java - JavaFX线程与Java线程的同步

Question

有没有办法同步JavaFX Platform线程和标准Java线程？当前，当触发时，JavaFX线程在标准Java线程完成将所有图像添加到可观察列表之前触发，因此imageList被更新为空白集合。

private final TilePane imageList;
final File[] files = new File(dir).listFiles();
final List<ImageView> views = FXCollections.observableArrayList();

new Thread() {
        @Override
        public void run() {
            for (final File file : files) {
                if (Utils.fileIsImage(file) && !file.isDirectory()) {
                    ImageView view = new ImageView(new Image("file:" + file, 72, 72, false, true));
                    views.add(view);
                }
            }
        }
    }.start();
    Platform.runLater(new Runnable() {
        @Override
        public void run() {
            imageList.getChildren().addAll(views);
        }
    });

我对JavaFX和并发性还比较陌生，并且没有线程锁定方面的经验，因此任何帮助都将非常有用。谢谢!

Answer 1

new Thread() {
    @Override
    public void run() {
        for (final File file : files) {
            if (Utils.fileIsImage(file) && !file.isDirectory()) {
                ImageView view = new ImageView(new Image("file:" + file, 72, 72, false, true));
                views.add(view);
            }
        }

        Platform.runLater(new Runnable() {
            @Override
            public void run() {
                imageList.getChildren().addAll(views);
            }
        });
    }
}.start();

考虑在加载 View 时一一添加 View :

if (Utils.fileIsImage(file) && !file.isDirectory()) {
    ImageView view = new ImageView(new Image("file:" + file, 72, 72, false, true));
    views.add(view);

    Platform.runLater(new Runnable() {
        @Override
        public void run() {
            imageList.getChildren().add(view);
        }
    });
}