Mega Code Archive
TextBox MIDlet
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/*
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...");
textBox.setTicker(ticker);
// Install the TextBox as the current screen
display = Display.getDisplay(this);
display.setCurrent(textBox);
started = true;
}
}
protected void pauseApp() {
}
protected void destroyApp(boolean unconditional) {
}
}
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