add calender to allow chose date from and to

lib/screens/patients/patient_search_screen.dart

@@ -1,9 +1,10 @@
+import 'package:intl/intl.dart';
+
 import '../../models/patient_model.dart';
 import 'package:doctor_app_flutter/routes.dart';
 import 'package:flutter/material.dart';
 import 'package:hexcolor/hexcolor.dart';
 
-
 class PatientSearch extends StatefulWidget {
   @override
   _PatientSearchState createState() => _PatientSearchState();
@@ -25,6 +26,8 @@ class _PatientSearchState extends State<PatientSearch> {
   ];
   String _selectedType = '1';
   String _selectedLocation = '1';
+  TextEditingController _toDateController = new TextEditingController();
+  TextEditingController _fromDateController = new TextEditingController();
 
   final _patientSearchForm = GlobalKey<FormState>();
   var _patientSearchFormValues = PatientModel(
@@ -51,7 +54,11 @@ class _PatientSearchState extends State<PatientSearch> {
 
   void _saveForm() {
     _patientSearchForm.currentState.save();
+
     // Navigator.pushNamed(context,routeName)
+    print(_patientSearchFormValues.From);
+    print(_patientSearchFormValues.To);
+
     Navigator.of(context).pushNamed(PATIENTS);
   }
 
@@ -326,6 +333,7 @@ class _PatientSearchState extends State<PatientSearch> {
                       height: 10,
                     ),
                     TextFormField(
+                      keyboardType: TextInputType.number,
                       decoration: InputDecoration(
                           hintText: 'Patiant File',
                           hintStyle: TextStyle(
@@ -365,8 +373,10 @@ class _PatientSearchState extends State<PatientSearch> {
                       height: 10,
                     ),
                     TextFormField(
+                      keyboardType: TextInputType.number,
+                      controller: _fromDateController,
                       decoration: InputDecoration(
-                          hintText: 'From',
+                          hintText: '3/11/2020',
                           hintStyle: TextStyle(
                               fontSize: isSmallScreen
                                   ? 14
@@ -389,6 +399,9 @@ class _PatientSearchState extends State<PatientSearch> {
                         }
                         return null;
                       },
+                      onTap: () {
+                        _presentDatePicker('_selectedFromDate');
+                      },
                       onSaved: (value) {
                         _patientSearchFormValues.From = value;
                       },
@@ -404,8 +417,10 @@ class _PatientSearchState extends State<PatientSearch> {
                       height: 10,
                     ),
                     TextFormField(
+                      keyboardType: TextInputType.number,
+                      controller: _toDateController,
                       decoration: InputDecoration(
-                          hintText: 'To',
+                          hintText: '3/11/2020',
                           hintStyle: TextStyle(
                               fontSize: isSmallScreen
                                   ? 14
@@ -422,6 +437,9 @@ class _PatientSearchState extends State<PatientSearch> {
                           )
                           //BorderRadius.all(Radius.circular(20));
                           ),
+                      onTap: () {
+                        _presentDatePicker('_selectedToDate');
+                      },
                       validator: (value) {
                         if (value.isEmpty) {
                           return 'Please enter some text';
@@ -474,7 +492,7 @@ class _PatientSearchState extends State<PatientSearch> {
                       ),
                       width: double.infinity,
                       child: DropdownButton(
-                        value: _selectedType,
+                        value: _selectedLocation,
                         iconSize: 24,
                         elevation: 16,
                         selectedItemBuilder: (BuildContext context) {
@@ -484,7 +502,7 @@ class _PatientSearchState extends State<PatientSearch> {
                         },
                         onChanged: (String newValue) => {
                           setState(() {
-                            _selectedType = newValue;
+                            _selectedLocation = newValue;
                           })
                         },
                         items: _locations.map((item) {
@@ -539,4 +557,27 @@ class _PatientSearchState extends State<PatientSearch> {
           }),
         ));
   }
+
+  void _presentDatePicker(id) {
+    showDatePicker(
+      context: context,
+      initialDate: DateTime.now(),
+      firstDate: DateTime(2019),
+      lastDate: DateTime.now(),
+    ).then((pickedDate) {
+      if (pickedDate == null) {
+        return;
+      }
+      setState(() {
+        print(id);
+        var selectedDate = DateFormat.yMd().format(pickedDate);
+
+        if (id == '_selectedFromDate') {
+          _fromDateController.text = selectedDate;
+        } else {
+          _toDateController.text = selectedDate;
+        }
+      });
+    });
+  }
 }

pubspec.lock

@@ -113,13 +113,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.3.2"
-  built_mirrors:
-    dependency: transitive
-    description:
-      name: built_mirrors
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.11.0"
   built_value:
     dependency: transitive
     description:
@@ -190,13 +183,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.3"
-  dson:
-    dependency: "direct main"
-    description:
-      name: dson
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.16.0"
   fixnum:
     dependency: transitive
     description:
@@ -277,6 +263,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.4"
+  intl:
+    dependency: "direct main"
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.16.1"
   io:
     dependency: transitive
     description:
@@ -417,13 +410,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.4+2"
-  serializable:
-    dependency: transitive
-    description:
-      name: serializable
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.12.0"
   shelf:
     dependency: transitive
     description:
@@ -443,13 +429,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.99"
-  source_gen:
-    dependency: transitive
-    description:
-      name: source_gen
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.5"
   source_maps:
     dependency: transitive
     description:

pubspec.yaml

@@ -21,7 +21,7 @@ dependencies:
     sdk: flutter
   hexcolor: ^1.0.1
   flutter_device_type: ^0.2.0
-  dson: ^0.16.0
+  intl: ^0.16.1
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2