The argument type ‘File’ can’t be assigned to the parameter type ‘List‘.dartargument_type_not_assignable
Posted by
Dharmendra Kumar, Senior Software Engineer & Co founder at MyhospitalNow
–
Error:
: Error: The argument type 'File' can't be assigned to the parameter type 'List<File>'.
new_quote.dart:505
- 'File' is from 'dart:io'.
- 'List' is from 'dart:core'.
_image,
^
3
FAILURE: Build failed with an exception.
* Where:
Script 'C:\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1160
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\flutter\bin\flutter.bat'' finished with non-zero exit value 1
* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
Solution:
To fix this issue, you need to modify the argument passed to the createQuote method to be a list containing the single image file. Here’s how you can do it:
Replace this part of the code:
with:
This modification ensures that you are passing a list of files, even if it contains only one file. This should resolve the error you are facing.
Dharmendra Kumar, Senior Software Engineer & Co founder at MyhospitalNow
Experienced software developer proficient in HTML, CSS, and Bootstrap for crafting elegant and responsive user interfaces.
Skilled in Laravel and PHP, with a focus on building robust and scalable web applications.
Proficient in JavaScript for both frontend and backend development, leveraging frameworks like React and Vue.js.
Experienced in designing and consuming RESTful APIs to enable seamless communication between client and server.
Expertise in integrating payment gateways such as PayPal, Stripe, and Paytm for secure online transactions.
Familiar with Flutter, enabling the creation of natively compiled applications for mobile, web, and desktop.
Proficient in Android Studio, the primary IDE for developing Android applications.
Knowledgeable in Linux and Docker for efficient server management and application deployment.
Experienced in using Redis as an in-memory data structure store, enhancing application performance.
Passionate about staying updated with the latest technologies and continuously learning to deliver high-quality solutions.
