Get value from TextField : TextBox « J2ME « Java Tutorial

1. Java Tutorial
2. J2ME
3. TextBox

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;
import javax.microedition.midlet.MIDlet;

public class J2METextFieldCapture extends MIDlet implements CommandListener {
  private Display display;

  private Form form = new Form("Sign In Please");

  private Command submit = new Command("Submit", Command.SCREEN, 1);

  private Command exit = new Command("Exit", Command.EXIT, 1);

  private TextField textfield = new TextField("First Name:", "", 30, TextField.ANY);

  public J2METextFieldCapture() {
    display = Display.getDisplay(this);
    form.addCommand(exit);
    form.addCommand(submit);
    form.append(textfield);
    form.setCommandListener(this);
  }

  public void startApp() {
    display.setCurrent(form);
  }

  public void pauseApp() {
  }

  public void destroyApp(boolean unconditional) {
  }

  public void commandAction(Command command, Displayable displayable) {
    if (command == submit) {
      textfield.setString("Hello, " + textfield.getString());
      form.removeCommand(submit);
    } else if (command == exit) {
      destroyApp(false);
      notifyDestroyed();
    }
  }
}

31.5.TextBox
	31.5.1.	Add TextBox to a form
	31.5.2.	TextBox which accepts any input
	31.5.3.	Phonenumber TextField
	31.5.4.	Numeric TextField
	31.5.5.	TextField.PASSWORD | TextField.NUMERIC)
	31.5.6.	TextField.PASSWORD
	31.5.7.	Check the input value of a password field
	31.5.8.	TextBox with size
	31.5.9.	Text Anchor
	31.5.10.	Display text in TextBox
	31.5.11.	Get value from TextField
	31.5.12.	Remove command from TextBox