Mac OSX中的真正全屏JFrame/Swing应用程序 [英] True Full Screen JFrame/Swing Application in Mac OSX

问题描述

我正在开发应用程序，并且正在使用Swing制作GUI.我希望我的应用程序是全屏的.我可以轻松地设置窗口的大小，但是我无法使应用程序真正全屏显示(即，隐藏了苹果菜单栏和停靠栏的IE).我在网上找到的所有答案似乎都不适合我.我是Java的新手，所以能提供任何帮助.

I'm working on application and I'm making the GUI with Swing. I would like my application to be fullscreen. I can easily set the size of the window however I have not been able to make the application truly fullscreen (IE With the apple menu bar and dock hidden). All the answers I have found online don't seem to work for me. I'm new to Java so any help is appreciated.

frame = new JFrame("Test");
    frame.setTitle("Test");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JLabel emptyLabel = new JLabel("");
    Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
    frame.getContentPane().add(emptyLabel, BorderLayout.CENTER);
    frame.setSize((int)dimension.getWidth(), (int)dimension.getHeight());
    int x = (int) ((dimension.getWidth() - frame.getWidth()) / 2); // X center
    int y = (int) ((dimension.getHeight() - frame.getHeight()) / 2);  //Y center
    frame.setLocation(x, y); //Set Frame Location
    frame.setResizable(false); //Frame is not resizable
    frame.setUndecorated(true);  //No decoration for the frame
    frame.setAlwaysOnTop(true);
    frame.setVisible(true); //Make visible

推荐答案

Windows和MacOS的全屏支持对用户的期望不同...

Full screen support under Windows and MacOS have different user expectations...

您可以同时在Mac用户上使用全屏独占模式在全屏应用程序方面有不同的例外，因为MacOS在操作系统级别支持全屏应用程序

You could use Full screen exclusive mode on both, but Mac users have a different exceptions when it comes to full screen applications, as MacOS supports full screen applications at an OS level

我在具有Java 8的Mavericks上测试了以下代码(基于此示例)而且效果很好.

I tested the following code (which is based on this example) on Mavericks with Java 8 and it works fine.

public static void enableOSXFullscreen(Window window) {
    try {
        Class util = Class.forName("com.apple.eawt.FullScreenUtilities");
        Class params[] = new Class[]{Window.class, Boolean.TYPE};
        Method method = util.getMethod("setWindowCanFullScreen", params);
        method.invoke(util, window, true);
    } catch (NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException | ClassNotFoundException ex) {
        ex.printStackTrace();
    }
}

public static void requestOSXFullscreen(Window window) {
    try {
        Class appClass = Class.forName("com.apple.eawt.Application");
        Class params[] = new Class[]{};

        Method getApplication = appClass.getMethod("getApplication", params);
        Object application = getApplication.invoke(appClass);
        Method requestToggleFulLScreen = application.getClass().getMethod("requestToggleFullScreen", Window.class);

        requestToggleFulLScreen.invoke(application, window);
    } catch (ClassNotFoundException | NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
        ex.printStackTrace();
    }
}

与用户接受您的应用程序有关的最困难的障碍之一就是按照他们当前的期望进行工作.做一些他们不习惯的事情，无论您的应用多么出色，他们都不会喜欢您的(IMHO).

One of the hardest hurdles you will have with users accepting your application is working with their current expectations. Do something they aren't use to and no matter how wonderful your app is, they won't like you for it (IMHO).

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