TextBox MIDlet : TextBox TextField « J2ME « Java

TextBox MIDlet

J2ME in a Nutshell
By Kim Topley
ISBN: 0-596-00253-X

import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.TextBox;
import javax.microedition.lcdui.TextField;
import javax.microedition.lcdui.Ticker;
import javax.microedition.midlet.MIDlet;

public class TextBoxMIDlet extends MIDlet {

    // Maximum size of the text in the TextBox
    private static final int MAX_TEXT_SIZE = 64;
    // The TextBox
    protected TextBox textBox;
    // The MIDlet's Display object
    protected Display display;
    // Flag indicating first call of startApp
    protected boolean started;
    protected void startApp() {
        if (!started) {
            // First time through - initialize            
            // Get the text to be displayed
            String str = null;
            try {
                InputStream is = getClass().getResourceAsStream("test.txt");
                InputStreamReader r = new InputStreamReader(is);
                char[] buffer = new char[32];
                StringBuffer sb = new StringBuffer();
                int count;
                while ((count = r.read(buffer, 0, buffer.length)) > -1) {
                    sb.append(buffer, 0, count);
                str = sb.toString();
            } catch (IOException ex) {
                str = "Failed to load text";
            // Create the TextBox
            textBox = new TextBox("TextBox Example", str, 
                                MAX_TEXT_SIZE, TextField.ANY);
            // Create a ticker and install it
            Ticker ticker = new Ticker("This is a ticker...");
            // Install the TextBox as the current screen
            display = Display.getDisplay(this);            

            started = true;

    protected void pauseApp() {

    protected void destroyApp(boolean unconditional) {


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