Read SMS from inbox

Sms.kt

data class SmsMessage(val address: String, val body: String, val date: Long)

val context = LocalContext.current
    var smsList by remember { mutableStateOf<List<SmsMessage>>(emptyList()) }
    val permissionLauncher = rememberLauncherForActivityResult(
        ActivityResultContracts.RequestPermission()
    ) { isGranted: Boolean ->
        if (isGranted) {
            fetchSms(context) { smsList = it }
        }
    }

    LaunchedEffect(Unit) {
        val permission = Manifest.permission.READ_SMS
        if (ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED) {
            fetchSms(context) { smsList = it }
        } else {
            permissionLauncher.launch(permission)
        }
    }


fun fetchSms(context: android.content.Context, onSmsFetched: (List<SmsMessage>) -> Unit) {
    val uri = Telephony.Sms.CONTENT_URI
    val projection = arrayOf(Telephony.Sms.ADDRESS, Telephony.Sms.BODY, Telephony.Sms.DATE)
    val cursor = context.contentResolver.query(uri, projection, null, null, null)
    val messages = mutableListOf<SmsMessage>()
    if (cursor != null && cursor.moveToFirst()) {
        do {
            val address = cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Sms.ADDRESS))
            val body = cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Sms.BODY))
            val date = cursor.getLong(cursor.getColumnIndexOrThrow(Telephony.Sms.DATE))
            messages.add(SmsMessage(address, body, date))
        } while (cursor.moveToNext())
        cursor.close()
    }
    onSmsFetched(messages)
}