Get current date in searcheven dart class

lib/EAnalyzer/SearchEvent.dart

 // import 'dart:convert';
 // import 'dart:html';
-
+import 'package:intl/date_symbol_data_local.dart';
 import 'dart:convert';
 import 'dart:ffi';
 
@@ -32,14 +32,16 @@ class _SearchEventState extends State<SearchEvent> {
 
   var tcVisibility = false;
 
-  var now = new DateTime.now();
+  DateTime now = new DateTime.now();
+  Duration dur = new Duration(days: 1);
+
   //var yesterday = now.subtract(const Duration(days: 1));
   // var formatterDate = new DateFormat('dd');
   // var formatterMonth = new DateFormat('MM');
   // var formatterYear = new DateFormat('yyyy');
   // String date = formatterDate.format(yesterday); 
   // String month = formatterMonth.format(yesterday);
-  // String year = formatterYear.format(yesterday);
+  //  String year = formatterYear.format(yesterday);
 
   // String finalDate = '_' + year + '_' + month + '_' + date
   // String riskLevelDocument = location + finalDate;
@@ -150,16 +152,9 @@ Widget _buildDistrict(){
         return '*District is Required';
       }
     },
-    // items: dist.map((distr){
-    //   return DropdownMenuItem(
-    //     value: distr,
-    //     child: Text('$dist'),
-    //   );
-    // }),
-    //------------------------------------------------------
-    // onSaved: (String value){
-    //   _fName = value;
-    // },
+    onSaved: (String value){
+      district = value;
+    },
     onChanged: (String district){
       getDistrict(district);
     },
@@ -186,7 +181,7 @@ Widget _buildNoOfInfected(){
     // ignore: missing_return
     validator: (String value){
       if (value.isEmpty) {
-        return '*Date is Required';
+        return '*No Of Infected people is Required';
       }
     },
     // onSaved: (String value){
@@ -299,6 +294,9 @@ Future<void> check() async{
   }
   print(reText);  
   tcVisibility = true;
+  print('$now');
+  print(now.subtract(dur));
+
 }
 
 
@@ -331,6 +329,7 @@ Future<void> check() async{
            SizedBox(height: 50),
 
           //Image(image: AssetImage('lib/assets/images/200.gif')),
+          //----------------------------------------------------------------------------------------------------
           // Image.asset('lib/assets/images/101.gif',fit: BoxFit.contain,width: 150,height: 150,),
           // Center(
           // child: 
@@ -350,7 +349,7 @@ Future<void> check() async{
                           fit: BoxFit.contain,width: 150,height: 150,
                         ),
                 ),
-                Text('This is a $finalRisk area',style: TextStyle(fontSize: 25,fontWeight: FontWeight.bold, color: Colors.red[900]),),
+                Text('This is a $finalRisk event',style: TextStyle(fontSize: 25,fontWeight: FontWeight.bold, color: Colors.red[900]),),
           ],
             )