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371 lines (345 loc) · 11.9 KB
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/*
* Copyright 2024 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.compose.snippets.components
import androidx.compose.foundation.background
import androidx.compose.foundation.gestures.awaitEachGesture
import androidx.compose.foundation.gestures.awaitFirstDown
import androidx.compose.foundation.gestures.waitForUpOrCancellation
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.offset
import androidx.compose.foundation.layout.padding
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.DateRange
import androidx.compose.material3.Button
import androidx.compose.material3.DatePicker
import androidx.compose.material3.DatePickerDialog
import androidx.compose.material3.DateRangePicker
import androidx.compose.material3.DisplayMode
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.OutlinedTextField
import androidx.compose.material3.Text
import androidx.compose.material3.TextButton
import androidx.compose.material3.rememberDatePickerState
import androidx.compose.material3.rememberDateRangePickerState
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.shadow
import androidx.compose.ui.input.pointer.PointerEventPass
import androidx.compose.ui.input.pointer.pointerInput
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.window.Popup
import com.example.compose.snippets.ui.theme.SnippetsTheme
import java.text.SimpleDateFormat
import java.util.Date
import java.util.Locale
import androidx.compose.ui.platform.LocalLocale
@Preview
@Composable
private fun DatePickerPreview() {
SnippetsTheme {
DatePickerExamples()
}
}
// [START android_compose_components_datepicker_examples]
// [START_EXCLUDE]
@Composable
fun DatePickerExamples() {
var showModal by remember { mutableStateOf(false) }
var showModalInput by remember { mutableStateOf(false) }
var showRangeModal by remember { mutableStateOf(false) }
// [END_EXCLUDE]
var selectedDate by remember { mutableStateOf<Long?>(null) }
// [START_EXCLUDE]
var selectedDateRange by remember { mutableStateOf<Pair<Long?, Long?>>(null to null) }
Column(
modifier = Modifier
.fillMaxSize()
.padding(16.dp),
horizontalAlignment = Alignment.CenterHorizontally,
verticalArrangement = Arrangement.spacedBy(16.dp)
) {
Text("Docked date picker:")
DatePickerDocked()
Text("Open modal picker on click")
DatePickerFieldToModal()
Text("Modal date pickers:")
Button(onClick = { showModal = true }) {
Text("Show Modal Date Picker")
}
Button(onClick = { showModalInput = true }) {
Text("Show Modal Input Date Picker")
}
// [END_EXCLUDE]
if (selectedDate != null) {
val date = Date(selectedDate!!)
val formattedDate = SimpleDateFormat("MMM dd, yyyy", LocalLocale.current.platformLocale).format(date)
Text("Selected date: $formattedDate")
} else {
Text("No date selected")
}
// [START_EXCLUDE]
Text("Date range pickers:")
Button(onClick = { showRangeModal = true }) {
Text("Show Modal Date Range Picker")
}
if (selectedDateRange.first != null && selectedDateRange.second != null) {
val startDate = Date(selectedDateRange.first!!)
val endDate = Date(selectedDateRange.second!!)
val formattedStartDate = SimpleDateFormat("MMM dd, yyyy", LocalLocale.current.platformLocale).format(startDate)
val formattedEndDate = SimpleDateFormat("MMM dd, yyyy", LocalLocale.current.platformLocale).format(endDate)
Text("Selected date range: $formattedStartDate - $formattedEndDate")
} else {
Text("No date range selected")
}
}
if (showModal) {
// [END_EXCLUDE]
DatePickerModal(
onDateSelected = {
selectedDate = it
showModal = false
},
onDismiss = { showModal = false }
)
}
// [START_EXCLUDE]
if (showModalInput) {
DatePickerModalInput(
onDateSelected = {
selectedDate = it
showModalInput = false
},
onDismiss = { showModalInput = false }
)
}
if (showRangeModal) {
DateRangePickerModal(
onDateRangeSelected = {
selectedDateRange = it
showRangeModal = false
},
onDismiss = { showRangeModal = false }
)
}
}
// [END android_compose_components_datepicker_examples]
@OptIn(ExperimentalMaterial3Api::class)
// [START android_compose_components_datepicker_modal]
@Composable
fun DatePickerModal(
onDateSelected: (Long?) -> Unit,
onDismiss: () -> Unit
) {
val datePickerState = rememberDatePickerState()
DatePickerDialog(
onDismissRequest = onDismiss,
confirmButton = {
TextButton(onClick = {
onDateSelected(datePickerState.selectedDateMillis)
onDismiss()
}) {
Text("OK")
}
},
dismissButton = {
TextButton(onClick = onDismiss) {
Text("Cancel")
}
}
) {
DatePicker(state = datePickerState)
}
}
// [END android_compose_components_datepicker_modal]
@OptIn(ExperimentalMaterial3Api::class)
// [START android_compose_components_datepicker_inputmodal]
@Composable
fun DatePickerModalInput(
onDateSelected: (Long?) -> Unit,
onDismiss: () -> Unit
) {
val datePickerState = rememberDatePickerState(initialDisplayMode = DisplayMode.Input)
DatePickerDialog(
onDismissRequest = onDismiss,
confirmButton = {
TextButton(onClick = {
onDateSelected(datePickerState.selectedDateMillis)
onDismiss()
}) {
Text("OK")
}
},
dismissButton = {
TextButton(onClick = onDismiss) {
Text("Cancel")
}
}
) {
DatePicker(state = datePickerState)
}
}
// [END android_compose_components_datepicker_inputmodal]
@OptIn(ExperimentalMaterial3Api::class)
// [START android_compose_components_datepicker_docked]
@Composable
fun DatePickerDocked() {
var showDatePicker by remember { mutableStateOf(false) }
val datePickerState = rememberDatePickerState()
val selectedDate = datePickerState.selectedDateMillis?.let {
convertMillisToDate(it)
} ?: ""
Box(
modifier = Modifier.fillMaxWidth()
) {
OutlinedTextField(
value = selectedDate,
onValueChange = { },
label = { Text("DOB") },
readOnly = true,
trailingIcon = {
IconButton(onClick = { showDatePicker = !showDatePicker }) {
Icon(
imageVector = Icons.Default.DateRange,
contentDescription = "Select date"
)
}
},
modifier = Modifier
.fillMaxWidth()
.height(64.dp)
)
if (showDatePicker) {
Popup(
onDismissRequest = { showDatePicker = false },
alignment = Alignment.TopStart
) {
Box(
modifier = Modifier
.fillMaxWidth()
.offset(y = 64.dp)
.shadow(elevation = 4.dp)
.background(MaterialTheme.colorScheme.surface)
.padding(16.dp)
) {
DatePicker(
state = datePickerState,
showModeToggle = false
)
}
}
}
}
}
@Composable
fun DatePickerFieldToModal(modifier: Modifier = Modifier) {
var selectedDate by remember { mutableStateOf<Long?>(null) }
var showModal by remember { mutableStateOf(false) }
OutlinedTextField(
value = selectedDate?.let { convertMillisToDate(it) } ?: "",
onValueChange = { },
label = { Text("DOB") },
placeholder = { Text("MM/DD/YYYY") },
trailingIcon = {
Icon(Icons.Default.DateRange, contentDescription = "Select date")
},
modifier = modifier
.fillMaxWidth()
.pointerInput(selectedDate) {
awaitEachGesture {
// Modifier.clickable doesn't work for text fields, so we use Modifier.pointerInput
// in the Initial pass to observe events before the text field consumes them
// in the Main pass.
awaitFirstDown(pass = PointerEventPass.Initial)
val upEvent = waitForUpOrCancellation(pass = PointerEventPass.Initial)
if (upEvent != null) {
showModal = true
}
}
}
)
if (showModal) {
DatePickerModal(
onDateSelected = { selectedDate = it },
onDismiss = { showModal = false }
)
}
}
fun convertMillisToDate(millis: Long): String {
val formatter = SimpleDateFormat("MM/dd/yyyy", Locale.getDefault())
return formatter.format(Date(millis))
}
// [END android_compose_components_datepicker_docked]
@OptIn(ExperimentalMaterial3Api::class)
// [START android_compose_components_datepicker_range]
@Composable
fun DateRangePickerModal(
onDateRangeSelected: (Pair<Long?, Long?>) -> Unit,
onDismiss: () -> Unit
) {
val dateRangePickerState = rememberDateRangePickerState()
DatePickerDialog(
onDismissRequest = onDismiss,
confirmButton = {
TextButton(
onClick = {
onDateRangeSelected(
Pair(
dateRangePickerState.selectedStartDateMillis,
dateRangePickerState.selectedEndDateMillis
)
)
onDismiss()
}
) {
Text("OK")
}
},
dismissButton = {
TextButton(onClick = onDismiss) {
Text("Cancel")
}
}
) {
DateRangePicker(
state = dateRangePickerState,
title = {
Text(
text = "Select date range"
)
},
showModeToggle = false,
modifier = Modifier
.fillMaxWidth()
.height(500.dp)
.padding(16.dp)
)
}
}
// [END android_compose_components_datepicker_range]