Future<String>denotes that the Async API returns a future String value. The string is a type used to store a group of characters. We have to convert from one type to another manually. #How do you convert Future String to Str in flutter?
How to fix “Converting object to an encodable object failed: ” Instance of ‘Options’ exception in Dart/Flutter? import'package:flutter/cupertino.dart'; classOptions with ChangeNotifier{ String key; String point; bool checked; Options({this.key,this.point,this.checked}); MaptoJson()=>{ '...
to: _convertDateFromString(data['EndTime']), background: _colorCollection[random.nextInt(9)], allDay: data['AllDay']); appointmentData.add(meetingData); } return appointmentData; } DateTime _convertDateFromString(String date) { return DateTime.parse(date); } void _initializeE...
Well, in the context of Flutter, until now the application can only handle the background events using the platform code. Any plugins had no way to allow users to make a callback for handling the background events in Dart. That is the reason why Flutter users need to create platform-sp...
我想给这个数据的每个元素添加一个List<String>:['{$name.toLowerCase()}_${{age}'],如下所示: [ { "group": "A", "newList": [ "john_18", "jack_21" ], "person": [ { "name": "John", "age": 18 }, { "name": "Jack", ...
How to save a base64 string to a local file in Flutter?String getImageName() { // Get the current date and time. DateTime now = DateTime.now(); // Format the date and time to create a timestamp. String timestamp = '${now.year}${now.month}${now.day}_${now.hour}${now.minute...
String csvData = ListToCsvConverter().convert(data); final String directory = (await getApplicationSupportDirectory()).path; final path = "$directory/csv-${DateTime.now()}.csv"; print(path); final File file = File(path); await file.writeAsString(csvData); ...
static void Main(string[] args) { test a = new test(); a.TestGenericTable(); } } [DataServiceKey("PartitionKey", "RowKey")] public class GenericEntity { public string PartitionKey { get; set; } public string RowKey { get; set; } ...
public staticMap<String, String> xmlToMap(String strXML) throws Exception { try{ Map<String, String> data =newHashMap<String, String>(); DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder(); ...
/*** Java Program to convert java.util.Date into java.sql.Date* @author http://java67.blogspot.com*/publicclassDateConverter{publicstaticvoidmain(String args[]) {// contains both date and time informationjava.util.DateutilDate =newjava.util.Date(); ...