DateRangePicker keyboardType (#122353)

DateRangePicker now has a keyboardType parameter, same as DatePicker.

packages/flutter/lib/src/material/date_picker.dart

@@ -340,9 +340,11 @@ class DatePickerDialog extends StatefulWidget {
   /// string. For example, 'Month, Day, Year' for en_US.
   final String? fieldLabelText;
 
+  /// {@template flutter.material.datePickerDialog}
   /// The keyboard type of the [TextField].
   ///
   /// If this is null, it will default to [TextInputType.datetime]
+  /// {@endtemplate}
   final TextInputType? keyboardType;
 
   /// Restoration ID to save and restore the state of the [DatePickerDialog].
@@ -991,6 +993,7 @@ Future<DateTimeRange?> showDateRangePicker({
   TextDirection? textDirection,
   TransitionBuilder? builder,
   Offset? anchorPoint,
+  TextInputType keyboardType = TextInputType.datetime,
 }) async {
   assert(
     initialDateRange == null || !initialDateRange.start.isAfter(initialDateRange.end),
@@ -1039,6 +1042,7 @@ Future<DateTimeRange?> showDateRangePicker({
     fieldEndHintText: fieldEndHintText,
     fieldStartLabelText: fieldStartLabelText,
     fieldEndLabelText: fieldEndLabelText,
+    keyboardType: keyboardType,
   );
 
   if (textDirection != null) {
@@ -1125,6 +1129,7 @@ class DateRangePickerDialog extends StatefulWidget {
     this.fieldEndHintText,
     this.fieldStartLabelText,
     this.fieldEndLabelText,
+    this.keyboardType = TextInputType.datetime,
     this.restorationId,
   });
 
@@ -1231,6 +1236,9 @@ class DateRangePickerDialog extends StatefulWidget {
   /// is used.
   final String? fieldEndLabelText;
 
+  /// {@macro flutter.material.datePickerDialog}
+  final TextInputType keyboardType;
+
   /// Restoration ID to save and restore the state of the [DateRangePickerDialog].
   ///
   /// If it is non-null, the date range picker will persist and restore the
@@ -1427,6 +1435,7 @@ class _DateRangePickerDialogState extends State<DateRangePickerDialog> with Rest
                   fieldEndHintText: widget.fieldEndHintText,
                   fieldStartLabelText: widget.fieldStartLabelText,
                   fieldEndLabelText: widget.fieldEndLabelText,
+                  keyboardType: widget.keyboardType,
                 ),
                 const Spacer(),
               ],
@@ -2773,6 +2782,7 @@ class _InputDateRangePicker extends StatefulWidget {
     this.fieldEndLabelText,
     this.autofocus = false,
     this.autovalidate = false,
+    this.keyboardType = TextInputType.datetime,
   }) : initialStartDate = initialStartDate == null ? null : DateUtils.dateOnly(initialStartDate),
        initialEndDate = initialEndDate == null ? null : DateUtils.dateOnly(initialEndDate),
        firstDate = DateUtils.dateOnly(firstDate),
@@ -2832,6 +2842,9 @@ class _InputDateRangePicker extends StatefulWidget {
   /// [_InputDateRangePickerState.validate] to validate.
   final bool autovalidate;
 
+  /// {@macro flutter.material.datePickerDialog}
+  final TextInputType keyboardType;
+
   @override
   _InputDateRangePickerState createState() => _InputDateRangePickerState();
 }
@@ -2972,7 +2985,7 @@ class _InputDateRangePickerState extends State<_InputDateRangePicker> {
               labelText: widget.fieldStartLabelText ?? localizations.dateRangeStartLabel,
               errorText: _startErrorText,
             ),
-            keyboardType: TextInputType.datetime,
+            keyboardType: widget.keyboardType,
             onChanged: _handleStartChanged,
             autofocus: widget.autofocus,
           ),
@@ -2988,7 +3001,7 @@ class _InputDateRangePickerState extends State<_InputDateRangePicker> {
               labelText: widget.fieldEndLabelText ?? localizations.dateRangeEndLabel,
               errorText: _endErrorText,
             ),
-            keyboardType: TextInputType.datetime,
+            keyboardType: widget.keyboardType,
             onChanged: _handleEndChanged,
           ),
         ),

packages/flutter/test/material/date_range_picker_test.dart

@@ -1103,6 +1103,60 @@ void main() {
       semantics.dispose();
     });
   });
+
+  for (final TextInputType? keyboardType in <TextInputType?>[null, TextInputType.emailAddress]) {
+    testWidgets('DateRangePicker takes keyboardType $keyboardType', (WidgetTester  tester) async {
+      late BuildContext buttonContext;
+      const InputBorder border = InputBorder.none;
+      await tester.pumpWidget(MaterialApp(
+        theme: ThemeData.light().copyWith(
+          inputDecorationTheme: const InputDecorationTheme(
+            border: border,
+          ),
+        ),
+        home: Material(
+          child: Builder(
+            builder: (BuildContext context) {
+              return ElevatedButton(
+                onPressed: () {
+                  buttonContext = context;
+                },
+                child: const Text('Go'),
+              );
+            },
+          ),
+        ),
+      ));
+
+      await tester.tap(find.text('Go'));
+      expect(buttonContext, isNotNull);
+
+      if (keyboardType == null) {
+        // If no keyboardType, expect the default.
+        showDateRangePicker(
+          context: buttonContext,
+          initialDateRange: initialDateRange,
+          firstDate: firstDate,
+          lastDate: lastDate,
+          initialEntryMode: DatePickerEntryMode.input,
+        );
+      } else {
+        // If there is a keyboardType, expect it to be passed through.
+        showDateRangePicker(
+          context: buttonContext,
+          initialDateRange: initialDateRange,
+          firstDate: firstDate,
+          lastDate: lastDate,
+          initialEntryMode: DatePickerEntryMode.input,
+          keyboardType: keyboardType,
+        );
+      }
+      await tester.pumpAndSettle();
+
+      final DateRangePickerDialog picker = tester.widget(find.byType(DateRangePickerDialog));
+      expect(picker.keyboardType, keyboardType ?? TextInputType.datetime);
+    });
+  }
 }
 
 class _RestorableDateRangePickerDialogTestWidget extends StatefulWidget {