fix the tab bar

lib/screens/patients/profile/referral/patient_referral_screen.dart

@@ -1,9 +1,11 @@
 import 'dart:ui';
 
+import 'package:doctor_app_flutter/config/size_config.dart';
 import 'package:doctor_app_flutter/screens/patients/profile/referral/referred-patient-screen.dart';
 import 'package:doctor_app_flutter/util/translations_delegate_base.dart';
 import 'package:doctor_app_flutter/widgets/shared/app_scaffold_widget.dart';
 import 'package:doctor_app_flutter/widgets/shared/app_texts_widget.dart';
+import 'package:doctor_app_flutter/widgets/shared/text_fields/text_fields_utils.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
@@ -14,13 +16,22 @@ class PatientReferralScreen extends StatefulWidget {
   _PatientReferralScreen createState() => _PatientReferralScreen();
 }
 
-class _PatientReferralScreen extends State<PatientReferralScreen>
+class _PatientReferralScreen extends State<PatientReferralScreen> with SingleTickerProviderStateMixin {
-    with SingleTickerProviderStateMixin {
+
   TabController _tabController;
+  int index=0;
+
   @override
   void initState() {
     super.initState();
     _tabController = TabController(length: 2, vsync: this);
+    _tabController.addListener(_handleTabSelection);
+  }
+
+  _handleTabSelection() {
+    setState(() {
+      index = _tabController.index;
+    });
   }
 
   @override
@@ -29,7 +40,7 @@ class _PatientReferralScreen extends State<PatientReferralScreen>
     _tabController.dispose();
   }
 
-  @override
+
   @override
   Widget build(BuildContext context) {
     return AppScaffold(
@@ -39,12 +50,10 @@ class _PatientReferralScreen extends State<PatientReferralScreen>
           extendBodyBehindAppBar: true,
           // backgroundColor: Colors.white,
           appBar: PreferredSize(
-            preferredSize: Size.fromHeight(60.0),
+            preferredSize: Size.fromHeight(MediaQuery.of(context).size.height * 0.070),
             child: Center(
               child: Container(
-                height: 60.0,
+                height: MediaQuery.of(context).size.height * 0.070,
-                // margin: EdgeInsets.only(top: 10.0),
-                width: MediaQuery.of(context).size.width * 1, // 0.92,
                 decoration: BoxDecoration(
                     border: Border(
                       bottom: BorderSide(
@@ -54,30 +63,71 @@ class _PatientReferralScreen extends State<PatientReferralScreen>
                     color: Colors.white),
                 child: Center(
                   child: TabBar(
-                    isScrollable: true,
+                    isScrollable: false,
                     controller: _tabController,
-                    indicatorColor: Colors.red[800],
+                    indicatorColor: Colors.transparent,
-                    indicatorWeight: 5.0,
+                    indicatorWeight: 1.0,
                     indicatorSize: TabBarIndicatorSize.tab,
+
                     labelColor: Theme.of(context).primaryColor,
-                    labelPadding:
+                    labelPadding: EdgeInsets.only(top: 0, left:0, right: 0,bottom: 0),
-                        EdgeInsets.only(top: 4.0, left: 35.0, right: 35.0),
                     unselectedLabelColor: Colors.grey[800],
                     tabs: [
                       Container(
-                        width: MediaQuery.of(context).size.width * 0.30,
+                        width: MediaQuery.of(context).size.width * 0.50,
+                        height: MediaQuery.of(context).size.height * 0.070,
+                        decoration: TextFieldsUtils.containerBorderDecoration(
+                            Color(0Xffffffff), Color(0xFFCCCCCC),
+                            borderRadius: 4, borderWidth: 0),
                         child: Center(
-                          child:
+                          child: Container(
-                              AppText(TranslationBase.of(context).referral),
+                            height: MediaQuery.of(context).size.height * 0.070,
+                            decoration: TextFieldsUtils.containerBorderDecoration(
+                                index == 0
+                                    ? Color(0xFFD02127 )
+                                    : Color(0xFFEAEAEA),
+                                index == 0 ? Color(0xFFD02127) : Color(0xFFEAEAEA),
+                                borderRadius: 4,
+                                borderWidth: 0),
+                            child: Center(
+                              child: AppText(
+                                TranslationBase.of(context).myReferredPatient,
+                                fontSize: SizeConfig.textMultiplier * 1.8,
+                                color: index == 0 ? Colors.white : Color(0xFF2B353E),
+                                fontWeight: FontWeight.w700,
+                              ),
+                            ),
+                          ),
                         ),
                       ),
                       Container(
-                        width: MediaQuery.of(context).size.width * 0.30,
+                        width: MediaQuery.of(context).size.width * 0.50,
+                       height: MediaQuery.of(context).size.height * 0.070,
+                    decoration: TextFieldsUtils.containerBorderDecoration(
+                        Color(0Xffffffff), Color(0xFFCCCCCC),
+                        borderRadius: 4, borderWidth: 0),
                         child: Center(
-                          child: AppText(
+                          child: Container(
-                              TranslationBase.of(context).myReferredPatient),
+                            height: MediaQuery.of(context).size.height * 0.070,
+                            decoration: TextFieldsUtils.containerBorderDecoration(
+                                index == 1
+                                    ? Color(0xFFD02127 )
+                                    : Color(0xFFEAEAEA),
+                                index == 1 ? Color(0xFFD02127) : Color(0xFFEAEAEA),
+                                borderRadius: 4,
+                                borderWidth: 0),
+                            child: Center(
+                              child: AppText(
+                                TranslationBase.of(context).referral,
+                                fontSize: SizeConfig.textMultiplier * 1.8,
+                                color: index == 1 ? Colors.white : Color(0xFF2B353E),
+                                fontWeight: FontWeight.w700,
+                              ),
+                            ),
+                          ),
                         ),
                       ),
+
                     ],
                   ),
                 ),
@@ -91,8 +141,8 @@ class _PatientReferralScreen extends State<PatientReferralScreen>
                   physics: BouncingScrollPhysics(),
                   controller: _tabController,
                   children: <Widget>[
-                    MyReferralInPatientScreen(),
                     ReferredPatientScreen(),
+                    MyReferralInPatientScreen(),
                     // MyReferredPatient(),
                   ],
                 ),