add diameterRatio and squeeze parameters

example/lib/main.dart

@@ -12,10 +12,10 @@ class MyApp extends StatelessWidget {
       theme: ThemeData(primarySwatch: Colors.blue),
 //      home: DateTesting(),
       home: Scaffold(
-          appBar: AppBar(
-            title: Text('Holo Datepicker Example'),
-          ),
-          body: MyHomePage(),
+        appBar: AppBar(
+          title: Text('Holo Datepicker Example'),
+        ),
+        body: MyHomePage(),
       ),
       debugShowCheckedModeBanner: false,
     );
@@ -40,6 +40,8 @@ class MyHomePage extends StatelessWidget {
                 dateFormat: "dd-MMMM-yyyy",
                 locale: DateTimePickerLocale.en_us,
                 looping: true,
+                diameterRatio: 1.5,
+                squeeze: 0.95,
               );
 
               final snackBar =
@@ -78,27 +80,25 @@ class _WidgetPageState extends State<WidgetPage> {
             child: DatePickerWidget(
               looping: false, // default is not looping
               firstDate: DateTime.now(), //DateTime(1960),
-            //  lastDate: DateTime(2002, 1, 1),
+              //  lastDate: DateTime(2002, 1, 1),
 //              initialDate: DateTime.now(),// DateTime(1994),
-              dateFormat:
-              "MM-dd(E)",
-           //   "dd-MMMM-yyyy",
-         //     locale: DatePicker.localeFromString('he'),
+              dateFormat: "MM-dd(E)",
+              //   "dd-MMMM-yyyy",
+              //     locale: DatePicker.localeFromString('he'),
               onChange: (DateTime newDate, _) {
                 _selectedDate = newDate;
                 print(_selectedDate);
               },
+              diameterRatio: 1.5,
+              squeeze: 0.95,
               pickerTheme: DateTimePickerTheme(
                 itemTextStyle: TextStyle(color: Colors.black, fontSize: 19),
                 dividerColor: Colors.blue,
               ),
-
             ),
           ),
         ),
       ),
     );
   }
 }
-
-

example/pubspec.lock

@@ -75,7 +75,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.3.2"
+    version: "1.0.0-nullsafety.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter

lib/date_picker.dart

@@ -105,16 +105,20 @@ class DatePicker {
     String? cancelText,
     bool looping: false,
     bool reverse: false,
+    double squeeze = 0.95,
+    double diameterRatio = 1.5,
   }) {
     DateTime? _selectedDate = initialDate;
     final List<Widget> listButtonActions = [
-      TextButton(style: TextButton.styleFrom(primary:textColor),
+      TextButton(
+        style: TextButton.styleFrom(primary: textColor),
         child: Text(confirmText ?? "OK"),
         onPressed: () {
           Navigator.pop(context, _selectedDate);
         },
       ),
-      TextButton(style: TextButton.styleFrom(primary:textColor),
+      TextButton(
+        style: TextButton.styleFrom(primary: textColor),
         child: Text(cancelText ?? "Cancel"),
         onPressed: () {
           Navigator.pop(context);
@@ -153,6 +157,8 @@ class DatePicker {
       content: Container(
         width: 300,
         child: DatePickerWidget(
+          squeeze: squeeze,
+          diameterRatio: diameterRatio,
           firstDate: firstDate,
           lastDate: lastDate,
           initialDate: initialDate,

lib/widget/date_picker_widget.dart

@@ -26,6 +26,8 @@ class DatePickerWidget extends StatefulWidget {
     this.onChange,
     this.onConfirm,
     this.looping: false,
+    this.squeeze: 0.95,
+    this.diameterRatio: 1.5,
   }) : super(key: key) {
     DateTime minTime = firstDate ?? DateTime.parse(DATE_PICKER_MIN_DATETIME);
     DateTime maxTime = lastDate ?? DateTime.parse(DATE_PICKER_MAX_DATETIME);
@@ -40,17 +42,21 @@ class DatePickerWidget extends StatefulWidget {
   final DateVoidCallback? onCancel;
   final DateValueCallback? onChange, onConfirm;
   final bool looping;
+  final double squeeze;
+  final double diameterRatio;
 
   @override
   State<StatefulWidget> createState() =>
       _DatePickerWidgetState(this.firstDate, this.lastDate, this.initialDate);
 }
 
 class _DatePickerWidgetState extends State<DatePickerWidget> {
- late DateTime _minDateTime, _maxDateTime;
+  late DateTime _minDateTime, _maxDateTime;
   int? _currYear, _currMonth, _currDay;
   List<int>? _yearRange, _monthRange, _dayRange;
-  FixedExtentScrollController? _yearScrollCtrl, _monthScrollCtrl, _dayScrollCtrl;
+  FixedExtentScrollController? _yearScrollCtrl,
+      _monthScrollCtrl,
+      _dayScrollCtrl;
 
   late Map<String, FixedExtentScrollController?> _scrollCtrlMap;
   late Map<String, List<int>?> _valueRangeMap;
@@ -75,15 +81,16 @@ class _DatePickerWidgetState extends State<DatePickerWidget> {
 
     // limit the range of month
     this._monthRange = _calcMonthRange();
-    this._currMonth = min(max(_monthRange!.first, _currMonth!), _monthRange!.last);
+    this._currMonth =
+        min(max(_monthRange!.first, _currMonth!), _monthRange!.last);
 
     // limit the range of day
     this._dayRange = _calcDayRange();
     this._currDay = min(max(_dayRange!.first, _currDay!), _dayRange!.last);
 
     // create scroll controller
-    _yearScrollCtrl =
-        FixedExtentScrollController(initialItem: _currYear! - _yearRange!.first);
+    _yearScrollCtrl = FixedExtentScrollController(
+        initialItem: _currYear! - _yearRange!.first);
     _monthScrollCtrl = FixedExtentScrollController(
         initialItem: _currMonth! - _monthRange!.first);
     _dayScrollCtrl =
@@ -193,9 +200,10 @@ class _DatePickerWidgetState extends State<DatePickerWidget> {
                   BoxDecoration(color: widget.pickerTheme!.backgroundColor),
               child: CupertinoPicker(
                 backgroundColor: widget.pickerTheme!.backgroundColor,
+                selectionOverlay: Container(),
                 scrollController: scrollCtrl,
-                squeeze: 0.95,
-                diameterRatio: 1.5,
+                squeeze: widget.squeeze,
+                diameterRatio: widget.diameterRatio,
                 itemExtent: widget.pickerTheme!.itemHeight,
                 onSelectedItemChanged: valueChanged,
                 looping: widget.looping,