overall bug fixes + UI changes

packages/simplex_app/lib/animations/bottom_animation.dart

@@ -6,7 +6,7 @@ class Animator extends StatefulWidget {
   final Widget child;
   final Duration time;
 
-  const Animator(this.child, this.time, {Key? key}) : super(key: key);
+  const Animator(this.child, this.time, {Key key}) : super(key: key);
 
   @override
   _AnimatorState createState() => _AnimatorState();
@@ -14,9 +14,9 @@ class Animator extends StatefulWidget {
 
 class _AnimatorState extends State<Animator>
     with SingleTickerProviderStateMixin {
-  Timer? timer;
+  Timer timer;
-  AnimationController? animationController;
+  AnimationController animationController;
-  Animation? animation;
+  Animation animation;
 
   @override
   void initState() {
@@ -24,27 +24,27 @@ class _AnimatorState extends State<Animator>
     animationController = AnimationController(
         duration: const Duration(milliseconds: 290), vsync: this);
     animation =
-        CurvedAnimation(parent: animationController!, curve: Curves.easeInOut);
+        CurvedAnimation(parent: animationController, curve: Curves.easeInOut);
-    timer = Timer(widget.time, animationController!.forward);
+    timer = Timer(widget.time, animationController.forward);
   }
 
   @override
   void dispose() {
-    animationController!.dispose();
+    animationController.dispose();
     super.dispose();
-    timer!.cancel();
+    timer.cancel();
   }
 
   @override
   Widget build(BuildContext context) {
     return AnimatedBuilder(
-      animation: animation!,
+      animation: animation,
       child: widget.child,
-      builder: (BuildContext context, Widget? child) {
+      builder: (BuildContext context, Widget child) {
         return Opacity(
-          opacity: animation!.value,
+          opacity: animation.value,
           child: Transform.translate(
-            offset: Offset(0.0, (1 - animation!.value) * 20),
+            offset: Offset(0.0, (1 - animation.value) * 20),
             child: child,
           ),
         );
@@ -53,11 +53,11 @@ class _AnimatorState extends State<Animator>
   }
 }
 
-Timer? timer;
+Timer timer;
 Duration duration = const Duration();
 
 Duration wait() {
-  if (timer == null || !timer!.isActive) {
+  if (timer == null || !timer.isActive) {
     timer = Timer(const Duration(microseconds: 120), () {
       duration = const Duration();
     });
@@ -67,12 +67,12 @@ Duration wait() {
 }
 
 class WidgetAnimator extends StatelessWidget {
-  final Widget? child;
+  final Widget child;
 
-  const WidgetAnimator({this.child, Key? key}) : super(key: key);
+  const WidgetAnimator({this.child, Key key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
-    return Animator(child!, wait());
+    return Animator(child, wait());
   }
 }

packages/simplex_app/lib/animations/entrance_fader.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 
 class EntranceFader extends StatefulWidget {
   /// Child to be animated on entrance
-  final Widget? child;
+  final Widget child;
 
   /// Delay after which the animation will start
   final Duration delay;
@@ -14,7 +14,7 @@ class EntranceFader extends StatefulWidget {
   final Offset offset;
 
   const EntranceFader({
-    Key? key,
+    Key key,
     this.child,
     this.delay = const Duration(milliseconds: 0),
     this.duration = const Duration(milliseconds: 400),
@@ -29,39 +29,39 @@ class EntranceFader extends StatefulWidget {
 
 class EntranceFaderState extends State<EntranceFader>
     with SingleTickerProviderStateMixin {
-  AnimationController? _controller;
+  AnimationController _controller;
-  Animation? _dxAnimation;
+  Animation _dxAnimation;
-  Animation? _dyAnimation;
+  Animation _dyAnimation;
 
   @override
   void initState() {
     super.initState();
     _controller = AnimationController(vsync: this, duration: widget.duration);
     _dxAnimation =
-        Tween(begin: widget.offset.dx, end: 0.0).animate(_controller!);
+        Tween(begin: widget.offset.dx, end: 0.0).animate(_controller);
     _dyAnimation =
-        Tween(begin: widget.offset.dy, end: 0.0).animate(_controller!);
+        Tween(begin: widget.offset.dy, end: 0.0).animate(_controller);
     Future.delayed(widget.delay, () {
       if (mounted) {
-        _controller!.forward();
+        _controller.forward();
       }
     });
   }
 
   @override
   void dispose() {
-    _controller!.dispose();
+    _controller.dispose();
     super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
     return AnimatedBuilder(
-      animation: _controller!,
+      animation: _controller,
       builder: (context, child) => Opacity(
-        opacity: _controller!.value,
+        opacity: _controller.value,
         child: Transform.translate(
-          offset: Offset(_dxAnimation!.value, _dyAnimation!.value),
+          offset: Offset(_dxAnimation.value, _dyAnimation.value),
           child: widget.child,
         ),
       ),

packages/simplex_app/lib/custom_scroll_behavior.dart

@@ -14,5 +14,6 @@ class ScrollBehaviorModified extends ScrollBehavior {
       case TargetPlatform.windows:
         return const ClampingScrollPhysics();
     }
+    return null;
   }
 }

packages/simplex_app/lib/main.dart

@@ -17,7 +17,7 @@ void main() {
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({Key key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -38,9 +38,7 @@ class MyApp extends StatelessWidget {
           ),
           builder: (context, widget) {
             return ScrollConfiguration(
-              behavior: const ScrollBehaviorModified(),
+                behavior: const ScrollBehaviorModified(), child: widget);
-              child: widget!,
-            );
           },
           initialRoute: AppRoutes.splash,
           routes: <String, WidgetBuilder>{

packages/simplex_app/lib/model/contact.dart

@@ -1,9 +1,9 @@
 import 'dart:convert';
 
 class Contact {
-  final String? name;
+  final String name;
-  final String? msg;
+  final String msg;
-  final String? msgTime;
+  final String msgTime;
 
   Contact({this.name, this.msg, this.msgTime});
 
@@ -26,8 +26,8 @@ class Contact {
             .toList(),
       );
 
-  static List<Contact> decode(String? contacts) =>
+  static List<Contact> decode(String contacts) =>
-      (json.decode(contacts!) as List<dynamic>)
+      (json.decode(contacts) as List<dynamic>)
           .map<Contact>((item) => Contact.fromJson(item))
           .toList();
 }

packages/simplex_app/lib/model/group.dart

@@ -1,14 +1,20 @@
 import 'dart:convert';
 
 class Group {
-  final String? groupName;
+  final String photoPath;
-  final String? groupDescription;
+  final String groupName;
+  final String groupDescription;
   final List<dynamic> members;
 
-  Group({this.groupName, this.groupDescription, this.members = const []});
+  Group(
+      {this.groupName,
+      this.photoPath,
+      this.groupDescription,
+      this.members = const []});
 
   factory Group.fromJson(Map<String, dynamic> json) {
     return Group(
+      photoPath: json['gPhoto'],
       groupName: json['gName'],
       groupDescription: json['desc'],
       members: json['contacts'],
@@ -17,6 +23,7 @@ class Group {
 
   static Map<String, dynamic> toJson(Group group) {
     return {
+      'gPhoto': group.photoPath,
       'gName': group.groupName,
       'desc': group.groupDescription,
       'contacts': group.members,
@@ -29,8 +36,8 @@ class Group {
             .toList(),
       );
 
-  static List<Group> decode(String? groups) =>
+  static List<Group> decode(String groups) =>
-      (json.decode(groups!) as List<dynamic>)
+      (json.decode(groups) as List<dynamic>)
           .map<Group>((item) => Group.fromJson(item))
           .toList();
 }

packages/simplex_app/lib/providers/drawer_providers.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/cupertino.dart';
 
 class DrawerProvider extends ChangeNotifier {
-  int _currentIndex = 0;
+  int _currentIndex = 1;
 
   int get currentIndex => _currentIndex;
 
@@ -9,13 +9,4 @@ class DrawerProvider extends ChangeNotifier {
     _currentIndex = value;
     notifyListeners();
   }
-
-  // toggle drawer
-  TickerFuture toggle(
-      AnimationController? animationController) {
-    
-    return animationController!.isDismissed
-        ? animationController.forward()
-        : animationController.reverse();
-  }
 }

packages/simplex_app/lib/views/contacts/add_contact_view.dart

@@ -5,7 +5,7 @@ import 'package:qr_code_scanner/qr_code_scanner.dart';
 import 'package:simplex_chat/views/contacts/qr_code_details_view.dart';
 
 class AddContactView extends StatefulWidget {
-  const AddContactView({Key? key}) : super(key: key);
+  const AddContactView({Key key}) : super(key: key);
 
   @override
   _AddContactViewState createState() => _AddContactViewState();
@@ -13,16 +13,16 @@ class AddContactView extends StatefulWidget {
 
 class _AddContactViewState extends State<AddContactView> {
   final qrKey = GlobalKey(debugLabel: 'qr');
-  QRViewController? _qrViewController;
+  QRViewController _qrViewController;
-  Barcode? result;
+  Barcode result;
 
   @override
   void reassemble() {
     super.reassemble();
     if (Platform.isAndroid) {
-      _qrViewController!.pauseCamera();
+      _qrViewController.pauseCamera();
     } else if (Platform.isIOS) {
-      _qrViewController!.resumeCamera();
+      _qrViewController.resumeCamera();
     }
   }
 

packages/simplex_app/lib/views/contacts/contacts_view.dart

@@ -9,14 +9,14 @@ import 'package:simplex_chat/model/contact.dart';
 import 'package:simplex_chat/views/conversation/conversation_view.dart';
 
 class ContactsView extends StatefulWidget {
-  const ContactsView({Key? key}) : super(key: key);
+  const ContactsView({Key key}) : super(key: key);
 
   @override
   _ContactsViewState createState() => _ContactsViewState();
 }
 
 class _ContactsViewState extends State<ContactsView> {
-  bool? _eraseMedia = false;
+  bool _eraseMedia = false;
 
   List<Contact> _contactsList = []; // for storing contacts
 
@@ -44,14 +44,16 @@ class _ContactsViewState extends State<ContactsView> {
   // getting data from local storage FOR NOW!!
   void _getContacts() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
-    final String? _contacts = prefs.getString('contacts');
+    final String _contacts = prefs.getString('contacts');
-    setState(() {
+    if (_contacts != null) {
-      _contactsList = List.from(Contact.decode(_contacts));
+      setState(() {
-    });
+        _contactsList = List.from(Contact.decode(_contacts));
+      });
+    }
   }
 
-  String? _photo;
+  String _photo = '';
-  String? _displayName;
+  String _displayName = '';
 
   void _getUserData() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
@@ -89,10 +91,13 @@ class _ContactsViewState extends State<ContactsView> {
                       ],
                     ),
                     const SizedBox(width: 10.0),
-                    CircleAvatar(
+                    GestureDetector(
-                      backgroundImage: _photo == null
+                      onTap: _addNewContacts,
-                          ? const AssetImage('assets/dp.png') as ImageProvider
+                      child: CircleAvatar(
-                          : FileImage(File(_photo!)),
+                        backgroundImage: _photo.isEmpty
+                            ? const AssetImage('assets/dp.png') as ImageProvider
+                            : FileImage(File(_photo)),
+                      ),
                     )
                   ],
                 ),
@@ -138,10 +143,10 @@ class _ContactsViewState extends State<ContactsView> {
                               leading: const CircleAvatar(
                                 backgroundImage: AssetImage('assets/dp.png'),
                               ),
-                              title: Text(_contactsList[index].name!),
+                              title: Text(_contactsList[index].name),
-                              subtitle: Text(_contactsList[index].msg!),
+                              subtitle: Text(_contactsList[index].msg),
                               trailing: Text(
-                                _contactsList[index].msgTime!,
+                                _contactsList[index].msgTime,
                                 style: const TextStyle(
                                     fontSize: 11, color: Colors.grey),
                               ),
@@ -171,9 +176,9 @@ class _ContactsViewState extends State<ContactsView> {
         offset: const Offset(-10, -120),
         onSelected: (value) {
           if (value == _options[0]) {
-            Navigator.pushNamed(context, AppRoutes.addContact);
-          } else {
             Navigator.pushNamed(context, AppRoutes.scanInvitation);
+          } else {
+            Navigator.pushNamed(context, AppRoutes.addContact);
           }
         },
         itemBuilder: (context) => _options
@@ -325,7 +330,10 @@ class _ContactsViewState extends State<ContactsView> {
     SharedPreferences prefs = await SharedPreferences.getInstance();
 
     List<Contact> _localList = [];
-    _localList = List.from(Contact.decode(prefs.getString('contacts')));
+    final String _local = prefs.getString('contacts');
+    if (_local != null) {
+      _localList = List.from(Contact.decode(_local));
+    }
 
     List<Contact> _newList = [
       Contact(

packages/simplex_app/lib/views/contacts/qr_code_details_view.dart

@@ -4,9 +4,9 @@ import 'package:simplex_chat/constants.dart';
 import 'package:simplex_chat/widgets/custom_btn.dart';
 
 class QRCodeDetailsView extends StatelessWidget {
-  final Barcode? barcode;
+  final Barcode barcode;
   const QRCodeDetailsView({
-    Key? key,
+    Key key,
     this.barcode,
   }) : super(key: key);
 
@@ -26,7 +26,7 @@ class QRCodeDetailsView extends StatelessWidget {
             ),
             const SizedBox(height: 30.0),
             Text(
-              barcode!.code,
+              barcode.code,
               style: kMediumHeadingStyle,
               textAlign: TextAlign.center,
             ),

packages/simplex_app/lib/views/conversation/conversation_view.dart

@@ -2,8 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:simplex_chat/widgets/message_bubble.dart';
 
 class ConversationView extends StatefulWidget {
-  final String? name;
+  final String name;
-  const ConversationView({Key? key, @required this.name}) : super(key: key);
+  const ConversationView({Key key, @required this.name}) : super(key: key);
 
   @override
   _ConversationViewState createState() => _ConversationViewState();
@@ -13,17 +13,17 @@ class _ConversationViewState extends State<ConversationView> {
   final ScrollController _scrollController = ScrollController();
   final TextEditingController _messageFieldController = TextEditingController();
 
-  FocusNode? _focus;
+  FocusNode _focus;
   bool _fieldEnabled = false;
   final List<Widget> _chatMessages = [];
 
   @override
   void initState() {
     _focus = FocusNode();
-    _focus!.addListener(() {
+    _focus.addListener(() {
-      debugPrint('FOCUS ${_focus!.hasFocus}');
+      debugPrint('FOCUS ${_focus.hasFocus}');
-      _fieldEnabled = _focus!.hasFocus;
+      _fieldEnabled = _focus.hasFocus;
-      debugPrint('MESSAGE ENABLED! $_fieldEnabled');
+      debugPrint('MESSAGE ENABLED $_fieldEnabled');
     });
     super.initState();
   }
@@ -32,7 +32,7 @@ class _ConversationViewState extends State<ConversationView> {
   void dispose() {
     _messageFieldController.dispose();
     _scrollController.dispose();
-    _focus!.dispose();
+    _focus.dispose();
     super.dispose();
   }
 
@@ -42,7 +42,7 @@ class _ConversationViewState extends State<ConversationView> {
       onTap: () => FocusScope.of(context).unfocus(),
       child: Scaffold(
         appBar: AppBar(
-          title: Text('${widget.name}'),
+          title: Text(widget.name),
         ),
         body: Column(
           children: [
@@ -50,7 +50,7 @@ class _ConversationViewState extends State<ConversationView> {
               child: Container(
                 child: _chatMessages.isEmpty
                     ? const Center(
-                        child: Text('Send a message to get started!'),
+                        child: Text('Send a message to get started'),
                       )
                     : SingleChildScrollView(
                         controller: _scrollController,
@@ -96,7 +96,7 @@ class _ConversationViewState extends State<ConversationView> {
                   const SizedBox(width: 15.0),
                   InkWell(
                     onTap: () async {
-                      if (_messageFieldController.text != '') {
+                      if (_messageFieldController.text == '') {
                         setState(() {
                           _chatMessages.add(MessageBubble(
                             isUser: true,
@@ -105,7 +105,7 @@ class _ConversationViewState extends State<ConversationView> {
                           ));
                         });
                         _messageFieldController.clear();
-                        _focus!.unfocus();
+                        _focus.unfocus();
                       }
                     },
                     child: const Icon(Icons.send_rounded,

packages/simplex_app/lib/views/group/add_group_view.dart

@@ -9,34 +9,61 @@ import 'package:simplex_chat/model/group.dart';
 import 'package:simplex_chat/widgets/custom_text_field.dart';
 
 class AddGroupView extends StatefulWidget {
-  const AddGroupView({Key? key}) : super(key: key);
+  const AddGroupView({Key key}) : super(key: key);
 
   @override
   _AddGroupViewState createState() => _AddGroupViewState();
 }
 
 class _AddGroupViewState extends State<AddGroupView> {
-  bool _addMember = false;
+  // Image Picker --> DP properties
-  List<Contact> _contactsList = []; // for storing contacts
+  final imgPicker = ImagePicker();
+  File image;
+  String _groupPhotoPath = '';
+  bool _uploading = false;
+  bool _imageUploaded = false;
 
   final List _members = [];
-
   final _formKey = GlobalKey<FormState>();
-
   final _displayNameController = TextEditingController();
   final _descController = TextEditingController();
 
-  // getting data from local storage FOR NOW!!
+  bool _addMember = false;
+  List<Contact> _contactsList = []; // for storing contacts
+
+  // image buttons options
+  final _dpBtnText = ['Remove', 'Gallery', 'Camera'];
+  final _dpBtnColors = [Colors.red, Colors.purple, Colors.green];
+  final _dpBtnIcons = [
+    Icons.delete,
+    Icons.photo_rounded,
+    Icons.camera_alt_rounded
+  ];
+
+  // getting data from local storage FOR NOW
   void _getContacts() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
-    final String? _contacts = prefs.getString('contacts');
+    final String _contacts = prefs.getString('contacts');
     setState(() {
       _contactsList = List.from(Contact.decode(_contacts));
     });
   }
 
+  String _userPhotoPath = '';
+  void _getUserPhoto() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    String _photo = prefs.getString('photo${prefs.getString('displayName')}');
+    if (_photo != null) {
+      setState(() {
+        _userPhotoPath = _photo;
+      });
+    }
+    debugPrint(_userPhotoPath);
+  }
+
   @override
   void initState() {
+    _getUserPhoto();
     _getContacts();
     super.initState();
   }
@@ -68,8 +95,50 @@ class _AddGroupViewState extends State<AddGroupView> {
                 crossAxisAlignment: CrossAxisAlignment.stretch,
                 children: [
                   const SizedBox(height: 10.0),
-                  const Center(
+                  Center(
-                    child: GroupDP(),
+                    child: SizedBox(
+                      height: 180.0,
+                      width: 180.0,
+                      child: Stack(
+                        children: [
+                          _imageUploaded
+                              ? CircleAvatar(
+                                  radius: 100.0,
+                                  backgroundImage:
+                                      FileImage(File(_groupPhotoPath)),
+                                )
+                              : const CircleAvatar(
+                                  radius: 100.0,
+                                  backgroundImage: AssetImage('assets/dp.png'),
+                                ),
+                          Positioned(
+                            right: 0,
+                            bottom: 0,
+                            child: FloatingActionButton(
+                              backgroundColor: kSecondaryColor,
+                              elevation: 2.0,
+                              mini: true,
+                              onPressed: _updateProfilePic,
+                              child: _uploading
+                                  ? const SizedBox(
+                                      height: 18.0,
+                                      width: 18.0,
+                                      child: CircularProgressIndicator(
+                                        strokeWidth: 2.0,
+                                        valueColor:
+                                            AlwaysStoppedAnimation<Color>(
+                                                Colors.white),
+                                      ),
+                                    )
+                                  : const Icon(
+                                      Icons.add_a_photo,
+                                      size: 20,
+                                    ),
+                            ),
+                          )
+                        ],
+                      ),
+                    ),
                   ),
                   const SizedBox(height: 25.0),
                   const Text('Group Name', style: kSmallHeadingStyle),
@@ -79,8 +148,8 @@ class _AddGroupViewState extends State<AddGroupView> {
                     textInputType: TextInputType.name,
                     hintText: 'e.g College friends',
                     validatorFtn: (value) {
-                      if (value!.isEmpty) {
+                      if (value.isEmpty) {
-                        return 'Group name cannot be empty!';
+                        return 'Group name cannot be empty';
                       }
                       return null;
                     },
@@ -148,10 +217,10 @@ class _AddGroupViewState extends State<AddGroupView> {
                               leading: const CircleAvatar(
                                 backgroundImage: AssetImage('assets/dp.png'),
                               ),
-                              title: Text(_contactsList[index].name!),
+                              title: Text(_contactsList[index].name),
                               onTap: () {
                                 setState(() {
-                                  _members.add(_contactsList[index].name!);
+                                  _members.add(_contactsList[index].name);
                                 });
                               },
                             ),
@@ -159,12 +228,14 @@ class _AddGroupViewState extends State<AddGroupView> {
                         )
                       : Container(),
                   const Divider(height: 30.0),
-                  const ListTile(
+                  ListTile(
                       leading: CircleAvatar(
-                        backgroundImage: AssetImage('assets/dp.png'),
+                        backgroundImage: _userPhotoPath == ''
+                            ? const AssetImage('assets/dp.png') as ImageProvider
+                            : FileImage(File(_userPhotoPath)),
                       ),
-                      title: Text('You'),
+                      title: const Text('You'),
-                      subtitle: Text(
+                      subtitle: const Text(
                         'Owner',
                         style: TextStyle(color: Colors.grey, fontSize: 12.0),
                       )),
@@ -178,9 +249,11 @@ class _AddGroupViewState extends State<AddGroupView> {
           child: FloatingActionButton(
             heroTag: 'setup',
             onPressed: () async {
-              if (_formKey.currentState!.validate()) {
+              if (_formKey.currentState.validate()) {
                 FocusScope.of(context).unfocus();
-                _addNewGroup(_displayNameController.text.trim(),
+                _addNewGroup(
+                    _groupPhotoPath,
+                    _displayNameController.text.trim(),
                     _descController.text.trim());
                 _descController.clear();
                 _displayNameController.clear();
@@ -194,102 +267,6 @@ class _AddGroupViewState extends State<AddGroupView> {
     );
   }
 
-  void _addNewGroup(String name, String desc) async {
-    SharedPreferences prefs = await SharedPreferences.getInstance();
-    List<Group> _localList = [];
-    _localList = List.from(Group.decode(prefs.getString('groups')));
-
-    List<Group> _groups = [
-      Group(
-        groupName: name,
-        groupDescription: desc,
-        members: _members,
-      ),
-    ];
-    _groups = _localList + _groups;
-
-    final String _newGroups = Group.encode(_groups);
-
-    await prefs.setString('groups', _newGroups);
-
-    var snackBar = SnackBar(
-      backgroundColor: Colors.green,
-      content: Text('$name added!'),
-    );
-    ScaffoldMessenger.of(context)
-      ..hideCurrentSnackBar()
-      ..showSnackBar(snackBar);
-  }
-}
-
-class GroupDP extends StatefulWidget {
-  const GroupDP({Key? key}) : super(key: key);
-
-  @override
-  _GroupDPState createState() => _GroupDPState();
-}
-
-class _GroupDPState extends State<GroupDP> {
-  // Image Picker --> DP properties
-  final imgPicker = ImagePicker();
-  File? image;
-  String photoUrl = '';
-  bool _uploading = false;
-  bool _imageUploaded = false;
-
-  // image buttons options
-  final _dpBtnText = ['Remove', 'Gallery', 'Camera'];
-  final _dpBtnColors = [Colors.red, Colors.purple, Colors.green];
-  final _dpBtnIcons = [
-    Icons.delete,
-    Icons.photo_rounded,
-    Icons.camera_alt_rounded
-  ];
-
-  @override
-  Widget build(BuildContext context) {
-    return SizedBox(
-      height: 180.0,
-      width: 180.0,
-      child: Stack(
-        children: [
-          _imageUploaded
-              ? CircleAvatar(
-                  radius: 100.0,
-                  backgroundImage: FileImage(image!),
-                )
-              : const CircleAvatar(
-                  radius: 100.0,
-                  backgroundImage: AssetImage('assets/dp.png'),
-                ),
-          Positioned(
-            right: 0,
-            bottom: 0,
-            child: FloatingActionButton(
-              backgroundColor: kSecondaryColor,
-              elevation: 2.0,
-              mini: true,
-              onPressed: _updateProfilePic,
-              child: _uploading
-                  ? const SizedBox(
-                      height: 18.0,
-                      width: 18.0,
-                      child: CircularProgressIndicator(
-                        strokeWidth: 2.0,
-                        valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
-                      ),
-                    )
-                  : const Icon(
-                      Icons.add_a_photo,
-                      size: 20,
-                    ),
-            ),
-          )
-        ],
-      ),
-    );
-  }
-
   void _updateProfilePic() {
     showModalBottomSheet(
       shape: const RoundedRectangleBorder(
@@ -356,6 +333,7 @@ class _GroupDPState extends State<GroupDP> {
     setState(() {
       _imageUploaded = false;
       image = null;
+      _groupPhotoPath = '';
     });
     Navigator.pop(context);
   }
@@ -376,6 +354,7 @@ class _GroupDPState extends State<GroupDP> {
         setState(() {
           _uploading = false;
           _imageUploaded = true;
+          _groupPhotoPath = file.path;
         });
       } else {
         setState(() {
@@ -405,6 +384,7 @@ class _GroupDPState extends State<GroupDP> {
         setState(() {
           _uploading = false;
           _imageUploaded = true;
+          _groupPhotoPath = file.path;
         });
       } else {
         setState(() {
@@ -417,4 +397,34 @@ class _GroupDPState extends State<GroupDP> {
       rethrow;
     }
   }
+
+  void _addNewGroup(String photo, String name, String desc) async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    List<Group> _localList = [];
+    final String _local = prefs.getString('groups');
+    if (_local != null) {
+      _localList = List.from(Group.decode(_local));
+    }
+    List<Group> _groups = [
+      Group(
+        photoPath: _groupPhotoPath,
+        groupName: name,
+        groupDescription: desc,
+        members: _members,
+      ),
+    ];
+    _groups = _localList + _groups;
+
+    final String _newGroups = Group.encode(_groups);
+
+    await prefs.setString('groups', _newGroups);
+
+    var snackBar = SnackBar(
+      backgroundColor: Colors.green,
+      content: Text('$name added'),
+    );
+    ScaffoldMessenger.of(context)
+      ..hideCurrentSnackBar()
+      ..showSnackBar(snackBar);
+  }
 }

packages/simplex_app/lib/views/group/group_view.dart

@@ -1,5 +1,6 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
-import 'package:flutter_svg/flutter_svg.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:simplex_chat/animations/bottom_animation.dart';
 import 'package:simplex_chat/app_routes.dart';
@@ -8,14 +9,14 @@ import 'package:simplex_chat/model/group.dart';
 import 'package:simplex_chat/views/conversation/conversation_view.dart';
 
 class GroupView extends StatefulWidget {
-  const GroupView({Key? key}) : super(key: key);
+  const GroupView({Key key}) : super(key: key);
 
   @override
   State<GroupView> createState() => _GroupViewState();
 }
 
 class _GroupViewState extends State<GroupView> {
-  bool? _eraseMedia = false;
+  bool _eraseMedia = false;
   final List<String> _options = [
     'Add group',
     'Scan invitation',
@@ -42,14 +43,28 @@ class _GroupViewState extends State<GroupView> {
   // getting data from local storage FOR NOW!!
   void _getGroups() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
-    final String? _groups = prefs.getString('groups');
+    final String _groups = prefs.getString('groups');
+    if (_groups != null) {
+      setState(() {
+        _groupList = List.from(Group.decode(_groups));
+      });
+    }
+  }
+
+  String _photo = '';
+  String _displayName = '';
+
+  void _getUserData() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
     setState(() {
-      _groupList = List.from(Group.decode(_groups));
+      _displayName = prefs.getString('displayName');
+      _photo = prefs.getString('photo$_displayName');
     });
   }
 
   @override
   void initState() {
+    _getUserData();
     _getGroups();
     super.initState();
   }
@@ -62,15 +77,23 @@ class _GroupViewState extends State<GroupView> {
         padding: const EdgeInsets.symmetric(horizontal: 15.0, vertical: 20.0),
         child: Column(
           children: [
-            Align(
+            Row(
-              alignment: Alignment.centerRight,
+              mainAxisAlignment: MainAxisAlignment.end,
-              child: GestureDetector(
+              children: [
-                onTap: _addNewGroups,
+                Column(
-                child: SvgPicture.asset(
+                  crossAxisAlignment: CrossAxisAlignment.end,
-                  'assets/logo.svg',
+                  children: [
-                  height: 40.0,
+                    Text('Hi! $_displayName', style: kSmallHeadingStyle),
+                    const Text('Good day!'),
+                  ],
                 ),
-              ),
+                const SizedBox(width: 10.0),
+                CircleAvatar(
+                  backgroundImage: _photo.isEmpty
+                      ? const AssetImage('assets/dp.png') as ImageProvider
+                      : FileImage(File(_photo)),
+                ),
+              ],
             ),
             const SizedBox(height: 15.0),
             Row(
@@ -111,11 +134,14 @@ class _GroupViewState extends State<GroupView> {
                       _groupList.length,
                       (index) => WidgetAnimator(
                         child: ListTile(
-                          leading: const CircleAvatar(
+                          leading: CircleAvatar(
-                            backgroundImage: AssetImage('assets/dp.png'),
+                            backgroundImage: _groupList[index].photoPath == ''
+                                ? const AssetImage('assets/dp.png')
+                                    as ImageProvider
+                                : FileImage(File(_groupList[index].photoPath)),
                           ),
-                          title: Text(_groupList[index].groupName!),
+                          title: Text(_groupList[index].groupName),
-                          subtitle: Text(_groupList[index].groupDescription!),
+                          subtitle: Text(_groupList[index].groupDescription),
                           trailing: Text(
                             'Members: ${_groupList[index].members.length}',
                             style: const TextStyle(
@@ -296,10 +322,14 @@ class _GroupViewState extends State<GroupView> {
   }
 
   // dummy ftn for loading new contacts
+  // ignore: unused_element
   void _addNewGroups() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
     List<Group> _localList = [];
-    _localList = List.from(Group.decode(prefs.getString('groups')));
+    final String _local = prefs.getString('groups');
+    if (_local != null) {
+      _localList = List.from(Group.decode(_local));
+    }
 
     List<Group> _groups = [
       Group(

packages/simplex_app/lib/views/home/drawer.dart

@@ -7,19 +7,17 @@ import 'package:simplex_chat/constants.dart';
 import 'package:simplex_chat/providers/drawer_providers.dart';
 
 class MyDrawer extends StatelessWidget {
-  final AnimationController? animationController;
+  const MyDrawer({Key key}) : super(key: key);
-  const MyDrawer({Key? key, this.animationController}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     final _drawerProviders = Provider.of<DrawerProvider>(context);
     return SizedBox(
       width: MediaQuery.of(context).size.width * 0.82,
-      child: Material(
+      child: Padding(
-        color: Colors.white,
+        padding: const EdgeInsets.all(10.0),
-        child: Padding(
+        child: Builder(builder: (context) {
-          padding: const EdgeInsets.all(10.0),
+          return Column(
-          child: Column(
             children: [
               const SizedBox(height: 30.0),
               SvgPicture.asset(
@@ -32,30 +30,22 @@ class MyDrawer extends StatelessWidget {
                     ? kPrimaryColor
                     : Colors.transparent,
                 leading: Icon(
-                  Icons.contact_phone,
+                  Icons.person,
                   color: _drawerProviders.currentIndex == 0
                       ? Colors.white
                       : Colors.grey,
                 ),
                 title: Text(
-                  'Your contacts',
+                  'Your Profile',
                   style: TextStyle(
                     color: _drawerProviders.currentIndex == 0
                         ? Colors.white
                         : Colors.black,
                   ),
                 ),
-                subtitle: Text(
-                  'Start a conversation right away!',
-                  style: TextStyle(
-                    color: _drawerProviders.currentIndex == 0
-                        ? Colors.white
-                        : Colors.grey,
-                  ),
-                ),
                 onTap: () {
                   _drawerProviders.currentIndex = 0;
-                  _drawerProviders.toggle(animationController);
+                  Navigator.pop(context);
                 },
               ),
               ListTile(
@@ -63,30 +53,22 @@ class MyDrawer extends StatelessWidget {
                     ? kPrimaryColor
                     : Colors.transparent,
                 leading: Icon(
-                  Icons.insert_invitation,
+                  Icons.contact_phone,
                   color: _drawerProviders.currentIndex == 1
                       ? Colors.white
                       : Colors.grey,
                 ),
                 title: Text(
-                  'Invitations',
+                  'Your contacts',
                   style: TextStyle(
                     color: _drawerProviders.currentIndex == 1
                         ? Colors.white
                         : Colors.black,
                   ),
                 ),
-                subtitle: Text(
-                  'Increase your contact circle!',
-                  style: TextStyle(
-                    color: _drawerProviders.currentIndex == 1
-                        ? Colors.white
-                        : Colors.grey,
-                  ),
-                ),
                 onTap: () {
                   _drawerProviders.currentIndex = 1;
-                  _drawerProviders.toggle(animationController);
+                  Navigator.pop(context);
                 },
               ),
               ListTile(
@@ -94,47 +76,62 @@ class MyDrawer extends StatelessWidget {
                     ? kPrimaryColor
                     : Colors.transparent,
                 leading: Icon(
-                  Icons.group,
+                  Icons.insert_invitation,
                   color: _drawerProviders.currentIndex == 2
                       ? Colors.white
                       : Colors.grey,
                 ),
                 title: Text(
-                  'Your groups',
+                  'Invitations',
                   style: TextStyle(
                     color: _drawerProviders.currentIndex == 2
                         ? Colors.white
                         : Colors.black,
                   ),
                 ),
-                subtitle: Text(
+                onTap: () {
-                  'Get in touch with numbers!',
+                  _drawerProviders.currentIndex = 2;
+                  Navigator.pop(context);
+                },
+              ),
+              ListTile(
+                tileColor: _drawerProviders.currentIndex == 3
+                    ? kPrimaryColor
+                    : Colors.transparent,
+                leading: Icon(
+                  Icons.group,
+                  color: _drawerProviders.currentIndex == 3
+                      ? Colors.white
+                      : Colors.grey,
+                ),
+                title: Text(
+                  'Your groups',
                   style: TextStyle(
-                    color: _drawerProviders.currentIndex == 2
+                    color: _drawerProviders.currentIndex == 3
                         ? Colors.white
-                        : Colors.grey,
+                        : Colors.black,
                   ),
                 ),
                 onTap: () {
-                  _drawerProviders.currentIndex = 2;
+                  _drawerProviders.currentIndex = 3;
-                  _drawerProviders.toggle(animationController);
+                  Navigator.pop(context);
                 },
               ),
               const Spacer(),
               ListTile(
-                leading: const Icon(Icons.exit_to_app_rounded),
+                leading: const Icon(Icons.refresh),
-                title: const Text('Logout'),
+                title: const Text('Switch Profile'),
-                subtitle: const Text('Good bye! See you soon :)'),
+                subtitle: const Text('*Not supported yet!*'),
-                onTap: () => _logout(context),
+                onTap: () => _switchProfile(context),
               ),
             ],
-          ),
+          );
-        ),
+        }),
       ),
     );
   }
 
-  void _logout(BuildContext context) async {
+  void _switchProfile(BuildContext context) async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
 
     await Navigator.pushNamedAndRemoveUntil(
@@ -142,7 +139,7 @@ class MyDrawer extends StatelessWidget {
       AppRoutes.setupProfile,
       (route) => route.settings.name == AppRoutes.setupProfile ? true : false,
     );
-    String? _name = prefs.getString('displayName');
+    String _name = prefs.getString('displayName');
     await prefs.remove('displayName');
     await prefs.remove('fullName');
     await prefs.remove('photo$_name');

packages/simplex_app/lib/views/home/home_view.dart

@@ -1,4 +1,3 @@
-import 'dart:math' as math;
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_svg/flutter_svg.dart';
@@ -9,138 +8,60 @@ import 'package:simplex_chat/views/contacts/contacts_view.dart';
 import 'package:simplex_chat/views/group/group_view.dart';
 import 'package:simplex_chat/views/home/drawer.dart';
 import 'package:simplex_chat/views/invitations/invitation_view.dart';
+import 'package:simplex_chat/views/profile/profile_view.dart';
 
 class HomeView extends StatefulWidget {
-  final double? maxSlide;
+  final double maxSlide;
-  const HomeView({
+  const HomeView({Key key, this.maxSlide}) : super(key: key);
-    Key? key,
-    this.maxSlide,
-  }) : super(key: key);
 
   @override
   _HomeViewState createState() => _HomeViewState();
 }
 
-class _HomeViewState extends State<HomeView> with TickerProviderStateMixin {
+class _HomeViewState extends State<HomeView> {
-  AnimationController? animationController;
-  bool? _canBeDragged;
-
   // views
   final List<Widget> _views = [
+    const ProfileView(),
     const ContactsView(),
     const Invitations(),
     const GroupView(),
   ];
 
-  @override
-  void initState() {
-    super.initState();
-
-    animationController = AnimationController(
-        vsync: this, duration: const Duration(milliseconds: 250));
-  }
-
   @override
   Widget build(BuildContext context) {
     final _drawerProviders = Provider.of<DrawerProvider>(context);
     return WillPopScope(
       onWillPop: _onWillPop,
-      child: GestureDetector(
+      child: SafeArea(
-        onHorizontalDragStart: _onDragStart,
+        child: Scaffold(
-        onHorizontalDragUpdate: _onDragUpdate,
+          drawer: const Drawer(
-        onHorizontalDragEnd: _onDragEnd,
+            child: MyDrawer(),
-        behavior: HitTestBehavior.translucent,
+          ),
-        child: AnimatedBuilder(
+          body: Builder(builder: (context) {
-          animation: animationController!,
+            return Stack(
-          builder: (context, _) {
+              children: [
-            return Material(
+                _views[_drawerProviders.currentIndex],
-              color: Colors.white70,
+                Positioned(
-              child: SafeArea(
+                  top: MediaQuery.of(context).size.height * 0.03,
-                child: Stack(
+                  left: MediaQuery.of(context).size.width * 0.03,
-                  children: [
+                  child: InkWell(
-                    Transform.translate(
+                    onTap: () {
-                      offset: Offset(
+                      Scaffold.of(context).openDrawer();
-                          widget.maxSlide! * (animationController!.value - 1),
+                    },
-                          0),
+                    child: Padding(
-                      child: Transform(
+                      padding: const EdgeInsets.all(8.0),
-                        transform: Matrix4.identity()
+                      child: SvgPicture.asset('assets/menu.svg'),
-                          ..setEntry(3, 2, 0.001)
-                          ..rotateY(
-                              math.pi / 2 * (1 - animationController!.value)),
-                        alignment: Alignment.centerRight,
-                        child: MyDrawer(
-                          animationController: animationController,
-                        ),
-                      ),
                     ),
-                    Transform.translate(
+                  ),
-                      offset: Offset(
-                          widget.maxSlide! * animationController!.value, 0),
-                      child: Transform(
-                          transform: Matrix4.identity()
-                            ..setEntry(3, 2, 0.001)
-                            ..rotateY(
-                                -math.pi / 2 * animationController!.value),
-                          alignment: Alignment.centerLeft,
-                          child: _views[_drawerProviders.currentIndex]),
-                    ),
-                    Positioned(
-                      top: MediaQuery.of(context).padding.top,
-                      left: MediaQuery.of(context).size.width * 0.03 +
-                          animationController!.value * widget.maxSlide!,
-                      child: InkWell(
-                        onTap: () {
-                          _drawerProviders.toggle(animationController);
-                        },
-                        child: Padding(
-                          padding: const EdgeInsets.all(8.0),
-                          child: SvgPicture.asset(
-                            'assets/menu.svg',
-                          ),
-                        ),
-                      ),
-                    ),
-                  ],
                 ),
-              ),
+              ],
             );
-          },
+          }),
         ),
       ),
     );
   }
 
-  void _onDragStart(DragStartDetails details) {
-    bool isDragOpenFromLeft = animationController!.isDismissed;
-    bool isDragCloseFromRight = animationController!.isCompleted;
-    _canBeDragged = isDragOpenFromLeft || isDragCloseFromRight;
-  }
-
-  void _onDragUpdate(DragUpdateDetails details) {
-    if (_canBeDragged!) {
-      double delta = details.primaryDelta! / widget.maxSlide!;
-      animationController!.value += delta;
-    }
-  }
-
-  void _onDragEnd(DragEndDetails details) {
-    double _kMinFlingVelocity = 365.0;
-
-    if (animationController!.isDismissed || animationController!.isCompleted) {
-      return;
-    }
-    if (details.velocity.pixelsPerSecond.dx.abs() >= _kMinFlingVelocity) {
-      double visualVelocity = details.velocity.pixelsPerSecond.dx /
-          MediaQuery.of(context).size.width;
-
-      animationController!.fling(velocity: visualVelocity);
-    } else if (animationController!.value < 0.5) {
-      animationController!.reverse();
-    } else {
-      animationController!.forward();
-    }
-  }
-
   Future<bool> _onWillPop() async {
     return (await showDialog(
           context: context,

packages/simplex_app/lib/views/invitations/invitation_view.dart

@@ -1,9 +1,33 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
-import 'package:flutter_svg/svg.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:simplex_chat/constants.dart';
 
-class Invitations extends StatelessWidget {
+class Invitations extends StatefulWidget {
-  const Invitations({Key? key}) : super(key: key);
+  const Invitations({Key key}) : super(key: key);
+
+  @override
+  State<Invitations> createState() => _InvitationsState();
+}
+
+class _InvitationsState extends State<Invitations> {
+  String _photo = '';
+  String _displayName = '';
+
+  void _getUserData() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    setState(() {
+      _displayName = prefs.getString('displayName');
+      _photo = prefs.getString('photo$_displayName');
+    });
+  }
+
+  @override
+  void initState() {
+    _getUserData();
+    super.initState();
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -13,12 +37,23 @@ class Invitations extends StatelessWidget {
         padding: const EdgeInsets.symmetric(horizontal: 15.0, vertical: 20.0),
         child: Column(
           children: [
-            Align(
+            Row(
-              alignment: Alignment.centerRight,
+              mainAxisAlignment: MainAxisAlignment.end,
-              child: SvgPicture.asset(
+              children: [
-                'assets/logo.svg',
+                Column(
-                height: 40.0,
+                  crossAxisAlignment: CrossAxisAlignment.end,
-              ),
+                  children: [
+                    Text('Hi! $_displayName', style: kSmallHeadingStyle),
+                    const Text('Good day!'),
+                  ],
+                ),
+                const SizedBox(width: 10.0),
+                CircleAvatar(
+                  backgroundImage: _photo.isEmpty
+                      ? const AssetImage('assets/dp.png') as ImageProvider
+                      : FileImage(File(_photo)),
+                ),
+              ],
             ),
             const SizedBox(height: 15.0),
             Row(

packages/simplex_app/lib/views/onBoarding/intro_view.dart

@@ -4,7 +4,7 @@ import 'package:simplex_chat/app_routes.dart';
 import 'package:simplex_chat/constants.dart';
 
 class IntroView extends StatelessWidget {
-  const IntroView({Key? key}) : super(key: key);
+  const IntroView({Key key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

packages/simplex_app/lib/views/profile/profile_view.dart

@@ -0,0 +1,318 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:simplex_chat/constants.dart';
+import 'package:simplex_chat/widgets/custom_text_field.dart';
+
+class ProfileView extends StatefulWidget {
+  const ProfileView({Key key}) : super(key: key);
+
+  @override
+  _ProfileViewState createState() => _ProfileViewState();
+}
+
+class _ProfileViewState extends State<ProfileView> {
+  final _formKey = GlobalKey<FormState>();
+  // controllers
+  final TextEditingController _displayNameController = TextEditingController();
+  final TextEditingController _fullNameController = TextEditingController();
+
+  // Image Picker --> DP properties
+  final imgPicker = ImagePicker();
+  File image;
+  String _photo = '';
+  bool _uploading = false;
+
+  // image buttons options
+  final _dpBtnText = ['Remove', 'Gallery', 'Camera'];
+  final _dpBtnColors = [Colors.red, Colors.purple, Colors.green];
+  final _dpBtnIcons = [
+    Icons.delete,
+    Icons.photo_rounded,
+    Icons.camera_alt_rounded
+  ];
+
+  String _displayName = '';
+  String _fullName = '';
+
+  void _getUserData() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    setState(() {
+      _fullName = prefs.getString('fullName');
+      _displayName = prefs.getString('displayName');
+      _photo = prefs.getString('photo$_displayName');
+    });
+    _displayNameController.text = _displayName;
+    if (_fullName != null) _fullNameController.text = _fullName;
+  }
+
+  @override
+  void initState() {
+    _getUserData();
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    _displayNameController.dispose();
+    _fullNameController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: GestureDetector(
+        onTap: () => FocusScope.of(context).unfocus(),
+        child: SafeArea(
+          child: SingleChildScrollView(
+            child: Padding(
+              padding: const EdgeInsets.all(12.0),
+              child: Form(
+                key: _formKey,
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.stretch,
+                  children: [
+                    const SizedBox(height: 30),
+                    Center(
+                        child: SizedBox(
+                      height: 180.0,
+                      width: 180.0,
+                      child: Stack(
+                        children: [
+                          _photo != ''
+                              ? CircleAvatar(
+                                  radius: 100.0,
+                                  backgroundImage: FileImage(File(_photo)),
+                                )
+                              : const CircleAvatar(
+                                  radius: 100.0,
+                                  backgroundImage: AssetImage('assets/dp.png'),
+                                ),
+                          Positioned(
+                            right: 0,
+                            bottom: 0,
+                            child: FloatingActionButton(
+                              backgroundColor: kSecondaryColor,
+                              elevation: 2.0,
+                              mini: true,
+                              onPressed: _updateProfilePic,
+                              child: _uploading
+                                  ? const SizedBox(
+                                      height: 18.0,
+                                      width: 18.0,
+                                      child: CircularProgressIndicator(
+                                        strokeWidth: 2.0,
+                                        valueColor:
+                                            AlwaysStoppedAnimation<Color>(
+                                                Colors.white),
+                                      ),
+                                    )
+                                  : const Icon(
+                                      Icons.add_a_photo,
+                                      size: 20,
+                                    ),
+                            ),
+                          )
+                        ],
+                      ),
+                    )),
+                    const SizedBox(height: 25.0),
+                    const Text('Display Name', style: kSmallHeadingStyle),
+                    const SizedBox(height: 10.0),
+                    CustomTextField(
+                      textEditingController: _displayNameController,
+                      textInputType: TextInputType.name,
+                      hintText: 'e.g John',
+                      validatorFtn: (value) {
+                        if (value.isEmpty) {
+                          return 'Display name cannot be empty';
+                        }
+                        return null;
+                      },
+                    ),
+                    const SizedBox(height: 25.0),
+                    const Text('Full Name', style: kSmallHeadingStyle),
+                    const SizedBox(height: 10.0),
+                    CustomTextField(
+                      textEditingController: _fullNameController,
+                      textInputType: TextInputType.name,
+                      hintText: 'e.g John Doe',
+                    ),
+                    const SizedBox(height: 25.0),
+                    const Text(
+                      'Your display name is what your contact will know you :)',
+                      style: TextStyle(letterSpacing: 1.2),
+                    )
+                  ],
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+      floatingActionButton: Visibility(
+        visible: MediaQuery.of(context).viewInsets.bottom == 0,
+        child: FloatingActionButton(
+          heroTag: 'setup',
+          onPressed: () async {
+            if (_formKey.currentState.validate()) {
+              FocusScope.of(context).unfocus();
+              await _createProfile();
+              const snackBar = SnackBar(
+                backgroundColor: Colors.green,
+                content: Text('Profile updated!'),
+              );
+
+              ScaffoldMessenger.of(context)
+                ..hideCurrentSnackBar()
+                ..showSnackBar(snackBar);
+            }
+          },
+          child: const Icon(Icons.check),
+        ),
+      ),
+    );
+  }
+
+  // create profile and store in local
+  Future<void> _createProfile() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    await prefs.setString('displayName', _displayNameController.text.trim());
+    await prefs.setString('fullName', _fullNameController.text.trim());
+    await prefs.setString('photo${_displayNameController.text.trim()}', _photo);
+
+    debugPrint(prefs.getString('photo'));
+  }
+
+  void _updateProfilePic() {
+    showModalBottomSheet(
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.only(
+          topLeft: Radius.circular(10.0),
+          topRight: Radius.circular(10.0),
+        ),
+      ),
+      context: context,
+      builder: (context) => Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 12.0, vertical: 20.0),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Container(
+              decoration: BoxDecoration(
+                  color: Colors.grey,
+                  borderRadius: BorderRadius.circular(360.0)),
+              height: 7.0,
+              width: 50.0,
+            ),
+            const SizedBox(height: 20.0),
+            const Align(
+              alignment: Alignment.centerLeft,
+              child: Text(
+                ' Profile photo',
+                style: kHeadingStyle,
+              ),
+            ),
+            const SizedBox(height: 15.0),
+            Row(
+                children: List.generate(
+              3,
+              (index) => Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  MaterialButton(
+                    color: _dpBtnColors.map((e) => e).elementAt(index),
+                    shape: const CircleBorder(),
+                    onPressed: index == 0
+                        ? () => _removePic()
+                        : index == 1
+                            ? () => _galleryPic()
+                            : () => _cameraPic(),
+                    child: Icon(
+                      _dpBtnIcons.map((e) => e).elementAt(index),
+                      color: Colors.white,
+                    ),
+                  ),
+                  Text(
+                    _dpBtnText.map((e) => e).elementAt(index),
+                    textAlign: TextAlign.center,
+                  )
+                ],
+              ),
+            ))
+          ],
+        ),
+      ),
+    );
+  }
+
+  void _removePic() {
+    setState(() {
+      image = null;
+      _photo = '';
+    });
+    Navigator.pop(context);
+  }
+
+  void _cameraPic() async {
+    try {
+      setState(() {
+        _uploading = true;
+      });
+
+      // picking Image from Camera
+      final file = await imgPicker.getImage(
+        source: ImageSource.camera,
+      );
+
+      if (file != null) {
+        image = File(file.path);
+        setState(() {
+          _uploading = false;
+          _photo = file.path;
+        });
+      } else {
+        setState(() {
+          _uploading = false;
+        });
+      }
+
+      Navigator.pop(context);
+    } catch (e) {
+      rethrow;
+    }
+  }
+
+  void _galleryPic() async {
+    try {
+      debugPrint('gallery pic');
+      setState(() {
+        _uploading = true;
+      });
+
+      // picking Image from local storage
+      final file = await imgPicker.getImage(
+        source: ImageSource.gallery,
+      );
+
+      if (file != null) {
+        image = File(file.path);
+        setState(() {
+          _uploading = false;
+          _photo = file.path;
+        });
+      } else {
+        setState(() {
+          _uploading = false;
+        });
+      }
+
+      Navigator.pop(context);
+    } catch (e) {
+      rethrow;
+    }
+  }
+}

packages/simplex_app/lib/views/scanInvitation/scan_invitation_view.dart

@@ -4,7 +4,7 @@ import 'package:simplex_chat/constants.dart';
 import 'package:simplex_chat/widgets/custom_btn.dart';
 
 class ScanInvitationView extends StatelessWidget {
-  const ScanInvitationView({Key? key}) : super(key: key);
+  const ScanInvitationView({Key key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

packages/simplex_app/lib/views/setup_profile_view.dart

@@ -8,7 +8,7 @@ import 'package:simplex_chat/views/home/home_view.dart';
 import 'package:simplex_chat/widgets/custom_text_field.dart';
 
 class SetupProfileView extends StatefulWidget {
-  const SetupProfileView({Key? key}) : super(key: key);
+  const SetupProfileView({Key key}) : super(key: key);
 
   @override
   _SetupProfileViewState createState() => _SetupProfileViewState();
@@ -22,7 +22,7 @@ class _SetupProfileViewState extends State<SetupProfileView> {
 
   // Image Picker --> DP properties
   final imgPicker = ImagePicker();
-  File? image;
+  File image;
   String photoUrl = '';
   bool _uploading = false;
   bool _imageUploaded = false;
@@ -63,7 +63,7 @@ class _SetupProfileViewState extends State<SetupProfileView> {
                           _imageUploaded
                               ? CircleAvatar(
                                   radius: 100.0,
-                                  backgroundImage: FileImage(image!),
+                                  backgroundImage: FileImage(image),
                                 )
                               : const CircleAvatar(
                                   radius: 100.0,
@@ -105,8 +105,8 @@ class _SetupProfileViewState extends State<SetupProfileView> {
                       textInputType: TextInputType.name,
                       hintText: 'e.g John',
                       validatorFtn: (value) {
-                        if (value!.isEmpty) {
+                        if (value.isEmpty) {
-                          return 'Display name cannot be empty!';
+                          return 'Display name cannot be empty';
                         }
                         return null;
                       },
@@ -118,12 +118,6 @@ class _SetupProfileViewState extends State<SetupProfileView> {
                       textEditingController: _fullNameController,
                       textInputType: TextInputType.name,
                       hintText: 'e.g John Doe',
-                      validatorFtn: (value) {
-                        if (value!.isEmpty) {
-                          return 'Full name cannot be empty!';
-                        }
-                        return null;
-                      },
                     ),
                     const SizedBox(height: 25.0),
                     const Text(
@@ -142,7 +136,7 @@ class _SetupProfileViewState extends State<SetupProfileView> {
         child: FloatingActionButton(
           heroTag: 'setup',
           onPressed: () async {
-            if (_formKey.currentState!.validate()) {
+            if (_formKey.currentState.validate()) {
               FocusScope.of(context).unfocus();
 
               await _createProfile();
@@ -269,6 +263,7 @@ class _SetupProfileViewState extends State<SetupProfileView> {
 
   void _galleryPic() async {
     try {
+      debugPrint('gallery pic');
       setState(() {
         _uploading = true;
       });

packages/simplex_app/lib/views/splash_screen.dart

@@ -1,14 +1,12 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:progress_indicators/progress_indicators.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 import 'package:simplex_chat/animations/entrance_fader.dart';
+import 'package:simplex_chat/app_routes.dart';
 import 'package:simplex_chat/constants.dart';
-import 'package:simplex_chat/views/home/home_view.dart';
-import 'package:simplex_chat/views/onBoarding/intro_view.dart';
 
 class SplashScreen extends StatefulWidget {
-  const SplashScreen({Key? key}) : super(key: key);
+  const SplashScreen({Key key}) : super(key: key);
 
   @override
   _SplashScreenState createState() => _SplashScreenState();
@@ -16,19 +14,11 @@ class SplashScreen extends StatefulWidget {
 
 class _SplashScreenState extends State<SplashScreen> {
   // logincheck
-  void _loginCheck() async {
+  void _loginCheck() {
-    SharedPreferences prefs = await SharedPreferences.getInstance();
-    String? _name = prefs.getString('displayName');
     Future.delayed(const Duration(seconds: 4), () {
-      Navigator.push(
+      Navigator.pushNamed(
         context,
-        MaterialPageRoute(
+        AppRoutes.intro,
-          builder: (_) => _name == null
-              ? const IntroView()
-              : HomeView(
-                  maxSlide: MediaQuery.of(context).size.width * 0.82,
-                ),
-        ),
       );
     });
   }

packages/simplex_app/lib/widgets/custom_btn.dart

@@ -7,13 +7,13 @@ class CustomButton extends StatelessWidget {
       @required this.onPressed,
       @required this.color,
       @required this.child,
-      Key? key})
+      Key key})
       : super(key: key);
-  final double? width;
+  final double width;
-  final double? height;
+  final double height;
-  final void Function()? onPressed;
+  final void Function() onPressed;
-  final Widget? child;
+  final Widget child;
-  final Color? color;
+  final Color color;
 
   @override
   Widget build(BuildContext context) {

packages/simplex_app/lib/widgets/custom_text_field.dart

@@ -1,27 +1,27 @@
 import 'package:flutter/material.dart';
 
 class CustomTextField extends StatefulWidget {
-  final TextEditingController? textEditingController;
+  final TextEditingController textEditingController;
-  final TextInputType? textInputType;
+  final TextInputType textInputType;
-  final FocusNode? node;
+  final FocusNode node;
 
-  final String? hintText;
+  final String hintText;
-  final bool? isPassword;
+  final bool isPassword;
-  final IconData? icon;
+  final IconData icon;
-  final Color? iconColor;
+  final Color iconColor;
-  final Color? passIconColor;
+  final Color passIconColor;
 
-  final IconData? trailing;
+  final IconData trailing;
-  final void Function()? trailingCallBack;
+  final void Function() trailingCallBack;
 
-  final Function(String)? onChangeFtn;
+  final Function(String) onChangeFtn;
-  final void Function()? onEditComplete;
+  final void Function() onEditComplete;
-  final String? Function(String?)? validatorFtn;
+  final String Function(String) validatorFtn;
-  final Function(String)? onFieldSubmit;
+  final Function(String) onFieldSubmit;
-  final String? errorText;
+  final String errorText;
 
   const CustomTextField({
-    Key? key,
+    Key key,
     @required this.textEditingController,
     @required this.textInputType,
     this.trailing,

packages/simplex_app/lib/widgets/message_bubble.dart

@@ -3,14 +3,14 @@ import 'package:simplex_chat/constants.dart';
 
 class MessageBubble extends StatefulWidget {
   const MessageBubble({
-    Key? key,
+    Key key,
     this.sender,
     this.text,
     this.isUser,
   }) : super(key: key);
-  final String? sender;
+  final String sender;
-  final String? text;
+  final String text;
-  final bool? isUser;
+  final bool isUser;
 
   @override
   _MessageBubbleState createState() => _MessageBubbleState();
@@ -23,15 +23,15 @@ class _MessageBubbleState extends State<MessageBubble> {
       padding: const EdgeInsets.all(10),
       child: Column(
         crossAxisAlignment:
-            widget.isUser! ? CrossAxisAlignment.end : CrossAxisAlignment.start,
+            widget.isUser ? CrossAxisAlignment.end : CrossAxisAlignment.start,
         children: <Widget>[
           Text(
-            widget.sender!,
+            widget.sender,
             style: const TextStyle(fontSize: 12, color: Colors.grey),
           ),
           const SizedBox(height: 2.0),
           Material(
-            borderRadius: widget.isUser!
+            borderRadius: widget.isUser
                 ? const BorderRadius.only(
                     topLeft: Radius.circular(10),
                     bottomLeft: Radius.circular(10),
@@ -41,11 +41,11 @@ class _MessageBubbleState extends State<MessageBubble> {
                     bottomLeft: Radius.circular(10),
                     bottomRight: Radius.circular(10)),
             elevation: 1.0,
-            color: widget.isUser! ? Colors.teal : kPrimaryColor,
+            color: widget.isUser ? Colors.teal : kPrimaryColor,
             child: Padding(
               padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 15),
               child: Text(
-                widget.text!,
+                widget.text,
                 style: const TextStyle(fontSize: 15, color: Colors.white),
               ),
             ),

packages/simplex_app/pubspec.yaml

@@ -18,7 +18,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.10.0 <3.0.0"
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions