back arrow and title updated

lib/ChatBotPage.dart

@@ -53,6 +53,12 @@ class _ChatBotPageState extends State<ChatBotPage> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
+         leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
         title: const Text('ChatBot'),
       ),
       body: Column(

lib/about.dart

@@ -10,6 +10,12 @@ class AboutScreen  extends StatelessWidget {
     );
     return Scaffold(
       appBar: AppBar(
+         leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
         title: Text('About App'),
       ),
       body: Padding(

lib/bar.dart

@@ -15,6 +15,7 @@ class AppBarWidget extends StatelessWidget implements PreferredSizeWidget {
 
     return Scaffold(
       appBar: AppBar(
+        centerTitle: true,
         title: Text(
           'OpSo',
           style: TextStyle(

lib/home_page.dart

@@ -166,6 +166,7 @@ class _HomePageState extends State<HomePage> {
     final double SizedSize = ScreenUtil().setHeight(20);
     return Scaffold(
       appBar: AppBar(
+        centerTitle: true,
         title: Text(
           'OpSo',
           style:

lib/learning_path.dart

@@ -9,6 +9,12 @@ class LearningPathPage extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
+         leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
         title: const Text('GitHub Workflow'),
       ),
       body: Padding(

lib/opso_timeline.dart

@@ -147,6 +147,12 @@ class OpsoTimeLineScreen extends StatelessWidget {
 
     return Scaffold(
       appBar: AppBar(
+         leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
         title: const Text('Open-Source Timeline of 2024'),
       ),
       body: Padding(

lib/programs screen/fossasia.dart

@@ -136,6 +136,12 @@ class _FOSSASIAState extends State<FOSSASIA> {
       onRefresh: _refresh,
       child: Scaffold(
         appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
           title: const Text('FOSSASIA Codeheat'),
           actions: <Widget>[
             IconButton(

lib/programs screen/girl_script.dart

@@ -180,7 +180,14 @@ class _GSSOCScreenState extends State<GSSOCScreen> {
     return RefreshIndicator(
       onRefresh: _refresh,
       child: Scaffold(
-        appBar: AppBar(title: const Text('GSSoC'), actions: <Widget>[
+        appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+          title: const Text('GSSoC'), actions: <Widget>[
           IconButton(
             icon: (isBookmarked)
                 ? const Icon(Icons.bookmark_add_rounded)

lib/programs screen/github_campus.dart

@@ -44,6 +44,12 @@ class _GithubCampusState extends State<GithubCampus> {
       onRefresh: _refresh,
       child: Scaffold(
         appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
           title: const Text('Github Campus Expert'),
           actions: <Widget>[
             IconButton(

lib/programs screen/google_season_of_docs_screen.dart

@@ -229,7 +229,14 @@ class _GoogleSeasonOfDocsScreenState extends State<GoogleSeasonOfDocsScreen> {
     return RefreshIndicator(
       onRefresh: _refresh,
       child: Scaffold(
-        appBar: AppBar(title: const Text('GSoD'), actions: <Widget>[
+        appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+          title: const Text('GSoD'), actions: <Widget>[
           IconButton(
             icon: (isBookmarked)
                 ? const Icon(Icons.bookmark_add_rounded)

lib/programs screen/google_summer_of_code_screen.dart

@@ -149,10 +149,21 @@ class _GoogleSummerOfCodeScreenState extends State<GoogleSummerOfCodeScreen> {
     return RefreshIndicator(
       onRefresh: _refresh,
       child: Scaffold(
+               appBar: AppBar(
+                 leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+          title: const Text('GSoC'),
+          actions: <Widget>[IconButton(
+
         appBar: AppBar(
           title: const Text('Google Summer of Code'),
           actions: <Widget>[
             IconButton(
+
               icon: (isBookmarked)
                   ? const Icon(Icons.bookmark_add_rounded)
                   : const Icon(Icons.bookmark_add_outlined),

lib/programs screen/hacktoberfest_screen.dart

@@ -43,6 +43,12 @@ class _HacktoberfestState extends State<Hacktoberfest> {
       onRefresh: _refresh,
       child: Scaffold(
         appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
           title: const Text('Hacktoberfest'),
           actions: <Widget>[
             IconButton(

lib/programs screen/hyperledger.dart

@@ -122,6 +122,12 @@ class _HyperledgerState extends State<Hyperledger> {
       onRefresh: _refresh,
       child: Scaffold(
         appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
           title: const Text('Hyperledger'),
           actions: <Widget>[
             IconButton(

lib/programs screen/linux_foundation.dart

@@ -75,7 +75,14 @@ class _LinuxFoundationState extends State<LinuxFoundation> {
     return RefreshIndicator(
       onRefresh: _refresh,
       child: Scaffold(
-        appBar: AppBar(title: const Text('Linux Foundation'), actions: <Widget>[
+        appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+          title: const Text('Linux Foundation'), actions: <Widget>[
           IconButton(
             icon: (isBookmarked)
                 ? const Icon(Icons.bookmark_add_rounded)

lib/programs screen/major_league_hacking_fellowship.dart

@@ -48,7 +48,14 @@ class _MajorLeagueHackingFellowshipState
     return RefreshIndicator(
         onRefresh: _refresh,
         child: Scaffold(
-          appBar: AppBar(title: const Text('MLH Fellowship'), actions: <Widget>[
+          appBar: AppBar(
+             leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+            title: const Text('MLH Fellowship'), actions: <Widget>[
             IconButton(
               icon: (isBookmarked)
                   ? const Icon(Icons.bookmark_add_rounded)

lib/programs screen/open_summer_of_code.dart

@@ -125,7 +125,14 @@ class _OpenSummerOfCodeState extends State<OpenSummerOfCode> {
       onRefresh: _refresh,
       child: Scaffold(
         appBar:
-            AppBar(title: const Text('Open Summer of Code'), actions: <Widget>[
+            AppBar(
+               leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+              title: const Text('Open Summer of Code'), actions: <Widget>[
           IconButton(
             icon: (isBookmarked)
                 ? const Icon(Icons.bookmark_add_rounded)

lib/programs screen/outreachy.dart

@@ -138,7 +138,14 @@ class _OutreachyScreenState extends State<OutreachyScreen> {
     return RefreshIndicator(
       onRefresh: _refresh,
       child: Scaffold(
-        appBar: AppBar(title: const Text('Outreachy'), actions: <Widget>[
+        appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+          title: const Text('Outreachy'), actions: <Widget>[
           IconButton(
             icon: (isBookmarked)
                 ? const Icon(Icons.bookmark_add_rounded)

lib/programs screen/redox.dart

@@ -76,6 +76,12 @@ class _RsocPageState extends State<RsocPage> {
       onRefresh: _refresh,
       child: Scaffold(
         appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
           title: const Text('Redox Summer of Code'),
           actions: <Widget>[
             IconButton(

lib/programs screen/season_of_kde.dart

@@ -111,6 +111,12 @@ class _SeasonOfKDEState extends State<SeasonOfKDE> {
       onRefresh: _refresh,
       child: Scaffold(
         appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
           title: const Text('Season of KDE'),
           actions: <Widget>[
             IconButton(

lib/programs screen/social_winter_of_code.dart

@@ -200,7 +200,14 @@ class _SWOCScreenState extends State<SWOCScreen> {
     return RefreshIndicator(
       onRefresh: _refresh,
       child: Scaffold(
-        appBar: AppBar(title: const Text('SWoC'), actions: <Widget>[
+        appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+          title: const Text('SWoC'), actions: <Widget>[
           IconButton(
             icon: (isBookmarked)
                 ? const Icon(Icons.bookmark_add_rounded)

lib/programs screen/summer_of_bitcoin.dart

@@ -137,7 +137,14 @@ class _SummerOfBitcoinState extends State<SummerOfBitcoin> {
     return RefreshIndicator(
       onRefresh: _refresh,
       child: Scaffold(
-        appBar: AppBar(title: const Text('Summer of Bitcoin'), actions: <Widget>[
+        appBar: AppBar(
+           leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
+          title: const Text('Summer of Bitcoin'), actions: <Widget>[
           IconButton(
             icon: (isBookmarked)
                 ? const Icon(Icons.bookmark_add_rounded)

lib/widgets/book_mark_screen.dart

@@ -21,6 +21,12 @@ class _BookMarkScreenState extends State<BookMarkScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
+         leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
         title: const Text(
           'Bookmarks',
           style: TextStyle(fontWeight: FontWeight.bold),

lib/widgets/faq.dart

@@ -65,6 +65,12 @@ class FAQPage extends StatelessWidget {
 
     return Scaffold(
       appBar: AppBar(
+         leading: IconButton(
+          icon: const Icon(Icons.arrow_back_ios),
+
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        centerTitle: true,
         title: Text('FAQ', style: TextStyle(fontSize: 22.sp)),
       ),
       body: SingleChildScrollView(