java 内部图形尚未初始化：javafx
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Internal graphics not initialized yet: javafx
提问by AliLotfi
I'm trying to write a javaFxapplication whit multiple images inside a window.
The short story is that I have an enumclass named Candyand each candy has some properties and a path to the image file representing it.
In the constructor of my javafx.applicationclass (Table) I want to fill an array list with those images, so I wrote this so far:
我正在尝试javaFx在一个窗口中编写一个包含多个图像的应用程序。
简短的故事是，我有一个enum名为的类Candy，每个糖果都有一些属性和表示它的图像文件的路径。
在我的javafx.application类 ( Table)的构造函数中，我想用这些图像填充一个数组列表，所以到目前为止我写了这个：
public class Table extends Application {
ArrayList<Image> images;
@Override
public void start(Stage primaryStage) throws Exception {
primaryStage.setTitle("CandyFx");
primaryStage.show();
}
public Table() {
images = new ArrayList<Image>();
for (Candy candy : Candy.values()) {
File file = new File (candy.getImagePath());
Image image = new Image(file.toURI().toString());
images.add(image);
}
}
}
Now every time I want to create an instance of Tableclass, the application throws a java.lang.RuntimeException: Internal graphics not initialized yet.
How can I initial graphics which it seems I did not?
现在每次我想创建一个Table类的实例时，应用程序都会抛出一个java.lang.RuntimeException: Internal graphics not initialized yet.
我怎样才能初始化似乎我没有的图形？
采纳答案by Saeed Masoumi
First of all if you are using linux ,GTK 2.18 is required to run JavaFX .try to install
首先，如果您使用的是 linux，则需要 GTK 2.18 才能运行 JavaFX。尝试安装
libswt-gtk-3-java
This exception will thrown whenever your screen is null .Try to create your images inside startmethod. Just before the primaryStage.show();.
只要您的屏幕为空，就会抛出此异常start。尝试在方法中创建您的图像。就在primaryStage.show();.
Take a look at this link too
也看看这个链接
回答by Lingkar
I have no idea how it exactly works, but when we first create a JFXPanel in our start we don't get the errors anymore.
我不知道它究竟是如何工作的，但是当我们在开始时第一次创建 JFXPanel 时，我们不会再收到错误消息。
JFXPanel jfxPanel = new JFXPanel();
