avoid_print
Don't invoke 'print' in production code.
Description
#The analyzer produces this diagnostic when the function print
is invoked in production code.
Example
#The following code produces this diagnostic because the function print
can't be invoked in production:
dart
void f(int x) {
print('x = $x');
}
Common fixes
#If you're writing code that uses Flutter, then use the function debugPrint
, guarded by a test using kDebugMode
:
dart
import 'package:flutter/foundation.dart';
void f(int x) {
if (kDebugMode) {
debugPrint('x = $x');
}
}
If you're writing code that doesn't use Flutter, then use a logging service, such as package:logging
, to write the information.
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Provide details Unless stated otherwise, the documentation on this site reflects Dart 3.8.1. Page last updated on 2025-05-08. View source or report an issue.