/*
 * CallDemo.java
 *
 * Created on 2005年3月7日, 上午10:44
 */

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

/**
 *
 * @author  Liu Bin
 * @version
 */
public class CallDemo extends MIDlet
        implements CommandListener {
    //Display管理
    Display display = null;
    
    //TextBox對(duì)象，用于輸入電話號(hào)碼
    TextBox tb;
    
    /** 退出命令按鈕. */
    private Command cmdExit;
    /** 撥打電話命令按鈕. */
    private Command cmdCall;
    
    public void startApp() {
        display = Display.getDisplay(this);
        tb = new TextBox("請(qǐng)輸入輸入電話號(hào)碼",   //設(shè)置標(biāo)題
                null,                             //設(shè)置內(nèi)容
                20,                               //設(shè)置最大字符數(shù)
                TextField.PHONENUMBER);           //可以接受任何輸入
        
        cmdExit = new Command("Exit", Command.EXIT,1);
        cmdCall = new Command("撥打電話", Command.SCREEN,2);
        tb.addCommand(cmdExit);
        tb.addCommand(cmdCall);
        tb.setCommandListener(this);
        
        display.setCurrent(tb);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
        notifyDestroyed();
    }
    
    
    /**
     * 處理命令按鈕事件
     */
    public void commandAction(Command cmd, Displayable d) {
        if (cmd == cmdExit) {
            destroyApp(true);
        } else if (cmd == cmdCall) {
            try {
                platformRequest("tel:" + tb.getString());
            } catch(ConnectionNotFoundException e) {
                System.out.println("撥打電話異常：" + e.toString());
            }
        }
    }
}