flutter pub add sliver_calendar根據套件公開資料產生的選型評估，僅供參考。
一個基於滑動條的日曆檢視 Flutter 套件，用於在可滾動且高效能的佈局中顯示日期。專為在自訂滾動檢視中使用而設計，支援平滑滾動與動態日期呈現。此套件非常適合需要簡潔、互動式日曆介面且無需大量樣板程式碼之應用程式。透過提供的新增指令，可輕鬆整合至現有的 Flutter 專案中。
以下為關聯原始碼儲存庫的 README 原文快照，最新內容請造訪原始碼儲存庫。
Shows a scrolling calendar list of events. This is still relatively basic, it always assumes that the getEvents returns the entire list of calendar events (mostly ignoring the values passed into the source). It does work however :) Optionally, you can use an image as a background for the calendar header and another image for the month header.
The calendar uses slivers to display the widgets in the view and lets you scroll forward and backward through the events. The header widget will drop down and open up the days of the month, letting you select specific days as well as move back and forth between the months. By default it displays a list of events and not a day view, the day view code is all just a stub right now.
Here is how to use the calendar widget itself:
new CalendarWidget(
initialDate: new TZDateTime.now(local),
buildItem: buildItem,
getEvents: getEvents,
);
How to setup a source for the calendar widget.
...
List<Game> _listToShow;
StreamSubscription<UpdateReason> _listening;
@override
Widget buildItem(BuildContext context, CalendarEvent event) {
return new GameCard(_listToShow[event.index]);
}
@override
List<CalendarEvent> getEvents(DateTime start, DateTime end) {
if (_listToShow == null) {
_listToShow = UserDatabaseData.instance.games.values.toList();
}
if (_listToShow == null) {
return [];
}
List<CalendarEvent> events = new List<CalendarEvent>();
int pos = 0;
_listToShow.forEach((Game g) => events.add(new CalendarEvent(
instant: g.tzTime, instantEnd: g.tzEndTime, index: pos++)));
return events;
}
...
Example of the calendar widget in action:
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