J2ME Ticker Example
This is the simple Ticker example which is used to auto scroll the data on the top of the form. It continuously scroll the data. The javax.microedition.lcdui.Ticker has only one constructor that is:
Ticker(String str):- This is used to Constructs a new Ticker object, given its initial contents string.
And it has two methods:
getString():- This is the String type methods which Gets the string currently being scrolled by the ticker.
setString(String str):- This is the void type, it Sets the string to be displayed by this ticker.
The Application looked as below:
Source Code of TickerExample.java
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class TickerExample extends MIDlet implements CommandListener{
private Display display;
private Ticker ticker;
private Command exit;
private Form form;
public TickerExample(){
form = new Form("BSE Stock Exchange Ticker");
display = Display.getDisplay(this);
ticker = new Ticker ("10/17/2008 3:59:59 PM ACC LTD 489.05 (-6.42%)
BHARTI ARTL 676.80 (-7.47%) BHEL 1,194.80 (-9.00%)
ACC LTD 489.05 (-6.42%) BHARTI ARTL 676.80 (-7.47%)
BHEL 1,194.80 (-9.00%) DLF LTD* 291.30 (-10.34%)
GRASIM INDUSTRIES LTD. 1,293.40 (-5.71%)
HDFC BANK LT 1,024.05 (-5.82%)");
exit = new Command("Exit", Command.SCREEN, 1);
form.addCommand(exit);
form.setCommandListener(this);
form.setTicker(ticker);
}
public void startApp(){
display.setCurrent(form);
}
public void pauseApp(){ }
public void destroyApp(boolean unconditional){
notifyDestroyed();
}
public void commandAction(Command c, Displayable display){
String label = c.getLabel();
if (label.equals("Exit")){
destroyApp(false);
}
}
}