DatePicker

DateInputSample

@Preview
@Composable
fun DateInputSample() {
    Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
        val state = rememberDatePickerState(initialDisplayMode = DisplayMode.Input)
        DatePicker(state = state, modifier = Modifier.padding(16.dp))
        Text(
            "Entered date timestamp: ${state.selectedDateMillis ?: "no input"}",
            modifier = Modifier.align(Alignment.CenterHorizontally),
        )
    }
}

DatePickerApi26Sample

@RequiresApi(Build.VERSION_CODES.O)
@Preview
@Composable
fun DatePickerApi26Sample() {
    Column(
        modifier = Modifier.verticalScroll(rememberScrollState()),
        verticalArrangement = Arrangement.spacedBy(8.dp),
    ) {
        // Pre-select a date for April 15, 2023
        val datePickerState =
            rememberDatePickerState(initialSelectedDate = LocalDate.of(2023, 4, 15))
        DatePicker(state = datePickerState, modifier = Modifier.padding(16.dp))
        Text(
            "Selected date: ${datePickerState.getSelectedDate() ?: "no selection"}",
            modifier = Modifier.align(Alignment.CenterHorizontally),
        )
    }
}

DatePickerSample

@Preview
@Composable
fun DatePickerSample() {
    Column(
        modifier = Modifier.verticalScroll(rememberScrollState()),
        verticalArrangement = Arrangement.spacedBy(8.dp),
    ) {
        // Pre-select a date for January 4, 2020
        val datePickerState = rememberDatePickerState(initialSelectedDateMillis = 1578096000000)
        DatePicker(state = datePickerState, modifier = Modifier.padding(16.dp))
        Text(
            "Selected date timestamp: ${datePickerState.selectedDateMillis ?: "no selection"}",
            modifier = Modifier.align(Alignment.CenterHorizontally),
        )
    }
}

DatePickerWithDateSelectableDatesSample

@Preview
@Composable
fun DatePickerWithDateSelectableDatesSample() {
    val datePickerState =
        rememberDatePickerState(
            selectableDates =
                object : SelectableDates {
                    // Blocks Sunday and Saturday from being selected.
                    override fun isSelectableDate(utcTimeMillis: Long): Boolean {
                        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                            val dayOfWeek =
                                Instant.ofEpochMilli(utcTimeMillis)
                                    .atZone(ZoneId.of("UTC"))
                                    .toLocalDate()
                                    .dayOfWeek
                            dayOfWeek != DayOfWeek.SUNDAY && dayOfWeek != DayOfWeek.SATURDAY
                        } else {
                            val calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"))
                            calendar.timeInMillis = utcTimeMillis
                            calendar[Calendar.DAY_OF_WEEK] != Calendar.SUNDAY &&
                                calendar[Calendar.DAY_OF_WEEK] != Calendar.SATURDAY
                        }
                    }
                    // Allow selecting dates from year 2023 forward.
                    override fun isSelectableYear(year: Int): Boolean {
                        return year > 2022
                    }
                }
        )
    Column(
        modifier = Modifier.verticalScroll(rememberScrollState()),
        verticalArrangement = Arrangement.spacedBy(8.dp),
    ) {
        DatePicker(state = datePickerState)
        Text(
            "Selected date timestamp: ${datePickerState.selectedDateMillis ?: "no selection"}",
            modifier = Modifier.align(Alignment.CenterHorizontally),
        )
    }
}