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[英]Flutter & AlertDialog : How do I align my AlertDialog to the bottom of the screen?
[英]How do I change a textfield in an AlertDialog box to a list of clickable items which would be displayed in flutter
在我的日历表中,来自文本字段的输入当前显示如下。 但是,我想在输入后输入时将其更改为选项
这是我当前的代码:
showDialog(
context: context,
builder: (context) => AlertDialog(
title: const Text('What is your mood today?'),
content: TextField(
controller: _eventController,
),
actions: <Widget>[
TextButton(
child: Text("Save"),
onPressed: () {
if(_eventController!.text.isEmpty) return;
setState(() {
if(_events![_controller?.selectedDay] != null) {
_events![_controller?.selectedDay]!.add
(_eventController?.text);
}else{
_events![_controller!.selectedDay] =
[_eventController?.text];
}
prefs?.setString("events", json.encode(encodeMap(_events!)));
_eventController?.clear();
Navigator.pop(context);
});
},
)
],
));
}
您可以使用包multi_select_flutter而不是返回一个AlertDialog
返回一个MultiSelectDialog
:
showDialog(
context: context,
builder: (context) => MultiSelectDialog(
items: _items,
onConfirm: (values) {...},
);
);
该软件包有详细的文档记录,因此您可以相当快地学会使用它。
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