how to use multi pimage picker using Obx Getx in flutter and show in UI

what is the right way to use a multi-image picker using Getx OBX state management? iam using Obx and the fileimage not showing the selected image.

unable to pass instance to the initializer

Error : The instance member 'widget' can't be accessed in an initializer. Im creating a bar chart with getx controller, i want to retrieve values from firebase...

Flutter How I could setState when variable change?

How I could <code>setState</code> when variable change? I can't find a way to do this, and I'm a beginner in Flutter. My code: <pre><code>// i need t...

Pass onSaved(value) from a custom TextFormField widget to another?

In order to create a reusable widget that returns a TextFormField, is there a way to pass the onSaved(value) to another widget that needs to be updated when onSaved is...

How to pass a state up the widget tree?

This is the structure of my code: <pre class="lang-dart prettyprint-override"><code>class SomePage extends StatelessWidget { @override Widget build(BuildContex...

Flutter (android studio &amp; vscode) automatically stuck after few days in windows

When I install flutter, android studio &amp; vscode it works well for 2~3 days. But after 2~3 days I face problems while I want to use it. <h3>Problems something l...

How can I build PlutoGrid rows dynamically from a Flutter ListView?

The <code>PlutoGrid</code> docs show row definitions like below. How can I create the rows dynamically from a List of a flutter class? I can't find any builder method...

flutter CupertinoTabscaffold how to add customized button at bottombar?

It looks like in Cupertino style we must using CupertinoTabScaffold for tabbed navigation. Now I want add a customized button in the middle of bar, any way to do it?</...

App is not compliant with how REQUEST_INSTALL_PACKAGES permission is allowed to be used

We received mail saying that our app is not compliant with how REQUEST_INSTALL_PACKAGES permission is allowed to be used.The previous version of app was accepted fine,...

not able to run or build flutter for web showing many errors

i purchased a code from codecanyon. after reskin it, working good. after some days i'm not able to build apk and web. i already followed all of documentation of them....

Dispose the controller when navigating to same page

I've got a search-field in the appbar of my application. It's available on every page of the app. When something is selected in the seach-field, it routes to a named p...

Getting this annoying message Avoid using private types in public APIs

I seen it work in older flutter versions on Youtube. But with new flutter updates keep getting that annoying message. What do I have to do to fix it? <pre><code>...

Flutter web NoSQL options with local saving and cross-user access

I'm looking for a flutter web compatible solution for NoSQL data storage/retrieval such that multiple users can save/fetch data - <em>with the catch it needs to be hos...

Control the offset for innerBoxIsScrolled change on NestedScrollView

In a flutter app I need to create an effect like the NestedScrollView, when the screen is displayed I will show an image and when the user scroll it will turn in a app...

Flutter BloC with multiple datasource streams

In a Flutter project following the <strong>Clean Architecture</strong>, I wonder how can I use the <strong>BLoC pattern</strong> to handle a <code>UseCase</code> that...