You can use the IsNullOrWhiteSpace method to test whether a string is null , its value is String. Empty, or it consists only of white-space characters.
Read moreWhat does Late mean flutter?
Lets get lazy… late has another great application for your Flutter code: you can remove many of your initState / constructor calls! This is because late runs “lazily” , which means it is not run at all until it is referenced the first time.
Read moreHow do you solve late initialization in flutter?
How to Solve Error? Remember: You have to assign something to the late variable before using it . Here, we have created a nullable variable, which is assigned to the Text() widget, When you use Text(name!) null check operator instead shown like above, you may get “Null check operator used on a null value” Error.
Read moreWhat is a late variable Dart?
late modifier can be used while declaring a non-nullable variable that’s initialized after its declaration . Declaration of variables that will be initialize later is done using late modifier.3 Nis 2021
Read moreWhat is late in flutter Dart?
late to field means that the field will be initialized when you use it for the first time .
Read moreHow do you know if a Dart late variable is initialized?
Dart offers no way to tell if a late variable has been initialized or assigned to. If you access it, it either immediately runs the initializer (if it has one) or throws an exception.
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