I am having this enum: enum ContentError { e410('Exception: 410'), e411('Excetion: 411'), e412('Exception: 412'), e413('Exception: 413'); const ContentError(this.name); final String name; } Now I get some String and I want to do a switch case on the names of the…
I try to find a LTS version of Flutter but I can't find a one then I look is there LTS version for Dart but it is also the same. So how I select a version I can use some…
I encountered a TypeError with data received from an API. To simulate the issue clearly, I have provided a code example below: //This is mock data to simulate the API. //The length of the array or the keys is not…
I have a dropdown that currently has 2 items in it. I am getting an error when I select one of the items in the dropdown. Here is the error: ════════ Exception caught by widgets library ═══════════════════════════════════ There should be…
when text container size decrease with font size that time the text not set in center. it is gone below size of container how to solve it. Container( height: height, width: width, alignment: Alignment.center, decoration: _isSelected ? BoxDecoration( color: Colors.transparent,…
I have a postman API call. but I don't know how to extract data from the app JSON value in the API call of postman API. Can somebody clarify me about the how to extract it in dart data model.…
class Quote { String text; String author; Quote({ this.text, this.author }); } In vscode, without required, it will shown me error and force me to add required inside the constructor before this.text class Quote { String text; String author; Quote({…
The second image is the one without curly braces, and it marks that area with a red line. The first image has curly braces inserted in it, and the line disappeared. Why was there a need to add curly braces?…
When using the latest version of google_fonts (6.2.0) package in flutter project, I'm facing this 'Type FontFeature not found' issue: /C:/Users/Dell/AppData/Local/Pub/Cache/hosted/pub.dev/google_fonts-6.2.0/lib/src/google_fonts_base.dart:69:8: Error: 'FontFeature' isn't a type. List<FontFeature>? fontFeatures, ^^^^^^^^^^^ Target kernel_snapshot failed: Exception FAILURE: Build failed with an exception. *…
I have a TextFormField that has initial value of '0', i want to clear its text when the user clicks on it so that it will be ready for the user input and no need to backspace for the '0'.…