i think i need help here. My code says error "Null Check Operator Used on A null Value". When i running/build the app for first time everything is oke. The apk running goodly. But when me click home button or…
I have just updated to Flutter 3.10 and Dart 3.0 and followed the Dart 3.0 migration steps shown here and running "dart analyze" shows no errors. However when I ask VSCode to run my tests all I get is: Could…
I want to protect an app against any kind of recordings possible, may it be screenshots or screen-recordings. I know I can use the library flutter_windowmanager to set a flag preventing screenshots and making the screen-recordings show a black screen,…
Here is the error! I have never used these below error packages in my pubspec.yaml ../../.pub-cache/hosted/pub.dev/chewie_audio- 1.3.0/lib/src/material_controls.dart:242:50: Error: The getter 'accentColor' isn't defined for the class 'ThemeData'. ../../.pub-cache/hosted/pub.dev/flutter_math_fork- 0.5.0/lib/src/widgets/selection/gesture_detector_builder.dart:198:29: Error: The argument type 'void Function(DragEndDetails)' can't be assigned to the…
In my app i validate form for age phone email and many more field and i am trying to validate all this field. but unable to do so I have regex expression for phone textformfield. I cant use inputFormatters for…
I am still learning Flutter and have been having a blast, this has been the fastest I've developed a mobile app ever. I am having a bit of trouble with null safety: Null check operator used on a null value…
With Dart SDK 2.x.x. it was okay to use any class as mixin. But with Dart 3 this is no longer allowed as stated in the documentation: https://dart.dev/resources/dart-3-migration#mixin Now I struggle with the migration. For example, I used the Comparable…
I have recently migrated from Dart 2 to Dart 3 and have noticed that Class Modifiers have been added, including interface class. They work perfectly fine when setting properties, but when it comes to methods, it throws an error stating…
I'm making a Flutter app with Firebase and I'm still stuck on the authentication because wether I Sign in or Sign Up, it redirects me to HomePage(). In my auth_page.dart class, I have a bool showLogin which toggles between LoginPage…
I need the flutter_gifimage package for my project. But I am getting this warning. If the package is critical for my project and there is no alternative available, should I consider disabling null safety for my entire project. Is it…