Questions about dart-null-safety
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Flutter change slider thumb to image
I want to create something like this.
I have managed to create it but anytime I start the app, I get LateInitializationError which says LateInitializationError: Field 'customImage' has not been initi...
Collins Tenge
Votes: 0
Answers: 2
Why is the redirect wrong page from main page?
This is my main.dart page code
import 'package:cwc/OnBoard/landing_page.dart';
import 'package:cwc/OnBoard/login_page.dart';
import 'package:cwc/ui/Home/home_page.dart';
import 'package:cwc/ui/signup...
Deepak
Votes: 0
Answers: 1
Flutter : Unhandled Exception: Null check operator used on a null value
I am trying to navigate to a new screen by pressing the "Process Order" Button but I keep getting the error [VERBOSE-2:ui_dart_state.cc(209)] Unhandled Exception: Null check operator used on...
supremo
Votes: 0
Answers: 1
How to return a non-nullable type from a Function in a function callback?
Future<int> getInt() async { // Error:
final c = Completer<int>();
await foo.bar(
callback1: (i) => c.complete(i),
callback2: (j) => c.complete(j),
error: (e) => ...
iDecode
Votes: 0
Answers: 2