flutter_cupertino_date_picker_fork

Description:

flutter cupertino date picker fork

Flutter Cupertino Date Picker #
[fork packages flutter_cupertino_date_picker]
Solve the error of flutter1.20.0 :not support DiagnosticableMixin;
Flutter cupertino date picker.
![Example][1]
Usage #
1. Depend
Add this to you package's pubspec.yaml file:
dependencies:
flutter_cupertino_date_picker_fork: ^1.0.7
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2. Install
Run command:
$ flutter packages get
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3. Import
Import in Dart code:
import 'package:flutter_cupertino_date_picker_fork/flutter_cupertino_date_picker_fork.dart';
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4. Display DatePicker
Bottom Sheet DatePicker
/// Display date picker in bottom sheet.
///
/// context: [BuildContext]
/// minDateTime: [DateTime] minimum date time
/// maxDateTime: [DateTime] maximum date time
/// initialDateTime: [DateTime] initial date time for selected
/// dateFormat: [String] date format pattern
/// locale: [DateTimePickerLocale] internationalization
/// pickerMode: [DateTimePickerMode] display mode: date(DatePicker)、time(TimePicker)、datetime(DateTimePicker)
/// pickerTheme: [DateTimePickerTheme] the theme of date time picker
/// onCancel: [DateVoidCallback] pressed title cancel widget event
/// onClose: [DateVoidCallback] date picker closed event
/// onChange: [DateValueCallback] selected date time changed event
/// onConfirm: [DateValueCallback] pressed title confirm widget event
DatePicker.showDatePicker(
BuildContext context,
DateTime minDateTime,
DateTime maxDateTime,
DateTime initialDateTime,
String dateFormat,
DateTimePickerLocale locale: DATETIME_PICKER_LOCALE_DEFAULT,
DateTimePickerMode pickerMode: DateTimePickerMode.date,
DateTimePickerTheme pickerTheme: DatePickerTheme.Default,
DateVoidCallback onCancel,
DateVoidCallback onClose,
DateValueCallback onChange,
DateValueCallback onConfirm,
});
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DatePicker Widget
/// Display date picker widget.
///
/// minDateTime: [DateTime] minimum date time
/// maxDateTime: [DateTime] maximum date time
/// initialDateTime: [DateTime] initial date time for selected
/// dateFormat: [String] date format pattern
/// locale: [DateTimePickerLocale] internationalization
/// pickerTheme: [DateTimePickerTheme] the theme of date time picker
/// onCancel: [DateVoidCallback] pressed title cancel widget event
/// onChange: [DateValueCallback] selected date time changed event
/// onConfirm: [DateValueCallback] pressed title confirm widget event
DatePickerWidget({
DateTime minDateTime,
DateTime maxDateTime,
DateTime initialDateTime,
String dateFormat: DATETIME_PICKER_DATE_FORMAT,
DateTimePickerLocale locale: DATETIME_PICKER_LOCALE_DEFAULT,
DateTimePickerTheme pickerTheme: DatePickerTheme.Default,
DateVoidCallback onCancel,
DateValueCallback onChange,
DateValueCallback onConfirm,
})
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TimePicker Widget
/// Display time picker widget.
///
/// minDateTime: [DateTime] minimum date time
/// maxDateTime: [DateTime] maximum date time
/// initialDateTime: [DateTime] initial date time for selected
/// dateFormat: [String] date format pattern
/// locale: [DateTimePickerLocale] internationalization
/// pickerTheme: [DateTimePickerTheme] the theme of date time picker
/// minuteDivider: [int] minute restriction, e.g. 5: every 5th minute will be shown (0, 5, 10, 15 ...)
/// onCancel: [DateVoidCallback] pressed title cancel widget event
/// onChange: [DateValueCallback] selected date time changed event
/// onConfirm: [DateValueCallback] pressed title confirm widget event
TimePickerWidget({
DateTime minDateTime,
DateTime maxDateTime,
DateTime initialDateTime,
String dateFormat: DATETIME_PICKER_DATE_FORMAT,
DateTimePickerLocale locale: DATETIME_PICKER_LOCALE_DEFAULT,
DateTimePickerTheme pickerTheme: DatePickerTheme.Default,
int minuteDivider: 1,
DateVoidCallback onCancel,
DateValueCallback onChange,
DateValueCallback onConfirm,
})
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DateTimePicker Widget
/// Display date time picker widget.
///
/// minDateTime: [DateTime] minimum date time
/// maxDateTime: [DateTime] maximum date time
/// initialDateTime: [DateTime] initial date time for selected
/// dateFormat: [String] date format pattern
/// locale: [DateTimePickerLocale] internationalization
/// pickerTheme: [DateTimePickerTheme] the theme of date time picker
/// onCancel: [DateVoidCallback] pressed title cancel widget event
/// onChange: [DateValueCallback] selected date time changed event
/// onConfirm: [DateValueCallback] pressed title confirm widget event
DateTimePickerWidget({
DateTime minDateTime,
DateTime maxDateTime,
DateTime initialDateTime,
String dateFormat: DATETIME_PICKER_DATE_FORMAT,
DateTimePickerLocale locale: DATETIME_PICKER_LOCALE_DEFAULT,
DateTimePickerTheme pickerTheme: DatePickerTheme.Default,
DateVoidCallback onCancel,
DateValueCallback onChange,
DateValueCallback onConfirm,
})
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5. DateTimePickerLocale
Support:

en_us: English (EN) United States [Default locale]
ar: Arabic (ar)
ar_eg: Arabic (ar) Egypt
bn: Bengali (BN)
bs: Bosnian (BS)
de: German (DE)
es: Spanish (ES)
fr: French (FR)
hr: Croatian (HR)
hu: Hungarian (HU)
in_id: Bahasa (IN) Indonesia
it: Italian (IT)
jp: Japanese (JP)
ko: Korea (KO)
nl: Dutch (NL)
pt_br: Portuguese (PT) Brazil
ro: Romanian (RO)
ru: Russian (RU)
sr_cyrl: Serbia (sr) Cyrillic
sr_latn: Serbia (sr) Latin
tr: Turkish (TR)
uk: Ukraine (UK)
vi: Vietnamese (VI) Vietnam
zh_cn: Chinese (ZH) Simplified

Add more language
1. Add language i18n file
Fork this project, add language file in lib/src/i18n/ directory, e.g. strings_en_us.dart.
/// English (EN) United States
class _StringsEnUs extends _StringsI18n {
const _StringsEnUs();

@override
String getCancelText() {
// TODO return cancel widget's text
return null;
}

@override
String getDoneText() {
// TODO return done widget's text
return null;
}

@override
List<String> getMonths() {
// TODO return the array of month's full name [January, February ... December]
return null;
}

@override
List<String>? getMonthsShort() {
// TODO return the array of month's short name [Jan, Feb ... Dec]. If return null, will substring the full name (max length is 3)
return null;
}

@override
List<String> getWeeksFull() {
// TODO return the array of week's full name [Monday, Tuesday ... Sunday]
return null;
}

@override
List<String>? getWeeksShort() {
// TODO return the array of week's short name [Mon, Tue ... Sun]
return null;
}
}
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2. Add Locale
Add language locale in lib/src/i18n/date_picker_i18n.dart file.
enum DateTimePickerLocale {
/// English (EN) United States
en_us,
}
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3. Add Locale-Language relationship
Add language-locale relationship in lib/src/i18n/date_picker_i18n.dart file.
const Map<DateTimePickerLocale, _StringsI18n> datePickerI18n = {
DateTimePickerLocale.en_us: const _StringsEnUs(),
};
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6. dateFormat



Pattern
Meaning
e.g.




yyyy
year
2019, 2020


yy
year, 2 digits
19, 20


MMMM
month
January(en_us), 01(zh_cn)


MMM
month, abbreviated
Jan(en_us), 01(zh_cn)


MM
month, 2 digits
01、11


M
month
1, 11


dd
day in month, 2 digits
05, 25


d
day in month
5, 25


EEEE
day of week
Monday(en_us), 星期一(zh_cn)


EEE
day of week, abbreviated
Mon(en_us), 周一(zh_cn)


HH
hour (0~23), 2 digits
04, 12, 20


H
hour (0~23)
4, 12, 20


mm
minute, 2 digits
05, 40


m
minute
5, 40


ss
second, 2 digits
06, 55


s
second
6, 55


yyyy年
format
2019年, 2020年


H时
format
5时, 21时



Date Format Separator
Support separator: |,-/\._: .
7. DateTimePickerTheme
/// DateTimePicker theme.
///
/// [backgroundColor] DatePicker's background color.
/// [cancelTextStyle] Default cancel widget's [TextStyle].
/// [confirmTextStyle] Default confirm widget's [TextStyle].
/// [cancel] Custom cancel widget.
/// [confirm] Custom confirm widget.
/// [title] Custom title widget. If specify a title widget, the cancel and confirm widgets will not display. Must set [titleHeight] value for custom title widget.
/// [showTitle] Whether display title widget or not. If set false, the default cancel and confirm widgets will not display, but the custom title widget will display if had specified one custom title widget.
/// [pickerHeight] The value of DatePicker's height.
/// [titleHeight] The value of DatePicker's title height.
/// [itemHeight] The value of DatePicker's column height.
/// [itemTextStyle] The value of DatePicker's column [TextStyle].
const DateTimePickerTheme({
this.backgroundColor: DATETIME_PICKER_BACKGROUND_COLOR,
this.cancelTextStyle,
this.confirmTextStyle,
this.cancel,
this.confirm,
this.title,
this.showTitle: DATETIME_PICKER_SHOW_TITLE_DEFAULT,
this.pickerHeight: DATETIME_PICKER_HEIGHT,
this.titleHeight: DATETIME_PICKER_TITLE_HEIGHT,
this.itemHeight: DATETIME_PICKER_ITEM_HEIGHT,
this.itemTextStyle: DATETIME_PICKER_ITEM_TEXT_STYLE,
});
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