Android Intent to Import Multiple Photos From Gallery (Kotlin)

class TestFragment : Fragment() {    companion object {        private const val REQUEST_PICK_PHOTO = 1    }    // ...}

val intent = Intent()intent.type = "image/*"intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true)intent.action = Intent.ACTION_GET_CONTENTstartActivityForResult(Intent.createChooser(intent, "Select Picture"), REQUEST_PICK_PHOTO)

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {    if (requestCode == REQUEST_PICK_PHOTO) {        if (resultCode == RESULT_OK) {            if (data == null) {                // something is wrong            }            val clipData = data.clipData            if (clipData != null) { // handle multiple photo                for (i in 0 until clipData.itemCount) {                    val uri = clipData.getItemAt(i).uri                    importPhoto(uri)                }            } else { // handle single photo                val uri = data?.data                importPhoto(uri)            }        }    }}

fun isImage(context: Context, uri: Uri): Boolean {    val mimeType = context.contentResolver.getType(uri) ?: return true    return mimeType.startsWith("image/")}private fun createImageFile(dir: File, fileName: String? = null): File {    if (fileName == null) {        val timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd-kkmmss"))        return File.createTempFile("IMG_$timestamp", ".jpg", dir)    }    return File(dir, fileName)}fun copyUriToFile(context: Context, uri: Uri, outputFile: File) {    val inputStream = context.contentResolver.openInputStream(uri)        // copy inputStream to file using okio    /*    val source = Okio.buffer(Okio.source(inputStream))    val sink = Okio.buffer(Okio.sink(outputFile))    sink.writeAll(source)    sink.close()    source.close()     */    val outputStream = FileOutputStream(outputFile)    inputStream.use { input ->        outputStream.use { output ->            input.copyTo(output)        }    }}fun importPhoto(uri: Uri): Boolean {    if (!isImage(context, uri)) {        // not image        return false    }    return try {        val photoFile = createImageFile(context.cacheDir)        copyUriToFile(context, uri, photoFile)                // addImageToGallery(photoFile)        true    }    catch (e: IOException) {        e.printStackTrace()        // handle error        false    }}