在JavaFX中更改场景而不调整窗口大小(Change Scene without resize window in JavaFX)

在JavaFX中更改场景而不调整窗口大小(Change Scene without resize window in JavaFX)

我正在尝试更改JavaFX上的场景，但不更改窗口大小。 但是，当我设置stage.setScene(scene2); 窗口大小减少，我想保持两个场景最大化。 我试过在stage.setScene(scene2);之后stage.setScene(scene2); 但结果是一样的。

我该如何解决它？

我的代码：

package controller; import java.io.IOException; import javafx.animation.FadeTransition; import javafx.application.Application; import javafx.fxml.FXMLLoader; import javafx.scene.Parent; import javafx.scene.Scene; import javafx.stage.Stage; import javafx.util.Duration; public class App extends Application { @Override public void start(Stage stage) throws Exception { Parent root = FXMLLoader.load(getClass().getResource("../view/fxml/Loading.fxml")); Scene scene = new Scene(root); stage.setScene(scene); stage.setTitle("Project"); stage.setMaximized(true); stage.show(); FadeTransition fadeIn = new FadeTransition(Duration.seconds(1), root); fadeIn.setFromValue(0); fadeIn.setToValue(1); FadeTransition fadeOut = new FadeTransition(Duration.seconds(1), root); fadeOut.setFromValue(1); fadeOut.setToValue(0); fadeIn.play(); fadeIn.setOnFinished((e) -> { fadeOut.play(); }); fadeOut.setOnFinished((e) -> { try { Parent root2 = FXMLLoader.load(getClass().getResource("../view/fxml/Welcome.fxml")); Scene scene2 = new Scene(root2); stage.setScene(scene2); } catch (IOException e1) { e1.printStackTrace(); } }); } public static void main(String[] args) { launch(args); } }

当我编译时：

然后发生fadeout / fadeIn和（这是我想保持最大化）：

I'm trying to change Scenes on JavaFX, but without change the window size. However, when I set stage.setScene(scene2); the window size decreases, and I want to keep the both Scenes maximized. I've tried to stage.setMaximized(true) after the stage.setScene(scene2); but the result is the same.

How can I fix it?

My code:

package controller; import java.io.IOException; import javafx.animation.FadeTransition; import javafx.application.Application; import javafx.fxml.FXMLLoader; import javafx.scene.Parent; import javafx.scene.Scene; import javafx.stage.Stage; import javafx.util.Duration; public class App extends Application { @Override public void start(Stage stage) throws Exception { Parent root = FXMLLoader.load(getClass().getResource("../view/fxml/Loading.fxml")); Scene scene = new Scene(root); stage.setScene(scene); stage.setTitle("Project"); stage.setMaximized(true); stage.show(); FadeTransition fadeIn = new FadeTransition(Duration.seconds(1), root); fadeIn.setFromValue(0); fadeIn.setToValue(1); FadeTransition fadeOut = new FadeTransition(Duration.seconds(1), root); fadeOut.setFromValue(1); fadeOut.setToValue(0); fadeIn.play(); fadeIn.setOnFinished((e) -> { fadeOut.play(); }); fadeOut.setOnFinished((e) -> { try { Parent root2 = FXMLLoader.load(getClass().getResource("../view/fxml/Welcome.fxml")); Scene scene2 = new Scene(root2); stage.setScene(scene2); } catch (IOException e1) { e1.printStackTrace(); } }); } public static void main(String[] args) { launch(args); } }

When I compile:

Then the fadeOut/fadeIn occurs and (It is here that I want to keep maximized):

最满意答案

在这里更换现有场景的根可能更好，而不是创建一个新场景：

fadeOut.setOnFinished((e) -> { try { Parent root2 = FXMLLoader.load(getClass().getResource("../view/fxml/Welcome.fxml")); scene.setRoot(root2); } catch (IOException e1) { e1.printStackTrace(); } });

如果您确实需要更换场景，出于某种原因，您可以将新场景的大小设置为与现有场景相同：

fadeOut.setOnFinished((e) -> { try { Parent root2 = FXMLLoader.load(getClass().getResource("../view/fxml/Welcome.fxml")); Scene scene2 = new Scene(root2, scene.getWidth(), scene.getHeight()); stage.setScene(scene2); } catch (IOException e1) { e1.printStackTrace(); } });

It's probably better here just to replace the root of the existing scene, than to create a new scene:

fadeOut.setOnFinished((e) -> { try { Parent root2 = FXMLLoader.load(getClass().getResource("../view/fxml/Welcome.fxml")); scene.setRoot(root2); } catch (IOException e1) { e1.printStackTrace(); } });

If you really do need to replace the scene, for some reason, you can set the new scene's size to the same as the existing scene:

fadeOut.setOnFinished((e) -> { try { Parent root2 = FXMLLoader.load(getClass().getResource("../view/fxml/Welcome.fxml")); Scene scene2 = new Scene(root2, scene.getWidth(), scene.getHeight()); stage.setScene(scene2); } catch (IOException e1) { e1.printStackTrace(); } });