Migrate to flutter_bloc

android/.gitignore

@@ -0,0 +1,7 @@
+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java

android/app/src/main/kotlin/com/example/geosmart/MainActivity.kt

@@ -0,0 +1,6 @@
+package com.example.geosmart
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity() {
+}

ios/.gitignore

@@ -0,0 +1,32 @@
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Flutter.podspec
+Flutter/Generated.xcconfig
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3

ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

lib/bloc/authentication/authentication.dart

@@ -0,0 +1,3 @@
+export 'authentication_bloc.dart';
+export 'authentication_event.dart';
+export 'authentication_state.dart';

lib/bloc/authentication/authentication_bloc.dart

@@ -0,0 +1,38 @@
+import 'package:alice/alice.dart';
+import 'package:dio/dio.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:geosmart/bloc/authentication/authentication_event.dart';
+import 'package:geosmart/bloc/authentication/authentication_state.dart';
+import 'package:geosmart/service/setting_service.dart';
+import 'package:meta/meta.dart';
+
+class AuthenticationBloc
+    extends Bloc<AuthenticationEvent, AuthenticationState> {
+  final Alice alice;
+  final Dio dio;
+
+  AuthenticationBloc({
+    @required this.alice,
+    @required this.dio,
+  }) : super(AuthenticationInitial());
+
+  @override
+  Stream<AuthenticationState> mapEventToState(
+    AuthenticationEvent event,
+  ) async* {
+    if (event is AuthenticationStarted) {
+      yield AuthenticationProgress();
+      final s = await SettingService().getSetting();
+      if (s.isValid()) {
+        yield AuthenticationSuccess();
+      } else {
+        yield AuthenticationFailed();
+      }
+    }
+
+    if (event is AuthenticationClear) {
+      await SettingService().clearSetting();
+      yield AuthenticationFailed();
+    }
+  }
+}

lib/bloc/authentication/authentication_event.dart

@@ -0,0 +1,12 @@
+import 'package:equatable/equatable.dart';
+
+class AuthenticationEvent extends Equatable {
+  const AuthenticationEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class AuthenticationStarted extends AuthenticationEvent {}
+
+class AuthenticationClear extends AuthenticationEvent {}

lib/bloc/authentication/authentication_state.dart

@@ -0,0 +1,16 @@
+import 'package:equatable/equatable.dart';
+
+class AuthenticationState extends Equatable {
+  const AuthenticationState();
+
+  @override
+  List<Object> get props => [];
+}
+
+class AuthenticationInitial extends AuthenticationState {}
+
+class AuthenticationProgress extends AuthenticationState {}
+
+class AuthenticationSuccess extends AuthenticationState {}
+
+class AuthenticationFailed extends AuthenticationState {}

lib/bloc/bloc.dart

@@ -0,0 +1,3 @@
+export 'authentication/authentication.dart';
+export 'position/position.dart';
+export 'setting/setting.dart';

lib/bloc/position/position.dart

@@ -0,0 +1,3 @@
+export 'position_bloc.dart';
+export 'position_event.dart';
+export 'position_state.dart';

lib/bloc/position/position_bloc.dart

@@ -0,0 +1,45 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:geosmart/bloc/authentication/authentication.dart';
+import 'package:geosmart/bloc/position/position_event.dart';
+import 'package:geosmart/bloc/position/position_state.dart';
+import 'package:geosmart/service/position_service.dart';
+import 'package:meta/meta.dart';
+
+class PositionBloc extends Bloc<PositionEvent, PositionState> {
+  final AuthenticationBloc authenticationBloc;
+
+  PositionBloc({@required this.authenticationBloc})
+      : super(PositionTrackingIdle());
+
+  @override
+  Stream<PositionState> mapEventToState(PositionEvent event) async* {
+    if (event is PositionStartTracking) {
+      yield PositionTrackingStarted();
+    }
+    if (event is PositionStopTracking) {
+      try {
+        await PositionService(
+          dio: authenticationBloc.dio,
+        ).stopTracking();
+        yield PositionTrackingIdle();
+      } catch (e) {
+        yield PositionTrackingFailed();
+      }
+    }
+    if (event is PositionSend) {
+      try {
+        PositionService(
+          dio: authenticationBloc.dio,
+        ).sendPosition(
+          event.lat,
+          event.lng,
+        );
+      } catch (_) {
+        await PositionService(
+          dio: authenticationBloc.dio,
+        ).stopTracking();
+        yield PositionTrackingFailed();
+      }
+    }
+  }
+}

lib/bloc/position/position_event.dart

@@ -0,0 +1,25 @@
+import 'package:equatable/equatable.dart';
+
+class PositionEvent extends Equatable {
+  const PositionEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class PositionStartTracking extends PositionEvent {}
+
+class PositionSend extends PositionEvent {
+  final String lat;
+  final String lng;
+
+  const PositionSend({this.lat, this.lng});
+
+  @override
+  List<Object> get props => [this.lat, this.lng];
+
+  @override
+  String toString() => "PositionSend { lat: $lat, lng: $lng }";
+}
+
+class PositionStopTracking extends PositionEvent {}

lib/bloc/position/position_state.dart

@@ -0,0 +1,14 @@
+import 'package:equatable/equatable.dart';
+
+class PositionState extends Equatable {
+  const PositionState();
+
+  @override
+  List<Object> get props => [];
+}
+
+class PositionTrackingIdle extends PositionState {}
+
+class PositionTrackingFailed extends PositionState {}
+
+class PositionTrackingStarted extends PositionState {}

lib/bloc/setting/setting.dart

@@ -0,0 +1,3 @@
+export 'setting_bloc.dart';
+export 'setting_event.dart';
+export 'setting_state.dart';

lib/bloc/setting/setting_bloc.dart

@@ -0,0 +1,40 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:geosmart/bloc/authentication/authentication.dart';
+import 'package:geosmart/bloc/setting/setting_event.dart';
+import 'package:geosmart/bloc/setting/setting_state.dart';
+import 'package:geosmart/model/setting.dart';
+import 'package:geosmart/service/setting_service.dart';
+import 'package:geosmart/service/unique_id_service.dart';
+import 'package:meta/meta.dart';
+
+class SettingBloc extends Bloc<SettingEvent, SettingState> {
+  final AuthenticationBloc authenticationBloc;
+
+  SettingBloc({@required this.authenticationBloc}) : super(SettingInitial());
+
+  @override
+  Stream<SettingState> mapEventToState(SettingEvent event) async* {
+    if (event is SettingSet) {
+      yield SettingProgress();
+      if (event.host != null && event.host != "") {
+        try {
+          final s = await UniqueIDService().getUniqueID(
+            event.host,
+            authenticationBloc.dio,
+          );
+          SettingService().setSetting(SettingModel(
+            event.host,
+            s.id,
+          ));
+          yield SettingSuccess();
+        } catch (_) {
+          yield SettingFailed(
+            message: "Make sure your host is correct and alive.",
+          );
+        }
+      } else {
+        yield SettingFailed(message: "Host cannot null or empty.");
+      }
+    }
+  }
+}

lib/bloc/setting/setting_event.dart

@@ -0,0 +1,23 @@
+import 'package:equatable/equatable.dart';
+import 'package:meta/meta.dart';
+
+class SettingEvent extends Equatable {
+  const SettingEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class SettingSet extends SettingEvent {
+  final String host;
+
+  const SettingSet({@required this.host}) : assert(host != null && host != "");
+
+  @override
+  List<Object> get props => [];
+
+  @override
+  String toString() => "SettingSet { host: $host }";
+}
+
+class SettingClear extends SettingEvent {}

lib/bloc/setting/setting_state.dart

@@ -0,0 +1,26 @@
+import 'package:equatable/equatable.dart';
+
+class SettingState extends Equatable {
+  const SettingState();
+
+  @override
+  List<Object> get props => [];
+}
+
+class SettingInitial extends SettingState {}
+
+class SettingProgress extends SettingState {}
+
+class SettingSuccess extends SettingState {}
+
+class SettingFailed extends SettingState {
+  final String message;
+
+  const SettingFailed({this.message});
+
+  @override
+  List<Object> get props => [this.message];
+
+  @override
+  String toString() => "SettingFailed { message: $message }";
+}

lib/config.dart

@@ -1,4 +1,5 @@
 class Config {
   static const String api = "http://192.168.1.7:8080";
   static const bool dynamicHostSetting = true;
+  static const bool showInterceptor = true;
 }

lib/main.dart

@@ -1,19 +1,71 @@
+import 'package:alice/alice.dart';
+import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
-import 'package:geosmart/page/startup.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:geosmart/config.dart';
+import 'package:geosmart/page/map_page.dart';
+import 'package:geosmart/page/setting_page.dart';
+import 'package:geosmart/page/startup_page.dart';
 
-void main() => runApp(MyApp());
+import 'bloc/bloc.dart';
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  final Alice alice = Alice(showNotification: Config.showInterceptor);
+  final Dio dio = Dio();
+  dio.interceptors.add(alice.getDioInterceptor());
+
+  runApp(
+    MultiBlocProvider(
+      providers: [
+        BlocProvider<AuthenticationBloc>(
+          create: (context) => AuthenticationBloc(
+            alice: alice,
+            dio: dio,
+          )..add(AuthenticationStarted()),
+        ),
+        BlocProvider<SettingBloc>(
+          create: (context) => SettingBloc(
+            authenticationBloc: BlocProvider.of<AuthenticationBloc>(
+              context,
+            ),
+          ),
+        ),
+        BlocProvider<PositionBloc>(
+          create: (context) => PositionBloc(
+            authenticationBloc: BlocProvider.of<AuthenticationBloc>(
+              context,
+            ),
+          ),
+        ),
+      ],
+      child: MyApp(),
+    ),
+  );
+}
 
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    SystemChrome.setEnabledSystemUIOverlays([]);
     return MaterialApp(
       title: 'Geo Smart App',
+      navigatorKey: BlocProvider.of<AuthenticationBloc>(
+        context,
+      ).alice.getNavigatorKey(),
       theme: ThemeData(
         primarySwatch: Colors.blue,
       ),
-      home: Startup(),
+      home: BlocBuilder<AuthenticationBloc, AuthenticationState>(
+        builder: (ctx, state) {
+          if (state is AuthenticationSuccess) {
+            return MapPage();
+          }
+          if (state is AuthenticationFailed) {
+            return SettingPage();
+          }
+          return StartupPage();
+        },
+      ),
     );
   }
 }

lib/model/setting.dart

@@ -12,9 +12,7 @@ class SettingModel {
     return (this.id == "" || this.id == null);
   }
 
-  bool isNullHostId(String operator) {
-    return (operator == "and")
-        ? isNullHost() && isNullId()
-        : isNullHost() || isNullId();
+  bool isValid() {
+    return (!isNullHost() && !isNullId());
   }
 }

lib/page/map.dart

@@ -1,208 +0,0 @@
-import 'dart:async';
-
-import 'package:flutter/material.dart';
-import 'package:fluttertoast/fluttertoast.dart';
-import 'package:geolocator/geolocator.dart' as geo;
-import 'package:geosmart/model/position.dart';
-import 'package:geosmart/model/setting.dart';
-import 'package:geosmart/page/setting.dart';
-import 'package:geosmart/service/position_service.dart';
-import 'package:geosmart/service/setting_service.dart';
-import 'package:google_maps_flutter/google_maps_flutter.dart';
-
-class Map extends StatefulWidget {
-  Map({Key key, this.title}) : super(key: key);
-
-  final String title;
-
-  @override
-  _MapState createState() => _MapState();
-}
-
-class _MapState extends State<Map> {
-  Completer<GoogleMapController> _controller = Completer();
-  double latitude = 0.0;
-  double longitude = 0.0;
-  double altitude = 0.0;
-  double accuracy = 0.0;
-  double bearing = 0.0;
-  double speed = 0.0;
-  PositionService _positionService;
-  SettingService _settingService;
-  bool isChecking = true;
-  Position _position;
-
-  String id;
-  String host;
-
-  bool isGranted = false;
-  bool isTracking = false;
-
-  @override
-  void initState() {
-    super.initState();
-    setState(() {
-      isChecking = true;
-    });
-    _settingService = new SettingService();
-    _positionService = new PositionService();
-    // geo.Geolocator()..forceAndroidLocationManager = true;
-    geo.Geolocator().checkGeolocationPermissionStatus().then(
-      (v) {
-        setState(() {
-          isGranted = true;
-        });
-        var geolocator = geo.Geolocator();
-        var locationOptions = geo.LocationOptions(
-          accuracy: geo.LocationAccuracy.high,
-        );
-
-        geolocator
-            .getPositionStream(locationOptions)
-            .listen((geo.Position position) {
-          if (this.id != null) {
-            setState(() {
-              this._position = Position(
-                id: this.id,
-                lat: position.latitude.toString(),
-                lng: position.longitude.toString(),
-                type: "user",
-              );
-            });
-          } else {
-            stopLocationService();
-            settingPage();
-          }
-          print(
-              "New position detected with lat ${position.latitude} and lng ${position.longitude}");
-          sendLastPosition();
-        });
-
-        _settingService.getSetting().then((v) {
-          this.id = v.id;
-          this.host = v.host;
-
-          if (v.isNullId()) {
-            settingPage();
-          }
-        });
-      },
-    ).catchError((e) {
-      setState(() {
-        isGranted = false;
-      });
-    }).whenComplete(() {
-      setState(() {
-        isChecking = false;
-      });
-    });
-  }
-
-  static final CameraPosition _kGooglePlex = CameraPosition(
-    target: LatLng(-6.914744, 107.609810),
-    zoom: 14.4746,
-  );
-
-  @override
-  Widget build(BuildContext context) {
-    return new Scaffold(
-      body: Stack(
-        children: <Widget>[
-          GoogleMap(
-            mapType: MapType.normal,
-            initialCameraPosition: _kGooglePlex,
-            myLocationEnabled: true,
-            myLocationButtonEnabled: true,
-            onMapCreated: (GoogleMapController controller) {
-              _controller.complete(controller);
-            },
-          ),
-          Container(
-            child: Image.asset("assets/images/logo.png"),
-            width: 70,
-            height: 70,
-            alignment: Alignment.topLeft,
-            margin: EdgeInsets.only(left: 10.0),
-          ),
-          Container(
-            child: FlatButton(
-              color: (isTracking) ? Colors.redAccent : Colors.green,
-              onPressed: toggleTracking,
-              child: Text(
-                (isChecking)
-                    ? "Please wait"
-                    : ((isTracking) ? "Stop Tracking" : "Start Tracking"),
-                style: TextStyle(color: Colors.white),
-              ),
-            ),
-            margin: EdgeInsets.only(bottom: 50.0),
-            alignment: Alignment.bottomCenter,
-          )
-        ],
-      ),
-    );
-  }
-
-  toggleTracking() {
-    if (!isChecking) {
-      if (isGranted) {
-        if (isTracking) {
-          stopLocationService();
-        } else {
-          sendLastPosition();
-        }
-        setState(() {
-          isTracking = !isTracking;
-        });
-      } else {
-        FlutterToast.showToast(
-          msg: "Make sure you have turn on location services",
-        );
-      }
-    }
-  }
-
-  stopLocationService() {
-    if (_positionService != null) {
-      _positionService.stopTracking();
-    }
-  }
-
-  settingPage() {
-    Navigator.of(context).pushReplacement(new MaterialPageRoute(
-      builder: (BuildContext context) => Setting(),
-    ));
-  }
-
-  sendLastPosition() async {
-    SettingModel m = await _settingService.getSetting();
-    print("Prepare to Send last location with ID : ${m.id} to ${m.host}");
-    if (this._position != null) {
-      if (this._position.isValid()) {
-        if (_positionService != null) {
-          print("Lat ${_position.lat}, Lng ${_position.lng}");
-          if (isTracking) {
-            print("Send tracking location");
-            _positionService.sendPosition(
-              this._position.lat.toString(),
-              this._position.lng.toString(),
-            );
-          }
-        } else {
-          FlutterToast.showToast(
-            msg: "Failed to start position service",
-          );
-          settingPage();
-        }
-      } else {
-        print("Invalid Position");
-      }
-    }
-  }
-
-  @override
-  void dispose() {
-    super.dispose();
-    stopLocationService();
-  }
-}

lib/page/map_page.dart

@@ -0,0 +1,139 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:geolocator/geolocator.dart' as geo;
+import 'package:geosmart/bloc/bloc.dart';
+import 'package:google_maps_flutter/google_maps_flutter.dart';
+
+class MapPage extends StatefulWidget {
+  MapPage({Key key, this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  _MapPageState createState() => _MapPageState();
+}
+
+class _MapPageState extends State<MapPage> {
+  Completer<GoogleMapController> _controller = Completer();
+  bool isChecking = true;
+  bool isGranted = false;
+  bool isTracking = false;
+
+  @override
+  void initState() {
+    super.initState();
+    setState(() {
+      isChecking = true;
+    });
+    // geo.Geolocator()..forceAndroidLocationManager = true;
+    geo.Geolocator().checkGeolocationPermissionStatus().then(
+      (v) {
+        isGranted = true;
+        var geolocator = geo.Geolocator();
+        var locationOptions = geo.LocationOptions(
+          accuracy: geo.LocationAccuracy.high,
+        );
+
+        geolocator.getPositionStream(locationOptions).listen(
+          (geo.Position position) {
+            if (isTracking && isGranted) {
+              BlocProvider.of<PositionBloc>(context).add(
+                PositionSend(
+                  lat: position.latitude.toString(),
+                  lng: position.longitude.toString(),
+                ),
+              );
+            }
+          },
+        );
+      },
+    ).catchError((e) {
+      isGranted = false;
+    }).whenComplete(() {
+      setState(() {
+        isChecking = false;
+      });
+    });
+  }
+
+  static final CameraPosition _kGooglePlex = CameraPosition(
+    target: LatLng(-6.914744, 107.609810),
+    zoom: 14.4746,
+  );
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: BlocListener<PositionBloc, PositionState>(
+        listener: (ctx, state) {
+          if (state is PositionTrackingFailed) {
+            BlocProvider.of<AuthenticationBloc>(ctx).add(
+              AuthenticationClear(),
+            );
+          }
+          if (state is PositionTrackingStarted) {
+            isTracking = true;
+          }
+          if (state is PositionTrackingIdle) {
+            isTracking = false;
+          }
+        },
+        child: BlocBuilder<PositionBloc, PositionState>(
+          builder: (ctx, state) {
+            return Stack(
+              children: <Widget>[
+                GoogleMap(
+                  mapType: MapType.normal,
+                  initialCameraPosition: _kGooglePlex,
+                  myLocationEnabled: true,
+                  myLocationButtonEnabled: true,
+                  onMapCreated: (GoogleMapController controller) {
+                    _controller.complete(controller);
+                  },
+                ),
+                Container(
+                  child: Image.asset("assets/images/logo.png"),
+                  width: 70,
+                  height: 70,
+                  alignment: Alignment.topLeft,
+                  margin: EdgeInsets.only(left: 10.0),
+                ),
+                Container(
+                  child: FlatButton(
+                    color: (state is PositionTrackingStarted)
+                        ? Colors.redAccent
+                        : Colors.green,
+                    onPressed: () async {
+                      if (state is PositionTrackingStarted) {
+                        BlocProvider.of<PositionBloc>(ctx).add(
+                          PositionStopTracking(),
+                        );
+                      }
+                      if (state is PositionTrackingIdle) {
+                        BlocProvider.of<PositionBloc>(ctx).add(
+                          PositionStartTracking(),
+                        );
+                      }
+                    },
+                    child: Text(
+                      (isChecking)
+                          ? "Please wait"
+                          : (state is PositionTrackingStarted
+                              ? "Stop Tracking"
+                              : "Start Tracking"),
+                      style: TextStyle(color: Colors.white),
+                    ),
+                  ),
+                  margin: EdgeInsets.only(bottom: 50.0),
+                  alignment: Alignment.bottomCenter,
+                )
+              ],
+            );
+          },
+        ),
+      ),
+    );
+  }
+}

lib/page/setting.dart

@@ -1,165 +0,0 @@
-import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
-import 'package:fluttertoast/fluttertoast.dart';
-import 'package:geosmart/config.dart';
-import 'package:geosmart/model/setting.dart';
-import 'package:geosmart/page/map.dart';
-import 'package:geosmart/service/setting_service.dart';
-import 'package:geosmart/service/unique_id_service.dart';
-
-class Setting extends StatefulWidget {
-  @override
-  State<StatefulWidget> createState() {
-    return new _SettingState();
-  }
-}
-
-class _SettingState extends State<Setting> {
-  final _hostController = TextEditingController();
-  SettingService _settingBloc;
-  UniqueIDService _uniqueIDBloc;
-  String id;
-  String host;
-
-  @override
-  void initState() {
-    _settingBloc = new SettingService();
-
-    if (!Config.dynamicHostSetting) {
-      _settingBloc.setSetting(new SettingModel(Config.api, null));
-    }
-
-    _settingBloc.getSetting().then((settingModel) {
-      if (!settingModel.isNullId()) {
-        this.id = settingModel.id;
-      }
-      if (!settingModel.isNullHost()) {
-        this.host = settingModel.host;
-      }
-
-      _hostController.text = this.host;
-
-      if (!settingModel.isNullHost()) {
-        _uniqueIDBloc = new UniqueIDService(settingModel);
-
-        if (_uniqueIDBloc != null) {
-          this._uniqueIDBloc.getUniqueID().then((uniqueId) {
-            print("Your Unique ID " + uniqueId.id.toString());
-            if (uniqueId.id != null && uniqueId.id != "") {
-              if (!settingModel.isNullId()) {
-                mapPage();
-              } else {
-                this._settingBloc.setSetting(
-                      new SettingModel(this._hostController.text, uniqueId.id),
-                    );
-                mapPage();
-              }
-            } else {
-              FlutterToast.showToast(msg: "Invalid host address");
-            }
-          });
-        }
-      }
-    });
-    super.initState();
-  }
-
-  mapPage() {
-    Navigator.of(context).pushReplacement(new MaterialPageRoute(
-      builder: (BuildContext context) => Map(),
-    ));
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      body: Container(
-        child: Center(
-          child: Container(
-            child: Column(
-              children: <Widget>[
-                Container(
-                  decoration: BoxDecoration(
-                    image: DecorationImage(
-                      image: AssetImage("assets/images/server.png"),
-                    ),
-                  ),
-                  height: 200,
-                ),
-                SizedBox(
-                  height: 30,
-                ),
-                TextField(
-                  controller: this._hostController,
-                  decoration: InputDecoration(
-                    labelText: "Host",
-                    border: OutlineInputBorder(),
-                  ),
-                ),
-                SizedBox(
-                  height: 10.0,
-                ),
-                Container(
-                  width: double.infinity,
-                  child: FlatButton(
-                    color: Colors.blueAccent,
-                    onPressed: () {
-                      this
-                          ._settingBloc
-                          .setSetting(
-                            new SettingModel(this._hostController.text, null),
-                          )
-                          .then((settingModel) {
-                        if (!settingModel.isNullId()) {
-                          this.id = settingModel.id;
-                        }
-                        if (!settingModel.isNullHost()) {
-                          this.host = settingModel.host;
-                        }
-
-                        _hostController.text = this.host;
-
-                        if (!settingModel.isNullHost()) {
-                          _uniqueIDBloc = new UniqueIDService(settingModel);
-
-                          if (_uniqueIDBloc != null) {
-                            this._uniqueIDBloc.getUniqueID().then((uniqueId) {
-                              print("Your Unique ID " + uniqueId.id.toString());
-                              if (uniqueId.id != null && uniqueId.id != "") {
-                                if (!settingModel.isNullId()) {
-                                  mapPage();
-                                } else {
-                                  this._settingBloc.setSetting(
-                                        new SettingModel(
-                                          this._hostController.text,
-                                          uniqueId.id,
-                                        ),
-                                      );
-                                  mapPage();
-                                }
-                              } else {
-                                FlutterToast.showToast(
-                                  msg: "Invalid host address",
-                                );
-                              }
-                            });
-                          }
-                        }
-                      });
-                    },
-                    child: Text(
-                      "Save",
-                      style: TextStyle(color: Colors.white),
-                    ),
-                  ),
-                )
-              ],
-            ),
-            width: 200,
-            height: 400,
-          ),
-        ),
-      ),
-    );
-  }
-}

lib/page/setting_page.dart

@@ -0,0 +1,85 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:geosmart/bloc/bloc.dart';
+
+class SettingPage extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return new _SettingPageState();
+  }
+}
+
+class _SettingPageState extends State<SettingPage> {
+  final _hostController = TextEditingController();
+  final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      key: _scaffoldKey,
+      body: BlocListener<SettingBloc, SettingState>(
+        listener: (ctx, state) {
+          if (state is SettingFailed) {
+            _scaffoldKey.currentState.showSnackBar(SnackBar(
+              content: Text(state.message),
+              duration: Duration(seconds: 3),
+            ));
+          }
+          if (state is SettingSuccess) {
+            BlocProvider.of<AuthenticationBloc>(ctx).add(
+              AuthenticationStarted(),
+            );
+          }
+        },
+        child: Container(
+          child: Center(
+            child: Container(
+              child: Column(
+                children: <Widget>[
+                  Container(
+                    decoration: BoxDecoration(
+                      image: DecorationImage(
+                        image: AssetImage("assets/images/server.png"),
+                      ),
+                    ),
+                    height: 200,
+                  ),
+                  SizedBox(
+                    height: 30,
+                  ),
+                  TextField(
+                    controller: this._hostController,
+                    decoration: InputDecoration(
+                      labelText: "Host",
+                      border: OutlineInputBorder(),
+                    ),
+                  ),
+                  SizedBox(
+                    height: 10.0,
+                  ),
+                  Container(
+                    width: double.infinity,
+                    child: FlatButton(
+                      color: Colors.blueAccent,
+                      onPressed: () {
+                        BlocProvider.of<SettingBloc>(context).add(
+                          SettingSet(host: _hostController.text),
+                        );
+                      },
+                      child: Text(
+                        "Save",
+                        style: TextStyle(color: Colors.white),
+                      ),
+                    ),
+                  )
+                ],
+              ),
+              width: 200,
+              height: 400,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/page/startup.dart

@@ -1,60 +0,0 @@
-import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
-import 'package:geosmart/component/loader.dart';
-import 'package:geosmart/page/map.dart';
-import 'package:geosmart/page/setting.dart';
-import 'package:geosmart/service/setting_service.dart';
-
-class Startup extends StatefulWidget {
-  @override
-  State createState() {
-    return new _StartupState();
-  }
-}
-
-class _StartupState extends State<Startup> {
-  SettingService _settingService;
-
-  @override
-  void initState() {
-    _settingService = new SettingService();
-
-    _settingService.getSetting().then((settingModel) {
-      if (settingModel.isNullHost() && settingModel.isNullId()) {
-        Navigator.of(context).pushReplacement(new MaterialPageRoute(
-          builder: (BuildContext context) => Setting(),
-        ));
-      } else {
-        Navigator.of(context).pushReplacement(new MaterialPageRoute(
-          builder: (BuildContext context) => Map(),
-        ));
-      }
-    });
-    super.initState();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      body: Center(
-        child: Container(
-          child: Column(
-            children: <Widget>[
-              Loader(),
-              SizedBox(
-                height: 20.0,
-              ),
-              Text("Preparing System")
-            ],
-          ),
-          height: 50,
-        ),
-      ),
-    );
-  }
-
-  @override
-  void dispose() {
-    super.dispose();
-  }
-}

lib/page/startup_page.dart

@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:geosmart/component/loader.dart';
+
+class StartupPage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: Container(
+          child: Column(
+            children: <Widget>[
+              Loader(),
+              SizedBox(
+                height: 20.0,
+              ),
+              Text("Preparing System")
+            ],
+          ),
+          height: 50,
+        ),
+      ),
+    );
+  }
+}

lib/service/position_service.dart

@@ -2,12 +2,15 @@ import 'package:dio/dio.dart';
 import 'package:geosmart/model/position.dart';
 import 'package:geosmart/model/response.dart';
 import 'package:geosmart/service/setting_service.dart';
+import 'package:meta/meta.dart';
 
 class PositionService {
-  final Dio _dio = Dio();
+  final Dio dio;
   final SettingService _settingBloc = SettingService();
 
-  PositionService();
+  PositionService({
+    @required this.dio,
+  });
 
   Future<ResponseModel> sendPosition(String lat, String lng) async {
     var m = await _settingBloc.getSetting();
@@ -18,25 +21,20 @@ class PositionService {
       lng: lng,
     );
     try {
-      Response response = await _dio.post(
+      Response response = await dio.post(
         m.host + "/point/set",
         data: position.toJson(),
       );
       return ResponseModel.fromJson(response.data);
     } on DioError catch (e) {
-      print(e.response);
-      if (e.response != null) {
-        return ResponseModel.fromJson(e.response.data);
-      } else {
-        return ResponseModel.fromNull();
-      }
+      throw (e);
     }
   }
 
   Future<ResponseModel> stopTracking() async {
     var m = await _settingBloc.getSetting();
     try {
-      Response response = await _dio.post(
+      Response response = await dio.post(
         m.host + "/point/unset",
         data: {
           "id": m.id,
@@ -45,7 +43,7 @@ class PositionService {
       );
       return ResponseModel.fromJson(response.data);
     } on DioError catch (e) {
-      return ResponseModel.fromJson(e.response.data);
+      throw (e);
     }
   }
 }

lib/service/setting_service.dart

@@ -16,9 +16,16 @@ class SettingService {
     return await getSetting();
   }
 
+  Future<SettingModel> clearSetting() async {
+    SharedPreferences sharedPreferences = await this.getSharedPreferences();
+    sharedPreferences.remove(_host);
+    sharedPreferences.remove(_id);
+    return await getSetting();
+  }
+
   Future<SettingModel> getSetting() async {
     SharedPreferences sharedPreferences = await this.getSharedPreferences();
-    return new SettingModel(
+    return SettingModel(
       sharedPreferences.getString(_host),
       sharedPreferences.getString(_id),
     );

lib/service/unique_id_service.dart

@@ -1,22 +1,17 @@
 import 'package:dio/dio.dart';
-import 'package:geosmart/model/setting.dart';
 import 'package:geosmart/model/unique_id_model.dart';
 
 class UniqueIDService {
   final String _endpoint = "/id/get/unique";
-  final Dio _dio = Dio();
-  SettingModel _settingModel;
 
-  UniqueIDService(this._settingModel);
-
-  Future<UniqueIDModel> getUniqueID() async {
+  Future<UniqueIDModel> getUniqueID(String host, Dio dio) async {
     try {
-      Response response = await _dio.get(
-        this._settingModel.host + _endpoint,
+      Response response = await dio.get(
+        host + _endpoint,
       );
       return UniqueIDModel.fromJson(response.data);
     } on DioError catch (e) {
-      return UniqueIDModel.error();
+      throw (e);
     }
   }
 }

pubspec.lock

@@ -1,6 +1,13 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  alice:
+    dependency: "direct main"
+    description:
+      name: alice
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   archive:
     dependency: transitive
     description:
@@ -22,6 +29,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.4.1"
+  bloc:
+    dependency: transitive
+    description:
+      name: bloc
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.1"
   boolean_selector:
     dependency: transitive
     description:
@@ -36,6 +50,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.3"
+  chewie:
+    dependency: transitive
+    description:
+      name: chewie
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.10"
+  chopper:
+    dependency: transitive
+    description:
+      name: chopper
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.3"
   collection:
     dependency: transitive
     description:
@@ -72,17 +100,52 @@ packages:
     source: hosted
     version: "3.0.9"
   equatable:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: equatable
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.2.1"
   flutter:
     dependency: "direct main"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_bloc:
+    dependency: "direct main"
+    description:
+      name: flutter_bloc
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.1"
+  flutter_local_notifications:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.4+2"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -100,13 +163,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  fluttertoast:
-    dependency: "direct main"
-    description:
-      name: fluttertoast
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "5.0.1"
   geolocator:
     dependency: "direct main"
     description:
@@ -156,6 +212,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.12"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.16.1"
   location_permissions:
     dependency: transitive
     description:
@@ -163,6 +226,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.0.0+1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.11.4"
   matcher:
     dependency: transitive
     description:
@@ -177,6 +247,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.8"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4"
+  open_file:
+    dependency: transitive
+    description:
+      name: open_file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  open_iconic_flutter:
+    dependency: transitive
+    description:
+      name: open_iconic_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.0"
+  package_info:
+    dependency: transitive
+    description:
+      name: package_info
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.1"
   path:
     dependency: transitive
     description:
@@ -184,6 +282,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.6.4"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.6.11"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+2"
+  path_provider_macos:
+    dependency: transitive
+    description:
+      name: path_provider_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4+3"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   pedantic:
     dependency: transitive
     description:
@@ -191,6 +317,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.9.0"
+  permission_handler:
+    dependency: transitive
+    description:
+      name: permission_handler
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.1+1"
+  permission_handler_platform_interface:
+    dependency: transitive
+    description:
+      name: permission_handler_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
   petitparser:
     dependency: transitive
     description:
@@ -198,6 +338,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.4.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.1"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -205,6 +352,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.2"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.13"
+  provider:
+    dependency: transitive
+    description:
+      name: provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.3.1"
   quiver:
     dependency: transitive
     description:
@@ -219,6 +380,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.24.1"
+  sensors:
+    dependency: transitive
+    description:
+      name: sensors
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.2+2"
+  shake:
+    dependency: transitive
+    description:
+      name: shake
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.0"
+  share:
+    dependency: transitive
+    description:
+      name: share
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4+3"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -315,6 +497,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.8"
+  video_player:
+    dependency: transitive
+    description:
+      name: video_player
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.11+2"
+  video_player_platform_interface:
+    dependency: transitive
+    description:
+      name: video_player_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  video_player_web:
+    dependency: transitive
+    description:
+      name: video_player_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3+2"
+  wakelock:
+    dependency: transitive
+    description:
+      name: wakelock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4+2"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.0"
   xml:
     dependency: transitive
     description:

pubspec.yaml

@@ -34,7 +34,9 @@ dependencies:
   shared_preferences: ^0.5.7+3
   rxdart: ^0.24.1
   dio: ^3.0.9
-  fluttertoast: ^5.0.1
+  flutter_bloc: ^6.0.1
+  equatable: ^1.2.3
+  alice: ^0.1.3
 
 dev_dependencies:
   flutter_test: