improvements for flutter 3.3

example/ios/Flutter/AppFrameworkInfo.plist

@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>9.0</string>
+  <string>11.0</string>
 </dict>
 </plist>

example/ios/Runner.xcodeproj/project.pbxproj

@@ -272,7 +272,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -350,7 +350,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -399,7 +399,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

example/pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.2"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,21 +21,14 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
+    version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
@@ -56,7 +49,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -101,28 +94,28 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.11"
+    version: "0.12.12"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.4"
+    version: "0.1.5"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -134,7 +127,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.2"
+    version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
@@ -155,21 +148,21 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.9"
+    version: "0.4.12"
   vector_math:
     dependency: transitive
     description:

lib/src/date_time_picker.dart

@@ -113,7 +113,7 @@ import 'package:intl/date_symbol_data_local.dart';
 class DateTimePicker extends StatefulWidget {
   DateTimePicker({
     required this.child,
-    this.weekDateBoxSize = 12,
+    this.weekDateBoxSize = 35,
     this.monthDateBoxSize = 45,
     this.header,
     this.onTapDay,
@@ -139,8 +139,8 @@ class DateTimePicker extends StatefulWidget {
   final bool pickTime;
   final double? dateBoxSize;
   final DateBoxShape dateBoxShape;
-  final double? weekDateBoxSize;
-  final double? monthDateBoxSize;
+  final double weekDateBoxSize;
+  final double monthDateBoxSize;
   final DateTime? initialDate;
   final List<DateTime>? markedDates;
   final List<DateTime>? disabledDates;
@@ -153,6 +153,9 @@ class DateTimePicker extends StatefulWidget {
 class _DateTimePickerState extends State<DateTimePicker> {
   late DateTimePickerController _dateTimePickerController;
 
+  final DraggableScrollableController _dragController =
+      DraggableScrollableController();
+
   @override
   void initState() {
     super.initState();
@@ -182,6 +185,7 @@ class _DateTimePickerState extends State<DateTimePicker> {
   @override
   void dispose() {
     _dateTimePickerController.dispose();
+    _dragController.dispose();
     super.dispose();
   }
 
@@ -193,12 +197,14 @@ class _DateTimePickerState extends State<DateTimePicker> {
         RotatedBox(
           quarterTurns: 2,
           child: DraggableScrollableSheet(
-            controller: _dateTimePickerController.getDragController(),
+            controller: _dragController,
             snap: true,
-            minChildSize: 0.26,
-            initialChildSize: 0.26,
+            minChildSize: 0.2,
+            initialChildSize: 0.2,
             maxChildSize: 0.68,
             builder: (context, scrollController) {
+              double dragSize =
+                  _dragController.isAttached ? _dragController.size : 0;
               return RotatedBox(
                 quarterTurns: 2,
                 child: Stack(
@@ -223,20 +229,16 @@ class _DateTimePickerState extends State<DateTimePicker> {
                               ),
                             ],
                           ),
-                          child: _dateTimePickerController
-                                      .getDragController()
-                                      .size <
-                                  0.3
+                          child: dragSize < 0.3
                               ? WeekDateTimePickerSheet(
                                   dateTimePickerController:
                                       _dateTimePickerController,
-                                      weekDateBoxSize: widget.weekDateBoxSize ?? 12,
+                                  weekDateBoxSize: widget.weekDateBoxSize,
                                 )
                               : MonthDateTimePickerSheet(
                                   dateTimePickerController:
                                       _dateTimePickerController,
-                                  monthDateBoxSize:
-                                      widget.monthDateBoxSize ?? 45,
+                                  monthDateBoxSize: widget.monthDateBoxSize,
                                 ),
                         ),
                       ),

lib/src/utils/date_time_picker_controller.dart

@@ -17,8 +17,7 @@ class DateTimePickerController extends ChangeNotifier {
     required this.selectedDate,
   });
 
-  final DraggableScrollableController _dragController =
-      DraggableScrollableController();
+  
   final PageController _pageController = PageController(initialPage: 1);
 
   final bool highlightToday;
@@ -41,7 +40,6 @@ class DateTimePickerController extends ChangeNotifier {
   @override
   void dispose() {
     _pageController.dispose();
-    _dragController.dispose();
     super.dispose();
   }
 
@@ -71,10 +69,6 @@ class DateTimePickerController extends ChangeNotifier {
     }
   }
 
-  DraggableScrollableController getDragController() {
-    return _dragController;
-  }
-
   PageController getPageController() {
     return _pageController;
   }

lib/src/widgets/month_date_time_picker.dart/month_date_time_picker.dart

@@ -106,8 +106,8 @@ class MonthDateTimePicker extends StatelessWidget {
                     borderRadius:
                         _determineBorderRadius(dateTimePickerController),
                   ),
-                  height: 45,
-                  width: 45,
+                  height: monthDateBoxSize,
+                  width: monthDateBoxSize,
                   child: Stack(
                     children: [
                       Center(

lib/src/widgets/month_date_time_picker.dart/month_date_time_picker_sheet.dart

@@ -37,7 +37,7 @@ class MonthDateTimePickerSheet extends StatelessWidget {
         ),
         SizedBox(
           width: MediaQuery.of(context).size.width,
-          height: 300,
+          height: MediaQuery.of(context).size.height * 0.33,
           child: PageView(
             controller: dateTimePickerController.getPageController(),
             onPageChanged: (i) {
@@ -90,8 +90,7 @@ class MonthDateTimePickerSheet extends StatelessWidget {
                       : DateTime(dateTimePickerController.browsingDate.year,
                           dateTimePickerController.browsingDate.month + 1, 1),
                   dateTimePickerController: dateTimePickerController,
-                monthDateBoxSize: monthDateBoxSize
-              ),
+                  monthDateBoxSize: monthDateBoxSize),
             ],
           ),
         ),

lib/src/widgets/week_date_time_picker/week_date_time_picker.dart

@@ -91,7 +91,10 @@ class WeekDateTimePicker extends StatelessWidget {
                             );
                           });
                     } else {
-                      timeOfDay = TimeOfDay(hour: 0, minute: 0);
+                      timeOfDay = TimeOfDay(
+                        hour: 0,
+                        minute: 0,
+                      );
                     }
 
                     DateTime selectedDateTime = DateTime(
@@ -120,8 +123,8 @@ class WeekDateTimePicker extends StatelessWidget {
                   ),
                   const Spacer(),
                   Container(
-                    height: 35,
-                    width: 35,
+                    height: weekDateBoxSize,
+                    width: weekDateBoxSize,
                     decoration: BoxDecoration(
                       color: calendarColors['backgroundColor'],
                       borderRadius:
@@ -142,8 +145,8 @@ class WeekDateTimePicker extends StatelessWidget {
                           Align(
                             alignment: Alignment.bottomRight,
                             child: Container(
-                              width: weekDateBoxSize,
-                              height: weekDateBoxSize,
+                              width: weekDateBoxSize / 3,
+                              height: weekDateBoxSize / 3,
                               decoration: BoxDecoration(
                                 color: Theme.of(context).indicatorColor,
                                 borderRadius:
@@ -235,7 +238,7 @@ class WeekDateTimePicker extends StatelessWidget {
       case DateBoxShape.rectangle:
         return BorderRadius.zero;
       case DateBoxShape.roundedRectangle:
-        return BorderRadius.circular(weekDateBoxSize / 1.5);
+        return BorderRadius.circular(weekDateBoxSize / 4.5);
     }
   }
 }