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完成空安全转换

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toly
2021-08-29 11:29:45 +08:00
parent 8a5a57f5ac
commit 5806f35f54
319 changed files with 2638 additions and 2019 deletions
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12
lib/views/widgets/ProxyWidget/DropdownButtonHideUnderline/node1_base.dart
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@@ -19,8 +19,13 @@ class CustomDropDownButtonHideUnderline extends StatefulWidget {
class _CustomDropDownButtonHideUnderlineState
extends State<CustomDropDownButtonHideUnderline> {
Color _color = Colors.red;
final _colors = [Colors.red, Colors.yellow, Colors.blue, Colors.green];
final _info = ["红色", "黄色", "蓝色", "绿色"];
final List<Color> _colors = [
Colors.red,
Colors.yellow,
Colors.blue,
Colors.green
];
final List<String> _info = ["红色", "黄色", "蓝色", "绿色"];
@override
Widget build(BuildContext context) {
@@ -42,7 +47,8 @@ class _CustomDropDownButtonHideUnderlineState
color: _color,
),
items: _buildItems(),
onChanged: (v) => setState(() => _color = v)),
onChanged: (Color? color) =>
setState(() => _color = color ?? _color)),
),
],
);