48 lines
1 KiB
Dart
48 lines
1 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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/// A widget that displays a timer representing the time since the given start time.
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/// The timer is updated every second.
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class Uptime extends StatefulWidget {
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final String startTime;
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final TextStyle? style;
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const Uptime({
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super.key,
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required this.startTime,
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this.style,
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});
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@override
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State<Uptime> createState() => _UptimeState();
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}
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class _UptimeState extends State<Uptime> {
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Timer? _timer;
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@override
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void initState() {
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super.initState();
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_timer =
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Timer.periodic(const Duration(seconds: 1), (timer) => setState(() {}));
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}
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@override
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Widget build(BuildContext context) {
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return Text(
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DateTime.now()
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.difference(DateTime.parse(widget.startTime))
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.toString()
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.split('.')[0],
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style: widget.style
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?.copyWith(fontFeatures: [const FontFeature.tabularFigures()]),
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);
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}
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@override
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void dispose() {
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_timer?.cancel();
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super.dispose();
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}
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}
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