flutter null safety
dart pub outdated --mode=null-safetyflutter null safety
dart pub outdated --mode=null-safetyto work without null safety flutter
To Work Without Null Safety
Fix:
https://stackoverflow.com/questions/65302065/turn-off-null-safety-for-previous-flutter-projectdart null aware operator ??
print(1 ?? 3); // <-- Prints 1.
print(null ?? 12); // <-- Prints 12.
int a; // The initial value of a is null.
a ??= 3;
print(a); // <-- Prints 3.
a ??= 5;
print(a); // <-- Still prints 3.Copyright © 2021 Codeinu
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