如何获取文本字段的抖动日期选择器值?当我单击文本字段时,它会在选择日期后弹出日期选择器。我想成为文本字段中的那个日期
还。
我想自定义日期选择器的颜色
onTap: () {
FocusScope.of(context).requestFocus(new FocusNode());
showDatePicker(
context: context,
initialDate: DateTime.now(),
firstDate: DateTime(2019, 1),
lastDate: DateTime(2021,12),
);
},
Run Code Online (Sandbox Code Playgroud) 这是我的 API 响应,我希望将所有建筑物名称添加到字符串列表中
{
"entity_id": "86",
"building_name": "Burj Khalifa",
"location": "Al Ttay",
"image_field": "1595916594oad.jpeg"
},
{
"entity_id": "87",
"building_name": "Azmair",
"location": " Eyal Nasser ",
"image_field": "1596541099s.jpeg"
},
]
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我尝试过这个但不起作用
List<String> _buildlist = (jsonDecode(response['building_name']) as List<dynamic>).cast<String>();
print(_buildlist);
Run Code Online (Sandbox Code Playgroud) 在这个 flutter 代码中,我在 AppBar 中实现了一个带有搜索过滤器的 Gridview。目前只显示建筑物名称但我也想显示建筑物地名?有什么方法可以过滤建筑物名称和地名吗?
单击网格项时如何获取项 ID?
import 'package:flutter/material.dart';
import 'package:realpro/SizeConfig.dart';
import 'package:realpro/root/dashscreen.dart';
class SearchList extends StatefulWidget {
SearchList({ Key key }) : super(key: key);
@override
_SearchListState createState() => new _SearchListState();
}
class _SearchListState extends State<SearchList>
{
Widget appBarTitle = new Text("My Properties", style: new TextStyle(color:
Colors.white),);
Icon actionIcon = new Icon(Icons.search, color: Colors.orange,);
final key = new GlobalKey<ScaffoldState>();
final TextEditingController _searchQuery = new TextEditingController();
List<String> _list;
bool _IsSearching;
String _searchText = "";
_SearchListState() {
_searchQuery.addListener(() …Run Code Online (Sandbox Code Playgroud)这是我尝试升级 flutter 时收到的错误日志
[flutter] flutter upgrade
ProcessException: Process exited abnormally:
remote: Repository not found.
fatal: repository 'https://github.com/marzookavc/flutter.git/' not found
Command: git fetch --tags
exit code 1
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flutter.git 不是我的项目名称 如何更改 url
承诺和推动工作完美!并且也无法更改频道