var defaultmonth = int.parse(DateFormat('yyyyMM').format(DateTime.now())); @override void minus() { setState(() { if (defaultmonth != DateTime.now().year - 1) { defaultmonth--; } }); } @override void add() { setState(() { if (defaultmonth != DateTime.now().year + 1) { defaultmonth++; } }); } I want…
I need to display a very large collection of elements (images from files) in a ListView, using the usual ListView.builder constructor. I statically know the size of each element so, technically, I know also the total height of the list…
I fetch a list from an api, which list has some fields already defined. I want to write on some of the fields and send it back, so I use a Form and under the form I use a Consumer…
i have the following code class MediaOpned extends ConsumerStatefulWidget { const MediaOpned({ Key? key, }) : super(key: key); @override ConsumerState<MediaOpned> createState() => _MediaOpnedState(); } class _MediaOpnedState extends ConsumerState<MediaOpned> { @override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, body: ListView.builder(…
My Issue: Aligning Text with Container / Icon in Row Current Output: (I want to align this blue line with text horizontally center) Expected Output: (Red horizontal line for a guideline) My current code: Row( crossAxisAlignment: CrossAxisAlignment.center, children: [ Text(…
I want the subtitle of my ListTile to be hidden when it reaches the end of list tile. What i Get: What I want: If i give overflow:TextOverflow.ellipsis to the Text Widget i get this: Code: import 'package:flutter/material.dart'; class HomePage…
void methodA() { if (1 == 1) { checkIfExitMethodA(); doSomething(); } else { print('nothing'); } } void checkIfExitMethodA() => print('check whether to exit the parent function'); Is it possible to implement checkIfExitMethodA() method which contains few conditions to check and…
Consider this first example: Future<void> initializeServices() async { await notificationService.begin(); await geotrackingService.begin(); Navigator.of(context).pop(); // Don't use 'BuildContext's across async gaps. } Now, consider this second example: Future<void> initializeServices() async { await notificationService.begin(); await geotrackingService.begin(); exitScreen(); // exitScreenAsync(); } void exitScreen()…
How to fix this kind of errors when using then? void handleSubmitWrapper() { final future = handleSubmit(); future.then(context.loaderOverlay.hide()); // error } Future<void> handleSubmit() async { ... } This expression has a type of 'void' so its value can't be used.…
enter image description here here you can see. I am using Visual Stdio Code for Flutter development. I want to create the file like "assets/images" . Already i delete and recreate the file for several times but the problem is…