Update ListView by Double Clicking on Cell

Main

import java.util.Optional;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.ListCell;
import javafx.scene.control.ListView;
import javafx.scene.control.TextInputDialog;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

/**
 *
 * @author blj0011
 */
public class App extends Application {

    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("List View Sample");

        ObservableList<Person> people = FXCollections.observableArrayList();
        ListView<Person> listView = new ListView(people);
        listView.setCellFactory((p) -> new ListCell<>() {
            @Override
            public void updateItem(Person person, boolean empty) {
                super.updateItem(person, empty);
                if (empty || person == null) {
                    setText(null);
                } else {
                    setText(person.getName());
                }
            }
        });

        listView.setOnMouseClicked((MouseEvent click) -> {
            if (click.getClickCount() == 2) {
                //Use ListView's getSelected Item
                Person tempPerson = listView.getSelectionModel().getSelectedItem();
                int index = listView.getSelectionModel().getSelectedIndex();

                TextInputDialog dialog = new TextInputDialog(tempPerson.getName());
                dialog.setTitle("Text Input Dialog");
                dialog.setHeaderText("Look, a Text Input Dialog");
                dialog.setContentText("Please enter your name:");

                // Traditional way to get the response value.
                Optional<String> result = dialog.showAndWait();
                if (result.isPresent()) {
                    tempPerson.setName(result.get());
                    listView.getItems().set(index, tempPerson);
                }
            }
        });

        Person person1 = new Person("Tom");
        Person person2 = new Person("Kim");

        people.add(person1);
        people.add(person2);

        VBox root = new VBox(listView);
        primaryStage.setScene(new Scene(root, 200, 250));
        primaryStage.show();

    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
}

You have to learn JavaFX and abandon Android while you learn. Their coding styles are very different. I did the same thing when I learned JavaFX. Forget everything Android and learn how to do things as they were designed. There is a lookup method in JavaFX, but just like your last issue, you should not have to use it.

Fuck. Why you tell me, what i need or what i'm not need.
I delete my question, good luck !

Get out of your feelings and learn to listen. You literally are getting JavaFX advice from some of the best JavaFX people in the world. I am not included in that group. Yet, you have convinced yourself to go against their advice. It getting comical at this point.

You have no idea what I want to do and advise me not to do it. This is bullshit. You could delve into the topic before giving me advice without answering direct questions. I absolutely do not accept this style of communication.
I have enough experience to know how to respond to such answers.

Good luck coding. 😀

With pleasure. Without stupid answers.

OMG .. what a jerk - personally I'm certainly favoring any amateur (houseperson or not) eager to learn over a knows-it-all self proclaimed professional. At the end, the latter will also learn, most probably the hard way sitting on a jumble of brittle broken code.

As to this way around: also working for tableView, probably since fixing a bug in TableCell which prevented a cell update If the old row value was the same as the new.