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Description:

bottom picker

Bottom Picker #

Easy way to display bottom picker item or date/time picker

Features #

Simple list picker wheel
Date range picker (RTL and LTR)
Date picker
Time picker
Date and Time picker
24h / 12h time format
Built-in themes
Customize confirm button
Customize first selected item
Enhanced tablet view
Customize background color
Customize date format order
Customize picker text style (color, font size, font weight...)
Customize close button style and display
Customize layout orientation (LTR / RTL )
Customizable bottom picker height
Customizable minuteInterval attribute

Getting Started #
To add bottom picker to your project add this line to your pubspec.yaml file
dependencies:
bottom_picker: ^2.8.0
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Parameters #
///Bottom picker title widget
final Widget? pickerTitle;

///Bottom picker description widget
final Widget? pickerDescription;

///The padding applied on the title
///by default it is set with zero values
final EdgeInsetsGeometry titlePadding;

///Title widget alignment inside the stack
///by default the title will be aligned left/right depends on `layoutOrientation`
final Alignment? titleAlignment;

///defines whether the bottom picker is dismissable or not
///by default it's set to false
///
final bool dismissable;

///list of items (List of text) used to create simple item picker (required)
///and should not be empty or null
///
///for date/dateTime/time items parameter is not available
///
late List<Widget>? items;

///Nullable function, invoked when navigating between picker items
///whether it's date picker or simple item picker it will return a value DateTime or int(index)
///
late Function(dynamic)? onChange;

///Nullable function invoked when clicking on submit button
///if the picker type is date/time/dateTime it will return DateTime value
///else it will return the index of the selected item
///
late Function(dynamic)? onSubmit;

///Invoked when clicking on the close button
///
final Function? onClose;

///set the theme of the bottom picker (the button theme)
///possible values
///```
///{
///blue,
///orange,
///temptingAzure,
///heavyRain,
///plumPlate,
///morningSalad
///}
///```
final BottomPickerTheme bottomPickerTheme;

///used for simple bottom picker
///by default it's 0, needs to be in the range [0, this.items.length-1]
///otherwise an exception will be thrown
///for date and time picker type this parameter is not available
///
late int selectedItemIndex;

///The initial date time applied on the date and time picker
///by default it's null
///
DateTime? initialDateTime;

///The initial time set in the time picker widget
///required only when using the `time` constructor
Time? initialTime;

///The max time can be set in the time picker widget
Time? maxTime;

///The min time can be set in the time picker widget
Time? minTime;

///The gap between two minutes
///by default it's 1 minute
int? minuteInterval;

///the max date time on the date picker
///by default it's null
DateTime? maxDateTime;

///the minimum date & time applied on the date picker
///by default it's null
///
DateTime? minDateTime;

///define whether the time uses 24h or 12h format
///by default it's false (12h format)
///
late bool use24hFormat;

///the padding that will be applied to the button
///if the padding is null the button will be rendered null
final double? buttonPadding;

///the width that will be applied to the button
///if the buttonWidth is null the button will be rendered with null
final double? buttonWidth;

///the bottom picker background color,
///by default it's white
///
final Color backgroundColor;

///date order applied on date picker or date time picker
///by default it's YYYY/MM/DD
late DatePickerDateOrder? dateOrder;

///the picker text style applied on all types of bottom picker
///by default `TextStyle(fontSize: 14)`
final TextStyle pickerTextStyle;

///define the picker item extent available only for list items picker
///by default it's 35
late double itemExtent;

///indicate whether the close icon will be rendred or not
/// by default `displayCloseIcon = true`
final bool displayCloseIcon;

///the close icon color
///by default `closeIconColor = Colors.black`
final Color closeIconColor;

///the close icon size
///by default `closeIconSize = 20`
final double closeIconSize;

///the layout orientation of the bottom picker
///by default the orientation is set to LTR
///```
///LAYOUT_ORIENTATION.ltr,
///LAYOUT_ORIENTATION.rtl
///```
final LayoutOrientation layoutOrientation;

///THe alignment of the bottom picker button
///by default it's `MainAxisAlignment.center`
final MainAxisAlignment buttonAlignment;

///bottom picker main widget height
///if it's null the bottom picker will get the height from
///[bottomPickerHeight] extension on context
final double? height;

///invoked when pressing on the submit button when using range picker
///it return two dates (first date, end date)
///required when using [BottomPicker.range]
late Function(DateTime, DateTime)? onRangeDateSubmitPressed;

///the minimum first date in the date range picker
///not required if null no minimum will be set in the date picker
DateTime? minFirstDate;

///the minimum second date in the date range picker
///not required if null no minimum will be set in the date picker
DateTime? minSecondDate;

///the maximum first date in the date range picker
///not required if null no minimum will be set in the date picker
DateTime? maxFirstDate;

///the maximum second date in the date range picker
///not required if null no minimum will be set in the date picker
DateTime? maxSecondDate;

///the initial first date in the date range picker
///not required if null no minimum will be set in the date picker
DateTime? initialFirstDate;

///the initial last date in the date range picker
///not required if null no minimum will be set in the date picker
DateTime? initialSecondDate;

/// A widget overlaid on the picker to highlight the currently selected entry.
/// The [selectionOverlay] widget drawn above the [CupertinoPicker]'s picker
/// wheel.
Widget? selectionOverlay;

///The button's widget that will be displayed
///if null the button will have a simple 'Select' text in the center
final Widget? buttonContent;

///indicates if the submit button will be displayed or not
///by default the submit button is shown
late bool displaySubmitButton;

///a single color will be applied to the button instead of the gradient
///themes
///
final Color? buttonSingleColor;

///to set a custom button theme color use this list
///when it's not null it will be applied
///
final List<Color>? gradientColors;

///the style that will be applied on the button's widget
final BoxDecoration? buttonStyle;
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Migrate from 2.3.3 to 2.4.0: iconColor , buttonText , buttonTextStyle, displayButtonIcon, buttonTextAlignment has been replaced with buttonContent, buttonStyle attributes to see the new attributes usage check the latest example in this documentation

## Examples
Simple item picker
BottomPicker(
items: items,
title: Text("Choose your country", style: TextStyle(fontWeight: FontWeight.bold, fontSize: 15)),
).show(context);
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Date picker
BottomPicker.date(
pickerTitle: Text(
'Set your Birthday',
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 15,
color: Colors.blue,
),
),
dateOrder: DatePickerDateOrder.dmy,
initialDateTime: DateTime(1996, 10, 22),
maxDateTime: DateTime(1998),
minDateTime: DateTime(1980),
pickerTextStyle: TextStyle(
color: Colors.blue,
fontWeight: FontWeight.bold,
fontSize: 12,
),
onChange: (index) {
print(index);
},
onSubmit: (index) {
print(index);
},
bottomPickerTheme: BottomPickerTheme.plumPlate,
).show(context);

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Time picker

BottomPicker.time(
pickerTitle: Text(
'Set your next meeting time',
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 15,
color: Colors.orange,
),
),
onSubmit: (index) {
print(index);
},
onClose: () {
print('Picker closed');
},
bottomPickerTheme: BottomPickerTheme.orange,
use24hFormat: true,
initialTime: Time(
minutes: 23,
),
maxTime: Time(
hours: 17,
),
).show(context);

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Date & Time picker
BottomPicker.dateTime(
pickerTitle: Text(
'Set the event exact time and date',
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 15,
color: Colors.black,
),
),
onSubmit: (date) {
print(date);
},
onClose: () {
print('Picker closed');
},
minDateTime: DateTime(2021, 5, 1),
maxDateTime: DateTime(2021, 8, 2),
initialDateTime: DateTime(2021, 5, 1),
gradientColors: [
Color(0xfffdcbf1),
Color(0xffe6dee9),
],
).show(context);
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With custom picker text style
BottomPicker(
items: [
Center(
child: Text('Leonardo DiCaprio'),
),
Center(
child: Text('Johnny Depp'),
),
Center(
child: Text('Robert De Niro'),
),
Center(
child: Text('Tom Hardy'),
),
Center(
child: Text('Ben Affleck'),
),
],
pickerTitle: Text('Choose an actor'),
titleAlignment: Alignment.center,
pickerTextStyle: TextStyle(
color: Colors.black,
fontWeight: FontWeight.bold,
),
closeIconColor: Colors.red,
).show(context);

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Range date picker
BottomPicker.range(
pickerTitle: Text(
'Set date range',
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 15,
color: Colors.black,
),
),
pickerDescription: Text(
'Please select a first date and an end date',
style: TextStyle(
color: Colors.black,
),
),
dateOrder: DatePickerDateOrder.dmy,
minFirstDate: DateTime.now(),
initialFirstDate: DateTime.now().add(Duration(days: 1)),
pickerTextStyle: TextStyle(
color: Colors.blue,
fontWeight: FontWeight.bold,
fontSize: 12,
),
onRangeDateSubmitPressed: (firstDate, secondDate) {
print(firstDate);
print(secondDate);
},
bottomPickerTheme: BottomPickerTheme.plumPlate,
).show(context);

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Contribution #
You can contribute to it https://github.com/koukibadr/Bottom-Picker

If you finda bug, open an issue.
If you have a feature request, open an issue.
If you want to contribute, submit your pull request.

Contributors #