textboxdemo.java

J2ME常用控件使用的例子 Eclipse写的 练手用的

package textbox;

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

public class TextBoxDemo extends MIDlet implements CommandListener{

	private Display display = Display.getDisplay(this);  // 引用MIDlet的Display对象
	private TextBox textBox;
	private Command cmdOk = new Command("确认", Command.SCREEN,1);  // OK软键
	private Command cmdExit = new Command("退出", Command.SCREEN,2);  // Exit软键
	
	public TextBoxDemo() {
		// TODO 自动生成构造函数存根
		textBox = new TextBox("电话号码","13581764906",15,TextField.PHONENUMBER);
		textBox.addCommand(cmdExit);
		textBox.addCommand(cmdOk);
		textBox.setCommandListener(this);
	}

	public void startApp() throws MIDletStateChangeException {
		// TODO 自动生成方法存根
		display.setCurrent(textBox);
	}
	
	public void pauseApp() {
		// TODO 自动生成方法存根

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

	}
	
	public void commandAction(Command c, Displayable d){
		if(c == cmdExit){
			destroyApp(false);
			notifyDestroyed();
		}else if(c == cmdOk){
			System.out.println(textBox.getString());
		}
	}
	
}