flutter pub add flutter_picker根據套件公開資料產生的選型評估，僅供參考。
Flutter Picker 是一個多功能的 Flutter 插件，提供多種選擇器組件，包括 NumberPicker、DateTimePicker、ArrayPicker 和預設的連結選擇器。它提供靈活的設定選項，可自訂外觀與行為，適用於各種表單輸入與選擇工作流程。設計上易於整合，支援動態資料繫結以及在不同使用情境下的順暢使用者互動。
以下為關聯原始碼儲存庫的 README 原文快照，最新內容請造訪原始碼儲存庫。
Flutter plugin picker. Include NumberPicker, DateTimePicker, ArrayPicker, and default linkage Picker. Provide flexible parameters to meet various needs. At the same time, you can extend more functions through custom adapters.
Supported Platforms
- Android
- IOS
- Windows
- MacOS
- Linux
- Web
# add this line to your dependencies
flutter_picker:
git:
url: https://github.com/yangyxd/flutter_picker.git
import 'package:flutter_picker/flutter_picker.dart';
showPicker(BuildContext context) {
Picker picker = new Picker(
adapter: PickerDataAdapter<String>(pickerdata: new JsonDecoder().convert(PickerData)),
changeToFirst: true,
textAlign: TextAlign.left,
columnPadding: const EdgeInsets.all(8.0),
onConfirm: (Picker picker, List value) {
print(value.toString());
print(picker.getSelectedValues());
}
);
picker.show(_scaffoldKey.currentState);
}
showPickerModal(BuildContext context) {
new Picker(
adapter: PickerDataAdapter<String>(pickerdata: new JsonDecoder().convert(PickerData)),
changeToFirst: true,
hideHeader: false,
onConfirm: (Picker picker, List value) {
print(value.toString());
print(picker.adapter.text);
}
).showModal(this.context); //_scaffoldKey.currentState);
}
showPickerIcons(BuildContext context) {
new Picker(
adapter: PickerDataAdapter(data: [
new PickerItem(text: Icon(Icons.add), value: Icons.add, children: [
new PickerItem(text: Icon(Icons.more)),
new PickerItem(text: Icon(Icons.aspect_ratio)),
new PickerItem(text: Icon(Icons.android)),
new PickerItem(text: Icon(Icons.menu)),
]),
new PickerItem(text: Icon(Icons.title), value: Icons.title, children: [
new PickerItem(text: Icon(Icons.more_vert)),
new PickerItem(text: Icon(Icons.ac_unit)),
new PickerItem(text: Icon(Icons.access_alarm)),
new PickerItem(text: Icon(Icons.account_balance)),
]),
new PickerItem(text: Icon(Icons.face), value: Icons.face, children: [
new PickerItem(text: Icon(Icons.add_circle_outline)),
new PickerItem(text: Icon(Icons.add_a_photo)),
new PickerItem(text: Icon(Icons.access_time)),
new PickerItem(text: Icon(Icons.adjust)),
]),
new PickerItem(text: Icon(Icons.linear_scale), value: Icons.linear_scale, children: [
new PickerItem(text: Icon(Icons.assistant_photo)),
new PickerItem(text: Icon(Icons.account_balance)),
new PickerItem(text: Icon(Icons.airline_seat_legroom_extra)),
new PickerItem(text: Icon(Icons.airport_shuttle)),
new PickerItem(text: Icon(Icons.settings_bluetooth)),
]),
new PickerItem(text: Icon(Icons.close), value: Icons.close),
]),
title: new Text("Select Icon"),
onConfirm: (Picker picker, List value) {
print(value.toString());
print(picker.getSelectedValues());
}
).show(_scaffoldKey.currentState);
}
showPickerDialog(BuildContext context) {
new Picker(
adapter: PickerDataAdapter<String>(pickerdata: new JsonDecoder().convert(PickerData)),
hideHeader: true,
title: new Text("Select Data"),
onConfirm: (Picker picker, List value) {
print(value.toString());
print(picker.getSelectedValues());
}
).showDialog(context);
}
showPickerArray(BuildContext context) {
new Picker(
adapter: PickerDataAdapter<String>(pickerdata: new JsonDecoder().convert(PickerData2), isArray: true),
hideHeader: true,
title: new Text("Please Select"),
onConfirm: (Picker picker, List value) {
print(value.toString());
print(picker.getSelectedValues());
}
).showDialog(context);
}
showPickerNumber(BuildContext context) {
new Picker(
adapter: NumberPickerAdapter(data: [
NumberPickerColumn(begin: 0, end: 999),
NumberPickerColumn(begin: 100, end: 200),
]),
delimiter: [
PickerDelimiter(child: Container(
width: 30.0,
alignment: Alignment.center,
child: Icon(Icons.more_vert),
))
],
hideHeader: true,
title: new Text("Please Select"),
onConfirm: (Picker picker, List value) {
print(value.toString());
print(picker.getSelectedValues());
}
).showDialog(context);
}
const PickerData2 = '''
[
[
1,
2,
3,
4
],
[
11,
22,
33,
44
],
[
"aaa",
"bbb",
"ccc"
]
]
''';
const PickerData = '''
[
{
"a": [
{
"a1": [
1,
2,
3,
4
]
},
{
"a2": [
5,
6,
7,
8
]
},
{
"a3": [
9,
10,
11,
12
]
}
]
},
{
"b": [
{
"b1": [
11,
22,
33,
44
]
},
{
"b2": [
55,
66,
77,
88
]
},
{
"b3": [
99,
1010,
1111,
1212
]
}
]
},
{
"c": [
{
"c1": [
"a",
"b",
"c"
]
},
{
"c2": [
"aa",
"bb",
"cc"
]
},
{
"c3": [
"aaa",
"bbb",
"ccc"
]
}
]
}
]
''';
Flutter Picker插件已经更新以支持最新版本的Flutter。主要更新内容如下：
兼容性升级：
API更新：
ScaffoldState.showBottomSheet方法为Scaffold.maybeOfButtonStyle和颜色相关的API，使用colorScheme.primary替代过时的colorScheme.secondary使用说明：
The Flutter Picker plugin has been updated to support the latest versions of Flutter. Major updates include:
Compatibility Upgrade:
API Updates:
ScaffoldState.showBottomSheet method with Scaffold.maybeOfButtonStyle and color-related APIs, using colorScheme.primary instead of the deprecated colorScheme.secondaryUsage Notes: