54 lines
1.4 KiB
Dart
54 lines
1.4 KiB
Dart
import 'package:flutter/material.dart';
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class DynamicColorScheme extends StatefulWidget {
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final Color Function(Brightness brightness) data;
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final Widget Function(BuildContext context, ColorScheme colorScheme) builder;
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const DynamicColorScheme({
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required this.data,
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required this.builder,
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super.key,
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});
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@override
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createState() => _DynamicColorSchemeState();
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}
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class _DynamicColorSchemeState extends State<DynamicColorScheme> {
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late final ValueNotifier<Brightness> brightness;
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@override
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void initState() {
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super.initState();
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brightness = ValueNotifier(MediaQuery.of(context).platformBrightness);
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}
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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brightness.value = MediaQuery.of(context).platformBrightness;
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}
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@override
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Widget build(BuildContext context) {
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return ValueListenableBuilder<Brightness>(
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valueListenable: brightness,
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builder: (context, platformBrightness, child) {
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final colorScheme = ColorScheme.fromSwatch(
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brightness: platformBrightness,
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primarySwatch: Colors.blue,
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accentColor: Colors.blueAccent,
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).copyWith(
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secondary: Colors.red,
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);
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final color = widget.data(platformBrightness);
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return widget.builder(
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context,
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colorScheme.copyWith(
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primary: color,
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),);
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},
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);
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}
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}
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