textfielddemo.java

J2ME常用控件使用的例子 Eclipse写的 练手用的

package textfield;

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

public class TextFieldDemo extends MIDlet implements CommandListener{

	private Command exitCommand = new Command("退出",Command.EXIT,1);
	private Form form;
	
	public TextFieldDemo() {
		// TODO 自动生成构造函数存根
		form = new Form("TextField演示");
	}

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

	}

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

	}

	protected void startApp() throws MIDletStateChangeException {
		// TODO 自动生成方法存根
		form.append(new TextField("文本\n","",15,TextField.ANY));
		form.append(new TextField("邮箱\n","",30,TextField.EMAILADDR));
		form.append(new TextField("数字\n","",15,TextField.NUMERIC));
		form.append(new TextField("小数\n","",15,TextField.DECIMAL));
		form.append(new TextField("电话\n","",15,TextField.PHONENUMBER));
		form.append(new TextField("链接\n","",40,TextField.HYPERLINK));
		form.append(new TextField("密码\n","",15,TextField.PASSWORD));
		form.append(new TextField("数字密码\n","",15,TextField.NUMERIC|TextField.PASSWORD));
		form.append(new TextField("不可编辑文本\n","不可编辑的内容",20,TextField.ANY|TextField.UNEDITABLE));
		form.addCommand(exitCommand);
		form.setCommandListener(this);
		Display.getDisplay(this).setCurrent(form);
	}
	
	public void commandAction(Command c, Displayable a){
		if(c == this.exitCommand){
			this.destroyApp(false);
			notifyDestroyed();
		}
	}
}