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 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 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 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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