JavaFX进度栏从单独的功能更改

Question

I have a JavaFX program that is essentially a button that fires off a function within the same class as main and start . I'm trying to create a very basic, simple progress bar that lets the user know when the function is completed.

I fire off the function like so, where foo is my button and bar is my function that I also pass a numeric value to:

foo.setOnAction(e -> bar("555"));

How do I pass a value like progress to and from the start function containing the button and progress bar and the foo function so my user can know when bar has finished running?

Answer 1

Use the class inside javafx.property and bind two properties together.

In the JavaDoc, ProgressIndictor and ProgressBar has progressProperty , which is an instance of DoubleProperty . Property class has a bind method, which you can bind it to another ObservableValue or Property .