I am building a quiz app which reveals the explanation for the correct answer after the user submits their chosen answer. There are two buttons on the layout -...
Flutter app create a Widget List (wList) and show screen properly. If user presses a button it will add a divider() to the wList and update the screen by setState(). H...
I am trying to run method <code>doAnimation</code> from another widget by clicking on a <code>FloatingActionButton</code>. Please tell me how to do this with this simp...
I'm trying to run the application but the setState error is showing at MaterialApp where I have not used setState.I tried <a href="https://stackoverflow.com/questions/...
I am trying to design a widget that can show or hide a card (by updating and rebuilding the current state) based on a boolean value. For this I'm using <code>IndexedSt...
We are using a Drawer to display the settings state. I would like the user to be able to change a setting and see the result reflected in the drawer. <...
I have a question. At the moment i try to build a category list with data from firebase. To load the data i use a futurebuilder. Here my category...
I'm trying to implement a widget swap for a ToggleSwitch in flutter. So far I have worked around to change the swap of widgets and toggleSwitch separately. I need to c...
i have the following codes, <pre class="lang-dart prettyprint-override"><code>class mWidget extends StatefulWidget { mWidget({super.key, required this.text});...
The problem I am facing is that my progressString is changing when downloading the file but do not update in Model Bottom Sheet. Please let me know what wrong with my...
basically i m updating list value that used in gridview, when i click on gridview card, i m changing color of that card. when i print color value it did changing but i...
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...
I'm trying to create a listview of cards whose images get displayed in the listview only if the card is selected. The selection widget is the <strong>PopupSubscription...
<pre><code>class MyHome extends StatefulWidget { @override State<StatefulWidget> createState() => new MyHomePage2(); } class MyHomePage2 extends State<My...
I have the following code in Flutter. The variable checkValue is set to false and the variable newValue is optional, so I have to check if it is null or not. Then, I c...
