65 lines
1.9 KiB
Dart
65 lines
1.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'placeholder_widget.dart';
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class Home extends StatelessWidget {
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final List<Object> _curSport = ['FootBall', Colors.green];
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final List<Item> colorList = <Item>[
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const Item("FootBall", Colors.red),
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const Item("Soccer", Colors.pinkAccent),
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const Item('Baseball', Colors.yellow),
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];
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final List<Widget> _children = [
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PlaceholderWidget(Colors.white),
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PlaceholderWidget(Colors.orange),
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PlaceholderWidget(Colors.blue),
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PlaceholderWidget(Colors.red),
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PlaceholderWidget(Colors.black38),
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];
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@override
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Widget build(BuildContext context) {
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Item selectedSport;
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return StatefulBuilder(
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builder: (context, StateSetter setState) => Scaffold(
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appBar: AppBar(
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centerTitle: true,
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title: DropdownButton<Item>(
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value: selectedSport,
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icon: Icon(Icons.arrow_drop_down),
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iconSize: 24,
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style: TextStyle(color: Colors.black),
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iconEnabledColor: Colors.white,
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onChanged: (Item value) {
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setState(() {
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selectedSport = value;
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_curSport[0] = selectedSport.name;
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_curSport[1] = selectedSport.color;
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});
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},
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items: colorList.map<DropdownMenuItem<Item>>((Item item) {
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return DropdownMenuItem<Item>(
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value: item,
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child: SizedBox(
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width: 100,
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child: Text(item.name),
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),
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);
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}).toList(),
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),
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backgroundColor: _curSport[1],
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),
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body: _children[2],
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));
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}
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}
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class Item {
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const Item(this.name, this.color);
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final String name;
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final Color color;
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}
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