Kara Zajac
817a4ac1c9
Android app that detects personal item-trackers (AirTag, Tile, Samsung SmartTag, Google Find My Device / DULT) following the user over time. Sibling to OVERWATCH: OVERWATCH is spatial, VIGIL is temporal. - BLE scan + per-ecosystem wire-format parsing (Apple 0x004C/0x12, FMDN 0xFEAA, Samsung 0xFD5A, Tile 0xFEED/FEEC, DULT 0xFCB2) - Room temporal store (14-day sightings), co-movement evaluator with RSSI proximity gate - Allowlist + learned offline baseline (auto-trust household tags) - Foreground service, Compose UI (Catppuccin Mocha) - Privacy: NO INTERNET permission — fully on-device - Reuses OVERWATCH Gradle setup + committed debug keystore - docs/detection-rotation-clone.md: design for the rotation-clone presence engine (#1) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0187UiEtasyowhEBYs6s9iF5
114 lines
4.3 KiB
Kotlin
114 lines
4.3 KiB
Kotlin
package org.soulstone.vigil
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import android.Manifest
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import android.content.Intent
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import android.content.pm.PackageManager
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import android.net.Uri
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import android.os.Build
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import android.os.Bundle
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import android.provider.Settings as AndroidSettings
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.compose.runtime.collectAsState
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateOf
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import androidx.core.content.ContextCompat
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import androidx.lifecycle.lifecycleScope
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import kotlinx.coroutines.launch
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import org.soulstone.vigil.data.TrackerRepository
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import org.soulstone.vigil.data.db.VigilDatabase
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import org.soulstone.vigil.data.settings.Settings
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import org.soulstone.vigil.service.ScanService
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import org.soulstone.vigil.ui.MainScreen
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import org.soulstone.vigil.ui.theme.VigilTheme
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class MainActivity : ComponentActivity() {
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private lateinit var settings: Settings
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private lateinit var repo: TrackerRepository
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private val permissionsGranted = mutableStateOf(false)
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private val requiredPermissions: Array<String>
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get() = buildList {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
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add(Manifest.permission.BLUETOOTH_SCAN)
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add(Manifest.permission.BLUETOOTH_CONNECT)
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} else {
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add(Manifest.permission.BLUETOOTH)
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add(Manifest.permission.BLUETOOTH_ADMIN)
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}
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add(Manifest.permission.ACCESS_FINE_LOCATION)
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
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add(Manifest.permission.POST_NOTIFICATIONS)
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}
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// NOTE: ACCESS_BACKGROUND_LOCATION ("Allow all the time") must be
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// granted separately from app settings; scanning still runs via the
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// foreground service while the app is open. Prompt for it later.
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}.toTypedArray()
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private val permissionLauncher = registerForActivityResult(
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ActivityResultContracts.RequestMultiplePermissions()
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) { result ->
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val granted = result.all { it.value }
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permissionsGranted.value = granted
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if (granted) ScanService.start(this)
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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settings = Settings.get(this)
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repo = TrackerRepository(VigilDatabase.get(this))
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permissionsGranted.value = hasAllPermissions()
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setContent {
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VigilTheme {
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val running by ScanService.running.collectAsState()
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val trackers by repo.observeTrackers().collectAsState(initial = emptyList())
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val sensitivity by settings.sensitivity.collectAsState()
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val granted by permissionsGranted
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MainScreen(
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running = running,
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trackers = trackers,
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sensitivity = sensitivity,
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permissionMessage = if (granted) null
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else "Grant Bluetooth + location to start watching",
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onStartStop = {
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if (running) {
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ScanService.stop(this)
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} else if (granted) {
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ScanService.start(this)
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} else {
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permissionLauncher.launch(requiredPermissions)
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}
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},
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onSetSensitivity = { settings.setSensitivity(it) },
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onApprove = { id, approved ->
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lifecycleScope.launch { repo.setApproved(id, approved) }
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}
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)
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}
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}
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}
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override fun onResume() {
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super.onResume()
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permissionsGranted.value = hasAllPermissions()
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}
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private fun hasAllPermissions(): Boolean = requiredPermissions.all {
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ContextCompat.checkSelfPermission(this, it) == PackageManager.PERMISSION_GRANTED
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}
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@Suppress("unused")
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private fun openAppSettings() {
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startActivity(
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Intent(
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AndroidSettings.ACTION_APPLICATION_DETAILS_SETTINGS,
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Uri.fromParts("package", packageName, null)
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).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
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)
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}
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}
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