textboxtest.java

java手机程序开发随书光盘源代码

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

public class TextBoxTest extends MIDlet implements CommandListener{

	Display display;
	TextBox textBox;
	Command exitCmd;
	Command anyMode;
	Command emailMode;
	Command numMode;
	Command phoneMode;
	Command urlMode;
	Command passwordCmd;

	public TextBoxTest(){
		display = Display.getDisplay(this);
		textBox = new TextBox("登记个人资料","",20,TextField.URL);
		exitCmd = new Command("退出", Command.EXIT, 1);
		anyMode = new Command("ANY", Command.SCREEN,1);
		emailMode = new Command("EMAILADDR", Command.SCREEN,2);
		numMode = new Command("NUMERIC", Command.SCREEN,3);
		phoneMode = new Command("PHONENUMER", Command.SCREEN,4);
		urlMode = new Command("URL", Command.SCREEN,5);
		passwordCmd = new Command("PASSWORD", Command.SCREEN,6);
		textBox.addCommand(exitCmd);
		textBox.addCommand(anyMode);
		textBox.addCommand(emailMode);
		textBox.addCommand(numMode);
		textBox.addCommand(phoneMode);
		textBox.addCommand(urlMode);
		textBox.addCommand(passwordCmd);
		textBox.setCommandListener(this);
	}

	public void startApp(){
		display.setCurrent(textBox);
	}

	public void pauseApp(){
	}

	public void destroyApp(boolean unconditional){
	}

	public void commandAction(Command c, Displayable d){

		if(c == exitCmd){

			destroyApp(false);
			notifyDestroyed();
		}
		else if(c == anyMode){
			textBox.delete(0,textBox.size());
			textBox.setConstraints(TextField.ANY);
			System.out.println("mode"+textBox.getConstraints());
		}
		else if(c == emailMode){
			textBox.delete(0,textBox.size());
			textBox.setConstraints(TextField.EMAILADDR);
			System.out.println("mode"+textBox.getConstraints());
		}
		else if(c == numMode){
			textBox.delete(0,textBox.size());
			textBox.setConstraints(TextField.NUMERIC);
			System.out.println("mode"+textBox.getConstraints());
		}
		else if(c == phoneMode){
			textBox.delete(0,textBox.size());
			textBox.setConstraints(TextField.PHONENUMBER);
			System.out.println("mode"+textBox.getConstraints());
		}
		else if(c == urlMode){
			textBox.delete(0,textBox.size());
			textBox.setConstraints(TextField.URL);
			System.out.println("mode"+textBox.getConstraints());
		}
		else if(c == passwordCmd){
			textBox.delete(0,textBox.size());
			textBox.setConstraints(TextField.PASSWORD | textBox.getConstraints());
			System.out.println("mode"+textBox.getConstraints());
		}
	}

}