointApp.value == 0u) {
+                            setPointApp.value = pinecilData.setPoint.value
+                        }
+                    }
+
+                    override fun onConnectionStateChange(
+                        gatt: BluetoothGatt?,
+                        status: Int,
+                        newState: Int
+                    ) {
+                        super.onConnectionStateChange(gatt, status, newState)
+                        if (newState == BluetoothGatt.STATE_CONNECTED) {
+                            gatt!!.discoverServices()
+                        } else if (newState == BluetoothGatt.STATE_DISCONNECTING || newState == BluetoothGatt.STATE_DISCONNECTED) {
+                            gatt!!.close()
+                            device.value = null
+                        }
+                    }
+
+                    override fun onServicesDiscovered(
+                        gatt: BluetoothGatt?,
+                        status: Int
+                    ) {
+                        super.onServicesDiscovered(gatt, status)
+
+                        gatt!!.services.forEach { service ->
+                            println(service.uuid)
+                            service.characteristics.forEach {
+                                println("-${it.uuid}")
+                            }
+                        }
+                        val bulkCharacteristic =
+                            gatt.getService(UUID.fromString("9eae1000-9d0d-48c5-aa55-33e27f9bc533"))
+                                .getCharacteristic(UUID.fromString("9eae1001-9d0d-48c5-aa55-33e27f9bc533"))
+
+                        scope.launch {
+                            while (this.isActive) {
+                                gatt.readCharacteristic(bulkCharacteristic)
+                                delay(200)
+
+                                setPointTransmit.value?.let { setpNew ->
+                                    val buffer = ByteBuffer.allocate(2)
+                                    buffer.order(ByteOrder.LITTLE_ENDIAN)
+                                    buffer.putShort(setpNew.toShort())
+                                    buffer.flip()
+
+                                    val setPointCharacteristic =
+                                        gatt.getService(UUID.fromString("f6d80000-5a10-4eba-AA55-33e27f9bc533"))
+                                            .getCharacteristic(UUID.fromString("f6d70000-5a10-4eba-AA55-33e27f9bc533"))
+
+                                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+
+                                        val result = gatt.writeCharacteristic(
+                                            setPointCharacteristic,
+                                            buffer.array(),
+                                            BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT
+                                        )
+                                        if (result == BluetoothGatt.GATT_SUCCESS) {
+                                            setPointTransmit.value = null
+                                        }
+
+                                    } else {
+                                        // This is not deprecated in those API's, and is actually the only option...
+                                        @Suppress("DEPRECATION")
+                                        setPointCharacteristic.setValue(buffer.array())
+                                        @Suppress("DEPRECATION")
+                                        if (gatt.writeCharacteristic(setPointCharacteristic)) {
+                                            setPointTransmit.value = null
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                })
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(title = { Text(stringResource(id = R.string.app_name)) })
+        },
+        floatingActionButton = {
+            if (setPointApp.value != pinecilData.setPoint.value) {
+                ExtendedFloatingActionButton(
+                    onClick = {
+                        setPointTransmit.value = setPointApp.value
+                    },
+                    icon = {
+                        Icon(Icons.Filled.Check, "Apply settings")
+                    },
+                    text = {
+                        Text("Apply settings")
+                    }
+                )
+            }
+        },
+        content = { padding ->
+            Column(modifier.padding(padding)) {
+                TempCircle(pinecilData, setPointApp)
+            }
+        })
+}
+
+val spacing = 20.dp
+val gaugeThickness = 10.dp
+val sliderRadius = 25.dp
+
+const val minTemp = 10
+const val maxTemp = 450
+const val range = maxTemp - minTemp
+const val usedArc = 0.75f
+const val offset = (PI * 5 / 4).toFloat()
+
+fun DrawScope.drawTemp(
+    gaugeSize: Size,
+    gaugeThicknessPx: Float,
+    sliderRadiusPx: Float,
+    temp: MutableState<UInt>,
+    color: Color
+) {
+    val setPF = temp.value.toFloat() - minTemp
+    val piF = PI.toFloat()
+
+    val sliderUnitOffset = Offset(
+        sin(setPF / range * piF * usedArc * 2 + offset),
+        -cos(setPF / range * piF * usedArc * 2 + offset)
+    )
+    val sliderOffset =
+        sliderUnitOffset * ((gaugeSize.minDimension - gaugeThicknessPx) / 2) + center
+
+    drawCircle(
+        color, sliderRadiusPx, sliderOffset, 0.8f,
+        Stroke(2.dp.toPx(), 0f)
+    )
+}
+
+@Composable
+fun TempCircle(
+    pinecilData: PinecilData, setpApp: MutableState<UInt>
+) {
+    val centerOffset = remember { mutableStateOf(Offset.Unspecified) }
+
+    Box(modifier = Modifier
+        .fillMaxWidth()
+        .aspectRatio(1f)
+        .pointerInput(Unit) {
+            detectDragGestures { change, _ ->
+                val angle = ((atan2(
+                    change.position.y - centerOffset.value.y,
+                    change.position.x - centerOffset.value.x
+                ) + offset) * (range / (usedArc * 2 * PI)))
+
+                val residual = (1 - usedArc) / 2 * range
+                setpApp.value = (minTemp + ((angle + residual).mod(range / usedArc)
+                        - residual))
+                    .toUInt()
+                    .coerceIn(minTemp.toUInt(), maxTemp.toUInt())
+            }
+        }
+        .drawBehind {
+            centerOffset.value = center
+
+            val spacingPx = spacing.toPx()
+            val gaugeThicknessPx = gaugeThickness.toPx()
+            val sliderRadiusPx = sliderRadius.toPx()
+
+            val gaugeSize = Size(
+                size.minDimension - ((spacingPx + sliderRadiusPx) * 2),
+                size.minDimension - ((spacingPx + sliderRadiusPx) * 2)
+            )
+            drawArc(
+                Color.Yellow,
+                135f,
+                (((pinecilData.temperature.value.toFloat() - minTemp) / range) * 360 * usedArc),
+                true,
+                topLeft = Offset((spacingPx + sliderRadiusPx), (spacingPx + sliderRadiusPx)),
+                size = gaugeSize
+            )
+            drawCircle(
+                Color.Black,
+                (size.minDimension) / 2 - (sliderRadiusPx + spacingPx + gaugeThicknessPx),
+                center
+            )
+
+            drawTemp(
+                gaugeSize,
+                gaugeThicknessPx,
+                sliderRadiusPx,
+                pinecilData.setPoint,
+                Color.LightGray
+            )
+            drawTemp(gaugeSize, gaugeThicknessPx, sliderRadiusPx, setpApp, Color.Green)
+        }) {
+        Column(modifier = Modifier.align(Alignment.Center)) {
+            Text(
+                modifier = Modifier.align(Alignment.CenterHorizontally),
+                text = "${pinecilData.temperature.value}°C",
+                color = Color.Cyan,
+                fontSize = TextUnit(48f, TextUnitType.Sp)
+            )
+            Row(modifier = Modifier.align(Alignment.CenterHorizontally)) {
+                Text(
+                    text = "${pinecilData.voltage.floatValue}V ",
+                    color = Color.Red,
+                    fontSize = TextUnit(24f, TextUnitType.Sp)
+                )
+                Text(
+                    text = "${pinecilData.wattage.floatValue}W",
+                    color = Color.Yellow,
+                    fontSize = TextUnit(24f, TextUnitType.Sp)
+                )
+            }
+        }
+    }
+}
--- a/app/src/main/java/yenon/setcil/SelectPage.kt
+++ b/app/src/main/java/yenon/setcil/SelectPage.kt
@@ -0,0 +1,129 @@
+package yenon.setcil
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.bluetooth.BluetoothAdapter
+import android.bluetooth.BluetoothManager
+import android.bluetooth.le.ScanCallback
+import android.bluetooth.le.ScanFilter
+import android.bluetooth.le.ScanResult
+import android.bluetooth.le.ScanSettings
+import android.content.Context
+import android.content.pm.PackageManager
+import android.os.ParcelUuid
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.snapshots.SnapshotStateList
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalLifecycleOwner
+import androidx.compose.ui.res.stringResource
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import java.util.UUID
+import java.util.concurrent.CancellationException
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun Select(device: MutableState<ScanResult?>, modifier: Modifier = Modifier) {
+    val scope = rememberCoroutineScope()
+    val foundDevices = remember { mutableStateListOf<ScanResult>() }
+
+    val context = LocalContext.current
+    var scanJob: Job? = null
+
+    LocalLifecycleOwner.current.lifecycle.addObserver(
+        LifecycleEventObserver { _, event ->
+            when (event) {
+                Lifecycle.Event.ON_RESUME -> {
+                    scanJob = startDeviceScan(scope, context, foundDevices)
+                }
+
+                Lifecycle.Event.ON_PAUSE -> {
+                    scanJob?.cancel(CancellationException())
+                }
+
+                else -> {}
+            }
+        }
+    )
+
+    Scaffold(
+        topBar = {
+            TopAppBar(title = { Text(stringResource(id = R.string.app_name)) })
+        },
+        content = { padding ->
+            Box(modifier.padding(padding)) {
+                foundDevices.forEach {
+                    Button(onClick = {
+                        println("Clicked")
+                        device.value = it
+                    }) {
+                        Text(text = it.scanRecord?.deviceName ?: it.device.address)
+                    }
+                }
+                if(foundDevices.isEmpty()){
+                    Text(text = "No pinecils found.")
+                }
+            }
+        })
+}
+
+fun startDeviceScan(
+    scope: CoroutineScope,
+    context: Context,
+    resultList: SnapshotStateList<ScanResult>
+): Job {
+    return scope.launch(Dispatchers.IO) {
+        val bluetoothAdapter: BluetoothAdapter? =
+            ContextCompat.getSystemService(context, BluetoothManager::class.java)?.adapter
+        if (bluetoothAdapter == null) {
+            println("No adapter")
+            return@launch
+        }
+        if (ActivityCompat.checkSelfPermission(
+                context,
+                Manifest.permission.BLUETOOTH_SCAN
+            ) != PackageManager.PERMISSION_GRANTED
+        ) {
+            println("No permission")
+            return@launch
+        }
+        println("Scanning")
+        val pinecilFilter = ScanFilter.Builder()
+            .setServiceUuid(ParcelUuid(UUID.fromString("9eae1000-9d0d-48c5-aa55-33e27f9bc533")))
+            .build()
+        val scanSettings = ScanSettings.Builder().build()
+        bluetoothAdapter.bluetoothLeScanner.startScan(
+            listOf(pinecilFilter),
+            scanSettings,
+            object : ScanCallback() {
+                @SuppressLint("MissingPermission")
+                override fun onScanResult(callbackType: Int, result: ScanResult?) {
+                    if (result == null) {
+                        return
+                    }
+
+                    if (resultList.none { it.device.address == result.device.address }) {
+                        resultList.add(result)
+                    }
+                }
+            })
+    }
+}
--- a/app/src/main/java/yenon/setcil/ui/theme/Theme.kt
+++ b/app/src/main/java/yenon/setcil/ui/theme/Theme.kt
@@ -0,0 +1,71 @@
+package yenon.setcil.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Color(0xFFD0BCFF),
+    secondary = Color(0xFFCCC2DC),
+    tertiary = Color(0xFFEFB8C8)
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Color(0xFF6650a4),
+    secondary = Color(0xFF625b71),
+    tertiary = Color(0xFF7D5260)
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun SetCilTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+    val view = LocalView.current
+    if (!view.isInEditMode) {
+        SideEffect {
+            val window = (view.context as Activity).window
+            window.statusBarColor = colorScheme.primary.toArgb()
+            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+        }
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}
--- a/app/src/main/java/yenon/setcil/ui/theme/Type.kt
+++ b/app/src/main/java/yenon/setcil/ui/theme/Type.kt
@@ -0,0 +1,34 @@
+package yenon.setcil.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+    */
+)
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
--- a/app/src/main/res/drawable/setcil.xml
+++ b/app/src/main/res/drawable/setcil.xml
@@ -0,0 +1,41 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="512dp"
+    android:height="512dp"
+    android:viewportWidth="512"
+    android:viewportHeight="512">
+  <path
+      android:pathData="M327.6,178.32l21.41,21.35l-133.45,133.81l-21.41,-21.35z"
+      android:strokeWidth="0.998962"
+      android:fillColor="#9cafbd"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="m190.78,320.73c0.6,0.62 2.38,2.47 -0.62,8.16 -3,5.69 -10.5,15.53 -14.14,20.56 -3.64,5.03 -3.41,5.25 -3.19,5.48L204.85,322.8L196.16,314.13c-1.78,1.78 -3.56,3.57 -4.55,4.56 -1,1 -1.25,1.25 -1.34,1.33 -0.08,0.08 -0.08,0.08 0.51,0.7zM206.97,336.87c-0.62,-0.59 -2.47,-2.38 -8.16,0.64 -5.68,3.02 -15.5,10.54 -20.52,14.19 -5.02,3.65 -5.24,3.43 -5.47,3.21l32.03,-32.11l8.7,8.67c-1.78,1.78 -3.56,3.57 -4.55,4.57 -0.99,1 -1.24,1.25 -1.33,1.34 -0.08,0.09 -0.08,0.09 -0.7,-0.51z"
+      android:strokeWidth="1.00157"
+      android:fillColor="#9cafbd"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="m327.6,178.32c0.89,0.89 1.78,1.78 2.67,1.78 0.89,-0 1.78,-0.89 2.67,-1.79l35.94,-36.04c0.7,-0.7 1.39,-1.4 1.41,-2.3 0.01,-0.91 -0.66,-2.02 -1.33,-3.13L370.3,135.51L366.27,118.14L370.27,114.13L391.68,135.48l-53.38,53.52l-8.92,-8.9c-1.78,-1.78 -1.78,-1.78 -1.78,-1.78zM348.98,199.65c-0.89,-0.89 -1.78,-1.78 -1.79,-2.67 -0,-0.89 0.89,-1.78 1.78,-2.67l35.94,-36.04c0.7,-0.7 1.39,-1.4 2.3,-1.41 0.91,-0.02 2.02,0.65 3.13,1.32L391.69,156.84L409.06,160.82L413.07,156.81l-21.41,-21.35l-53.38,53.52l8.92,8.9c1.78,1.78 1.78,1.78 1.78,1.78z"
+      android:strokeWidth="1.00157"
+      android:fillColor="#9cafbd"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="M367.35,111.34l7.47,-7.47l48.53,48.53l-7.47,7.47z"
+      android:strokeWidth="1.38101"
+      android:fillColor="#000000"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="M371.08,100.14l22.4,-22.4l56,56l-22.4,22.4z"
+      android:strokeWidth="1.27607"
+      android:fillColor="#000000"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="M390.92,76.56l130.66,-130.66l59.73,59.73l-130.66,130.66z"
+      android:strokeWidth="1.17627"
+      android:fillColor="#4fae43"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="m160.13,126.92c19.92,-6.64 28.78,-8.12 39.85,0 11.07,8.12 14.76,22.88 8.12,36.16 -6.64,13.28 -55.71,30.99 -69,53.5 -12.01,20.35 -7.89,51.34 1.84,73.05 9.59,21.4 32.84,61.99 32.84,61.99 0,0 -44.84,-41.98 -60.14,-63.83 -13.36,-19.08 -26.93,-61.34 -14.02,-98.14 9.69,-27.63 42.8,-56.08 60.51,-62.72z"
+      android:strokeWidth="1.00157"
+      android:fillColor="#e4e4e4"
+      android:strokeColor="#00000000"/>
+</vector>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/setcil" />
+    <monochrome android:drawable="@drawable/setcil" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/setcil" />
+    <monochrome android:drawable="@drawable/setcil" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">SetCil</string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.SetCil" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>
--- a/app/src/main/res/xml/backup_rules.xml
+++ b/app/src/main/res/xml/backup_rules.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
--- a/app/src/main/res/xml/data_extraction_rules.xml
+++ b/app/src/main/res/xml/data_extraction_rules.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
--- a/app/src/test/java/yenon/setcil/ExampleUnitTest.kt
+++ b/app/src/test/java/yenon/setcil/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package yenon.setcil
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}