65 lines
1.4 KiB
Dart
65 lines
1.4 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:real_time_chart/real_time_chart.dart';
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void main() {
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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theme: ThemeData(
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primarySwatch: Colors.blue,
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),
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home: const MyHomePage(title: 'Flutter Demo Home Page'),
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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final String title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.black,
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appBar: AppBar(
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title: Text(widget.title),
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),
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body: Center(
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child: Container(
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color: Colors.red,
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width: MediaQuery.of(context).size.width,
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height: MediaQuery.of(context).size.width,
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child: RealTimeGraph(
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key: const Key('LiveGraph'),
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stream: getDataStream(),
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),
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),
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),
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);
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}
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int count = 0;
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bool up = true;
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Stream<double> getDataStream() {
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return Stream.periodic(const Duration(milliseconds: 500), (_) {
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return Random().nextInt(300).toDouble();
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});
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}
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}
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