package <%= java_package %> import android.app.Activity import android.app.AlarmManager import android.app.NotificationChannel import android.app.NotificationManager import android.app.PendingIntent import android.content.BroadcastReceiver import android.content.pm.PackageManager import android.hardware.Sensor import android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager import android.location.LocationListener import android.location.LocationManager as AndroidLocationManager import android.media.MediaPlayer import android.media.MediaRecorder import android.net.Uri import android.os.SystemClock import androidx.biometric.BiometricManager import androidx.biometric.BiometricPrompt import androidx.core.app.ActivityCompat import androidx.core.app.NotificationCompat import androidx.core.content.ContextCompat import androidx.core.content.FileProvider import androidx.fragment.app.FragmentActivity import com.google.android.gms.location.FusedLocationProviderClient import com.google.android.gms.location.LocationCallback import com.google.android.gms.location.LocationRequest import com.google.android.gms.location.LocationResult import com.google.android.gms.location.LocationServices import com.google.android.gms.location.Priority import java.io.File import java.lang.ref.WeakReference import java.util.concurrent.Executor import androidx.compose.foundation.background import androidx.compose.foundation.border import androidx.compose.foundation.clickable import androidx.compose.foundation.layout.* import androidx.compose.foundation.horizontalScroll import androidx.compose.foundation.lazy.LazyColumn import androidx.compose.foundation.lazy.LazyListState import androidx.compose.foundation.lazy.items import androidx.compose.foundation.lazy.rememberLazyListState import androidx.compose.foundation.rememberScrollState import androidx.compose.foundation.shape.RoundedCornerShape import androidx.compose.foundation.verticalScroll import androidx.compose.foundation.layout.imePadding import androidx.compose.foundation.text.KeyboardActions import androidx.compose.foundation.text.KeyboardOptions import androidx.compose.ui.draw.clip import androidx.compose.ui.focus.onFocusChanged import androidx.compose.ui.layout.ContentScale import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.platform.LocalSoftwareKeyboardController import androidx.compose.ui.text.input.ImeAction import androidx.compose.ui.text.input.KeyboardType import androidx.compose.ui.text.font.FontFamily import androidx.compose.ui.text.font.FontStyle import androidx.compose.ui.text.font.FontWeight import androidx.compose.ui.text.style.TextAlign import androidx.compose.ui.text.style.TextOverflow import androidx.compose.material.icons.Icons import androidx.compose.material.icons.filled.Add import androidx.compose.material.icons.filled.ArrowBack import androidx.compose.material.icons.filled.ArrowForward import androidx.compose.material.icons.filled.Check import androidx.compose.material.icons.filled.ChevronLeft import androidx.compose.material.icons.filled.ChevronRight import androidx.compose.material.icons.filled.Close import androidx.compose.material.icons.filled.Delete import androidx.compose.material.icons.filled.Edit import androidx.compose.material.icons.filled.Error import androidx.compose.material.icons.filled.ExpandLess import androidx.compose.material.icons.filled.ExpandMore import androidx.compose.material.icons.filled.Favorite import androidx.compose.material.icons.filled.FavoriteBorder import androidx.compose.material.icons.filled.Home import androidx.compose.material.icons.filled.Info import androidx.compose.material.icons.filled.KeyboardArrowUp import androidx.compose.material.icons.filled.Menu import androidx.compose.material.icons.filled.MoreVert import androidx.compose.material.icons.filled.Person import androidx.compose.material.icons.filled.QuestionMark import androidx.compose.material.icons.filled.Refresh import androidx.compose.material.icons.filled.Remove import androidx.compose.material.icons.filled.Search import androidx.compose.material.icons.filled.Settings import androidx.compose.material.icons.filled.Share import androidx.compose.material.icons.filled.Star import androidx.compose.material.icons.filled.StarBorder import androidx.compose.material.icons.filled.Warning import androidx.compose.material3.Button import androidx.compose.material3.ButtonDefaults import androidx.compose.material3.Icon import androidx.compose.material3.CircularProgressIndicator import androidx.compose.material3.DividerDefaults import androidx.compose.material3.HorizontalDivider import androidx.compose.material3.LinearProgressIndicator import androidx.compose.material3.Slider import androidx.compose.material3.SliderDefaults import androidx.compose.material3.Switch import androidx.compose.material3.SwitchDefaults import androidx.compose.material3.Icon import androidx.compose.material3.NavigationBar import androidx.compose.material3.NavigationBarItem import androidx.compose.material3.Scaffold import androidx.compose.material3.Text import androidx.compose.material3.TextField import androidx.compose.runtime.* import android.content.ClipData import android.content.ClipboardManager import android.content.Context import android.content.Intent import android.graphics.Typeface import android.os.Build import android.view.HapticFeedbackConstants import org.json.JSONArray import androidx.compose.ui.Alignment import androidx.compose.ui.Modifier import androidx.compose.ui.graphics.Color import androidx.compose.ui.unit.TextUnit import androidx.compose.ui.unit.dp import androidx.compose.ui.unit.sp import coil.compose.AsyncImage import org.json.JSONObject import androidx.camera.core.CameraSelector import androidx.camera.core.Preview as CameraPreview import androidx.camera.lifecycle.ProcessCameraProvider import androidx.camera.view.PreviewView import androidx.compose.ui.viewinterop.AndroidView import androidx.lifecycle.LifecycleOwner /** * Bridge between the BEAM and Jetpack Compose. * * The BEAM calls setRootJson(json) (via dala_nif's set_root/1) whenever the * screen re-renders. MutableState triggers recomposition automatically — * no main-thread dispatch needed for state writes. * * Tap events: Compose onClick calls nativeSendTap(handle), which routes * to dala_send_tap() in dala_nif.c and sends {:tap, tag} to the registered PID. */ /** * Holds the rendered tree and the nav transition to animate. * * navKey only increments on actual navigation transitions (push/pop/reset). * AnimatedContent in MainActivity uses navKey as the contentKey so that * same-screen BEAM re-renders (transition == "none") recompose the existing * composable in place — no content swap, no focus loss, no keyboard dismissal. */ data class RootState(val navKey: Int, val transition: String, val node: DalaNode?) object DalaBridge { private val _rootState = mutableStateOf(RootState(0, "none", null)) val rootState: State get() = _rootState // Persists LazyListState across re-renders so scroll position survives data // updates. Keyed by the on_end_reached handle integer, which is stable within // a screen (same render-order index after each clear_taps). Cleared on // navigation transitions (push/pop/reset) where the list is genuinely new. private val lazyListStates = mutableMapOf() fun getOrCreateLazyListState(handle: Int): LazyListState = lazyListStates.getOrPut(handle) { LazyListState() } private var activityRef: WeakReference? = null /** Called from dala_nif.c via JNI — initialise anything activity-scoped. */ @JvmStatic fun init(activity: Activity) { activityRef = WeakReference(activity) extractOtpIfNeeded(activity) copyDalaLogos(activity) } /** * Extracts the bundled OTP runtime from `assets/otp.zip` into `/otp/`. * * Release builds (assembleRelease / bundleRelease) ship the OTP tree as an * asset zip because Play Store installs can't `adb push` it. The extractor * runs once on first launch (and again after each app update, keyed by * PackageInfo.lastUpdateTime). * * Debug builds skip extraction — `mix dala.deploy --native --android` pushes * the OTP tree directly to `/otp/` via adb, so no asset zip exists * and this method becomes a no-op. * * Pattern mirrors elixir-desktop's `Bridge.kt:unpackZip()`. */ private fun extractOtpIfNeeded(activity: Activity) { val assetList = try { activity.assets.list("") ?: emptyArray() } catch (_: Exception) { return } if ("otp.zip" !in assetList) return val otpDir = java.io.File(activity.filesDir, "otp") val marker = java.io.File(otpDir, ".installed_version") val expectedVersion = activity.packageManager .getPackageInfo(activity.packageName, 0).lastUpdateTime.toString() if (marker.exists() && marker.readText() == expectedVersion) return if (otpDir.exists()) otpDir.deleteRecursively() otpDir.mkdirs() activity.assets.open("otp.zip").use { input -> java.util.zip.ZipInputStream(java.io.BufferedInputStream(input)).use { zis -> val buffer = ByteArray(8192) while (true) { val entry = zis.nextEntry ?: break val out = java.io.File(otpDir, entry.name) if (entry.isDirectory) { out.mkdirs() } else { out.parentFile?.mkdirs() java.io.FileOutputStream(out).use { fos -> var n = zis.read(buffer) while (n != -1) { fos.write(buffer, 0, n); n = zis.read(buffer) } } } zis.closeEntry() } } } marker.writeText(expectedVersion) android.util.Log.i("DalaBridge", "extracted OTP runtime, version=$expectedVersion") } /** Extracts Dala logo PNGs from APK assets to the OTP root so Elixir can reference them. */ private fun copyDalaLogos(activity: Activity) { val otpDir = java.io.File(activity.filesDir, "otp").also { it.mkdirs() } listOf("dala_logo_dark.png", "dala_logo_light.png").forEach { name -> try { activity.assets.open(name).use { input -> java.io.File(otpDir, name).outputStream().use { output -> input.copyTo(output) } } } catch (e: Exception) { android.util.Log.w("DalaBridge", "Could not copy logo asset $name: $e") } } } /** * Called from nif_color_scheme via JNI. Returns "light" or "dark" based on * the current night-mode UI configuration. Falls back to "light" if the * activity is gone (shouldn't happen in practice). */ @JvmStatic fun getColorScheme(): String { val activity = activityRef?.get() ?: return "light" val nightMode = activity.resources.configuration.uiMode and android.content.res.Configuration.UI_MODE_NIGHT_MASK return if (nightMode == android.content.res.Configuration.UI_MODE_NIGHT_YES) "dark" else "light" } /** Called from nif_exit_app via JNI — backgrounds the app without killing it. */ @JvmStatic fun moveToBack() { activityRef?.get()?.let { activity -> activity.runOnUiThread { activity.moveTaskToBack(true) } } } /** * Called from MainActivity.onConfigurationChanged when uiMode flips. * Forwards to the BEAM via JNI so Dala.Device :appearance subscribers * see {:dala_device, :color_scheme_changed, :light | :dark}. */ @JvmStatic fun notifyColorSchemeChanged(scheme: String) { nativeNotifyColorScheme(scheme) } /** JNI bridge — implemented in beam_jni.c. */ @JvmStatic external fun nativeNotifyColorScheme(scheme: String) /** Called from dala_nif.c's nif_set_root — updates Compose state. */ @JvmStatic fun setRootJson(json: String, transition: String) { // Navigation transitions mean a genuinely different screen — old list state // is no longer relevant and would scroll the wrong list to a stale position. val newKey = if (transition != "none") { lazyListStates.clear() _rootState.value.navKey + 1 } else { _rootState.value.navKey } _rootState.value = RootState(newKey, transition, JSONObject(json).toDalaNode()) } /** Called from Compose onClick — routes tap back to BEAM via C. */ @JvmStatic external fun nativeSendTap(handle: Int) /** Called from Compose onChange — routes change value back to BEAM via C. */ @JvmStatic external fun nativeSendChangeStr(handle: Int, value: String) @JvmStatic external fun nativeSendChangeBool(handle: Int, value: Boolean) @JvmStatic external fun nativeSendChangeFloat(handle: Int, value: Float) @JvmStatic external fun nativeSendFocus(handle: Int) @JvmStatic external fun nativeSendBlur(handle: Int) @JvmStatic external fun nativeSendSubmit(handle: Int) /** Called from BackHandler in MainActivity when the system back gesture fires. */ @JvmStatic external fun nativeHandleBack() // ── Native delivery stubs — implemented in beam_jni.c ──────────────────── @JvmStatic external fun nativeDeliverAtom2(pid: Long, a1: String, a2: String) @JvmStatic external fun nativeDeliverAtom3(pid: Long, a1: String, a2: String, a3: String) @JvmStatic external fun nativeDeliverLocation(pid: Long, lat: Double, lon: Double, acc: Double, alt: Double) @JvmStatic external fun nativeDeliverMotion(pid: Long, ax: Double, ay: Double, az: Double, gx: Double, gy: Double, gz: Double, ts: Long) @JvmStatic external fun nativeDeliverFileResult(pid: Long, event: String, sub: String, json: String?) @JvmStatic external fun nativeDeliverPushToken(pid: Long, token: String) @JvmStatic external fun nativeDeliverNotification(pid: Long, json: String) @JvmStatic external fun nativeSetLaunchNotification(json: String?) @JvmStatic external fun nativeDeliverWebViewMessage(pid: Long, json: String) @JvmStatic external fun nativeDeliverWebViewBlocked(pid: Long, url: String) @JvmStatic external fun nativeDeliverAlertAction(action: String) // ── Pending callback PIDs ────────────────────────────────────────────── var pendingPermissionPid: Long = 0 var pendingPermissionCap: String = "" var pendingCameraPid: Long = 0 var pendingCameraIsVideo: Boolean = false var pendingPhotosPid: Long = 0 var pendingFilesPid: Long = 0 var pendingScanPid: Long = 0 // ── Permissions ──────────────────────────────────────────────────────── @JvmStatic fun request_permission(pid: Long, cap: String) { pendingPermissionPid = pid pendingPermissionCap = cap val activity = activityRef?.get() ?: run { nativeDeliverAtom2(pid, "permission", "denied"); return } val perms = when (cap) { "camera" -> arrayOf(android.Manifest.permission.CAMERA) "microphone" -> arrayOf(android.Manifest.permission.RECORD_AUDIO) "photo_library" -> if (android.os.Build.VERSION.SDK_INT >= 33) arrayOf(android.Manifest.permission.READ_MEDIA_IMAGES, android.Manifest.permission.READ_MEDIA_VIDEO) else arrayOf(android.Manifest.permission.READ_EXTERNAL_STORAGE) "location" -> arrayOf(android.Manifest.permission.ACCESS_FINE_LOCATION) "notifications" -> if (android.os.Build.VERSION.SDK_INT >= 33) arrayOf(android.Manifest.permission.POST_NOTIFICATIONS) else { nativeDeliverAtom2(pid, "permission", "granted"); return } else -> { nativeDeliverAtom2(pid, "permission", "denied"); return } } if (perms.all { ContextCompat.checkSelfPermission(activity, it) == PackageManager.PERMISSION_GRANTED }) { nativeDeliverAtom2(pid, "permission", "granted") } else { ActivityCompat.requestPermissions(activity, perms, PERM_REQUEST_CODE) } } @JvmStatic fun onPermissionResult(granted: Boolean) { nativeDeliverAtom2(pendingPermissionPid, "permission", if (granted) "granted" else "denied") } // ── Biometric ───────────────────────────────────────────────────────── @JvmStatic fun biometric_authenticate(pid: Long, reason: String) { val activity = activityRef?.get() as? FragmentActivity ?: run { nativeDeliverAtom2(pid, "biometric", "not_available"); return } val mgr = BiometricManager.from(activity) if (mgr.canAuthenticate(BiometricManager.Authenticators.BIOMETRIC_WEAK) != BiometricManager.BIOMETRIC_SUCCESS) { nativeDeliverAtom2(pid, "biometric", "not_available"); return } val executor: Executor = ContextCompat.getMainExecutor(activity) val prompt = BiometricPrompt(activity, executor, object : BiometricPrompt.AuthenticationCallback() { override fun onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult) { nativeDeliverAtom2(pid, "biometric", "success") } override fun onAuthenticationFailed() { nativeDeliverAtom2(pid, "biometric", "failure") } override fun onAuthenticationError(code: Int, msg: CharSequence) { nativeDeliverAtom2(pid, "biometric", if (code == BiometricPrompt.ERROR_CANCELED || code == BiometricPrompt.ERROR_USER_CANCELED) "failure" else "not_available") } }) activity.runOnUiThread { prompt.authenticate(BiometricPrompt.PromptInfo.Builder() .setTitle("Authenticate").setSubtitle(reason) .setNegativeButtonText("Cancel") .setAllowedAuthenticators(BiometricManager.Authenticators.BIOMETRIC_WEAK).build()) } } // ── Location ────────────────────────────────────────────────────────── private var locationClient: FusedLocationProviderClient? = null private var locationCallback: LocationCallback? = null @JvmStatic fun location_get_once(pid: Long, accuracy: String) { val activity = activityRef?.get() ?: run { nativeDeliverAtom3(pid, "location", "error", "unavailable"); return } if (ContextCompat.checkSelfPermission(activity, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) { nativeDeliverAtom3(pid, "location", "error", "permission_denied"); return } val client = LocationServices.getFusedLocationProviderClient(activity) client.lastLocation.addOnSuccessListener { loc -> if (loc != null) { nativeDeliverLocation(pid, loc.latitude, loc.longitude, loc.accuracy.toDouble(), loc.altitude) } else { val req = LocationRequest.Builder(Priority.PRIORITY_BALANCED_POWER_ACCURACY, 1000).setMaxUpdates(1).build() val cb = object : LocationCallback() { override fun onLocationResult(result: LocationResult) { result.lastLocation?.let { l -> nativeDeliverLocation(pid, l.latitude, l.longitude, l.accuracy.toDouble(), l.altitude) } client.removeLocationUpdates(this) } } client.requestLocationUpdates(req, cb, activity.mainLooper) } } } @JvmStatic fun location_start(pid: Long, accuracy: String) { val activity = activityRef?.get() ?: return if (ContextCompat.checkSelfPermission(activity, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) { nativeDeliverAtom3(pid, "location", "error", "permission_denied"); return } val priority = when (accuracy) { "high" -> Priority.PRIORITY_HIGH_ACCURACY "low" -> Priority.PRIORITY_LOW_POWER else -> Priority.PRIORITY_BALANCED_POWER_ACCURACY } val client = LocationServices.getFusedLocationProviderClient(activity) locationClient = client val req = LocationRequest.Builder(priority, 5000).build() val cb = object : LocationCallback() { override fun onLocationResult(result: LocationResult) { result.lastLocation?.let { l -> nativeDeliverLocation(pid, l.latitude, l.longitude, l.accuracy.toDouble(), l.altitude) } } } locationCallback = cb client.requestLocationUpdates(req, cb, activity.mainLooper) } @JvmStatic fun location_stop() { locationCallback?.let { locationClient?.removeLocationUpdates(it) } locationCallback = null } // ── Camera ──────────────────────────────────────────────────────────── @JvmStatic fun camera_capture_photo(pid: Long, quality: String) { pendingCameraPid = pid pendingCameraIsVideo = false activityRef?.get()?.let { (it as? MainActivity)?.launchCameraPhoto() } ?: nativeDeliverAtom2(pid, "camera", "cancelled") } @JvmStatic fun camera_capture_video(pid: Long, maxDuration: String) { pendingCameraPid = pid pendingCameraIsVideo = true activityRef?.get()?.let { (it as? MainActivity)?.launchCameraVideo() } ?: nativeDeliverAtom2(pid, "camera", "cancelled") } @JvmStatic fun handleCameraPhotoResult(uri: Uri?) { val pid = pendingCameraPid if (uri == null) { nativeDeliverAtom2(pid, "camera", "cancelled"); return } val activity = activityRef?.get() ?: return Thread { try { val tmp = File(activity.cacheDir, "dala_photo_${System.currentTimeMillis()}.jpg") activity.contentResolver.openInputStream(uri)?.use { it.copyTo(tmp.outputStream()) } val json = """[{"path":"${tmp.absolutePath}","width":0,"height":0}]""" nativeDeliverFileResult(pid, "camera", "photo", json) } catch (e: Exception) { nativeDeliverAtom2(pid, "camera", "cancelled") } }.start() } @JvmStatic fun handleCameraVideoResult(uri: Uri?) { val pid = pendingCameraPid if (uri == null) { nativeDeliverAtom2(pid, "camera", "cancelled"); return } val activity = activityRef?.get() ?: return Thread { try { val tmp = File(activity.cacheDir, "dala_video_${System.currentTimeMillis()}.mp4") activity.contentResolver.openInputStream(uri)?.use { it.copyTo(tmp.outputStream()) } val json = """[{"path":"${tmp.absolutePath}","duration":0.0}]""" nativeDeliverFileResult(pid, "camera", "video", json) } catch (e: Exception) { nativeDeliverAtom2(pid, "camera", "cancelled") } }.start() } // ── Photos picker ───────────────────────────────────────────────────── @JvmStatic fun photos_pick(pid: Long, maxStr: String) { pendingPhotosPid = pid activityRef?.get()?.let { (it as? MainActivity)?.launchPhotosPicker(maxStr.toIntOrNull() ?: 1) } ?: nativeDeliverAtom2(pid, "photos", "cancelled") } @JvmStatic fun handlePhotosResult(uris: List) { val pid = pendingPhotosPid if (uris.isEmpty()) { nativeDeliverAtom2(pid, "photos", "cancelled"); return } val activity = activityRef?.get() ?: return Thread { try { val items = uris.mapIndexed { i, uri -> val ext = if (uri.toString().contains("video")) "mp4" else "jpg" val tmp = File(activity.cacheDir, "dala_pick_${System.currentTimeMillis()}_$i.$ext") activity.contentResolver.openInputStream(uri)?.use { it.copyTo(tmp.outputStream()) } val type = if (ext == "mp4") "video" else "image" """{"path":"${tmp.absolutePath}","type":"$type","width":0,"height":0}""" } val json = "[${items.joinToString(",")}]" nativeDeliverFileResult(pid, "photos", "picked", json) } catch (e: Exception) { nativeDeliverAtom2(pid, "photos", "cancelled") } }.start() } // ── File picker ─────────────────────────────────────────────────────── @JvmStatic fun files_pick(pid: Long, typesJson: String) { pendingFilesPid = pid activityRef?.get()?.let { (it as? MainActivity)?.launchFilePicker() } ?: nativeDeliverAtom2(pid, "files", "cancelled") } @JvmStatic fun handleFilesResult(uris: List) { val pid = pendingFilesPid if (uris.isEmpty()) { nativeDeliverAtom2(pid, "files", "cancelled"); return } val activity = activityRef?.get() ?: return Thread { try { val items = uris.mapIndexed { i, uri -> val name = uri.lastPathSegment ?: "file_$i" val tmp = File(activity.cacheDir, "dala_file_${System.currentTimeMillis()}_$name") activity.contentResolver.openInputStream(uri)?.use { it.copyTo(tmp.outputStream()) } val size = tmp.length() val mime = activity.contentResolver.getType(uri) ?: "application/octet-stream" """{"path":"${tmp.absolutePath}","name":"$name","mime":"$mime","size":$size}""" } val json = "[${items.joinToString(",")}]" nativeDeliverFileResult(pid, "files", "picked", json) } catch (e: Exception) { nativeDeliverAtom2(pid, "files", "cancelled") } }.start() } // ── Audio recording ─────────────────────────────────────────────────── private var audioRecorder: MediaRecorder? = null private var audioPath: String? = null private var audioStartMs: Long = 0 private var audioPid: Long = 0 @JvmStatic fun audio_start_recording(pid: Long, optsJson: String) { audioPid = pid val activity = activityRef?.get() ?: return activity.runOnUiThread { try { val tmp = File(activity.cacheDir, "dala_audio_${System.currentTimeMillis()}.m4a") audioPath = tmp.absolutePath audioStartMs = SystemClock.elapsedRealtime() val rec = if (android.os.Build.VERSION.SDK_INT >= 31) MediaRecorder(activity) else @Suppress("DEPRECATION") MediaRecorder() rec.setAudioSource(MediaRecorder.AudioSource.MIC) rec.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4) rec.setAudioEncoder(MediaRecorder.AudioEncoder.AAC) rec.setOutputFile(audioPath) rec.prepare() rec.start() audioRecorder = rec } catch (e: Exception) { nativeDeliverAtom3(pid, "audio", "error", "setup_failed") } } } @JvmStatic fun audio_stop_recording() { val rec = audioRecorder ?: return val pid = audioPid val path = audioPath ?: return val duration = (SystemClock.elapsedRealtime() - audioStartMs) / 1000.0 audioRecorder = null try { rec.stop() rec.release() val json = """[{"path":"$path","duration":$duration}]""" nativeDeliverFileResult(pid, "audio", "recorded", json) } catch (e: Exception) { nativeDeliverAtom3(pid, "audio", "error", "stop_failed") } } // ── Audio playback ───────────────────────────────────────────────────── private var audioPlayer: MediaPlayer? = null private var playbackPid: Long = 0 private var playbackPath: String? = null @JvmStatic fun audio_play(pid: Long, path: String, optsJson: String) { playbackPid = pid playbackPath = path val activity = activityRef?.get() ?: return activity.runOnUiThread { try { audioPlayer?.release() audioPlayer = null val opts = org.json.JSONObject(optsJson) val loop = opts.optBoolean("loop", false) val volume = opts.optDouble("volume", 1.0).toFloat() val player = MediaPlayer() player.setDataSource(path) player.isLooping = loop player.setVolume(volume, volume) player.setOnCompletionListener { val p = playbackPid val pp = playbackPath ?: "" audioPlayer = null playbackPath = null val json = """[{"path":"$pp"}]""" nativeDeliverFileResult(p, "audio", "playback_finished", json) } player.setOnErrorListener { _, _, _ -> val p = playbackPid audioPlayer = null playbackPath = null nativeDeliverAtom3(p, "audio", "playback_error", "player_error") true } player.prepare() player.start() audioPlayer = player } catch (e: Exception) { nativeDeliverAtom3(pid, "audio", "playback_error", "setup_failed") } } } @JvmStatic fun audio_stop_playback() { val player = audioPlayer ?: return audioPlayer = null playbackPath = null try { player.stop(); player.release() } catch (_: Exception) {} } @JvmStatic fun audio_set_volume(volStr: String) { val vol = volStr.toFloatOrNull() ?: 1.0f audioPlayer?.setVolume(vol, vol) } // ── Background keep-alive ───────────────────────────────────────────── @JvmStatic fun background_keep_alive() { val activity = activityRef?.get() ?: return val intent = Intent(activity, BeamForegroundService::class.java).apply { action = BeamForegroundService.ACTION_START } if (Build.VERSION.SDK_INT >= 26) { activity.startForegroundService(intent) } else { activity.startService(intent) } } @JvmStatic fun background_stop() { val activity = activityRef?.get() ?: return val intent = Intent(activity, BeamForegroundService::class.java).apply { action = BeamForegroundService.ACTION_STOP } activity.startService(intent) } // ── Storage ─────────────────────────────────────────────────────────── @JvmStatic fun storage_dir(type: String): String? { val ctx = activityRef?.get() ?: return null return when (type) { "temp" -> ctx.cacheDir.absolutePath + "/dala_temp" "documents" -> ctx.filesDir.absolutePath + "/documents" "cache" -> ctx.cacheDir.absolutePath "app_support" -> ctx.filesDir.absolutePath "icloud" -> null else -> null }.also { path -> path?.let { java.io.File(it).mkdirs() } } } @JvmStatic fun storage_external_files_dir(type: String): String? { val ctx = activityRef?.get() ?: return null val envType = when (type) { "documents" -> android.os.Environment.DIRECTORY_DOCUMENTS "pictures" -> android.os.Environment.DIRECTORY_PICTURES "movies" -> android.os.Environment.DIRECTORY_MOVIES "music" -> android.os.Environment.DIRECTORY_MUSIC "downloads" -> android.os.Environment.DIRECTORY_DOWNLOADS "dcim" -> android.os.Environment.DIRECTORY_DCIM else -> android.os.Environment.DIRECTORY_DOCUMENTS } return ctx.getExternalFilesDir(envType)?.absolutePath } @JvmStatic fun storage_save_to_media_store(pid: Long, path: String, type: String) { val ctx = activityRef?.get() ?: run { nativeDeliverAtom3(pid, "storage", "error", "no_context") return } val file = java.io.File(path) val ext = file.extension.lowercase() val mimeType = when { type == "image" || ext in listOf("jpg","jpeg","png","gif","webp","heic") -> "image/*" type == "video" || ext in listOf("mp4","mov","m4v","avi","mkv") -> "video/*" type == "audio" || ext in listOf("m4a","mp3","aac","wav","flac","ogg") -> "audio/*" else -> "*/*" } val collection = when { mimeType.startsWith("image") -> android.provider.MediaStore.Images.Media.getContentUri( android.provider.MediaStore.VOLUME_EXTERNAL_PRIMARY) mimeType.startsWith("video") -> android.provider.MediaStore.Video.Media.getContentUri( android.provider.MediaStore.VOLUME_EXTERNAL_PRIMARY) mimeType.startsWith("audio") -> android.provider.MediaStore.Audio.Media.getContentUri( android.provider.MediaStore.VOLUME_EXTERNAL_PRIMARY) else -> android.provider.MediaStore.Files.getContentUri( android.provider.MediaStore.VOLUME_EXTERNAL_PRIMARY) } try { val values = android.content.ContentValues().apply { put(android.provider.MediaStore.MediaColumns.DISPLAY_NAME, file.name) put(android.provider.MediaStore.MediaColumns.MIME_TYPE, mimeType) put(android.provider.MediaStore.MediaColumns.IS_PENDING, 1) } val uri = ctx.contentResolver.insert(collection, values) ?: throw Exception("insert returned null") ctx.contentResolver.openOutputStream(uri)?.use { out -> file.inputStream().use { it.copyTo(out) } } values.clear() values.put(android.provider.MediaStore.MediaColumns.IS_PENDING, 0) ctx.contentResolver.update(uri, values, null, null) val json = org.json.JSONArray().apply { put(org.json.JSONObject().put("path", path)) }.toString() nativeDeliverFileResult(pid, "storage", "saved_to_library", json) } catch (e: Exception) { nativeDeliverAtom3(pid, "storage", "error", "save_failed") } } // ── Camera preview ──────────────────────────────────────────────────── internal var previewCameraProvider: ProcessCameraProvider? = null @JvmStatic fun camera_start_preview(pid: Long, optsJson: String) { try { val facing = JSONObject(optsJson).optString("facing", "back") _previewFacing.value = facing } catch (_: Exception) {} } @JvmStatic fun camera_stop_preview() { _previewFacing.value = null previewCameraProvider?.unbindAll() previewCameraProvider = null } private val _previewFacing = mutableStateOf(null) val previewFacing: State get() = _previewFacing // ── Alerts / action sheets / toasts ─────────────────────────────────── @JvmStatic fun alert_show(title: String, message: String, buttonsJson: String) { val activity = activityRef?.get() ?: return val buttons = parseButtonsJson(buttonsJson) activity.runOnUiThread { val builder = android.app.AlertDialog.Builder(activity) if (title.isNotEmpty()) builder.setTitle(title) if (message.isNotEmpty()) builder.setMessage(message) val positives = buttons.filter { it["style"] != "cancel" } val cancels = buttons.filter { it["style"] == "cancel" } positives.firstOrNull()?.let { btn -> val action = btn["action"] ?: "dismiss" builder.setPositiveButton(btn["label"]) { _, _ -> nativeDeliverAlertAction(action) } } positives.getOrNull(1)?.let { btn -> val action = btn["action"] ?: "dismiss" builder.setNeutralButton(btn["label"]) { _, _ -> nativeDeliverAlertAction(action) } } cancels.firstOrNull()?.let { btn -> val action = btn["action"] ?: "dismiss" builder.setNegativeButton(btn["label"]) { _, _ -> nativeDeliverAlertAction(action) } } builder.setOnCancelListener { nativeDeliverAlertAction("dismiss") } builder.show() } } @JvmStatic fun action_sheet_show(title: String, buttonsJson: String) { val activity = activityRef?.get() ?: return val buttons = parseButtonsJson(buttonsJson) val nonCancel = buttons.filter { it["style"] != "cancel" } val cancel = buttons.firstOrNull { it["style"] == "cancel" } val labels = nonCancel.map { it["label"] ?: "" }.toTypedArray() activity.runOnUiThread { val builder = android.app.AlertDialog.Builder(activity) if (title.isNotEmpty()) builder.setTitle(title) builder.setItems(labels) { _, which -> val action = nonCancel[which]["action"] ?: "dismiss" nativeDeliverAlertAction(action) } cancel?.let { btn -> val action = btn["action"] ?: "dismiss" builder.setNegativeButton(btn["label"]) { _, _ -> nativeDeliverAlertAction(action) } } builder.setOnCancelListener { nativeDeliverAlertAction("dismiss") } builder.show() } } @JvmStatic fun toast_show(message: String, duration: String) { val activity = activityRef?.get() ?: return activity.runOnUiThread { val dur = if (duration == "long") android.widget.Toast.LENGTH_LONG else android.widget.Toast.LENGTH_SHORT android.widget.Toast.makeText(activity, message, dur).show() } } private fun parseButtonsJson(json: String): List> { return try { val arr = org.json.JSONArray(json) (0 until arr.length()).map { i -> val obj = arr.getJSONObject(i) mapOf("label" to obj.optString("label"), "style" to obj.optString("style"), "action" to obj.optString("action")) } } catch (e: Exception) { emptyList() } } // ── WebView ──────────────────────────────────────────────────────────── @Volatile var _webView: android.webkit.WebView? = null @JvmStatic fun webview_eval_js(code: String) { val wv = _webView ?: return activityRef?.get()?.runOnUiThread { wv.evaluateJavascript(code, null) } } @JvmStatic fun webview_post_message(json: String) { val escaped = json.replace("\\", "\\\\").replace("'", "\\'") webview_eval_js("window.dala&&window.dala._dispatch('$escaped')") } @JvmStatic fun webview_can_go_back(): Boolean { val wv = _webView ?: return false val latch = java.util.concurrent.CountDownLatch(1) var result = false activityRef?.get()?.runOnUiThread { result = wv.canGoBack() latch.countDown() } ?: latch.countDown() latch.await(1, java.util.concurrent.TimeUnit.SECONDS) return result } @JvmStatic fun webview_go_back() { val wv = _webView ?: return activityRef?.get()?.runOnUiThread { wv.goBack() } } // ── Motion sensors ───────────────────────────────────────────────────── private var sensorManager: SensorManager? = null private var sensorListener: SensorEventListener? = null private var motionPid: Long = 0 private var accelData = floatArrayOf(0f, 0f, 0f) private var gyroData = floatArrayOf(0f, 0f, 0f) @JvmStatic fun motion_start(pid: Long, intervalMsStr: String) { motionPid = pid val intervalMs = intervalMsStr.toLongOrNull() ?: 100L val activity = activityRef?.get() ?: return val sm = activity.getSystemService(android.content.Context.SENSOR_SERVICE) as SensorManager sensorManager = sm val listener = object : SensorEventListener { var lastSendMs = 0L override fun onSensorChanged(event: SensorEvent) { when (event.sensor.type) { Sensor.TYPE_ACCELEROMETER -> accelData = event.values.copyOf() Sensor.TYPE_GYROSCOPE -> gyroData = event.values.copyOf() } val now = System.currentTimeMillis() if (now - lastSendMs >= intervalMs) { lastSendMs = now nativeDeliverMotion(pid, accelData[0].toDouble(), accelData[1].toDouble(), accelData[2].toDouble(), gyroData[0].toDouble(), gyroData[1].toDouble(), gyroData[2].toDouble(), now) } } override fun onAccuracyChanged(sensor: Sensor, accuracy: Int) {} } sensorListener = listener sm.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)?.let { sm.registerListener(listener, it, SensorManager.SENSOR_DELAY_NORMAL) } sm.getDefaultSensor(Sensor.TYPE_GYROSCOPE)?.let { sm.registerListener(listener, it, SensorManager.SENSOR_DELAY_NORMAL) } } @JvmStatic fun motion_stop() { sensorListener?.let { sensorManager?.unregisterListener(it) } sensorListener = null } // ── QR scanner ──────────────────────────────────────────────────────── @JvmStatic fun scanner_scan(pid: Long, formatsJson: String) { pendingScanPid = pid activityRef?.get()?.let { (it as? MainActivity)?.launchQrScanner() } ?: nativeDeliverAtom2(pid, "scan", "cancelled") } @JvmStatic fun handleScanResult(value: String?, type: String?) { val pid = pendingScanPid if (value == null) { nativeDeliverAtom2(pid, "scan", "cancelled"); return } val safeValue = value.replace("\"", "\\\"") val safeType = (type ?: "qr").replace("\"", "\\\"") val json = """[{"type":"$safeType","value":"$safeValue"}]""" nativeDeliverFileResult(pid, "scan", "result", json) } // ── Local notifications ──────────────────────────────────────────────── const val NOTIF_CHANNEL_ID = "dala_notifications" private const val PERM_REQUEST_CODE = 9001 @JvmStatic fun notify_schedule(pid: Long, optsJson: String) { val activity = activityRef?.get() ?: return try { val opts = org.json.JSONObject(optsJson) val id = opts.getString("id") val title = opts.getString("title") val body = opts.getString("body") val triggerAt = opts.getLong("trigger_at") * 1000L // to ms // Ensure channel exists val nm = activity.getSystemService(android.content.Context.NOTIFICATION_SERVICE) as NotificationManager if (android.os.Build.VERSION.SDK_INT >= 26) { nm.createNotificationChannel( NotificationChannel(NOTIF_CHANNEL_ID, "Notifications", NotificationManager.IMPORTANCE_DEFAULT)) } val intent = android.content.Intent(activity, NotificationReceiver::class.java).apply { putExtra("title", title) putExtra("body", body) putExtra("id", id) putExtra("data", opts.optJSONObject("data")?.toString() ?: "{}") } val pi = PendingIntent.getBroadcast(activity, id.hashCode(), intent, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE) val am = activity.getSystemService(android.content.Context.ALARM_SERVICE) as AlarmManager if (android.os.Build.VERSION.SDK_INT >= 23) { am.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, triggerAt, pi) } else { am.setExact(AlarmManager.RTC_WAKEUP, triggerAt, pi) } } catch (e: Exception) { android.util.Log.e("DalaBridge", "notify_schedule failed: ${e.message}") } } @JvmStatic fun notify_cancel(id: String) { val activity = activityRef?.get() ?: return val intent = android.content.Intent(activity, NotificationReceiver::class.java) val pi = PendingIntent.getBroadcast(activity, id.hashCode(), intent, PendingIntent.FLAG_NO_CREATE or PendingIntent.FLAG_IMMUTABLE) pi?.let { val am = activity.getSystemService(android.content.Context.ALARM_SERVICE) as AlarmManager am.cancel(it) } } @JvmStatic fun notify_register_push(pid: Long, arg: String?) { // FCM token retrieval — requires Firebase SDK in build.gradle. // Uncomment when com.google.firebase:firebase-messaging is added: // com.google.firebase.messaging.FirebaseMessaging.getInstance().token // .addOnCompleteListener { task -> // if (task.isSuccessful) nativeDeliverPushToken(pid, task.result) // } android.util.Log.w("DalaBridge", "notify_register_push: add Firebase SDK to build.gradle") } @JvmStatic fun setLaunchNotification(json: String?) { nativeSetLaunchNotification(json) } /** * Called from nif_safe_area via JNI — returns [top, right, bottom, left] in dp. * Reads the window's system bar insets on the UI thread. */ @JvmStatic fun getSafeArea(): FloatArray { val activity = activityRef?.get() ?: return FloatArray(4) val density = activity.resources.displayMetrics.density val result = FloatArray(4) val latch = java.util.concurrent.CountDownLatch(1) activity.runOnUiThread { val insets = activity.window.decorView.rootWindowInsets if (insets != null) { result[0] = insets.systemWindowInsetTop / density result[1] = insets.systemWindowInsetRight / density result[2] = insets.systemWindowInsetBottom / density result[3] = insets.systemWindowInsetLeft / density } latch.countDown() } try { latch.await() } catch (e: InterruptedException) { Thread.currentThread().interrupt() } return result } /** Called from nif_haptic via JNI — fires haptic feedback on the UI thread. */ @JvmStatic fun haptic(type: String) { activityRef?.get()?.let { activity -> activity.runOnUiThread { val view = activity.window.decorView val constant = when (type) { "light" -> HapticFeedbackConstants.VIRTUAL_KEY "medium" -> HapticFeedbackConstants.CLOCK_TICK "heavy" -> HapticFeedbackConstants.LONG_PRESS "success" -> if (Build.VERSION.SDK_INT >= 30) HapticFeedbackConstants.CONFIRM else HapticFeedbackConstants.CLOCK_TICK "error" -> if (Build.VERSION.SDK_INT >= 30) HapticFeedbackConstants.REJECT else HapticFeedbackConstants.LONG_PRESS "warning" -> HapticFeedbackConstants.CLOCK_TICK else -> HapticFeedbackConstants.VIRTUAL_KEY } @Suppress("DEPRECATION") view.performHapticFeedback(constant, HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING) } } } /** Called from nif_clipboard_put via JNI — writes text to the system clipboard. */ @JvmStatic fun clipboardPut(text: String) { activityRef?.get()?.let { activity -> activity.runOnUiThread { val cm = activity.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager cm.setPrimaryClip(ClipData.newPlainText("dala", text)) } } } /** * Called from nif_clipboard_get via JNI — returns clipboard text or null. * Blocks the calling thread until the UI thread has read the clipboard. */ @JvmStatic fun clipboardGet(): String? { val activity = activityRef?.get() ?: return null val result = arrayOfNulls(1) val latch = java.util.concurrent.CountDownLatch(1) activity.runOnUiThread { try { val cm = activity.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager result[0] = cm.primaryClip?.getItemAt(0)?.coerceToText(activity)?.toString() } finally { latch.countDown() } } try { latch.await() } catch (e: InterruptedException) { Thread.currentThread().interrupt() } return result[0] } /** Called from nif_share_text via JNI — opens the system share sheet. */ @JvmStatic fun shareText(text: String) { activityRef?.get()?.let { activity -> activity.runOnUiThread { val intent = Intent(Intent.ACTION_SEND).apply { type = "text/plain" putExtra(Intent.EXTRA_TEXT, text) } activity.startActivity(Intent.createChooser(intent, null)) } } } /** Called from nif_open_url via JNI — hands a URL to the OS to open in the * default browser/handler. Fire-and-forget; failures are silently ignored. */ @JvmStatic fun openUrl(url: String) { activityRef?.get()?.let { activity -> activity.runOnUiThread { try { val intent = Intent(Intent.ACTION_VIEW, Uri.parse(url)).apply { addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) } activity.startActivity(intent) } catch (e: Exception) { android.util.Log.w("DalaBridge", "openUrl failed for $url: ${e.message}") } } } } } // ── Composables ─────────────────────────────────────────────────────────────── // ── Native view component registry ─────────────────────────────────────────── // Register platform-native Composables by name at app startup. The name is the // Elixir module with "Elixir." stripped and "." replaced with "_": // MyApp.ChartComponent → "MyApp_ChartComponent" // // DalaNativeViewRegistry.register("MyApp_ChartComponent") { props, send -> // ChartView(data = props["data"]) { index -> // send("tapped", mapOf("index" to index)) // } // } typealias DalaNativeSend = (event: String, payload: Map) -> Unit typealias DalaNativeViewFactory = @Composable (props: Map, send: DalaNativeSend) -> Unit object DalaNativeViewRegistry { private val factories = mutableMapOf() fun register(name: String, factory: DalaNativeViewFactory) { factories[name] = factory } @Composable fun render(node: DalaNode) { val name = node.props["module"] as? String ?: return val factory = factories[name] ?: return val handle = (node.props["component_handle"] as? Number)?.toInt() ?: return val send: DalaNativeSend = { event, payload -> try { val json = org.json.JSONObject(payload).toString() nativeDeliverComponentEvent(handle, event, json) } catch (_: Exception) {} } factory(node.props, send) } external fun nativeDeliverComponentEvent(handle: Int, event: String, payloadJson: String) } /** Renders a DalaNode tree produced by Dala.Renderer. */ @Composable fun RenderNode(node: DalaNode, modifier: Modifier = Modifier) { val m = modifier.then(nodeModifier(node.props)) when (node.type) { "column" -> Column(modifier = m) { node.children.forEach { child -> val w = floatProp(child.props, "weight") RenderNode(child, if (w != null) Modifier.weight(w) else Modifier) } } "row" -> Row(modifier = m, verticalAlignment = rowAlignProp(node.props)) { node.children.forEach { child -> val w = floatProp(child.props, "weight") RenderNode(child, if (w != null) Modifier.weight(w) else Modifier) } } // Box defaults to fillMaxWidth (matching iOS .frame(maxWidth: .infinity)) // so panels like the results "ACRES PER FILL" extend edge-to-edge. // App code can opt out with an explicit width modifier on the inner content. "box" -> Box(modifier = m.fillMaxWidth(), contentAlignment = Alignment.TopStart) { node.children.forEach { RenderNode(it) } } "scroll" -> { val scrollState = rememberScrollState() if (node.props["axis"] == "horizontal") { Row(modifier = m.horizontalScroll(scrollState)) { node.children.forEach { RenderNode(it) } } } else { Column(modifier = m.verticalScroll(scrollState).imePadding()) { node.children.forEach { RenderNode(it) } } } } "text" -> DalaText(node, m) "button" -> DalaButton(node, m) "tab_bar" -> DalaTabBar(node, m) "text_field" -> DalaTextField(node, m) "toggle" -> DalaToggle(node, m) "slider" -> DalaSlider(node, m) "divider" -> DalaDivider(node, m) "spacer" -> DalaSpacer(node, m) "progress" -> DalaProgress(node, m) "image" -> DalaImage(node, m) "icon" -> DalaIcon(node, m) "lazy_list" -> DalaLazyList(node, m) "video" -> DalaVideoPlayer(node, m) "camera_preview" -> DalaCameraPreview(node, m) "web_view" -> DalaWebView(node, m) "native_view" -> DalaNativeViewRegistry.render(node) } } @Composable private fun DalaText(node: DalaNode, modifier: Modifier) { val text = node.props["text"] as? String ?: "" val color = colorProp(node.props, "text_color") val fontSize = sizeProp(node.props, "text_size") val fontWeight = fontWeightProp(node.props) val fontStyle = if (boolProp(node.props, "italic") == true) FontStyle.Italic else FontStyle.Normal val textAlign = textAlignProp(node.props) val letterSpacing = floatProp(node.props, "letter_spacing") val lineHeightMul = floatProp(node.props, "line_height") val fontFamily = fontFamilyProp(node.props) val tapHandle = intProp(node.props, "on_tap") val resolvedLineHeight = if (lineHeightMul != null && fontSize != TextUnit.Unspecified) (lineHeightMul * fontSize.value).sp else TextUnit.Unspecified val tappableModifier = if (tapHandle != null) modifier.clickable { DalaBridge.nativeSendTap(tapHandle) } else modifier Text( text = text, modifier = tappableModifier, color = color, fontSize = fontSize, fontWeight = fontWeight, fontStyle = fontStyle, textAlign = textAlign, lineHeight = resolvedLineHeight, letterSpacing = letterSpacing?.sp ?: TextUnit.Unspecified, fontFamily = fontFamily, ) } @Composable private fun DalaButton(node: DalaNode, modifier: Modifier) { val label = node.props["text"] as? String ?: "" val tapHandle = intProp(node.props, "on_tap") val bgColor = colorProp(node.props, "background") val cornerRad = floatProp(node.props, "corner_radius") ?: 0f val fillWidth = boolProp(node.props, "fill_width") ?: false val colors = if (bgColor != Color.Unspecified) ButtonDefaults.buttonColors(containerColor = bgColor) else ButtonDefaults.buttonColors() // fill_width and corner_radius are driven by Elixir props (set in component // defaults but overridable per-node). Shape overrides M3's stadium default. Button( onClick = { tapHandle?.let { DalaBridge.nativeSendTap(it) } }, modifier = if (fillWidth) modifier.fillMaxWidth() else modifier, colors = colors, shape = RoundedCornerShape(cornerRad.dp), ) { val textColor = colorProp(node.props, "text_color") val fontSize = sizeProp(node.props, "text_size") Text(text = label, color = textColor, fontSize = fontSize, maxLines = 1, overflow = TextOverflow.Ellipsis) } } @Composable private fun DalaTextField(node: DalaNode, modifier: Modifier) { val changeHandle = intProp(node.props, "on_change") val focusHandle = intProp(node.props, "on_focus") val blurHandle = intProp(node.props, "on_blur") val submitHandle = intProp(node.props, "on_submit") val placeholder = node.props["placeholder"] as? String ?: "" val keyboardController = LocalSoftwareKeyboardController.current val keyboardType = when (node.props["keyboard"] as? String) { "number" -> KeyboardType.Number "decimal" -> KeyboardType.Decimal "email" -> KeyboardType.Email "phone" -> KeyboardType.Phone "url" -> KeyboardType.Uri else -> KeyboardType.Text } val imeAction = when (node.props["return_key"] as? String) { "next" -> ImeAction.Next "go" -> ImeAction.Go "search" -> ImeAction.Search "send" -> ImeAction.Send else -> ImeAction.Done } var localValue by remember(node.props["value"]) { mutableStateOf(node.props["value"] as? String ?: "") } TextField( value = localValue, onValueChange = { new -> localValue = new changeHandle?.let { DalaBridge.nativeSendChangeStr(it, new) } }, placeholder = { Text(placeholder) }, modifier = modifier.fillMaxWidth() .onFocusChanged { state -> if (state.isFocused) focusHandle?.let { DalaBridge.nativeSendFocus(it) } else blurHandle?.let { DalaBridge.nativeSendBlur(it) } }, singleLine = true, keyboardOptions = KeyboardOptions(keyboardType = keyboardType, imeAction = imeAction), keyboardActions = KeyboardActions(onAny = { submitHandle?.let { DalaBridge.nativeSendSubmit(it) } // dismiss for terminal actions; Next intentionally keeps keyboard open if (imeAction != ImeAction.Next) keyboardController?.hide() }), ) } @Composable private fun DalaToggle(node: DalaNode, modifier: Modifier) { val handle = intProp(node.props, "on_change") val checked = boolProp(node.props, "value") ?: false val color = colorProp(node.props, "color") Row(modifier = modifier, verticalAlignment = Alignment.CenterVertically) { node.props["label"]?.let { Text(text = it as String, modifier = Modifier.weight(1f)) } Switch( checked = checked, onCheckedChange = { new -> handle?.let { DalaBridge.nativeSendChangeBool(it, new) } }, colors = if (color != Color.Unspecified) SwitchDefaults.colors(checkedThumbColor = color) else SwitchDefaults.colors(), ) } } @Composable private fun DalaSlider(node: DalaNode, modifier: Modifier) { val handle = intProp(node.props, "on_change") val minVal = floatProp(node.props, "min") ?: 0f val maxVal = floatProp(node.props, "max") ?: 1f val color = colorProp(node.props, "color") var localVal by remember(node.props["value"]) { mutableStateOf(floatProp(node.props, "value") ?: minVal) } Slider( value = localVal, onValueChange = { new -> localVal = new handle?.let { DalaBridge.nativeSendChangeFloat(it, new) } }, valueRange = minVal..maxVal, modifier = modifier.fillMaxWidth(), colors = if (color != Color.Unspecified) SliderDefaults.colors(thumbColor = color, activeTrackColor = color) else SliderDefaults.colors(), ) } @Composable private fun DalaDivider(node: DalaNode, modifier: Modifier) { val thickness = floatProp(node.props, "thickness") ?: 1f val color = colorProp(node.props, "color") HorizontalDivider( modifier = modifier, thickness = thickness.dp, color = if (color != Color.Unspecified) color else DividerDefaults.color, ) } @Composable private fun DalaSpacer(node: DalaNode, modifier: Modifier) { val size = floatProp(node.props, "size") // size() sets both width and height so Spacer works as a gap in both Column and Row. Spacer(modifier = if (size != null) modifier.size(size.dp) else modifier) } @Composable private fun DalaProgress(node: DalaNode, modifier: Modifier) { val value = floatProp(node.props, "value") val color = colorProp(node.props, "color") val trackColor = if (color != Color.Unspecified) color else Color.Unspecified if (value != null) { LinearProgressIndicator( progress = { value }, modifier = modifier.fillMaxWidth(), color = if (trackColor != Color.Unspecified) trackColor else Color.Unspecified, ) } else { LinearProgressIndicator( modifier = modifier.fillMaxWidth(), color = if (trackColor != Color.Unspecified) trackColor else Color.Unspecified, ) } } @Composable private fun DalaImage(node: DalaNode, modifier: Modifier) { val src = node.props["src"] as? String val contentScale = when (node.props["content_mode"] as? String) { "fill" -> ContentScale.Crop "stretch" -> ContentScale.FillBounds else -> ContentScale.Fit } val cornerRadius = floatProp(node.props, "corner_radius") ?: 0f val fixedWidth = floatProp(node.props, "width") val fixedHeight = floatProp(node.props, "height") // Coil's AsyncImage expects a URL string for remote images or a File object for // local paths. Passing a bare path string as a model causes it to treat it as a // relative URL and fail silently. Detect local paths and wrap in File. val model: Any? = when { src == null -> null src.startsWith("http://") || src.startsWith("https://") -> src else -> java.io.File(src) } var m = modifier if (fixedWidth != null) m = m.width(fixedWidth.dp) if (fixedHeight != null) m = m.height(fixedHeight.dp) if (cornerRadius > 0f) m = m.clip(RoundedCornerShape(cornerRadius.dp)) AsyncImage( model = model, contentDescription = null, contentScale = contentScale, modifier = m, ) } @Composable private fun DalaIcon(node: DalaNode, modifier: Modifier) { val name = node.props["name"] as? String ?: "questionmark" val tint = colorProp(node.props, "text_color") val fontSizeSp = sizeProp(node.props, "text_size") val sizeDp = if (fontSizeSp != androidx.compose.ui.unit.TextUnit.Unspecified) fontSizeSp.value.dp else 24.dp val description = node.props["text"] as? String val onTap = (node.props["on_tap"] as? Number)?.toInt() val baseMod = if (onTap != null) modifier.clickable { DalaBridge.nativeSendTap(onTap) } else modifier Icon( imageVector = materialIconFor(name), contentDescription = description, tint = if (tint == Color.Unspecified) Color.Unspecified else tint, modifier = baseMod.size(sizeDp), ) } // Logical icon name → Material icon. Names mirror DalaRootView.swift's // sfSymbolName/1 so the same `name:` prop renders an Apple-styled icon on iOS // and a Material-styled icon on Android. Unknown names fall back to a "?". private fun materialIconFor(logical: String): androidx.compose.ui.graphics.vector.ImageVector = when (logical) { "settings" -> Icons.Filled.Settings "back" -> Icons.Filled.ArrowBack "forward" -> Icons.Filled.ArrowForward "close" -> Icons.Filled.Close "add" -> Icons.Filled.Add "remove" -> Icons.Filled.Remove "edit" -> Icons.Filled.Edit "check" -> Icons.Filled.Check "chevron_right" -> Icons.Filled.ChevronRight "chevron_left" -> Icons.Filled.ChevronLeft "chevron_up" -> Icons.Filled.KeyboardArrowUp "chevron_down" -> Icons.Filled.ExpandMore "info" -> Icons.Filled.Info "warning" -> Icons.Filled.Warning "error" -> Icons.Filled.Error "search" -> Icons.Filled.Search "trash" -> Icons.Filled.Delete "share" -> Icons.Filled.Share "more" -> Icons.Filled.MoreVert "menu" -> Icons.Filled.Menu "refresh" -> Icons.Filled.Refresh "favorite" -> Icons.Filled.FavoriteBorder "favorite_filled" -> Icons.Filled.Favorite "star" -> Icons.Filled.StarBorder "star_filled" -> Icons.Filled.Star "user" -> Icons.Filled.Person "home" -> Icons.Filled.Home "expand_more" -> Icons.Filled.ExpandMore "expand_less" -> Icons.Filled.ExpandLess else -> Icons.Filled.QuestionMark } @Composable private fun DalaCameraPreview(node: DalaNode, modifier: Modifier) { val facingStr = (node.props["facing"] as? String) ?: "back" val cameraSelector = if (facingStr == "front") CameraSelector.DEFAULT_FRONT_CAMERA else CameraSelector.DEFAULT_BACK_CAMERA val context = LocalContext.current val lifecycleOwner = context as LifecycleOwner AndroidView( modifier = modifier, factory = { ctx -> PreviewView(ctx).also { previewView -> val providerFuture = ProcessCameraProvider.getInstance(ctx) providerFuture.addListener({ val provider = providerFuture.get() DalaBridge.previewCameraProvider = provider val preview = CameraPreview.Builder().build().also { it.setSurfaceProvider(previewView.surfaceProvider) } try { provider.unbindAll() provider.bindToLifecycle(lifecycleOwner, cameraSelector, preview) } catch (_: Exception) {} }, context.mainExecutor) } } ) } private val DALA_JS_SHIM = """ (function(){ if(window.dala)return; var _h=[]; window.dala={ send:function(d){DalaNative.postMessage(JSON.stringify(d));}, onMessage:function(h){_h.push(h);return function(){_h=_h.filter(function(x){return x!==h;};}, _dispatch:function(j){try{var d=JSON.parse(j);_h.forEach(function(h){h(d);});}catch(e){}} }; })(); """.trimIndent() @Composable private fun DalaWebView(node: DalaNode, modifier: Modifier) { val url = node.props["url"] as? String ?: return val allowStr = node.props["allow"] as? String ?: "" val allowList = allowStr.split(",").filter { it.isNotEmpty() } val title = node.props["title"] as? String Column(modifier = modifier) { if (title != null) { Text(text = title, fontSize = 12.sp, modifier = Modifier.padding(horizontal = 12.dp, vertical = 4.dp)) } AndroidView( modifier = Modifier.weight(1f), factory = { ctx -> android.webkit.WebView(ctx).apply { settings.javaScriptEnabled = true settings.domStorageEnabled = true addJavascriptInterface(object : Any() { @android.webkit.JavascriptInterface fun postMessage(json: String) { DalaBridge.nativeDeliverWebViewMessage(0L, json) } }, "DalaNative") webViewClient = object : android.webkit.WebViewClient() { override fun onPageFinished(view: android.webkit.WebView, pageUrl: String) { view.evaluateJavascript(DALA_JS_SHIM, null) } override fun shouldOverrideUrlLoading( view: android.webkit.WebView, request: android.webkit.WebResourceRequest ): Boolean { if (allowList.isEmpty()) return false val reqUrl = request.url.toString() if (allowList.any { reqUrl.startsWith(it) }) return false DalaBridge.nativeDeliverWebViewBlocked(0L, reqUrl) return true } } DalaBridge._webView = this loadUrl(url) } }, update = { wv -> DalaBridge._webView = wv } ) } } @Composable private fun DalaVideoPlayer(node: DalaNode, modifier: Modifier) { val src = node.props["src"] as? String ?: return val autoplay = boolProp(node.props, "autoplay") ?: false val context = LocalContext.current // ExoPlayer / Media3 video player. // Requires: implementation 'androidx.media3:media3-exoplayer:1.3.0' // implementation 'androidx.media3:media3-ui:1.3.0' // Stubbed until Media3 dependency is added to build.gradle. // Replace this Box with the full player implementation when the dep is present: androidx.compose.foundation.layout.Box( modifier = modifier .background(Color.Black), contentAlignment = androidx.compose.ui.Alignment.Center ) { Text("Video: $src", color = Color.White, fontSize = 12.sp) } } @Composable private fun DalaLazyList(node: DalaNode, modifier: Modifier) { val handle = intProp(node.props, "on_end_reached") // Use a persistent LazyListState keyed by handle so scroll position survives // BEAM re-renders. rememberLazyListState() would reset to 0 on every data // update because AnimatedContent creates a fresh composition for each new // RootState, even when only list items changed (no navigation). val listState = remember(handle) { if (handle != null) DalaBridge.getOrCreateLazyListState(handle) else LazyListState() } val reachedEnd by remember { derivedStateOf { val lastVisible = listState.layoutInfo.visibleItemsInfo.lastOrNull()?.index ?: -1 val total = listState.layoutInfo.totalItemsCount total > 0 && lastVisible >= total - 1 } } LaunchedEffect(reachedEnd) { if (reachedEnd) handle?.let { DalaBridge.nativeSendTap(it) } } LazyColumn(state = listState, modifier = modifier.fillMaxWidth()) { items(node.children) { child -> RenderNode(child) } } } @Composable private fun DalaTabBar(node: DalaNode, modifier: Modifier) { val tabs = tabDefsProp(node.props) val activeId = (node.props["active"] as? String) ?: tabs.firstOrNull()?.get("id") ?: "" val handle = intProp(node.props, "on_tab_select") val activeIdx = tabs.indexOfFirst { it["id"] == activeId }.coerceAtLeast(0) Scaffold( modifier = modifier, bottomBar = { NavigationBar { tabs.forEachIndexed { index, tab -> NavigationBarItem( selected = index == activeIdx, onClick = { handle?.let { DalaBridge.nativeSendChangeStr(it, tab["id"] ?: "") } }, label = { Text(tab["label"] ?: "") }, icon = { Text(tab["icon"] ?: "○") } ) } } } ) { innerPadding -> if (activeIdx < node.children.size) { RenderNode(node.children[activeIdx], Modifier.padding(innerPadding)) } } } // ── Modifier helpers ────────────────────────────────────────────────────────── private fun nodeModifier(props: Map): Modifier { var m: Modifier = Modifier val cornerRadius = floatProp(props, "corner_radius") ?: 0f val shape = if (cornerRadius > 0f) RoundedCornerShape(cornerRadius.dp) else null // Background must come before padding so it fills the full area (including // padding space). If background were applied after padding, it would only // draw behind the inner content area — making empty boxes invisible. // When a corner radius is present, clip the background to that shape so // rectangular bleed doesn't show through the rounded corners. longColorProp(props, "background")?.let { bg -> m = if (shape != null) m.background(bg, shape) else m.background(bg) } // Border (opt-in: requires both border_color and border_width). Drawn on // the same shape as the background so rounded boxes get a proper outline. val borderColor = longColorProp(props, "border_color") val borderWidth = floatProp(props, "border_width") ?: 0f if (borderColor != null && borderWidth > 0f) { m = if (shape != null) m.border(borderWidth.dp, borderColor, shape) else m.border(borderWidth.dp, borderColor) } val uniform = intProp(props, "padding") val top = intProp(props, "padding_top") val right = intProp(props, "padding_right") val bottom = intProp(props, "padding_bottom") val left = intProp(props, "padding_left") val hasEdge = top != null || right != null || bottom != null || left != null m = when { hasEdge -> m.padding( top = (top ?: uniform ?: 0).dp, end = (right ?: uniform ?: 0).dp, bottom = (bottom ?: uniform ?: 0).dp, start = (left ?: uniform ?: 0).dp, ) uniform != null -> m.padding(uniform.dp) else -> m } // Clip children to shape after padding so the rounded mask covers the // entire padded area, not just the inner content. if (shape != null) m = m.clip(shape) if (boolProp(props, "fill_width") == true) m = m.fillMaxWidth() return m } // ── Typography helpers ──────────────────────────────────────────────────────── private fun fontWeightProp(props: Map): FontWeight? = when (props["font_weight"] as? String) { "bold" -> FontWeight.Bold "semibold" -> FontWeight.SemiBold "medium" -> FontWeight.Medium "light" -> FontWeight.Light "thin" -> FontWeight.Thin else -> null } private fun textAlignProp(props: Map): TextAlign? = when (props["text_align"] as? String) { "center" -> TextAlign.Center "right" -> TextAlign.End else -> null } private fun fontFamilyProp(props: Map): FontFamily? { val name = props["font"] as? String ?: return null return try { FontFamily(Typeface.create(name, Typeface.NORMAL)) } catch (_: Exception) { null } } // ── Tab bar helpers ─────────────────────────────────────────────────────────── private fun tabDefsProp(props: Map): List> { return when (val raw = props["tabs"]) { is JSONArray -> (0 until raw.length()).map { i -> val obj = raw.getJSONObject(i) mapOf("id" to obj.optString("id"), "label" to obj.optString("label"), "icon" to obj.optString("icon")) } else -> emptyList() } } // ── Prop extraction ─────────────────────────────────────────────────────────── // Vertical alignment for Row from the `align:` prop — :top / :center / :bottom // (atom from Elixir arrives as a String). Defaults to CenterVertically because // that matches the most common visual expectation (e.g. icon next to title); // opt back into Top with align: :top. private fun rowAlignProp(props: Map): Alignment.Vertical = when (props["align"] as? String) { "top" -> Alignment.Top "bottom" -> Alignment.Bottom else -> Alignment.CenterVertically } private fun colorProp(props: Map, key: String): Color = longColorProp(props, key) ?: Color.Unspecified private fun longColorProp(props: Map, key: String): Color? = when (val v = props[key]) { is Long -> Color(v.toInt()) is Int -> Color(v) is Double -> Color(v.toLong().toInt()) else -> null } private fun sizeProp(props: Map, key: String): TextUnit = when (val v = props[key]) { is Double -> v.toFloat().sp is Float -> v.sp is Int -> v.sp is Long -> v.toFloat().sp else -> TextUnit.Unspecified } private fun intProp(props: Map, key: String): Int? = when (val v = props[key]) { is Int -> v is Long -> v.toInt() is Double -> v.toInt() else -> null } private fun floatProp(props: Map, key: String): Float? = when (val v = props[key]) { is Double -> v.toFloat() is Float -> v is Int -> v.toFloat() is Long -> v.toFloat() else -> null } private fun boolProp(props: Map, key: String): Boolean? = when (val v = props[key]) { is Boolean -> v is String -> v == "true" else -> null } // ── Notification broadcast receiver ───────────────────────────────────────── // Receives alarms from AlarmManager and posts the notification to the system tray. // Also delivers the event to the running BEAM screen process if one is registered. class NotificationReceiver : BroadcastReceiver() { override fun onReceive(context: android.content.Context, intent: android.content.Intent) { val title = intent.getStringExtra("title") ?: "" val body = intent.getStringExtra("body") ?: "" val id = intent.getStringExtra("id") ?: "dala" val dataStr = intent.getStringExtra("data") ?: "{}" val nm = context.getSystemService(android.content.Context.NOTIFICATION_SERVICE) as NotificationManager val notif = NotificationCompat.Builder(context, DalaBridge.NOTIF_CHANNEL_ID) .setSmallIcon(android.R.drawable.ic_dialog_info) .setContentTitle(title) .setContentText(body) .setAutoCancel(true) .build() nm.notify(id.hashCode(), notif) // Deliver to BEAM if a screen is running val json = """{"id":"$id","title":"$title","body":"$body","source":"local","data":$dataStr}""" // We can't deliver directly here since we don't have a pid. // The notification delegate in iOS style is set up differently on Android. // Delivery happens via DalaBridge when the notification is tapped (MainActivity intent). // For foreground delivery, the screen registers via Dala.Permissions before scheduling. } }