refactor: use provider

lib/main.dart

@@ -2,7 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:git_touch/screens/repo.dart';
 import 'package:primer/primer.dart';
-import 'providers/notification.dart';
+import 'package:provider/provider.dart';
+import 'package:git_touch/models/notification.dart';
 import 'providers/settings.dart';
 import 'screens/news.dart';
 import 'screens/notifications.dart';
@@ -25,7 +26,7 @@ class _HomeState extends State<Home> {
   // String login;
 
   Widget _buildNotificationIcon(BuildContext context) {
-    int count = NotificationProvider.of(context).count;
+    int count = Provider.of<NotificationModel>(context).count;
     if (count == 0) {
       return Icon(Icons.notifications_none);
     }
@@ -158,19 +159,12 @@ class _HomeState extends State<Home> {
 
 class App extends StatelessWidget {
   @override
-  build(context) {
-    return NotificationProvider(
-      child: SettingsProvider(
-        child: DefaultTextStyle(
-          style: TextStyle(color: Colors.black),
-          child: Home(),
-          // theme: ThemeData(
-          //   textTheme: TextTheme(
-          //     title: TextStyle(color: Colors.red),
-          //   ),
-          // ),
-        ),
-      ),
+  Widget build(BuildContext context) {
+    return MultiProvider(
+      providers: [
+        ChangeNotifierProvider(builder: (context) => NotificationModel()),
+      ],
+      child: SettingsProvider(child: Home()),
     );
   }
 }

lib/models/notification.dart

@@ -0,0 +1,11 @@
+import 'package:flutter/material.dart';
+
+class NotificationModel with ChangeNotifier {
+  int _count = 0;
+  int get count => _count;
+
+  setCount(int v) {
+    _count = v;
+    notifyListeners();
+  }
+}

lib/providers/notification.dart

@@ -1,52 +0,0 @@
-import 'package:flutter/material.dart';
-
-class NotificationProvider extends StatefulWidget {
-  final Widget child;
-
-  NotificationProvider({@required this.child});
-
-  static _NotificationProviderState of(BuildContext context) {
-    return (context.inheritFromWidgetOfExactType(_InheritedNotificationProvider)
-            as _InheritedNotificationProvider)
-        .data;
-  }
-
-  @override
-  _NotificationProviderState createState() => new _NotificationProviderState();
-}
-
-class _NotificationProviderState extends State<NotificationProvider> {
-  int count = 0;
-
-  @override
-  void initState() {
-    super.initState();
-  }
-
-  void setCount(int value) {
-    setState(() {
-      count = value;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return new _InheritedNotificationProvider(
-      data: this,
-      child: widget.child,
-    );
-  }
-}
-
-class _InheritedNotificationProvider extends InheritedWidget {
-  final _NotificationProviderState data;
-
-  _InheritedNotificationProvider({
-    Key key,
-    @required this.data,
-    @required Widget child,
-  }) : super(key: key, child: child);
-
-  @override
-  bool updateShouldNotify(_InheritedNotificationProvider old) => true;
-}

lib/screens/notifications.dart

@@ -1,7 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:provider/provider.dart';
 import '../scaffolds/refresh_stateless.dart';
-import '../providers/notification.dart';
+import 'package:git_touch/models/notification.dart';
 import '../providers/settings.dart';
 import '../widgets/notification_item.dart';
 import '../widgets/list_group.dart';
@@ -54,7 +55,7 @@ class NotificationScreenState extends State<NotificationScreen> {
     var ns = items.map((item) => NotificationPayload.fromJson(item)).toList();
 
     if (index == 0) {
-      NotificationProvider.of(context).setCount(ns.length);
+      Provider.of<NotificationModel>(context).setCount(ns.length);
     }
 
     Map<String, NotificationGroup> _groupMap = {};

pubspec.yaml

@@ -31,6 +31,7 @@ dependencies:
   launch_review: ^2.0.0
   flutter_highlight: ^0.3.0
   timeago: ^2.0.18
+  provider: ^3.1.0
   primer:
     git:
       url: git://github.com/pd4d10/primer-flutter