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