在javafx中为图像添加计时器 [英] Add timer for images in javafx

问题描述

我想在javafx中为我的图像添加计时器，例如，首先显示我的第一张图像约3秒，然后显示我的第二张图像约5秒钟，之后没有显示任何内容。对此有什么看法？

i want to add timer for my images in javafx for example first ,for about 3 seconds my first image displayed then for about 5 second my second image displayed and after that nothing shown.any idea about that ?

推荐答案

使用 时间表 更新 imageProperty http://docs.oracle.com/javase/8/javafx/api/javafx/scene/image/ImageView.html\"rel =nofollow> ImageView ：

Use a Timeline to update the imageProperty of an ImageView:

import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javafx.util.Duration;

public class ImageDisplayTest extends Application {

    @Override
    public void start(Stage primaryStage) {
        Image image1 = new Image("...") ;
        Image image2 = new Image("...")  ;
        ImageView imageView = new ImageView();
        Timeline timeline = new Timeline(
                new KeyFrame(Duration.ZERO, new KeyValue(imageView.imageProperty(), image1)),
                new KeyFrame(Duration.seconds(3), new KeyValue(imageView.imageProperty(), image2)),
                new KeyFrame(Duration.seconds(8), new KeyValue(imageView.imageProperty(), null))
                );
        timeline.play();
        StackPane root = new StackPane();
        root.getChildren().add(imageView);
        primaryStage.setScene(new Scene(root, 800, 600));
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

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