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Yes, a Turkish DatePickerDialog can be created entirely using Kotlin Compose. The Compose library provides several UI components that can be used to create a custom date picker, including TextFields, Buttons, and Dialogs. With these components, you can easily create a DatePickerDialog that allows users to select a date in the Turkish format.

Here is an example of how you can create a Turkish DatePickerDialog using Kotlin Compose:

@Composable
fun TurkishDatePickerDialog(onDateSelected: (date: String) -> Unit) {
    var selectedDate by remember { mutableStateOf("") }
    var isDateDialogOpen by remember { mutableStateOf(false) }

    OutlinedTextField(
        value = selectedDate,
        label = { Text("Select Date") },
        readOnly = true,
        onClick = { isDateDialogOpen = true },
        modifier = Modifier.padding(16.dp)
    )

    if (isDateDialogOpen) {
        Dialog(
            onDismissRequest = { isDateDialogOpen = false }
        ) {
            var date by remember { mutableStateOf(LocalDateTime.now()) }

            Column(modifier = Modifier.padding(16.dp)) {
                DatePicker(
                    date = date,
                    onDateChange = { date = it },
                    locale = Locale("tr")
                )

                Spacer(modifier = Modifier.height(16.dp))

                Button(
                    onClick = {
                        selectedDate = date.format(DateTimeFormatter.ofPattern("dd-MM-yyyy", Locale("tr")))
                        isDateDialogOpen = false
                        onDateSelected(selectedDate)
                    }
                ) {
                    Text("Select")
                }
            }
        }
    }
}

In this example, we first create an OutlinedTextField that displays the selected date. When the user clicks on this field, we open a Dialog that contains a DatePicker and a Button to confirm the selected date. We use the DatePicker component provided by Compose and set the locale to Turkish (Locale("tr")). When the user clicks on the Select button, we format the selected date to the Turkish format ("dd-MM-yyyy") and pass it back to the caller using the onDateSelected callback.