formdemo.java

J2ME常用控件使用的例子 Eclipse写的 练手用的

package form;

import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
import javax.microedition.lcdui.*;

public class FormDemo extends MIDlet implements CommandListener {

	private Display display;
	private Form form;
	private Command cmdExit = new Command("退出",Command.SCREEN,1);
	public FormDemo() {
		// TODO 自动生成构造函数存根
		display = Display.getDisplay(this);
		Item[] items = new Item[]{
				new StringItem("用户登陆",""),
				new TextField("用户名：", "用户名……",50,0),
				new TextField("密码", "密码……", 50, TextField.PASSWORD),
		};
		form = new Form("登陆", items);
		form.append(new TextField("更多项","添加项目",50,0));
		form.addCommand(cmdExit);
		form.setCommandListener(this);
	}

	protected void destroyApp(boolean arg0){
		// TODO 自动生成方法存根

	}

	public void pauseApp() {
		// TODO 自动生成方法存根

	}

	public void startApp() throws MIDletStateChangeException {
		// TODO 自动生成方法存根
		display.setCurrent(form);
	}
	
	public void commandAction(Command c, Displayable d){
		if(c == this.cmdExit){
			destroyApp(false);
			notifyDestroyed();
		}
	}

}