displayabletest.java

微型JAVA人编写的J2ME教材! 中带的原代码!简单易懂

//DisplayableTest.java
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class DisplayableTest extends MIDlet 
	implements CommandListener
{
	public DisplayableTest()
	{}
	public void startApp()
	{
		Displayable t = new Form("");
		t.setTitle("Displayable");		//设定标题
		t.setTicker( new Ticker( "滚动文字") );
		t.addCommand(new Command("退出命令", Command.SCREEN, 2));
		t.setCommandListener(this);		//设定事件处理器
		Display display = Display.getDisplay(this);
		display.setCurrent(t);
	}
	public void pauseApp()
	{ }
	public void destroyApp(boolean unconditional)
	{ }
	public void commandAction(Command c, Displayable s)
	{
		if (c.getLabel().equals("退出命令") )
		{
			destroyApp(false);
			notifyDestroyed();
		}
	}
}