emailmidlet.java

基于WINCE5.2的ARM嵌入式手机软件的开发

/*
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 * and open the template in the editor.
 */

package MobileEmail;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
/**
 * @author Administrator
 */
public class EMailMidlet extends MIDlet implements CommandListener{
    private Display display;
    private Alert alert;

    private String[] menuItem={"发送邮件","配置邮件服务器"};
    private List menu;

    private SendForm sendForm;

    private Command cmdExit=new Command("退出",Command.EXIT,1);
    private Command cmdSelect=new Command("选择",Command.ITEM,1);
    private Command cmdBack=new Command("返回",Command.BACK,1);
    private Command cmdSend=new Command("发送",Command.OK,2);
    private Command cmdSave=new Command("保存",Command.OK,1);

    public EMailMidlet(){
        display=Display.getDisplay(this);
        menu=new List("移动电子邮件",Choice.IMPLICIT,menuItem,null);
        menu.setSelectCommand(cmdSelect);
        menu.addCommand(cmdExit);
        menu.setCommandListener(this);
    }
    public void startApp() {
        EMailConfig config=EMailConfig.getInstance();
        if(config==null){
            ConfigForm configForm=new ConfigForm(this,null);
            display.setCurrent(configForm);
        }
        else{
            display.setCurrent(menu);
        }
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c,Displayable d){
        if(c==cmdSelect){
            switch(menu.getSelectedIndex()){
                case 0:{
                    if(sendForm==null){
                        sendForm=new SendForm(this);
                    }
                    sendForm.clear();
                    display.setCurrent(sendForm);
                    break;
                }
                case 1:{
                    EMailConfig config=EMailConfig.getInstance();
                    ConfigForm configForm=new ConfigForm(this,config);
                    display.setCurrent(configForm);
                    break;
                }
            }
        }
        else if(c==cmdExit){
            notifyDestroyed();
        }
    }

    public void showAlert(String title,String msg){
        if(alert==null){
            alert=new Alert("","",null,AlertType.INFO);
            alert.setTimeout(3000);
        }
        alert.setTitle(title);
        alert.setString(msg);
        display.setCurrent(alert,display.getCurrent());
    }

    public void BackToMenu(){
        display.setCurrent(menu);
    }
}