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Sasikumar3595Sasikumar3595
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FLUT-4313-Sample updated with null safety.
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4 files changed

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‎README.md‎

Lines changed: 9 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -6,14 +6,14 @@ In the flutter date range picker, you can restrict the swiping behavior using th
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In initState(), set the default values for min and max dates.
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```xml
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DateTime _minDate, _maxDate;
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late DateTime _minDate, _maxDate;
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@override
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void initState() {
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_minDate=DateTime(2020,3, 5,9,0,0);
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_maxDate=DateTime(2020,3,25,9,0,0);
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_minDate = DateTime(2020, 3, 5, 9, 0, 0);
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_maxDate = DateTime(2020, 3, 25, 9, 0, 0);
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super.initState();
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}
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}
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```
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## Step 2:
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Place the date picker inside the body of the Scaffold widget with the mentioned min and max date.
@@ -56,12 +56,12 @@ class ViewRestriction extends StatefulWidget {
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}
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class _ViewRestrictionState extends State<ViewRestriction> {
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DateTime _minDate, _maxDate;
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late DateTime _minDate, _maxDate;
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@override
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void initState() {
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_minDate=DateTime(2020,3, 5,9,0,0);
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_maxDate=DateTime(2020,3,25,9,0,0);
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_minDate = DateTime(2020, 3, 5, 9, 0, 0);
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_maxDate = DateTime(2020, 3, 25, 9, 0, 0);
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super.initState();
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}
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‎lib/main.dart‎

Lines changed: 11 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@ class SwipeRestriction extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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debugShowCheckedModeBanner: false ,
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debugShowCheckedModeBanner: false,
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home: ViewRestriction(),
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);
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}
@@ -20,29 +20,25 @@ class ViewRestriction extends StatefulWidget {
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}
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class _ViewRestrictionState extends State<ViewRestriction> {
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DateRangePickerController _controller;
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DateTime _minDate, _maxDate;
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late DateTime _minDate, _maxDate;
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@override
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void initState() {
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// TODO: implement initState
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_controller = DateRangePickerController();
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_minDate=DateTime(2020,3, 5,9,0,0);
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_maxDate=DateTime(2020,3,25,9,0,0);
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_minDate = DateTime(2020, 3, 5, 9, 0, 0);
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_maxDate = DateTime(2020, 3, 25, 9, 0, 0);
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Card(
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margin: const EdgeInsets.fromLTRB(40, 150, 40, 150),
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child: SfDateRangePicker(
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view: DateRangePickerView.month,
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minDate: _minDate,
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maxDate: _maxDate,
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),
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)
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);
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margin: const EdgeInsets.fromLTRB(40, 150, 40, 150),
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child: SfDateRangePicker(
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view: DateRangePickerView.month,
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minDate: _minDate,
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maxDate: _maxDate,
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),
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));
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}
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}

‎pubspec.lock‎

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Original file line numberDiff line numberDiff line change
@@ -1,69 +1,62 @@
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# Generated by pub
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# See https://dart.dev/tools/pub/glossary#lockfile
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packages:
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archive:
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dependency: transitive
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description:
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name: archive
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.0.11"
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args:
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dependency: transitive
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description:
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name: args
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.5.2"
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async:
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dependency: transitive
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description:
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name: async
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.4.0"
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version: "2.5.0"
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boolean_selector:
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dependency: transitive
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description:
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name: boolean_selector
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.0.5"
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charcode:
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version: "2.1.0"
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characters:
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dependency: transitive
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description:
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name: charcode
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name: characters
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.1.2"
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collection:
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version: "1.1.0"
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charcode:
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dependency: transitive
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description:
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name: collection
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name: charcode
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.14.11"
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convert:
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version: "1.2.0"
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clock:
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dependency: transitive
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description:
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name: convert
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name: clock
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.1.1"
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crypto:
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version: "1.1.0"
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collection:
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dependency: transitive
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description:
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name: crypto
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name: collection
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.1.3"
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version: "1.15.0"
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cupertino_icons:
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dependency: "direct main"
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description:
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name: cupertino_icons
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url: "https://pub.dartlang.org"
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source: hosted
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version: "0.1.3"
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version: "1.0.2"
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fake_async:
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description:
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name: fake_async
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.2.0"
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flutter:
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dependency: "direct main"
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description: flutter
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description: flutter
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source: sdk
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version: "0.0.0"
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flutter_web_plugins:
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dependency: transitive
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description: flutter
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source: sdk
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version: "0.0.0"
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image:
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dependency: transitive
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description:
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name: image
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.1.4"
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intl:
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dependency: transitive
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description:
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name: intl
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url: "https://pub.dartlang.org"
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source: hosted
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version: "0.16.1"
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version: "0.17.0"
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matcher:
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dependency: transitive
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description:
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name: matcher
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url: "https://pub.dartlang.org"
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source: hosted
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version: "0.12.6"
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version: "0.12.10"
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meta:
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dependency: transitive
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description:
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name: meta
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.1.8"
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version: "1.3.0"
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path:
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dependency: transitive
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description:
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name: path
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.6.4"
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pedantic:
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dependency: transitive
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description:
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name: pedantic
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.8.0+1"
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petitparser:
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dependency: transitive
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description:
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name: petitparser
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.4.0"
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plugin_platform_interface:
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description:
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name: plugin_platform_interface
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.0.2"
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quiver:
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description:
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name: quiver
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.0.5"
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version: "1.8.0"
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sky_engine:
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description: flutter
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name: source_span
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.5.5"
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version: "1.8.1"
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stack_trace:
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dependency: transitive
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description:
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name: stack_trace
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.9.3"
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version: "1.10.0"
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stream_channel:
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dependency: transitive
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description:
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name: stream_channel
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.0.0"
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version: "2.1.0"
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string_scanner:
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dependency: transitive
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description:
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name: string_scanner
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.0.5"
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version: "1.1.0"
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syncfusion_flutter_core:
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dependency: transitive
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description:
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name: syncfusion_flutter_core
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url: "https://pub.dartlang.org"
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source: hosted
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version: "18.1.36"
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version: "19.1.54+1"
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syncfusion_flutter_datepicker:
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dependency: "direct main"
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description:
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name: syncfusion_flutter_datepicker
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url: "https://pub.dartlang.org"
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source: hosted
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version: "18.1.36-beta"
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version: "19.1.54-beta.1"
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term_glyph:
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dependency: transitive
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description:
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name: term_glyph
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.1.0"
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version: "1.2.0"
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test_api:
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dependency: transitive
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description:
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name: test_api
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url: "https://pub.dartlang.org"
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source: hosted
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version: "0.2.11"
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version: "0.2.19"
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typed_data:
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dependency: transitive
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description:
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name: typed_data
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source: hosted
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version: "1.1.6"
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url_launcher:
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dependency: transitive
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description:
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name: url_launcher
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url: "https://pub.dartlang.org"
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source: hosted
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version: "5.4.2"
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url_launcher_macos:
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dependency: transitive
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description:
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name: url_launcher_macos
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url: "https://pub.dartlang.org"
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source: hosted
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version: "0.0.1+4"
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url_launcher_platform_interface:
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dependency: transitive
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description:
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name: url_launcher_platform_interface
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.0.6"
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url_launcher_web:
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dependency: transitive
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description:
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name: url_launcher_web
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url: "https://pub.dartlang.org"
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source: hosted
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version: "0.1.1+1"
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utf:
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dependency: transitive
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description:
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name: utf
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url: "https://pub.dartlang.org"
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source: hosted
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version: "0.9.0+5"
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version: "1.3.0"
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vector_math:
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source: hosted
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version: "2.0.8"
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xml:
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description:
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name: xml
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url: "https://pub.dartlang.org"
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source: hosted
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version: "3.5.0"
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version: "2.1.0"
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sdks:
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dart: ">=2.5.0 <3.0.0"
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flutter: ">=1.12.8 <2.0.0"
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dart: ">=2.12.0 <3.0.0"

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