To call a void function from another file in Flutter, what you have to do are:
Read moreWhat is main method in Dart?
The main() function is a predefined method in Dart . This method acts as the entry point to the application. A Dart script needs the main() method for execution. print() is a predefined function that prints the specified string or value to the standard output i.e. the terminal.
Read moreWhat are functions in Dart?
Functions are the building blocks of readable, maintainable, and reusable code . A function is a set of statements to perform a specific task. Functions organize the program into logical blocks of code. Once defined, functions may be called to access code. This makes the code reusable.
Read moreWhat does void main mean in Flutter?
In order to write any Dart program, be it a script or a Flutter app, you must define a function called main . void main() { print(‘Hello, Dart’); } This function tells Dart where the program starts , and it must be in the file that is considered the “entry point” for you program.
Read moreWhat is void function in Dart?
In a large variety of languages void as return type is used to indicate that a function doesn’t return anything . Dart allows returning null in functions with void return type but it also allow using return; without specifying any value. To have a consistent way you should not return null and only use an empty return.
Read moreWhat’s the role of runApp ()?
The runApp() function should return widget that would be attached to the screen as a root of the widget Tree that will be rendered .20 Tem 2020
Read moreWhat is stateful widget in Flutter?
Stateful Widgets are dynamic widgets . They can be updated during runtime based on user action or data change. Stateful Widgets have an internal state and can re-render if the input data changes or if Widget’s state changes. For Example: Checkbox, Radio Button, Slider are Stateful Widgets.
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