hleventmidlet.java

微型JAVA人编写的J2ME教材! 中带的原代码!简单易懂

//HLEventMIDlet.java
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class HLEventMIDlet extends MIDlet implements
	CommandListener
	{
	private Command exitCommand;
	private Command info1Command;
	private Command info2Command;
	private Command info3Command;
	private Display display;
	private TextBox t;
	public HLEventMIDlet()
	{
		display = Display.getDisplay(this);
		exitCommand = new Command("Exit", Command.SCREEN,1);
		info1Command = new Command("Info1", Command.SCREEN,2);
		info2Command = new Command("Info2", Command.SCREEN,2);
		info3Command = new Command("Info3", Command.SCREEN,2);
		t = new TextBox("Commands", "测试多个Command及事件处理",
			256, 0);
		t.setCommandListener(this);
		t.addCommand(exitCommand);
		t.addCommand(info2Command);
		t.addCommand(info1Command);
	}
	public void startApp()
	{
		display.setCurrent(t);
	}
	public void pauseApp()
	{ }
	public void destroyApp(boolean unconditional)
	{ }
	public void commandAction(Command c, Displayable s)
	{
		if (c == exitCommand)
		{
			notifyDestroyed();
		}
		else 
		{
			t.setString( c.getLabel() + "点过了" ) ;
		}
	}
}