Platform.runLater( )
package Pack01;
import javafx.scene.control.Button;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class Hello extends Application {
@Override
public void start(Stage arg0) throws Exception {
VBox vbox = new VBox();
vbox.setPrefSize(300, 300);
Button btn1 = new Button("Button");
btn1.setOnAction(new EventHandler<>() {
@Override
public void handle(ActionEvent arg0) {
new Thread() {
@Override
public void run() {
Platform.runLater(() -> {
btn1.setText("앵무새");
});
}
}.start();
}
});
vbox.getChildren().addAll(btn1);
Scene scene = new Scene(vbox);
arg0.setScene(scene);
arg0.setTitle("server");
arg0.show();
}
public static void main(String[] args) {
launch();
}
}
// Thread로 UI 만질 때 error발생 하면 Platform.runLater 함수 쓰기