welcomecanvas.java

手机通讯录说明： 手机通讯录程序实现了简单的手机通讯录功能

/**源代码由程序员联合开发网(www.pudn.com)会员"周润发"收集、整理、重新编辑
 *Email: [e-mail]
 *QQ号：1103798882
 *欢迎大家与我联系互相交流学习 
 **/
package rms_cn;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;

public class Welcomecanvas extends Canvas implements CommandListener{
	private Command cmdPhone = new Command("电话本",Command.SCREEN,1);
	private Command cmdExit = new Command("退出",Command.EXIT,1);
	private PhoneMIDlet pm;
	public Welcomecanvas(PhoneMIDlet pm){
		this.pm = pm;
		this.addCommand(cmdPhone);
		this.addCommand(cmdExit);
		this.setCommandListener(this);		
	}	
	public void commandAction(Command c,Displayable d){
		if(c==cmdPhone){
			pm.changeInterface("PhoneList");			
		}
		else if(c==cmdExit){
			pm.notifyDestroyed();
		}
	}	
	public void paint(Graphics g){
		String str = "欢迎光临";
		g.setColor(0, 0, 0);
		g.fillRect(0, 0, this.getWidth(), this.getHeight());
		g.setFont(Font.getFont(Font.FACE_SYSTEM,Font.STYLE_BOLD,Font.SIZE_LARGE));
		g.setColor(255, 0, 0);
		g.drawString(str, this.getWidth()/2, this.getHeight()/4, Graphics.TOP|Graphics.HCENTER);
	}
}